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Dr. Ali H. Mesiwala, MD, FAANS

Accepting New Patients

(Dr. Ali Hakim Mesiwala, MD)

(5 Ratings)

Specializes in: Neurosurgery

University of California, San Francisco (UCSF), School of Medicine (1997)

401 E Highland Avenue Suite 252
San Bernardino, CA 92404

(909) 881-6713

Dr. Ali H. Mesiwala, MD, FAANS is a neurosurgeon in Lake Forest, CA specializing in neurosurgery. He graduated from University of California, San Francisco (UCSF), School of Medicine in 1997 and has 29 years of experience. Dr. Ali H. Mesiwala, MD, FAANS is affiliated with Dignity Health and St Bernardine Medical Center.

Office Locations

20531 Crescent Bay Drive
Lake Forest, CA 92630

(310) 497-3975

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3501 Jamboree Road Suite 1250
Newport Beach, CA 92660

(949) 988-7846

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St Bernardine Medical Center

401 E Highland Avenue Suite 252
San Bernardino, CA 92404

(909) 881-6713

(909) 881-6822

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4551 Glencoe Avenue Suite 145
Marina Del Rey, CA 90292

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9170 Haven Avenue Suite 108
Rancho Cucamonga, CA 91730

(909) 948-9754

(909) 948-8960

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In The News

“Drs. Ali Mesiwala and Grant Shifflett are joining other spine surgeons who are conducting the surgeries at about 30 clinical sites across the country.”—"Local Spine Clinic Studies Artificial Disc Expansion", Orange County Business Journal, January 2024

Noteworthy Medicare Patient Procedures Performed by Dr. Ali H. Mesiwala, MD, FAANS in 2023

Click on any procedure below to see further details on volume and pricing among Medicare patients.

Top 25%

By Volume:

decompressive lumbar laminectomy

laminectomy with foraminotomy and facetectomy

In 2012, Dr. Ali H. Mesiwala, MD, FAANS performed more decompressive lumbar laminectomy, and laminectomy with foraminotomy and facetectomy procedures for Medicare patients than 75% of providers in related specialties within California.

Medicare Procedure and Patient Information

2012 Medicare Procedure Volume

The top procedures that Dr. Ali H. Mesiwala, MD, FAANS treated as a neurosurgeon in Lake Forest, CA during 2012 were spinal procedures, nerve procedures, decompression surgery and inpatient care.

Volume of procedures performed by Dr. Ali H. Mesiwala, MD, FAANS for Medicare patients.

arthrodesis (bone fusion surgery)	31
decompression surgery	47
doctor visit	533
hospital care	42
implant surgery	19
inpatient care	42
joint surgery	13
neck surgery	18
nerve procedures	47
neurostimulator lead placement	17
neurostimulator replacement	19
open surgery	13
pelvic surgery	13
spinal procedures	128

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Ali H. Mesiwala, MD, FAANS treated as a neurosurgeon in Lake Forest, CA during 2013 were spinal procedures, hospital care, inpatient care and nerve procedures.

Volume of procedures performed by Dr. Ali H. Mesiwala, MD, FAANS for Medicare patients.

arthrodesis (bone fusion surgery)	13
decompression surgery	27
doctor visit	420
hospital care	58
implant surgery	11
inpatient care	58
neck surgery	13
nerve procedures	27
neurostimulator replacement	11
spinal procedures	61

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Ali H. Mesiwala, MD, FAANS.

**Gender**
Male	149
Female	195

**Ethnicity**
Non-Hispanic White	182
Black	34
Hispanic	100
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	122
From 75 to 84	84
85 and over	33
Less than 65	105

Conditions of Medicare patients treated by Dr. Ali H. Mesiwala, MD, FAANS in 2013

Hypertension	75
High Cholesterol	53
Stroke	14
Ischemic Heart Disease	46
Depression	29
Chronic Kidney Disease	30
Asthma	13
Osteoperosis	14
Atrial Fibrilation	10
Heart Failure	30
Chronic Obstructive Pulmonary Disease	23
Diabetes	46
Dementia	16
Cancer	11

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Ali H. Mesiwala, MD, FAANS treated as a neurosurgeon in Lake Forest, CA during 2014 were hospital care, inpatient care and spinal procedures.

Volume of procedures performed by Dr. Ali H. Mesiwala, MD, FAANS for Medicare patients.

doctor visit	294
hospital care	34
inpatient care	34
spinal procedures	16

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Ali H. Mesiwala, MD, FAANS.

**Gender**
Male	105
Female	150

**Ethnicity**
Non-Hispanic White	138
Black	29
Hispanic	64
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	107
From 75 to 84	52
85 and over	19
Less than 65	77

Conditions of Medicare patients treated by Dr. Ali H. Mesiwala, MD, FAANS in 2014

Hypertension	75
High Cholesterol	56
Stroke	15
Ischemic Heart Disease	40
Depression	32
Chronic Kidney Disease	28
Asthma	10
Osteoperosis	11
Atrial Fibrilation	7
Heart Failure	26
Chronic Obstructive Pulmonary Disease	24
Diabetes	44
Dementia	12
Cancer	9

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Ali H. Mesiwala, MD, FAANS treated as a neurosurgeon in Lake Forest, CA during 2015 were hospital care, inpatient care, nerve procedures and decompression surgery.

Volume of procedures performed by Dr. Ali H. Mesiwala, MD, FAANS for Medicare patients.

decompression surgery	15
doctor visit	266
hospital care	22
inpatient care	22
nerve procedures	15
spinal procedures	15

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Ali H. Mesiwala, MD, FAANS.

**Gender**
Male	202
Female	248

**Ethnicity**
Non-Hispanic White	228
Black	0
Hispanic	130
Asian	46
Other	0
Native American	0

**Age**
From 65 to 74	176
From 75 to 84	86
85 and over	30
Less than 65	158

Conditions of Medicare patients treated by Dr. Ali H. Mesiwala, MD, FAANS in 2015

Hypertension	65
High Cholesterol	52
Stroke	13
Ischemic Heart Disease	40
Depression	24
Chronic Kidney Disease	26
Asthma	15
Osteoperosis	10
Atrial Fibrilation	6
Heart Failure	22
Chronic Obstructive Pulmonary Disease	16
Diabetes	42
Dementia	12
Cancer	8

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Ali H. Mesiwala, MD, FAANS treated as a neurosurgeon in Lake Forest, CA during 2016 were hospital care, inpatient care, nerve procedures and decompression surgery.

Volume of procedures performed by Dr. Ali H. Mesiwala, MD, FAANS for Medicare patients.

decompression surgery	11
doctor visit	241
hospital care	24
inpatient care	24
nerve procedures	11
spinal procedures	11

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Ali H. Mesiwala, MD, FAANS.

**Gender**
Male	92
Female	127

**Ethnicity**
Non-Hispanic White	109
Black	24
Hispanic	64
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	83
From 75 to 84	0
85 and over	0
Less than 65	85

Conditions of Medicare patients treated by Dr. Ali H. Mesiwala, MD, FAANS in 2016

Hypertension	74
High Cholesterol	52
Stroke	13
Ischemic Heart Disease	37
Depression	34
Chronic Kidney Disease	34
Asthma	25
Osteoperosis	9
Atrial Fibrilation	7
Heart Failure	23
Chronic Obstructive Pulmonary Disease	19
Diabetes	41
Dementia	13
Cancer	7

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Ali H. Mesiwala, MD, FAANS treated as a neurosurgeon in Lake Forest, CA during 2017 were hospital care, inpatient care, spinal procedures and neurostimulator replacement.

Volume of procedures performed by Dr. Ali H. Mesiwala, MD, FAANS for Medicare patients.

arthrodesis (bone fusion surgery)	12
decompression surgery	13
doctor visit	267
hospital care	61
implant surgery	19
inpatient care	61
minimally invasive procedures	12
nerve procedures	13
neurostimulator lead placement	15
neurostimulator replacement	19
spinal procedures	59

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Ali H. Mesiwala, MD, FAANS.

**Gender**
Male	119
Female	149

**Ethnicity**
Non-Hispanic White	150
Black	27
Hispanic	63
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	114
From 75 to 84	57
85 and over	15
Less than 65	82

Conditions of Medicare patients treated by Dr. Ali H. Mesiwala, MD, FAANS in 2017

Hypertension	74
High Cholesterol	48
Stroke	16
Ischemic Heart Disease	40
Depression	29
Chronic Kidney Disease	35
Asthma	10
Osteoperosis	12
Atrial Fibrilation	9
Heart Failure	23
Chronic Obstructive Pulmonary Disease	21
Diabetes	40
Dementia	14
Cancer	8

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Ali H. Mesiwala, MD, FAANS treated as a neurosurgeon in Lake Forest, CA during 2018 were spinal procedures, neurostimulator replacement, implant surgery and hospital care.

Volume of procedures performed by Dr. Ali H. Mesiwala, MD, FAANS for Medicare patients.

decompression surgery	14
doctor visit	374
hospital care	32
implant surgery	32
inpatient care	32
nerve procedures	14
neurostimulator lead placement	25
neurostimulator replacement	32
spinal procedures	71

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Ali H. Mesiwala, MD, FAANS.

**Gender**
Male	130
Female	143

**Ethnicity**
Non-Hispanic White	138
Black	24
Hispanic	82
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	129
From 75 to 84	44
85 and over	12
Less than 65	88

Conditions of Medicare patients treated by Dr. Ali H. Mesiwala, MD, FAANS in 2018

Hypertension	73
High Cholesterol	53
Stroke	11
Ischemic Heart Disease	37
Depression	35
Chronic Kidney Disease	42
Asthma	11
Osteoperosis	12
Atrial Fibrilation	8
Heart Failure	21
Chronic Obstructive Pulmonary Disease	19
Diabetes	42
Dementia	15
Cancer	8

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Ali H. Mesiwala, MD, FAANS treated as a neurosurgeon in Lake Forest, CA during 2019 were spinal procedures, hospital care, inpatient care and nerve procedures.

Volume of procedures performed by Dr. Ali H. Mesiwala, MD, FAANS for Medicare patients.

arthrodesis (bone fusion surgery)	11
decompression surgery	26
doctor visit	493
hospital care	31
implant surgery	16
inpatient care	31
neck surgery	11
nerve procedures	26
neurostimulator replacement	16
spinal procedures	42

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Ali H. Mesiwala, MD, FAANS.

**Gender**
Male	123
Female	154

**Ethnicity**
Non-Hispanic White	140
Black	31
Hispanic	76
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	118
From 75 to 84	57
85 and over	13
Less than 65	89

Conditions of Medicare patients treated by Dr. Ali H. Mesiwala, MD, FAANS in 2019

Hypertension	75
High Cholesterol	55
Stroke	11
Ischemic Heart Disease	32
Depression	32
Chronic Kidney Disease	45
Asthma	12
Osteoperosis	16
Atrial Fibrilation	8
Heart Failure	24
Chronic Obstructive Pulmonary Disease	18
Diabetes	43
Dementia	15
Cancer	8

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Ali H. Mesiwala, MD, FAANS treated as a neurosurgeon in Lake Forest, CA during 2020 were spinal procedures, hospital care, inpatient care and reconstructive surgery.

Volume of procedures performed by Dr. Ali H. Mesiwala, MD, FAANS for Medicare patients.

decompression surgery	11
doctor visit	426
hospital care	33
implant surgery	11
inpatient care	33
joint surgery	16
neck surgery	16
nerve procedures	11
neurostimulator replacement	11
reconstructive surgery	16
spinal procedures	38

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Ali H. Mesiwala, MD, FAANS.

**Gender**
Male	124
Female	142

**Ethnicity**
Non-Hispanic White	125
Black	30
Hispanic	76
Asian	21
Other	14
Native American	0

**Age**
From 65 to 74	120
From 75 to 84	60
85 and over	20
Less than 65	66

Conditions of Medicare patients treated by Dr. Ali H. Mesiwala, MD, FAANS in 2020

Hypertension	75
High Cholesterol	62
Stroke	13
Ischemic Heart Disease	32
Depression	29
Chronic Kidney Disease	46
Asthma	10
Osteoperosis	9
Atrial Fibrilation	7
Heart Failure	24
Chronic Obstructive Pulmonary Disease	17
Diabetes	44
Dementia	15
Cancer	9

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Ali H. Mesiwala, MD, FAANS treated as a neurosurgeon in Lake Forest, CA during 2021 were spinal procedures, nerve procedures, decompression surgery and hospital care.

Volume of procedures performed by Dr. Ali H. Mesiwala, MD, FAANS for Medicare patients.

decompression surgery	35
doctor visit	426
hospital care	31
inpatient care	31
joint surgery	14
neck surgery	14
nerve procedures	35
reconstructive surgery	14
spinal procedures	49

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Ali H. Mesiwala, MD, FAANS.

**Gender**
Male	116
Female	182

**Ethnicity**
Non-Hispanic White	149
Black	28
Hispanic	83
Asian	24
Other	14
Native American	0

**Age**
From 65 to 74	143
From 75 to 84	62
85 and over	17
Less than 65	76

Conditions of Medicare patients treated by Dr. Ali H. Mesiwala, MD, FAANS in 2021

Hypertension	75
High Cholesterol	61
Stroke	12
Ischemic Heart Disease	37
Depression	34
Chronic Kidney Disease	41
Asthma	9
Osteoperosis	13
Atrial Fibrilation	8
Heart Failure	23
Chronic Obstructive Pulmonary Disease	15
Diabetes	39
Dementia	14
Cancer	9

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Ali H. Mesiwala, MD, FAANS treated as a neurosurgeon in Lake Forest, CA during 2022 were hospital care, inpatient care, nerve procedures and decompression surgery.

Volume of procedures performed by Dr. Ali H. Mesiwala, MD, FAANS for Medicare patients.

decompression surgery	31
doctor visit	200
hospital care	53
inpatient care	53
nerve procedures	31
spinal procedures	31

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Ali H. Mesiwala, MD, FAANS.

**Gender**
Male	91
Female	136

**Ethnicity**
Non-Hispanic White	136
Black	0
Hispanic	50
Asian	19
Other	0
Native American	0

**Age**
From 65 to 74	108
From 75 to 84	56
85 and over	19
Less than 65	44

Conditions of Medicare patients treated by Dr. Ali H. Mesiwala, MD, FAANS in 2022

Hypertension	75
High Cholesterol	75
Stroke	24
Ischemic Heart Disease	28
Depression	31
Chronic Kidney Disease	30
Asthma	11
Osteoperosis	13
Atrial Fibrilation	14
Heart Failure	21
Chronic Obstructive Pulmonary Disease	18
Diabetes	41
Dementia	10
Cancer	12

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2022

Volume of procedures performed by Dr. Ali H. Mesiwala, MD, FAANS for Medicare patients.

The highest averages for the top procedures that Dr. Ali H. Mesiwala, MD, FAANS treated as a neurosurgeon in Lake Forest, CA were spinal procedures, inpatient care, hospital care and nerve procedures.

arthrodesis (bone fusion surgery)	16
decompression surgery	23
doctor visit	358
hospital care	38
implant surgery	18
inpatient care	38
joint surgery	14
minimally invasive procedures	12
neck surgery	14
nerve procedures	23
neurostimulator lead placement	19
neurostimulator replacement	18
open surgery	13
pelvic surgery	13
reconstructive surgery	15
spinal procedures	47

Average Medicare Patient Data From 2012 - 2022

Information about Medicare patients treated by Dr. Ali H. Mesiwala, MD, FAANS.

**Gender**
Male	113
Female	147

**Ethnicity**
Black / African American	20
Asian / Pacific Islander	10
Non-Hispanic White	135
Native American / Alaskan Native	0
Hispanic	71
Other	2

**Age**
75 to 84	50
85 and over	16
Less than 65	79
65 to 74	110

Average of Total of Conditions of Medicare patients treated by Dr. Ali H. Mesiwala, MD, FAANS From 2012 - 2022

The highest averages of the most common conditions of Medicare patients that Dr. Ali H. Mesiwala, MD, FAANS treated were hypertension, high cholesterol, diabetes and ischemic heart disease.

Hypertension	66
High Cholesterol	51
Stroke	12
Ischemic Heart Disease	33
Depression	28
Chronic Kidney Disease	32
Asthma	11
Osteoporosis	10
Heart Failure	21
Chronic Obstructive Pulmonary Disease	17
Diabetes	38
Atrial Fibrillation	7
Dementia	12
Cancer	8

Education & Training

Dr. Ali H. Mesiwala, MD, FAANS graduated from University of California, San Francisco (UCSF), School of Medicine in 1997. He is certified by the Neurological Surgery and has a state license in California.

Medical School: University of California, San Francisco (UCSF), School of Medicine (1997)

Board Certification: Neurological Surgery

Licensed In: California

Affiliations & Hospitals

Dr. Ali H. Mesiwala, MD, FAANS is associated with these hospitals and organizations:

Dignity Health

St Bernardine Medical Center

Ratings & Reviews

Dr. Ali H. Mesiwala, MD, FAANS has an exceptional overall rating with an average of 4.6 out of 5 stars based on 5 ratings. We collect ratings and reviews of Dr. Ali H. Mesiwala, MD, FAANS from all over the web to help you find the right in Lake Forest, CA.

4.6

Overall Rating

(5 Ratings)

Leave a Review

General Payments

These charts describe general payments received by Dr. Ali H. Mesiwala, MD, FAANS. Doctors may receive payments for a number of reasons, including meal compensation, travel compensation, and consulting.

**Payments by Company**
SI-Bone, Inc.	$283,055 iFuse Implant $143,162	IFUSE IMPLANT SYSTEM $139,620	$273
Life Spine, Inc.	$210,234 SIMPact $87,326	Dynalink Ti $17,543	Dyna-Link Ti Barbs $14,500	Dyna-link Ti $11,119	ArX $10,998	Other $68,749
NUVASIVE, INC.	$162,428 CoRoent $93,067	Thoracolumbar $33,983	TLIF $18,409	ALIF $6,050	Simplify Cervical Artificial Disc $2,713	Other $8,206
Neo Spine USA Inc	$79,162 Neo Pedicle Screw System $79,162
Abbott Laboratories	$77,219 Proclaim Family of SCS IPGs $43,990	SCS IPGs $11,535	Neuromodulation Dspsbls and Accs $7,944	Axium INS DRG IPG $3,346	Proclaim IPG $2,920	Other $7,484
Other	$40,255 BIOLOGIX Allograft Bone $9,548	DTRAX Spinal System $7,093	ReActiv8 $5,362	activL Artificial Disc $4,569	Prodigy and Prodigy MRI $2,224	Other $11,459

**Types of Payments**
Consulting Fee	$380,674
Royalty or License	$379,018
Travel and Lodging	$50,726
Food and Beverage	$24,503
Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program	$14,910
Other	$2,521

Research Payments

Dr. Ali H. Mesiwala, MD, FAANS has received 31 research payments totaling $273,925.

Ownership and Interest Payments

This table describes ownership payments received by Dr. Ali H. Mesiwala, MD, FAANS.

Spinal Surgical Strategies, Inc.

2022

$12,500.00

Physician Covered Recipient

Dr. Mesiwala was a part of the development team and received options worth approximately $12,500.

Biography

Dr. Ali Mesiwala practices neurosurgery. Patients gave him an average rating of 4.5 stars (out of 5). He is affiliated with Dignity Health. Dignity Health reports that Dr. Mesiwala is accepting new patients at his office in San Bernardino, CA. He studied medicine at the University of California, San Francisco (UCSF), School of Medicine.

Select Year:

Dr. Ali H. Mesiwala, MD, FAANS

Office Locations

In The News

Noteworthy Medicare Patient Procedures Performed by Dr. Ali H. Mesiwala, MD, FAANS in 2023

By Volume:

Medicare Procedure and Patient Information

2012 Medicare Procedure Volume

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

2013 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Ali H. Mesiwala, MD, FAANS in 2013

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

2014 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Ali H. Mesiwala, MD, FAANS in 2014

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

2015 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Ali H. Mesiwala, MD, FAANS in 2015

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

2016 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Ali H. Mesiwala, MD, FAANS in 2016

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

2017 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Ali H. Mesiwala, MD, FAANS in 2017

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

2018 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Ali H. Mesiwala, MD, FAANS in 2018

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

2019 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Ali H. Mesiwala, MD, FAANS in 2019

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

2020 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Ali H. Mesiwala, MD, FAANS in 2020

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

2021 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Ali H. Mesiwala, MD, FAANS in 2021

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

2022 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Ali H. Mesiwala, MD, FAANS in 2022

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2022

Average Medicare Patient Data From 2012 - 2022

Average of Total of Conditions of Medicare patients treated by Dr. Ali H. Mesiwala, MD, FAANS From 2012 - 2022

Education & Training

Affiliations & Hospitals

Ratings & Reviews

General Payments

Research Payments

Ownership and Interest Payments

Biography

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