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Dr. Nicolaas Martin Grobler Jr., MD

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Specializes in: Adult Pulmonology and Adult Critical Care

9525 Monte Vista Avenue Suite 105
Montclair, CA 91763

(909) 626-1205

Dr. Nicolaas Martin Grobler Jr., MD is a pulmonologist in Upland, CA specializing in adult pulmonology and adult critical care. Dr. Nicolaas Martin Grobler Jr., MD is affiliated with Casa Colina Hospital and Centers for Healthcare, Pomona Valley Hospital Medical Center and INLAND PHYSICIANS PULMONARY SERVICES.

Office Locations

Address:

350 S Euclid Avenue Suite C
Upland, CA 91786

Address:

9525 Monte Vista Avenue Suite 105
Montclair, CA 91763

In The News

“Jon was born in Arcadia, California on Oct. 22, 1973 to Dr. Nicolaas M. Grobler and Mary Ann Grobler.”—"Jonathan Michael Grobler", Daily Bulletin, May 2014

“Nicolaas Grobler, physician, 1110 N. Kentucky Ave., Winter Park, 32789.”—"New Business", Orlando Sentinel, August 2007

blood draw	130
doctor visit	958
hospital care	1581
inpatient care	1581
nursing home care	298
preventive care	27
pulmonary testing	57
vaccines	27
vascular procedures	83

**Gender**
Male	258
Female	355

**Ethnicity**
Non-Hispanic White	250
Black	66
Hispanic	248
Asian	38
Other	0
Native American	0

**Age**
From 65 to 74	192
From 75 to 84	167
85 and over	102
Less than 65	152

Hypertension	75
High Cholesterol	58
Stroke	18
Ischemic Heart Disease	60
Depression	30
Chronic Kidney Disease	55
Asthma	17
Osteoperosis	12
Atrial Fibrilation	19
Heart Failure	57
Chronic Obstructive Pulmonary Disease	45
Diabetes	62
Dementia	31
Cancer	12

blood draw	88
doctor visit	746
hospital care	1084
inpatient care	1084
nursing home care	201
preventive care	17
vaccines	17
vascular procedures	17

**Gender**
Male	234
Female	288

**Ethnicity**
Non-Hispanic White	218
Black	56
Hispanic	212
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	149
From 75 to 84	149
85 and over	94
Less than 65	130

Hypertension	75
High Cholesterol	55
Stroke	14
Ischemic Heart Disease	57
Depression	29
Chronic Kidney Disease	55
Asthma	15
Osteoperosis	9
Atrial Fibrilation	19
Heart Failure	56
Chronic Obstructive Pulmonary Disease	44
Diabetes	62
Dementia	30
Cancer	12

blood draw	39
doctor visit	459
hospital care	804
inpatient care	804
nursing home care	185
preventive care	10
vaccines	10

**Gender**
Male	336
Female	408

**Ethnicity**
Non-Hispanic White	346
Black	68
Hispanic	268
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	254
From 75 to 84	210
85 and over	128
Less than 65	152

Hypertension	75
High Cholesterol	57
Stroke	17
Ischemic Heart Disease	57
Depression	31
Chronic Kidney Disease	55
Asthma	28
Osteoperosis	12
Atrial Fibrilation	17
Heart Failure	51
Chronic Obstructive Pulmonary Disease	42
Diabetes	57
Dementia	29
Cancer	13

blood draw	21
doctor visit	495
hospital care	539
inpatient care	539
nursing home care	226
preventive care	11
pulmonary testing	35
vaccines	11
vascular procedures	9

**Gender**
Male	161
Female	184

**Ethnicity**
Non-Hispanic White	164
Black	0
Hispanic	109
Asian	35
Other	0
Native American	0

**Age**
From 65 to 74	123
From 75 to 84	98
85 and over	53
Less than 65	71

Hypertension	75
High Cholesterol	56
Stroke	15
Ischemic Heart Disease	54
Depression	22
Chronic Kidney Disease	49
Asthma	32
Osteoperosis	11
Atrial Fibrilation	17
Heart Failure	48
Chronic Obstructive Pulmonary Disease	32
Diabetes	52
Dementia	29
Cancer	10

blood draw	24
doctor visit	497
hospital care	696
inpatient care	696
nursing home care	243
preventive care	10
pulmonary testing	43
vaccines	10
vascular procedures	28

**Gender**
Male	184
Female	195

**Ethnicity**
Non-Hispanic White	190
Black	0
Hispanic	111
Asian	40
Other	0
Native American	0

**Age**
From 65 to 74	138
From 75 to 84	116
85 and over	60
Less than 65	65

Hypertension	75
High Cholesterol	58
Stroke	16
Ischemic Heart Disease	57
Depression	23
Chronic Kidney Disease	54
Asthma	10
Osteoperosis	11
Atrial Fibrilation	17
Heart Failure	50
Chronic Obstructive Pulmonary Disease	43
Diabetes	53
Dementia	28
Cancer	14

blood draw	33
doctor visit	481
hospital care	582
inpatient care	582
nursing home care	273
preventive care	13
pulmonary testing	37
vaccines	13
vascular procedures	20

**Gender**
Male	160
Female	176

**Ethnicity**
Non-Hispanic White	170
Black	0
Hispanic	98
Asian	30
Other	0
Native American	0

**Age**
From 65 to 74	141
From 75 to 84	90
85 and over	55
Less than 65	50

Hypertension	75
High Cholesterol	63
Stroke	17
Ischemic Heart Disease	59
Depression	28
Chronic Kidney Disease	60
Asthma	15
Osteoperosis	13
Atrial Fibrilation	18
Heart Failure	51
Chronic Obstructive Pulmonary Disease	41
Diabetes	51
Dementia	26
Cancer	11

blood draw	40
doctor visit	563
hospital care	344
inpatient care	344
nursing home care	171
preventive care	11
pulmonary testing	65
vaccines	11
vascular procedures	14

**Gender**
Male	143
Female	199

**Ethnicity**
Non-Hispanic White	184
Black	26
Hispanic	100
Asian	19
Other	0
Native American	0

**Age**
From 65 to 74	148
From 75 to 84	103
85 and over	49
Less than 65	42

Hypertension	75
High Cholesterol	64
Stroke	12
Ischemic Heart Disease	59
Depression	27
Chronic Kidney Disease	56
Asthma	16
Osteoperosis	10
Atrial Fibrilation	14
Heart Failure	49
Chronic Obstructive Pulmonary Disease	41
Diabetes	47
Dementia	26
Cancer	11

doctor visit	379
hospital care	491
inpatient care	491
nursing home care	276
pulmonary testing	31

**Gender**
Male	155
Female	188

**Ethnicity**
Non-Hispanic White	182
Black	28
Hispanic	93
Asian	23
Other	0
Native American	0

**Age**
From 65 to 74	148
From 75 to 84	110
85 and over	45
Less than 65	40

Hypertension	75
High Cholesterol	58
Stroke	14
Ischemic Heart Disease	53
Depression	24
Chronic Kidney Disease	50
Asthma	12
Osteoperosis	8
Atrial Fibrilation	15
Heart Failure	44
Chronic Obstructive Pulmonary Disease	33
Diabetes	48
Dementia	28
Cancer	10

doctor visit	993
hospital care	568
inpatient care	568
nursing home care	568
preventive care	27
pulmonary testing	73
vaccines	27
vascular procedures	95

Average Medicare Procedure Volume From 2013 - 2021

Volume of procedures performed by Dr. Nicolaas Martin Grobler Jr., MD for Medicare patients.

The highest averages for the top procedures that Dr. Nicolaas Martin Grobler Jr., MD treated as a pulmonologist in Upland, CA were hospital care, inpatient care, nursing home care and blood draw.

blood draw	53
doctor visit	621
hospital care	743
inpatient care	743
nursing home care	271
preventive care	18
pulmonary testing	49
vaccines	18
vascular procedures	38

Average Medicare Patient Data From 2013 - 2021

Information about Medicare patients treated by Dr. Nicolaas Martin Grobler Jr., MD.

**Gender**
Male	163
Female	199

**Ethnicity**
Black / African American	24
Asian / Pacific Islander	18
Non-Hispanic White	170
Native American / Alaskan Native	0
Hispanic	123
Other	0

**Age**
85 and over	58
75 to 84	104
Less than 65	70
65 to 74	129

Average of Total of Conditions of Medicare patients treated by Dr. Nicolaas Martin Grobler Jr., MD From 2013 - 2021

The highest averages of the most common conditions of Medicare patients that Dr. Nicolaas Martin Grobler Jr., MD treated were hypertension, high cholesterol, ischemic heart disease and chronic kidney disease.

Hypertension	60
High Cholesterol	46
Stroke	12
Ischemic Heart Disease	45
Depression	21
Chronic Kidney Disease	43
Asthma	14
Osteoporosis	8
Heart Failure	40
Chronic Obstructive Pulmonary Disease	32
Diabetes	43
Atrial Fibrillation	13
Dementia	22
Cancer	9

Education & Training

He completed residency at Greenwich Hospital. He is certified by the Internal Medicine (General Cert) Pulmonary Disease (Sub-Spec Cert) and has a state license in California.

Residency: Greenwich Hospital (2004)

Board Certification: Internal Medicine (General Cert) Pulmonary Disease (Sub-Spec Cert)

Licensed In: California

Affiliations & Hospitals

Dr. Nicolaas Martin Grobler Jr., MD is associated with these hospitals and organizations:

Casa Colina Hospital and Centers for Healthcare

Pomona Valley Hospital Medical Center

INLAND PHYSICIANS PULMONARY SERVICES

Ratings & Reviews

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General Payments

These charts describe general payments received by Dr. Nicolaas Martin Grobler Jr., MD. Doctors may receive payments for a number of reasons, including meal compensation, travel compensation, and consulting.

**Payments by Company**
GlaxoSmithKline, LLC.	$2,594 TRELEGY ELLIPTA $1,192	NUCALA $682	ANORO $354	BREO $211	TANZEUM $21	Other $134
AstraZeneca Pharmaceuticals LP	$592 FASENRA $317	BREZTRI $67	BYDUREON $67	BEVESPI AEROSPHERE $63	SYMBICORT $33	Other $44
Novo Nordisk Inc	$590 Tresiba $148	Victoza $139	Ozempic $118	NovoLog $89	RYBELSUS $72	Other $25
Edwards Lifesciences Corporation	$493 $493
United Therapeutics Corporation	$356 ORENITRAM $150	TYVASO $101	REMODULIN $81	None $24
Other	$4,225 DUPIXENT $541	CUTAQUIG $267	Adempas $264	AVYCAZ $212	XIFAXAN $194	Other $2,746

**Types of Payments**
Food and Beverage	$8,331
Education	$258
Travel and Lodging	$236
Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program	$24

Biography

Dr. Nicolaas Grobler sees patients in Montclair, CA and Upland, CA. His medical specialties are adult critical care and adult pulmonology. For his residency, Dr. Grobler trained at Greenwich Hospital. Dr. Grobler speaks German. His professional affiliations include Casa Colina Hospital and Centers for Healthcare and Pomona Valley Hospital Medical Center.