Dr. Joan T. Merrill, MD

(No ratings)

Specializes in: Adult Rheumatology

825 Ne 13th Street Omrf E110
Oklahoma City, OK 73104

(405) 271-7805

Dr. Joan T. Merrill, MD is a rheumatologist in Oklahoma City, OK specializing in adult rheumatology.

Office Locations

825 Ne 13th Street Omrf E110
Oklahoma City, OK 73104

(405) 271-7805

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In The News

“At ACR, Joan Merrill, MD, of the Oklahoma Medical Research Foundation in Oklahoma City, walked attendees through these and other problems with CAR-T treatments as currently practiced and that may...”—"Race for the Rheum Disease Cure Heats Up", MedPage Today, December 2025

“But adding the anti-BTK drug didn't improve the efficacy beyond that achieved with upadacitinib monotherapy, according to Joan T. Merrill, MD, of the Oklahoma Medical Research Foundation in...”—"Could Two Targeted Therapies Be Better Than One in Lupus?", MedPage Today, June 2024

“Since the disease varies from patient to patient, it's more complicated than many other illnesses, says Dr. Joan Merrill, medical director of the Lupus Foundation of America and the head of...”—"Living with lupus", The Washington Times, November 2004

Medicare Procedure and Patient Information

2012 Medicare Procedure Volume

Volume of procedures performed by Dr. Joan T. Merrill, MD for Medicare patients.

doctor visit	117

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

Volume of procedures performed by Dr. Joan T. Merrill, MD for Medicare patients.

doctor visit	19

Medicare Procedure and Patient Information

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Joan T. Merrill, MD.

**Age**
From 65 to 74	0
From 75 to 84	0
85 and over	0
Less than 65	11

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2014

Volume of procedures performed by Dr. Joan T. Merrill, MD for Medicare patients.

doctor visit	68

Average Medicare Patient Data From 2012 - 2014

Information about Medicare patients treated by Dr. Joan T. Merrill, MD.

**Age**
75 to 84	0
85 and over	0
Less than 65	3
65 to 74	0

Education & Training

She has a state license in Oklahoma.

Licensed In: Oklahoma

Ratings & Reviews

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General Payments

These charts describe general payments received by Dr. Joan T. Merrill, MD. Doctors may receive payments for a number of reasons, including meal compensation, travel compensation, and consulting.

**Payments by Company**
Amgen Inc.	$207,011 Enbrel $302	$206,709
Celgene Corporation	$104,034 CC-220 $7,620	$96,414
SANOFI US SERVICES INC.	$85,923 $85,923
EMD Serono, Inc.	$64,043 $64,043
EMD Serono Research & Development Institute, Inc.	$54,450 $54,450
Other	$344,961 ORENCIA $18,834	Rinvoq $15,600	BENLYSTA $13,035	STELARA $7,536	ACTHAR $7,203	Other $282,753

**Types of Payments**
Consulting Fee	$764,769
Travel and Lodging	$75,621
Food and Beverage	$9,971
Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program	$7,545
Honoraria	$2,428
Other	$87

Research Payments

Dr. Joan T. Merrill, MD has received 312 research payments totaling $5,906,196.

Biography

Dr. Joan Merrill, who practices in Oklahoma City, OK, is a medical specialist in adult rheumatology. Dr. Merrill obtained a license to practice in Oklahoma.