Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Dr. Geoffrey Alan Fillmore, DO

Individual provider Internal Medicine Physician · NPI 1013022680

Dr. Geoffrey Alan Fillmore, DO is a Gastroenterology in Tulsa, Oklahoma. Graduated from Oklahoma State University College of Osteopathic Medicine in 2004, 22 years ago. Practices with Gastroenterology Specialists, Inc, a 22-clinician group, accepts Medicare assignment and offers telehealth. Licensed in Oklahoma and Texas.

Years since qualifying
22
Trained at
Oklahoma State University College of Osteopathic Medicine
Licensed in
OK, TX
In the registry since
2006
Specialties on file
2
What do these letters mean?
DO — Doctor of Osteopathic Medicine
A fully licensed physician, trained like an MD with additional musculoskeletal training. Equivalent practice rights in all 50 states.

See every abbreviation used in this directory →

Practice location Address checks out

10210 E 91st St
Tulsa, OK 74133-5834
Phone: (918) 940-8500
Fax: (918) 940-8399
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Gastroenterology Physician (primary) Taxonomy 207RG0100X · Licence 4981 (OK)
Internal Medicine Physician Taxonomy 207R00000X · Licence M3541 (TX)

Record details

NPI number1013022680
Entity typeIndividual (Type 1)
GenderMale
Credentials DO
Sole proprietorNo
NPI enumeratedAugust 21, 2006
Last updated in NPPESApril 28, 2022
Certification dateApril 28, 2022
Mailing address10210 E. 91st Street South, Second Floor, Tulsa, OK 74133-5834

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyGASTROENTEROLOGY
Also practisesINTERNAL MEDICINE
Medical schoolOKLAHOMA STATE UNIVERSITY COLLEGE OF OSTEOPATHIC MEDICINE
Graduated 2004 (22 years in practice)
Group practice Gastroenterology Specialists, Inc. — 22 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

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