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

Dr. Gabriel Theodore Tatarian, DO

Individual provider Neurology Physician · NPI 1164487914

Dr. Gabriel Theodore Tatarian, DO practises Neurology in Philadelphia, Pennsylvania. Graduated from Rowan University School of Osteopathic Medicine in 1988, 38 years ago. Practices with Methodist Associates in Healthcare, Inc, a 391-clinician group, works from 3 locations, accepts Medicare assignment and offers telehealth. Licensed in Pennsylvania.

Years since qualifying
38
Trained at
Rowan University School of Osteopathic Medicine
Licensed in
PA
In the registry since
2006
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.

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Practice location Address checks out

1015 Chestnut St Ste 918
Philadelphia, PA 19107
Phone: (215) 922-1801
Fax: (215) 922-1806
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (2)

  • 10 Presidential Blvd Ste 124, Bala Cynwyd, PA 19004-1107 — (215) 922-1801
  • 555 Second Ave Ste C-850, Collegeville, PA 19426-3635 — (610) 831-5200

Specialties & licences

Neurology Physician (primary) Taxonomy 2084N0400X · Licence OS-008458-L (PA)

Record details

NPI number1164487914
Entity typeIndividual (Type 1)
GenderMale
Credentials DO
Sole proprietorNo
NPI enumeratedApril 17, 2006
Last updated in NPPESMarch 13, 2019

Medicare enrollment

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

Medicare specialtyNEUROLOGY
Medical schoolROWAN UNIVERSITY SCHOOL OF OSTEOPATHIC MEDICINE
Graduated 1988 (38 years in practice)
Group practice Methodist Associates In Healthcare, Inc — 391 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services
Practice locations6 on file with Medicare

Medicare patients and services, 2024

From the CMS Medicare Physician & Other Practitioners file for calendar year 2024. It counts Original Medicare patients only, so a practice that mostly sees Medicare Advantage or privately insured patients looks smaller here than it is.

Medicare patients377
Services billed 4,121 a service is one billed item, such as a visit, a test or a procedure
Average patient age73

Dollar amounts are not shown. What Medicare pays a practice is gross billings, before staff, premises and tax and including the cost of any drugs it administers, so it is not what a clinician earns.

Payments from drug and device companies, 2025

Drug and device makers are required by federal law (the Physician Payments Sunshine Act) to report what they pay or give to clinicians, and CMS publishes the reports as Open Payments. This is the 2025 program year. A report is a record of a payment, not an allegation of anything, and many are small items such as meals. Only general payments are listed here; research payments and ownership or investment interests are reported separately by CMS and are not shown.

Food and Beverage $343 9 payments · a meal or drink at a meeting or visit, not a fee

Each amount is the sum of what companies reported for that kind of payment in 2025, rounded to the dollar. Not all of it is income to the clinician: a meal is not a fee, a charitable contribution goes to a charity, and a royalty or an acquisition payment is not a salary.

Check a report, or dispute one, at the source in CMS’s own tool, Open Payments. Corrections go through CMS’s dispute process. This site removes a home address on request and asks for no proof, because that is privacy; it will not remove an accurate payment report on request, because that is a statutory public disclosure.

Practises at

Facilities the CMS Facility Affiliation file lists for this clinician.

Colleagues at Methodist Associates in Healthcare, Inc

Clinicians the CMS Doctors & Clinicians file lists under the same group practice. CMS counts 391 clinicians in the practice; 12 are shown here.

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