1. Home
  2. Directory
  3. New York
  4. Brooklyn
  5. Family Medicine
  6. NPI Profile

DR. THOMAS O'BRIEN D.O.
NPI 1063434298
Family Medicine in Brooklyn, NY

Active since July 24, 2006PECOS Enrolled
1700 FLATBUSH AVE, BROOKLYN, NY 11210(516) 330-4173 Get Directions Write a Review

NPPES record last updated: January 8, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Dr. Thomas O'brien D.o. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. THOMAS O'BRIEN D.O. (NPI 1063434298) is an individual family medicine provider in Brooklyn, New York, licensed in New York (210513) and active in the NPI registry since July 2006. He is enrolled in Medicare PECOS and is a graduate of Des Moines University Of Osteopathic Medicine And Health Sciences (1995).

NPPES Registry Identity

NPI1063434298
Entity TypeIndividualMale
Primary Taxonomy207Q00000X
Provider Legal NameDR. THOMAS O'BRIENCredential: D.O.
Location Address1700 FLATBUSH AVEBrooklyn, NY 11210-3943
Mailing Address336 Lagoon Dr SCopiague, NY 11726-5416 · (516) 330-4173
Phone(516) 330-4173
Sole ProprietorYes
Medical School CMSDes Moines University Of Osteopathic Medicine And Health SciencesGraduated 1995
Enumeration DateJuly 24, 2006
Last NPPES UpdateJanuary 8, 2026
NPPES CertifiedJanuary 8, 2026
✔ NPI 1063434298 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207Q00000X
License✔ Licensed in NY · 210513
Definition
Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.
1700 FLATBUSH AVE, Brooklyn, NY 11210
Open in Google Maps ↗

Other Identifiers 1

Medicaid01971484NY

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Thomas O'brien D.o. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID6507885308
PECOS Enrollment IDI20051121000857
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 11210 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$105.06 typical visit price
range $67.40 – $203.53
Typical copayment $26.26 (range $16.85 – $50.88)
Most-billed visit code 99203
Established Patient
$117.62 typical visit price
range $21.66 – $164.45
Typical copayment $29.40 (range $5.41 – $41.11)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 6

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

NARENDRA A KUMTHEKAR PHYSICIAN PC
Surgery
1700 FLATBUSH AVE
BROOKLYN, NY 11210
Kings County (914) 843-8996
TGO MEDICINE PC
Family Medicine
1700 FLATBUSH AVE
BROOKLYN, NY 11210
Kings County (516) 330-4173
DR. NARENDRA ANAND KUMTHEKAR M.D.
Surgery
1700 FLATBUSH AVE
BROOKLYN, NY 11210
Kings County (718) 692-1120
DAVID SOLOMON GARFINKEL DDS
Dentist
1700 FLATBUSH AVE, DAVID GARFINKEL DDS
BKLYN, NY 11210
Kings County (718) 377-4081
DR. ANIL K. SAXENA M.D.
Internal Medicine (Endocrinology, Diabetes & Metabolism)
1700 FLATBUSH AVE
BROOKLYN, NY 11210
Kings County (718) 951-6495
ANIL K. SAXENA, MD, PC.
Internal Medicine (Endocrinology, Diabetes & Metabolism)
1700 FLATBUSH AVE
BROOKLYN, NY 11210
Kings County (718) 951-6495

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Thomas O'brien's NPI number?

The NPI number for Thomas O'brien is 1063434298. It was assigned to this individual provider in the NPPES registry on July 24, 2006.

Where is Thomas O'brien located?

Thomas O'brien practices at 1700 Flatbush Ave, Brooklyn, NY 11210. The listed phone number is (516) 330-4173.

What is Thomas O'brien's specialty?

The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.

Is Thomas O'brien enrolled in Medicare?

Yes. Thomas O'brien is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Thomas O'brien was last updated on January 8, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.