Thomas Ullman, M.D.
NPI 1447281944 · Gastroenterology Physician · Scarsdale, NY
Enrolled with Medicare as Practitioner - Gastroenterology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Thomas Ullman, M.D. is a Gastroenterology Physician provider in Scarsdale, NY (NPI 1447281944).
Provider details
- NPI number
- 1447281944
- Entity type
- Individual
- Primary specialty
- Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 197786 (NY)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
19 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
3 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
274 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 103 | $18 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 96 | $97 |
| Initial Hospital Care With Straightforward Or Low Level of Medical Decision Making, Per Day, If Using Time, at Least 40 Minutes99221 | 24 | $93 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 23 | $146 |
| Biopsy of Large Bowel Using a Flexible Endoscope45380 | 14 | $197 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 23 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Mesalamine | 79 | 15 |
| Peg3350/Sod Sulf,bicarb,cl/Kclbrand: Gavilyte-G | 54 | 54 |
| Vedolizumabbrand: Entyvio | 50 | — |
| Omeprazole | 39 | 12 |
| Ustekinumabbrand: Stelara | 27 | — |
| Rifaximinbrand: Xifaxan | 27 | — |
| Upadacitinibbrand: Rinvoq | 26 | — |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$58,808 across 80 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Additional practice locations (2)
- 77 Pondfield Rd Ste 2Bronxville, NY 10708-3809Phone: (914) 370-5000
- 116 Fifth AvePelham, NY 10803-1504Phone: (914) 813-3133
Registry dates
- Enumerated
- 2006-07-05
- Last updated
- 2024-12-23
- Certified
- 2024-12-23
Frequently asked questions
- What is Thomas Ullman's NPI number?
- Thomas Ullman's National Provider Identifier (NPI) is 1447281944, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Thomas Ullman's specialty?
- Thomas Ullman is listed in the NPPES registry with a primary specialty of Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is Thomas Ullman located?
- Thomas Ullman's practice location on file with NPPES is 341 Central Park Ave, Scarsdale, NY 10583-1301.
- What is Thomas Ullman's phone number?
- The practice phone number listed in the NPPES registry for Thomas Ullman is (914) 370-5000.
- Does Thomas Ullman accept Medicare?
- Thomas Ullman is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Thomas Ullman's NPI active?
- Yes — Thomas Ullman's NPI (1447281944) is active in the NPPES registry as of the last update on 2024-12-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.