Umar Mahmud, M.D.
NPI 1205221728 · Internal Medicine Physician · New Britain, CT
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Umar Mahmud, M.D. is a Internal Medicine Physician provider in New Britain, CT (NPI 1205221728).
Provider details
- NPI number
- 1205221728
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 60569 (CT)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
11 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
585 Medicare services, 2024 (ranked within specialty)
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 methodology.
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) |
|---|---|---|
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 326 | $177 |
| Subsequent Hospital Care With Straightforward Or Low Level of Medical Decision Making, Per Day, If Using Time, at Least 25 Minutes99231 | 114 | $51 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 76 | $81 |
| Initial Hospital Care With Straightforward Or Low-Level Medical Decision Making, If Using Time, at Least 55 Minutes99222 | 44 | $134 |
| Hospital Discharge Day Management, More Than 30 Minutes99239 | 13 | $117 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 |
Practice location
Mailing address
Additional practice locations (1)
- 263 Farmington AveFarmington, CT 06030-1234Phone: (860) 679-4884
Registry dates
- Enumerated
- 2015-04-01
- Last updated
- 2018-05-29
Frequently asked questions
- What is Umar Mahmud's NPI number?
- Umar Mahmud's National Provider Identifier (NPI) is 1205221728, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Umar Mahmud's specialty?
- Umar Mahmud is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Umar Mahmud located?
- Umar Mahmud's practice location on file with NPPES is 100 Grand St, New Britain, CT 06052.
- What is Umar Mahmud's phone number?
- The practice phone number listed in the NPPES registry for Umar Mahmud is (860) 224-5661.
- Does Umar Mahmud accept Medicare?
- Umar Mahmud is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Umar Mahmud's NPI active?
- Yes — Umar Mahmud's NPI (1205221728) is active in the NPPES registry as of the last update on 2018-05-29.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.