Nissar Ahmed, DO
NPI 1881181139 · Hospitalist Physician · Chester, PA
Enrolled with Medicare as Practitioner - Hospitalist · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Nissar Ahmed, DO is a Hospitalist Physician provider in Chester, PA (NPI 1881181139).
Provider details
- NPI number
- 1881181139
- Entity type
- Individual
- Primary specialty
- Hospitalist PhysicianAllopathic & Osteopathic Physicians
- Credential
- DO
- Sex
- Male
- Sole proprietor
- No
- License
- 318767 (NY)
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
8 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
3 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
625 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) |
|---|---|---|
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 272 | $87 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 178 | $193 |
| Initial Hospital Care With Straightforward Or Low-Level Medical Decision Making, If Using Time, at Least 55 Minutes99222 | 76 | $146 |
| Hospital Discharge Day Management, More Than 30 Minutes99239 | 63 | $125 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 25 | $131 |
| Hospital Discharge Day Management, 30 Minutes Or Less99238 | 11 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 1 distinct drug on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Prednisone | 14 | 14 |
Medicare Part D only. These counts cover prescriptions paid through Medicare Part D in 2024 — they do notinclude cash-pay, commercial-insurance, Medicaid, or Part B–administered drugs, and badly undercount high cash-pay categories (e.g. GLP-1 weight-loss, testosterone, and ED medications). Any drug with 10 or fewer claims is omitted by CMS, and beneficiary counts under 11 are suppressed — so a missing drug means no Part D record, never zero. This is a factual claims summary, not an endorsement, not medical advice, and not a consumer report. Source: CMS Medicare Part D Prescribers — by Provider and Drug.
Practice location
Mailing address
Additional practice locations (2)
- 475 Seaview AveStaten Island, NY 10305-3436Phone: (718) 226-6494
- 175 E Chester PikeRidley Park, PA 19078-2212Phone: (610) 595-6000
Registry dates
- Enumerated
- 2018-04-21
- Last updated
- 2023-08-06
- Certified
- 2023-08-06
Frequently asked questions
- What is Nissar Ahmed's NPI number?
- Nissar Ahmed's National Provider Identifier (NPI) is 1881181139, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Nissar Ahmed's specialty?
- Nissar Ahmed is listed in the NPPES registry with a primary specialty of Hospitalist Physician (Allopathic & Osteopathic Physicians).
- Where is Nissar Ahmed located?
- Nissar Ahmed's practice location on file with NPPES is 1 Medical Center Blvd, Chester, PA 19013-3902.
- What is Nissar Ahmed's phone number?
- The practice phone number listed in the NPPES registry for Nissar Ahmed is (610) 447-2000.
- Does Nissar Ahmed accept Medicare?
- Nissar Ahmed is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Nissar Ahmed's NPI active?
- Yes — Nissar Ahmed's NPI (1881181139) is active in the NPPES registry as of the last update on 2023-08-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.