Shereen Mahmood, M.D.
NPI 1447693007 · Student in an Organized Health Care Education/Training Program · Manhasset, NY
Enrolled with Medicare as Practitioner - Rheumatology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Shereen Mahmood, M.D. is a Student in an Organized Health Care Education/Training Program provider in Manhasset, NY (NPI 1447693007).
Provider details
- NPI number
- 1447693007
- Entity type
- Individual
- Primary specialty
- Student in an Organized Health Care Education/Training ProgramStudent, Health Care
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
Specialties & taxonomies
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
13 yrs in NPPES registry
- Profile completeness25% of score
83% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
39 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 25 | $167 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 14 | $111 |
Typical Medicare-allowed amounts for these services range $111–$167 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 14 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Methotrexate Sodiumbrand: Methotrexate | 176 | 44 |
| Hydroxychloroquine Sulfate | 67 | 29 |
| Leflunomide | 65 | 21 |
| Colchicine | 48 | 24 |
| Folic Acid | 35 | 14 |
| Azathioprine | 25 | — |
| Immune Globul G/Gly/Iga Avg 46brand: Gamunex-C | 24 | — |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$127 across 2 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
Registry dates
- Enumerated
- 2013-04-14
- Last updated
- 2013-04-14
Frequently asked questions
- What is Shereen Mahmood's NPI number?
- Shereen Mahmood's National Provider Identifier (NPI) is 1447693007, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Shereen Mahmood's specialty?
- Shereen Mahmood is listed in the NPPES registry with a primary specialty of Student in an Organized Health Care Education/Training Program (Student, Health Care).
- Where is Shereen Mahmood located?
- Shereen Mahmood's practice location on file with NPPES is 300 Community Dr, Manhasset, NY 11030-3816.
- What is Shereen Mahmood's phone number?
- The practice phone number listed in the NPPES registry for Shereen Mahmood is (516) 562-0100.
- Does Shereen Mahmood accept Medicare?
- Shereen Mahmood is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Shereen Mahmood's NPI active?
- Yes — Shereen Mahmood's NPI (1447693007) is active in the NPPES registry as of the last update on 2013-04-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.