Sadia Ahmed, MD
NPI 1558525881 · Rheumatology Physician · Williamsville, NY
Enrolled with Medicare as Practitioner - Rheumatology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Sadia Ahmed, MD is a Rheumatology Physician provider in Williamsville, NY (NPI 1558525881).
Provider details
- NPI number
- 1558525881
- Entity type
- Individual
- Primary specialty
- Rheumatology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- Yes
- License
- 259583-1 (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
17 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
399 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 Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 314 | $120 |
| Injection of Drug Or Substance Under Skin Or Into Muscle96372 | 36 | $14 |
| Aspiration And/Or Injection of Fluid From Large Joint20610 | 23 | $67 |
| Injection of Drug Or Substance Into Vein96374 | 15 | $34 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 11 | $148 |
Typical Medicare-allowed amounts for these services range $14–$148 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, 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 · 29 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Hydroxychloroquine Sulfate | 483 | 216 |
| Prednisone | 377 | 161 |
| Methotrexate Sodiumbrand: Methotrexate | 370 | 159 |
| Leflunomide | 107 | 49 |
| Meloxicam | 104 | 48 |
| Tramadol Hcl | 93 | 55 |
| Duloxetine Hcl | 91 | 42 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,730 across 79 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
- 2008-07-16
- Last updated
- 2019-03-11
Frequently asked questions
- What is Sadia Ahmed's NPI number?
- Sadia Ahmed's National Provider Identifier (NPI) is 1558525881, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Sadia Ahmed's specialty?
- Sadia Ahmed is listed in the NPPES registry with a primary specialty of Rheumatology Physician (Allopathic & Osteopathic Physicians).
- Where is Sadia Ahmed located?
- Sadia Ahmed's practice location on file with NPPES is 8207 Main St Ste 7&8, Williamsville, NY 14221-6060.
- What is Sadia Ahmed's phone number?
- The practice phone number listed in the NPPES registry for Sadia Ahmed is (716) 626-4200.
- Does Sadia Ahmed accept Medicare?
- Sadia Ahmed is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Sadia Ahmed's NPI active?
- Yes — Sadia Ahmed's NPI (1558525881) is active in the NPPES registry as of the last update on 2019-03-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.