NPPES file of Aug 9, 2026

Sadia Nafees Ahmed, MD

Rheumatology Physician · Williamsville, NY

Sadia Nafees Ahmed, MD is a rheumatology physician with a practice address in Williamsville, New York, and NPI 1558525881, issued on Jul 16, 2008. Check the license (New York 259583-1, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1558525881
Name
Sadia Nafees Ahmed
Credential
MD
Primary taxonomy
Rheumatology Physician 207RR0500X
License number
259583-1 NY
Self-reported in NPPES; status is on the state search
Practice location
8207 Main St Ste 7&8, Williamsville, NY 14221
Phone
(716) 626-4200
Enumerated
Jul 16, 2008
Record last updated
Mar 11, 2019 (not updated in 7 years: call before relying on the address or phone)
Fax
(716) 626-4201
Medicare enrollment
Enrolled (PECOS I20110408000044); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 8207 Main St Ste 7&8

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Adelia Sazonov, D.O.Psychiatry Physician1871930701

Verify Sadia Nafees Ahmed in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersNYS Education Department, Office of the Professions
    Search for license 259583-1
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the New York license search

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28% more Medicare Part D claims than the average rheumatology physician in 2024

2,536 Medicare Part D claims for 654 beneficiaries, against an average of 1,978 among the 6,301 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims. 131 claims were for opioids.

  1. Sadia Ahmed2,536
  2. Specialty average1,978

Most prescribed

  1. Hydroxychloroquine Sulfate483 claims
  2. Prednisone377 claims
  3. Methotrexate370 claims
  4. Leflunomide107 claims
  5. Meloxicam104 claims
  6. Tramadol Hcl93 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Industry payments in 2024: $1,730.01

79 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. The 4,486 providers of this specialty with any payment received $8,538.33 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Sadia Ahmed$1,730.01
  2. Specialty average$8,538.33

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through one group practice

  1. Ahmed And Ahmed Physicians PCWilliamsville, NY

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Rheumatology Physician providers in New York

There are 599 rheumatology physician records in New York.

Other rheumatology physician records in New York

  1. Mary Abdulky, MDSyracuse, NY1821060153
  2. Ilana Abeles, M.D., PHDRochester, NY1770963464
  3. Jihad Abialmouna, M.D.West Amherst, NY1396793782
  4. Omar Abialmouna, MDBuffalo, NY1518527092
  5. Tobin Abraham, M.D.Hewlett, NY1649683889
  6. Irina Abramova, D.ONew Hyde Park, NY1174881551
  7. Steven Abramson, MDNew York, NY1144294687
  8. Adriana Abrudescu, MDJamaica, NY1194812933
  9. Muhamed Abubacker, MBBS, MDBronx, NY1639675424
  10. Donna Acquafredda, M.D.Staten Island, NY1720072481

Common questions

What is Sadia Nafees Ahmed, MD's NPI number?

Sadia Nafees Ahmed, MD's National Provider Identifier (NPI) is 1558525881, issued on Jul 16, 2008. An NPI identifies a provider in billing; it is not a license.

Where is Sadia Nafees Ahmed, MD located?

The NPPES record lists a practice address at 8207 Main St Ste 7&8, Williamsville, NY, 14221. Phone: (716) 626-4200. Providers update this record themselves, so call before visiting.

How can I verify Sadia Nafees Ahmed, MD's license?

NPPES lists New York license number 259583-1, as entered by the provider. Search the NYS Education Department, Office of the Professions at https://www.op.nysed.gov/services/verifications/online-verification-searches. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Sadia Nafees Ahmed, MD prescribe under Medicare Part D?

In 2024, Sadia Nafees Ahmed, MD had 2,536 Medicare Part D claims for 654 beneficiaries; the average among rheumatology physician prescribers was 1,978. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.