Zachary B. Wikerd, M.D.
Geriatric Medicine (Internal Medicine) Physician · Buffalo, NY
Zachary B. Wikerd, M.D. is a geriatric medicine (internal medicine) physician with a practice address in Buffalo, New York, and NPI 1245689140, issued on Jun 10, 2016. Check the license (New York 301687, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- Zachary B. Wikerd
- Credential
- M.D.
- Primary taxonomy
- Geriatric Medicine (Internal Medicine) Physician 207RG0300X
- License number
- 301687 NY
Self-reported in NPPES; status is on the state search - Practice location
- 462 Grider St, Buffalo, NY 14215
- Phone
- (716) 898-3000
- Enumerated
- Jun 10, 2016
- Record last updated
- Jan 20, 2022
- Medicare enrollment
- Enrolled (PECOS I20200513000718); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest geriatric medicine (internal medicine) physician records → All 508 in New York → Look up another NPI →
Also registered at 462 Grider St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Saddam Abbadi, DOStudent in an Organized Health Care Education/Training Program1386494631
- Sharif Abbas, M.D.Student in an Organized Health Care Education/Training Program1376336792
- Sarah Abdelsayed, MDFamily Medicine Physician1093065138
- Elias Abou-Jaoude, MDInternal Medicine Physician1457932519
- Alexandra Abraham, RD CDNRegistered Dietitian1295165587
- Michael Abrams, PTPhysical Therapist1841355773
Verify Zachary B. Wikerd in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNYS Education Department, Office of the Professions
Search for license 301687Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
98% fewer Medicare Part D claims than the average geriatric medicine (internal medicine) physician in 2024
92 Medicare Part D claims for 41 beneficiaries, against an average of 4,246 among the 3,116 providers of this specialty who prescribed in Part D.
Most prescribed
- Levetiracetam11 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.
Bills Medicare through one group practice
- Academic Medicine Services, Inc.Buffalo, NY
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Zachary B. Wikerd among 508 geriatric medicine (internal medicine) physician records in New York
Zachary B. Wikerd, M.D. is one of 508 geriatric medicine (internal medicine) physician records with a practice address in New York. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2016, is newer than 86% of them.
- NPI issued2016 · 86% of these records are older, 12% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 54% of these records are
- Graduated2016 · median 1998 among the 272 with a school on file
- Record last updated2022 · 68% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RG0300X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Geriatric Medicine (Internal Medicine) Physician providers in New York
There are 508 geriatric medicine (internal medicine) physician records in New York.
All 508 in New York → Every provider in Buffalo → Geriatric Medicine (Internal Medicine) Physician nationwide →
The 8 geriatric medicine (internal medicine) physician records with the nearest ZIP codes
- Jacqueline Levitt, M.D.Buffalo, NY 142151518957463
- Brian Macdonald, M.D., PH.D.Buffalo, NY 142151356705883
- Sarah Sadek, M.DBuffalo, NY 142151669960704
- Ma. Charito Saludades, MDBuffalo, NY 142151811908932
- Bilal Shoaib, MBBSBuffalo, NY 142151083280200
- Bruce Troen, MDBuffalo, NY 142151902860067
- Anisha Pahwa, M.D.Buffalo, NY 142141730534660
- Calogero Ippolito, MDBuffalo, NY 142131205803509
Common questions
What is Zachary B. Wikerd, M.D.'s NPI number?
Zachary B. Wikerd, M.D.'s National Provider Identifier (NPI) is 1245689140, issued on Jun 10, 2016. An NPI identifies a provider in billing; it is not a license.
Where is Zachary B. Wikerd, M.D. located?
The NPPES record lists a practice address at 462 Grider St, Buffalo, NY, 14215. Phone: (716) 898-3000. Providers update this record themselves, so call before visiting.
How can I verify Zachary B. Wikerd, M.D.'s license?
NPPES lists New York license number 301687, 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 Zachary B. Wikerd, M.D. prescribe under Medicare Part D?
In 2024, Zachary B. Wikerd, M.D. had 92 Medicare Part D claims for 41 beneficiaries; the average among geriatric medicine (internal medicine) physician prescribers was 4,246. 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.