Eric J. Waffner, M.D.
Internal Medicine Physician · Williamsville, NY
Eric J. Waffner, M.D. is an internal medicine physician with a practice address in Williamsville, New York, and NPI 1942288048, issued on Jan 9, 2006. Check the license (New York 222556, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- Eric J. Waffner
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 222556 NY
Self-reported in NPPES; status is on the state search - Practice location
- 325 Essjay RD, Williamsville, NY 14221
- Phone
- (716) 630-1072
- Enumerated
- Jan 9, 2006
- Record last updated
- Dec 14, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (716) 630-1269
- Medicaid ID
- 02462031 NY
- Medicare enrollment
- Enrolled (PECOS I20040120000162); accepts Medicare assignment
- Medical or professional school
- State University Of New York At Buffalo School Of Medicine, 2000
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 12,067 in New York → Look up another NPI →
Also registered at 325 Essjay RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Fatma Al Bayitee, MDFamily Medicine Physician1932747391
- Manju Alex, MDNephrology Physician1063613719
- Elizabeth Alvarado, LCSWClinical Social Worker1073253704
- Ralph Argen, MDRheumatology Physician1710944590
- Josephine Arnone, NPFamily Nurse Practitioner1437878113
- Alyssa Attardo, PA-CPhysician Assistant1144156613
Verify Eric J. Waffner 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 222556Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
24% more Medicare Part D claims than the average internal medicine physician in 2024
3,931 Medicare Part D claims for 803 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims. 22 claims were for opioids.
Most prescribed
- Atorvastatin Calcium295 claims
- Amlodipine Besylate160 claims
- Metoprolol Succinate157 claims
- Rosuvastatin Calcium153 claims
- Gabapentin140 claims
- Levothyroxine Sodium129 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
- Buffalo Medical Group, P.C.Williamsville, NY
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Eric J. Waffner among 12,067 internal medicine physician records in New York
Eric J. Waffner, M.D. is one of 12,067 internal medicine physician records with a practice address in New York. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 8% of them.
- NPI issued2006 · 8% of these records are older, 53% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 60% of these records are
- Graduated2000 · median 2002 among the 7,221 with a school on file
- Record last updated2021 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
64 internal medicine physician records list a practice address in Williamsville
They are 64 of the 3,530 NPPES records with a practice address in Williamsville, and 12,067 internal medicine physician records in New York.
All 12,067 in New York → Every provider in Williamsville → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- George Burnett, MDWilliamsville, NY 142211679559934
- Jeffrey Burnett, DOWilliamsville, NY 142211346226271
- Lynn Cieslak, M.D.Williamsville, NY 142211518951011
- Peter Elkin, M.D.Williamsville, NY 142211568432656
- Shuman Hua, M.D.Williamsville, NY 142211245219229
- Bonnie McMichael, M.D.Williamsville, NY 142211881692267
- Larisa Meras, M.D.Buffalo, NY 142211962474262
- Margaret Mitchell, M.D.Williamsville, NY 142211477551331
Common questions
What is Eric J. Waffner, M.D.'s NPI number?
Eric J. Waffner, M.D.'s National Provider Identifier (NPI) is 1942288048, issued on Jan 9, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Eric J. Waffner, M.D. located?
The NPPES record lists a practice address at 325 Essjay RD, Williamsville, NY, 14221. Phone: (716) 630-1072. Providers update this record themselves, so call before visiting.
How can I verify Eric J. Waffner, M.D.'s license?
NPPES lists New York license number 222556, 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 Eric J. Waffner, M.D. prescribe under Medicare Part D?
In 2024, Eric J. Waffner, M.D. had 3,931 Medicare Part D claims for 803 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.