Alan Martin Antfleck, M.D.
Internal Medicine Physician · Kenmore, NY
Alan Martin Antfleck, M.D. is an internal medicine physician with a practice address in Kenmore, New York, and NPI 1154365559, issued on Jun 15, 2006. Check the license (New York 237938, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- Alan Martin Antfleck
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 237938 NY
Self-reported in NPPES; status is on the state search - Practice location
- 3800 Delaware Ave, Kenmore, NY 14217
- Phone
- (716) 551-1970
- Enumerated
- Jun 15, 2006
- Record last updated
- Aug 17, 2012 (not updated in 14 years: call before relying on the address or phone)
- Fax
- (716) 783-8557
- Medicare enrollment
- Enrolled (PECOS I20060202000083); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 12,067 in New York → Look up another NPI →
Also registered at 3800 Delaware Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Susan Eluard, MDInternal Medicine Physician1841639168
- George Haddad, MDInternal Medicine Physician1154488351
- David Lillie, M.D.Specialist1952306201
Verify Alan Martin Antfleck 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 237938Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
45% fewer Medicare Part D claims than the average internal medicine physician in 2024
1,743 Medicare Part D claims for 104 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. 53 claims were for opioids.
Most prescribed
- Atorvastatin Calcium174 claims
- Amlodipine Besylate107 claims
- Rosuvastatin Calcium100 claims
- Levothyroxine Sodium89 claims
- Ezetimibe77 claims
- Lisinopril57 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: $2,486.05
50 payments; by number, the most common kind was food and beverage; the largest payer was AstraZeneca Pharmaceuticals LP. The 50,334 providers of this specialty with any payment received $1,303.06 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Alan Martin Antfleck among 12,067 internal medicine physician records in New York
Alan Martin Antfleck, 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
- Graduated1986 · median 2002 among the 7,221 with a school on file
- Record last updated2012 · 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).
9 internal medicine physician records list a practice address in Kenmore
They are 9 of the 974 NPPES records with a practice address in Kenmore, and 12,067 internal medicine physician records in New York.
All 12,067 in New York → Every provider in Kenmore → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Hanaw Adham, M.D.Kenmore, NY 142171427112291
- Richard Carlson Jr, MDTonawanda, NY 142171740246735
- Alain Eluard, MDKenmore, NY 142171710941661
- Susan Eluard, MDKenmore, NY 142171841639168
- George Haddad, MDKenmore, NY 142171154488351
- Rajiv Jain, MDTonawanda, NY 142171568436004
- David Serra, M.D.Kenmore, NY 142171912938390
- Unknown Zulkharnain, MDKenmore, NY 142171124195649
Common questions
What is Alan Martin Antfleck, M.D.'s NPI number?
Alan Martin Antfleck, M.D.'s National Provider Identifier (NPI) is 1154365559, issued on Jun 15, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Alan Martin Antfleck, M.D. located?
The NPPES record lists a practice address at 3800 Delaware Ave, Kenmore, NY, 14217. Phone: (716) 551-1970. Providers update this record themselves, so call before visiting.
How can I verify Alan Martin Antfleck, M.D.'s license?
NPPES lists New York license number 237938, 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 Alan Martin Antfleck, M.D. prescribe under Medicare Part D?
In 2024, Alan Martin Antfleck, M.D. had 1,743 Medicare Part D claims for 104 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.