Doctor profile · Federal record

Dr. Alan Antfleck, M.D.

Internal Medicine Physician (CMS: Internal Medicine) · Kenmore, NY

  • NPI 1154365559
  • Accepts Medicare
  • 40 yrs in practice
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
3800 Delaware Ave, Suite 102
Kenmore, NY 142171094
(716) 551-1970
fax (716) 783-8557

Credentials & registration

NPPES · NUCC
NPI registered
June 2006 — 20 yrs on file
Profile last updated
August 17, 2012
Year of graduation
1986 — 40 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
New York #237938

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1154365559. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
40
Distinct HCPCS
2
Medicare allowed
$4,282
HCPCS Description Services Patients Avg allowed
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 22 22 $124
99213 Established patient office or other outpatient visit, 20-29 minutes 18 12 $87

In context: peer comparison

Among 3 peers in this city , average services per provider: 100. This provider delivers 0.4× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$2,486
Transactions
49
Manufacturers
15
Payer (manufacturer) Industry Txns Amount
AstraZeneca Pharmaceuticals LP 12 $829.29
Phathom Pharmaceuticals, Inc. 4 $490.74
Novo Nordisk Inc 9 $214.61
Amgen Inc. 5 $161.74
CVRx, Inc. 1 $144.74
Paratek Pharmaceuticals, Inc. 2 $144.39
Boehringer Ingelheim Pharmaceuticals, Inc. 1 $124.99
Boston Scientific Corporation 1 $112.67
PFIZER INC. 3 $50.64
Sumitomo Pharma America, Inc. 3 $48.51
ABBVIE INC. 2 $43.60
Lilly USA, LLC 2 $34.55
IDORSIA PHARMACEUTICALS US INC 2 $32.59
Hologic Sales and Service, LLC 1 $23.67
Medtronic, Inc. 1 $15.84

By nature of payment

Food and Beverage
$2,486

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,002
Patients
161
Total drug cost
$23,814
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 174 43 $3,394
Amlodipine Besylate Generic 109 21 $1,041
Levothyroxine Sodium Generic 97 19 $1,699
Rosuvastatin Calcium Generic 86 24 $2,830
Omeprazole Generic 74 13 $772
Ezetimibe Generic 69 17 $2,869
Pravastatin Sodium Generic 58 12 $1,137
Gabapentin Generic 53 0 $1,151
Allopurinol Generic 48 0 $797
Lisinopril Generic 43 12 $640

Frequently asked questions

Auto-generated from federal data
What is Dr. Alan Antfleck's medical specialty?
Dr. Alan Antfleck practices Internal Medicine Physician in Kenmore, NY.
Where does Dr. Alan Antfleck practice?
Dr. Alan Antfleck practices at 3800 Delaware Ave, Kenmore, NY 142171094. Office phone: 7165511970.
What is Dr. Alan Antfleck's NPI?
Dr. Alan Antfleck's National Provider Identifier (NPI) is 1154365559, issued by NPPES.
Does Dr. Alan Antfleck accept Medicare assignment?
Yes. Dr. Alan Antfleck accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Alan Antfleck commonly perform?
Top Medicare-reported procedures in 2023: Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (HCPCS G0439); Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.