Doctor profile · Federal record

Dr. Jan Novak, MD

Gastroenterology Physician (CMS: Gastroenterology) · Buffalo, NY

  • NPI 1427096239
  • Accepts Medicare
  • 56 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
462 Grider St
Buffalo, NY 142153021
(716) 898-3391

Credentials & registration

NPPES · NUCC
NPI registered
June 2006 — 20 yrs on file
Profile last updated
November 23, 2011
Year of graduation
1970 — 56 yrs since
Specialty taxonomy
207RG0100X — NUCC code
State license (1)
New York #109754
Medicaid
NY #00626811

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1427096239. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
33
Distinct HCPCS
1
Medicare allowed
$2,880
HCPCS Description Services Patients Avg allowed
99213 Established patient office or other outpatient visit, 20-29 minutes 33 12 $87

In context: peer comparison

Among 9 peers in this city , average services per provider: 45. This provider delivers 0.7× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$1,561
Transactions
2
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
CALLIDITAS THERAPEUTICS US INC. 2 $1,561.36

By nature of payment

Travel and Lodging
$1,201
Food and Beverage
$360

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
86
Patients
0
Total drug cost
$15,458
Drug Type Claims Patients Total cost
Famotidine Generic 32 0 $230
Loperamide (Loperamide Hcl) Brand 21 0 $1,493
Mesalamine Generic 20 0 $13,547
Omeprazole Generic 13 0 $188

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Jan Novak's medical specialty?
Dr. Jan Novak practices Gastroenterology Physician in Buffalo, NY.
Where does Dr. Jan Novak practice?
Dr. Jan Novak practices at 462 Grider St, Buffalo, NY 142153021. Office phone: 7168983391.
What is Dr. Jan Novak's NPI?
Dr. Jan Novak's National Provider Identifier (NPI) is 1427096239, issued by NPPES.
Does Dr. Jan Novak accept Medicare assignment?
Yes. Dr. Jan Novak accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Jan Novak commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.