Doctor profile · Federal record

Dr. John Kunstman, MD

Surgical Oncology Physician (CMS: Surgical Oncology) · New Haven, CT

  • NPI 1265666184
  • Accepts Medicare
  • MIPS 71.7 / 100 · 2023
  • 17 yrs in practice
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
20 York St # T-209, Yale-New Haven Hospital
New Haven, CT 065103220
(203) 688-2259
fax (203) 688-5599

Credentials & registration

NPPES · NUCC
NPI registered
May 2009 — 17 yrs on file
Profile last updated
August 29, 2018
Year of graduation
2009 — 17 yrs since
Specialty taxonomy
2086X0206X — NUCC code
State license (1)
Connecticut #61821

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1265666184. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
44
Distinct HCPCS
3
Medicare allowed
$5,929
HCPCS Description Services Patients Avg allowed
99215 Established patient office or other outpatient visit, 40-54 minutes 18 17 $151
99204 New patient office or other outpatient visit, 45-59 minutes 14 14 $141
99214 Established patient office or other outpatient visit, 30-39 minutes 12 12 $103

In context: peer comparison

Among 4 peers in New Haven Surgical Oncology Physician, average services per provider: 19. This provider delivers 2.3× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
59
Patients
0
Total drug cost
$47,859
Drug Type Claims Patients Total cost
Creon (Lipase/Protease/Amylase) Brand 34 0 $47,475
Pantoprazole Sodium Generic 25 0 $384

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. John Kunstman's medical specialty?
Dr. John Kunstman practices Surgical Oncology Physician in New Haven, CT.
Where does Dr. John Kunstman practice?
Dr. John Kunstman practices at 20 York St # T-209, New Haven, CT 065103220. Office phone: 2036882259.
What is Dr. John Kunstman's NPI?
Dr. John Kunstman's National Provider Identifier (NPI) is 1265666184, issued by NPPES.
Does Dr. John Kunstman accept Medicare assignment?
Yes. Dr. John Kunstman accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. John Kunstman commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99215); New patient office or other outpatient visit (HCPCS 99204); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.