Doctor profile · Federal record

Dr. Kristan Zimmermann, M.D.

Diagnostic Radiology Physician (CMS: Diagnostic Radiology) · Stamford, CT

  • NPI 1306892286
  • Accepts Medicare
  • MIPS 100.0 / 100 · 2023
  • 40 yrs in practice
  • Female
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
6 Shelburne RD
Stamford, CT 069023628
(203) 359-0130
Mailing address
6 Nawthorne RD
Old Greenwich, CT 068702116

Credentials & registration

NPPES · NUCC
NPI registered
May 2006 — 20 yrs on file
Profile last updated
August 24, 2011
Year of graduation
1986 — 40 yrs since
Specialty taxonomy
2085R0202X — NUCC code
State license (1)
Connecticut #031814

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1306892286. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,898
Distinct HCPCS
10
Medicare allowed
$84,956
HCPCS Description Services Patients Avg allowed
77067 Screening mammography 526 526 $41
77063 Screening 3d breast mammography 525 525 $33
76641 Complete ultrasound scan of 1 breast 172 170 $57
77065 Diagnostic mammography of 1 breast 165 147 $43
G0279 Diagnostic digital breast tomosynthesis, unilateral or bilateral (list separately in addition to 77065 or 77066) 119 112 $33
76642 Limited ultrasound scan of 1 breast 89 85 $41
77066 Diagnostic mammography of both breasts 58 57 $53
77049 Mri scan of both breasts 35 35 $124
77063 Screening 3d breast mammography 31 31 $33
77067 Screening mammography 31 31 $41

In context: peer comparison

Among 6 peers in this city , average services per provider: 132. This provider delivers 14× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. Kristan Zimmermann's medical specialty?
Dr. Kristan Zimmermann practices Diagnostic Radiology Physician in Stamford, CT.
Where does Dr. Kristan Zimmermann practice?
Dr. Kristan Zimmermann practices at 6 Shelburne RD, Stamford, CT 069023628. Office phone: 2033590130.
What is Dr. Kristan Zimmermann's NPI?
Dr. Kristan Zimmermann's National Provider Identifier (NPI) is 1306892286, issued by NPPES.
Does Dr. Kristan Zimmermann accept Medicare assignment?
Yes. Dr. Kristan Zimmermann accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Kristan Zimmermann commonly perform?
Top Medicare-reported procedures in 2023: Screening mammography (HCPCS 77067); Screening 3d breast mammography (HCPCS 77063); Complete ultrasound scan of 1 breast (HCPCS 76641). Source: CMS Medicare Physician & Other Practitioners file.