Doctor profile · Federal record

Dr. David Gruen, MD

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

  • NPI 1215901327
  • Accepts Medicare
  • MIPS 75.4 / 100 · 2023
  • 14 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
32 Strawberry Hill CT, 2Nd Floor Women's Center
Stamford, CT 069022594
(203) 276-4152

Credentials & registration

NPPES · NUCC
NPI registered
February 2006 — 20 yrs on file
Profile last updated
October 15, 2019
Year of graduation
2012 — 14 yrs since
Specialty taxonomy
2085R0202X — NUCC code
State license (1)
Connecticut #036693

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1215901327. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
2,228
Distinct HCPCS
10
Medicare allowed
$44,495
HCPCS Description Services Patients Avg allowed
Q9967 Low osmolar contrast material, 300-399 mg/ml iodine concentration, per ml 811 11 $0
77063 Screening 3d breast mammography 236 236 $30
77067 Screening mammography 236 236 $38
71046 X-ray of chest, 2 views 157 154 $11
71045 X-ray of chest, 1 view 104 103 $9
77080 Dxa bone density measurement of hip, pelvis, spine 102 102 $10
70450 Ct scan head or brain without contrast 65 64 $41
76642 Limited ultrasound scan of 1 breast 50 48 $43
G0279 Diagnostic digital breast tomosynthesis, unilateral or bilateral (list separately in addition to 77065 or 77066) 43 43 $30
71046 X-ray of chest, 2 views 38 38 $35

In context: peer comparison

Among 6 peers in Stamford Diagnostic Radiology Physician, average services per provider: 132. This provider delivers 17× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$3,599
Transactions
8
Manufacturers
4
Payer (manufacturer) Industry Txns Amount
Ge Healthcare 5 $3,052.79
Leica Microsystems INC. 1 $365.00
Hologic INC 1 $148.87
AstraZeneca Pharmaceuticals Lp 1 $31.87

By nature of payment

Travel and Lodging
$2,692
Food and Beverage
$541
Consulting Fee
$365

Frequently asked questions

Auto-generated from federal data
What is Dr. David Gruen's medical specialty?
Dr. David Gruen practices Diagnostic Radiology Physician in Stamford, CT.
Where does Dr. David Gruen practice?
Dr. David Gruen practices at 32 Strawberry Hill CT, Stamford, CT 069022594. Office phone: 2032764152.
What is Dr. David Gruen's NPI?
Dr. David Gruen's National Provider Identifier (NPI) is 1215901327, issued by NPPES.
Does Dr. David Gruen accept Medicare assignment?
Yes. Dr. David Gruen accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. David Gruen commonly perform?
Top Medicare-reported procedures in 2023: Low osmolar contrast material, 300-399 mg/ml iodine concentration, per ml (HCPCS Q9967); Screening 3d breast mammography (HCPCS 77063); Screening mammography (HCPCS 77067). Source: CMS Medicare Physician & Other Practitioners file.