Doctor profile · Federal record

Dr. John Damianos, MD

Gastroenterology Physician (CMS: Gastroenterology) · Rochester, MN

  • NPI 1265061444
  • Accepts Medicare
  • 6 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
200 1St St Sw
Rochester, MN 559050001
(507) 284-2511
Additional location
20 York Street, Tompkins 226 New Haven, CT
New Haven, CT 065103220
(203) 688-9503

Credentials & registration

NPPES · NUCC
NPI registered
April 2020 — 6 yrs on file
Profile last updated
October 13, 2023
Year of graduation
2020 — 6 yrs since
Specialty taxonomy
207RG0100X — NUCC code
State license (1)
Minnesota #73748

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1265061444. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
23
Distinct HCPCS
1
Medicare allowed
$4,705
HCPCS Description Services Patients Avg allowed
99205 New patient office or other outpatient visit, 60-74 minutes 23 23 $205

In context: peer comparison

Among 60 peers in Rochester Gastroenterology Physician, average services per provider: 34. This provider delivers 0.7× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
266
Patients
14
Total drug cost
$67,543
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 47 14 $705
Albuterol Sulfate Hfa (Albuterol Sulfate) Brand 29 0 $980
Amlodipine Besylate Generic 28 0 $525
Losartan Potassium Generic 24 0 $347
Trulicity (Dulaglutide) Brand 18 0 $21,686
Eliquis (Apixaban) Brand 16 0 $17,381
Rosuvastatin Calcium Generic 16 0 $186
Gabapentin Generic 15 0 $452
Metoprolol Tartrate Generic 15 0 $200
Jardiance (Empagliflozin) Brand 13 0 $11,939

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. John Damianos's medical specialty?
Dr. John Damianos practices Gastroenterology Physician in Rochester, MN.
Where does Dr. John Damianos practice?
Dr. John Damianos practices at 200 1St St Sw, Rochester, MN 559050001. Office phone: 5072842511.
What is Dr. John Damianos's NPI?
Dr. John Damianos's National Provider Identifier (NPI) is 1265061444, issued by NPPES.
Does Dr. John Damianos accept Medicare assignment?
Yes. Dr. John Damianos accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. John Damianos commonly perform?
Top Medicare-reported procedures in 2023: New patient office or other outpatient visit (HCPCS 99205). Source: CMS Medicare Physician & Other Practitioners file.