Doctor profile · Federal record

Dr. Ionut Mosteanu, M.D.

Internal Medicine Physician (CMS: Internal Medicine) · Ridgefield, CT

  • NPI 1336300037
  • Accepts Medicare
  • MIPS 89.1 / 100 · 2023
  • 21 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
21 South St
Ridgefield, CT 068774102
(203) 438-6541
fax (203) 431-0947

Credentials & registration

NPPES · NUCC
NPI registered
June 2008 — 18 yrs on file
Profile last updated
April 15, 2021
Year of graduation
2005 — 21 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
Connecticut #049558

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1336300037. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,220
Distinct HCPCS
10
Medicare allowed
$159,689
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 699 364 $137
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 178 178 $139
99213 Established patient office or other outpatient visit, 20-29 minutes 76 73 $97
99215 Established patient office or other outpatient visit, 40-54 minutes 52 42 $190
G0180 Physician or allowed practitioner certification for medicare-covered home health services under a home health plan of care (patient not present), including contacts with home health agency and review of reports of patient status required by physicians and 46 39 $56
93000 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report 32 29 $16
G0008 Administration of influenza virus vaccine 27 27 $33
90662 Influenza vaccine split virus, preservative free 26 26 $72
90677 Pneumococcal conjugate vaccine, 20 valent (pcv20), for intramuscular use 22 22 $282
G0009 Administration of pneumococcal vaccine 21 21 $33

In context: peer comparison

Among 2 peers in Ridgefield Internal Medicine Physician, average services per provider: 83. This provider delivers 15× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
3,415
Patients
1,026
Total drug cost
$43,974
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 753 228 $9,214
Amlodipine Besylate Generic 349 109 $2,584
Lisinopril Generic 304 79 $2,737
Levothyroxine Sodium Generic 288 79 $4,619
Hydrochlorothiazide Generic 225 75 $1,307
Losartan Potassium Generic 210 69 $3,732
Metformin Hcl Generic 190 61 $2,009
Metoprolol Succinate Generic 165 48 $3,547
Rosuvastatin Calcium Generic 163 51 $2,700
Pantoprazole Sodium Generic 154 50 $2,439

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Ionut Mosteanu's medical specialty?
Dr. Ionut Mosteanu practices Internal Medicine Physician in Ridgefield, CT.
Where does Dr. Ionut Mosteanu practice?
Dr. Ionut Mosteanu practices at 21 South St, Ridgefield, CT 068774102. Office phone: 2034386541.
What is Dr. Ionut Mosteanu's NPI?
Dr. Ionut Mosteanu's National Provider Identifier (NPI) is 1336300037, issued by NPPES.
Does Dr. Ionut Mosteanu accept Medicare assignment?
Yes. Dr. Ionut Mosteanu accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Ionut Mosteanu commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (HCPCS G0439); Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.