Ionut Mosteanu, M.D.
NPI 1336300037 · Internal Medicine Physician · Ridgefield, CT
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Ionut Mosteanu, M.D. is a Internal Medicine Physician provider in Ridgefield, CT (NPI 1336300037).
Provider details
- NPI number
- 1336300037
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 049558 (CT)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
17 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
1,716 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 703 | $139 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 483 | $18 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 186 | $142 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 91 | $195 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 73 | $99 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 105 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 790 | 244 |
| Amlodipine Besylate | 346 | 105 |
| Levothyroxine Sodium | 278 | 82 |
| Lisinopril | 273 | 73 |
| Losartan Potassium | 208 | 66 |
| Rosuvastatin Calcium | 193 | 63 |
| Hydrochlorothiazide |
Practice location
Mailing address
Registry dates
- Enumerated
- 2008-06-24
- Last updated
- 2021-04-15
- Certified
- 2021-04-13
Frequently asked questions
- What is Ionut Mosteanu's NPI number?
- Ionut Mosteanu's National Provider Identifier (NPI) is 1336300037, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ionut Mosteanu's specialty?
- Ionut Mosteanu is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Ionut Mosteanu located?
- Ionut Mosteanu's practice location on file with NPPES is 21 South St, Ridgefield, CT 06877-4102.
- What is Ionut Mosteanu's phone number?
- The practice phone number listed in the NPPES registry for Ionut Mosteanu is (203) 438-6541.
- Does Ionut Mosteanu accept Medicare?
- Ionut Mosteanu is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Ionut Mosteanu's NPI active?
- Yes — Ionut Mosteanu's NPI (1336300037) is active in the NPPES registry as of the last update on 2021-04-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.