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Dr. Ionut A. Mosteanu, MD
NPI1336300037PAC ID5890973317
- Medicare services, 2024
- 1,800
- Medicare patients, 2024
- 464
- Part D claims, 2024
- 7,064
- Publications
- 1
- Hospital affiliations
- 1
- Practice address
- 100 Reserve Rd, Danbury, CT 06810
- Practice phone
- Call (203) 739-7742
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Nuvance Health Medical Practice CT, Inc.
Danbury, Connecticut
Find Dr. Mosteanu's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Ionut A. Mosteanu is an internist in Danbury, Connecticut
Dr. Mosteanu practices at Nuvance Health Medical Practice CT, Inc. in Danbury, Connecticut.
Dr. Mosteanu's NPI, 1336300037, was assigned on June 24, 2008. Dr. Mosteanu holds Connecticut license 049558.
NPI and contact details
- NPI
- 1336300037NPI Registry (opens in a new tab)
- Medicare PAC ID
- 5890973317
- NPI enumeration date
- June 24, 2008
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (203) 739-7742
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 47
- Medical school graduation
- 2005
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Ionut A. Mosteanu practices at Nuvance Health Medical Practice CT, Inc. in Danbury, Connecticut
Dr. Mosteanu's primary practice is Nuvance Health Medical Practice CT, Inc., at 100 Reserve Rd, Danbury, CT 06810 in Western Ct County. The practice phone is (203) 739-7742.
- Nuvance Health Medical Practice CT, Inc.100 Reserve Rd, Danbury, CT 06810 · Western Ct CountyPhone(203) 739-7742
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Ionut A. Mosteanu is affiliated with 5 sites of care and 1 medical group
Dr. Mosteanu's primary practice is Nuvance Health Medical Practice CT, Inc. in Danbury, Connecticut. Dr. Mosteanu is also affiliated with Northwell Danbury Hospital. The medical group on file is Danbury Medical Group. Dmand AI also links Dr. Mosteanu to 2 more home health agencies and 1 group practice or clinic, each named with a free account.
Nuvance Health Medical Practice CT, Inc.Primary
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Ionut A. Mosteanu's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Mosteanu practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Nuvance Health Medical Practice CT, Inc. | Available with a free account |
| +4 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Ionut A. Mosteanu is one of 2,189 internists in Connecticut
Internal medicine is Dr. Mosteanu's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Mosteanu is licensed in Connecticut.
Specialties and state licenses
- Internal medicine, ConnecticutPrimary
Internists near Dr. Mosteanu
Counts of internists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Ionut A. Mosteanu billed Medicare for 1,800 services in 2024
CMS data shows 1,800 Medicare services from Dr. Mosteanu across 15 procedure codes in 2024, for 464 Medicare patients. Medicare paid $145,431 for them. Every service was in an office.
Medicare services, 20241,800
Medicare patients464
Paid by Medicare$145,431
Procedure codes15
Dr. Mosteanu's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 8572024: 8671%
- Other services
- 2023: 2832024: 799182%
- Tests and treatments
- 2023: 802024: 13468%
Dr. Mosteanu compared with the Connecticut median for internists, 2024
- Dr. Mosteanu
- Connecticut median
- Medicare services
- 1,800vs 3904.6 times
- Medicare patients
- 464vs 1722.7 times
- Part D claims
- 6,327vs 34318.4 times
Medians across 2,185 internists in Connecticut with Dmand AI profiles that report each measure.
Dr. Mosteanu's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
Need commercial claims for Dr. Mosteanu?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Mosteanu and other internists in Connecticut.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Ionut A. Mosteanu treated 464 Medicare patients in 2024, average age 77
CMS counts 464 Medicare patients who saw Dr. Mosteanu in 2024. The largest group is 75 to 84, with 178 patients. 75% of them have high cholesterol, and 72% have high blood pressure. 10% are also on Medicaid. Their average risk score is 1.12, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Mosteanu's median patient age at 68, with 42% women.
Medicare patients, 2024464
Average age77
Average risk score1.12
Also on Medicaid10%
Dr. Mosteanu's Medicare patients by age, 2024
Dr. Mosteanu's Medicare patients by sex, 2024
- Women23450%
- Men23050%
Chronic conditions among Dr. Mosteanu's Medicare patients, 2024
- High cholesterol75%
- High blood pressure72%
- Arthritis41%
- Ischemic heart disease26%
- Anxiety24%
- Chronic kidney disease23%
- Diabetes21%
- Mood disorders21%
Share of Medicare patients with each condition. A patient can have several.
Dr. Mosteanu's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 68
Patient panel by sex, all payers
- Women42%
- Men55%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Ionut A. Mosteanu wrote 7,064 Medicare Part D claims in 2024
In 2024, Dr. Mosteanu wrote 7,064 Medicare Part D claims for 784 patients. 90% of them were for generic drugs. CMS names the drug for 6,327 of them, across 105 drugs with 11 or more claims each, at $392,486 in total drug cost. In 2023, CMS named 6,513 claims across 115 drugs.
Part D claims, 20247,064
Drugs named by CMS105
Total drug cost$392,486
Part D patients784
Dr. Mosteanu's Part D claims by kind of drug, 2024
- Generic6,370 claims90%
- Brand-name664 claims9%
- Other30 claims0%
Dr. Mosteanu's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Dr. Mosteanu's Part D claims, 2024
- Opioids1%63 of 7,064 claims
- Antibiotics2%134 of 7,064 claims
- Antipsychotics, patients 65 and over0%28 of 7,064 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 6,5132024: 6,3273%
Drugs named by CMS: 105 in 2024, 115 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
Dr. Ionut A. Mosteanu offers telehealth to Medicare patients
Dr. Mosteanu accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Mosteanu as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Ionut A. Mosteanu has 1 publication on record
Dmand AI links 1 paper to Dr. Mosteanu in 2012. Dr. Mosteanu's most frequent co-author is Andrew Keller, MD.
Papers1
Dr. Mosteanu's most frequent co-authors
Recent publications by Dr. Mosteanu
See who Dr. Mosteanu researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Mosteanu works with, so you can find a warm path to the right internists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Ionut A. Mosteanu received $31 in industry payments in 2016
CMS Open Payments shows 2 general payments to Dr. Mosteanu from 2 drug and device companies in 2016. Food and beverage make up the largest share, 100% of the total. Abbvie Inc. paid the most, $16.
Companies that paid Dr. Mosteanu the most, 2016 to 2016
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Ionut A. Mosteanu's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Ionut A. Mosteanu
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Ionut A. Mosteanu's NPI number?
Dr. Ionut A. Mosteanu's NPI number is 1336300037. It was assigned on June 24, 2008, and it is active in the NPI Registry.
What kind of doctor is Dr. Ionut A. Mosteanu?
Dr. Ionut A. Mosteanu is an internist in Danbury, Connecticut. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Ionut A. Mosteanu practice?
Dr. Mosteanu practices at 100 Reserve Rd, Danbury, CT 06810. Dr. Mosteanu's primary practice is Nuvance Health Medical Practice CT, Inc. in Danbury, Connecticut. Dmand AI also links Dr. Mosteanu to 2 home health agencies and 1 group practice or clinic.
What is Dr. Ionut A. Mosteanu's office phone number?
The practice phone on file for Dr. Mosteanu is (203) 739-7742.
What is Dr. Ionut A. Mosteanu's medical license number?
Dr. Mosteanu holds Connecticut license 049558.
Which hospitals is Dr. Ionut A. Mosteanu affiliated with?
Dr. Mosteanu is affiliated with Northwell Danbury Hospital.
What medical group is Dr. Ionut A. Mosteanu part of?
Dr. Mosteanu is linked to Danbury Medical Group.
Does Dr. Ionut A. Mosteanu accept Medicare?
Yes. CMS data shows Dr. Mosteanu billed Medicare for 1,800 services in 2024, and Dr. Mosteanu accepts Medicare assignment.
Does Dr. Ionut A. Mosteanu offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Mosteanu as offering telehealth services.
How many Medicare patients does Dr. Ionut A. Mosteanu see?
CMS counts 464 Medicare patients who saw Dr. Mosteanu in 2024, with an average age of 77.
Show 6 more questionsShow fewer questions
What services does Dr. Ionut A. Mosteanu bill to Medicare?
In 2024, Dr. Mosteanu's most billed Medicare services were office visit, established patient (99214), medicare service (G2211) and medicare service (G0439).
What drugs does Dr. Ionut A. Mosteanu prescribe most?
In 2024 Medicare Part D data, Dr. Mosteanu's most prescribed drugs by claims were Atorvastatin Calcium, Amlodipine Besylate and Levothyroxine Sodium.
Has Dr. Ionut A. Mosteanu received payments from drug or device companies?
CMS Open Payments shows $31 in general payments to Dr. Mosteanu from 2 companies from 2016 to 2016. The largest total came from Abbvie Inc.
How long has Dr. Ionut A. Mosteanu been practicing?
Dr. Mosteanu graduated from medical school in 2005, 21 years ago.
Does Dr. Ionut A. Mosteanu do research?
Dmand AI links 1 publication to Dr. Mosteanu.
Who does Dr. Ionut A. Mosteanu publish with?
Dr. Mosteanu's most frequent co-authors are Andrew Keller, MD (1 shared paper).
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