COSMIN D IONESCU MD
NPI 1861651523
Internal Medicine in Concord, NH
About Cosmin D Ionescu Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
COSMIN D IONESCU MD (NPI 1861651523) is an individual internal medicine provider in Concord, New Hampshire, licensed in New Hampshire (13965) and active in the NPI registry since June 2008. He is enrolled in Medicare PECOS, is affiliated with Concord Hospital, and is a graduate of Other (1999).
NPPES Registry Identity
Specialties & Licenses
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Cosmin D Ionescu Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignment
Medicare enrollment records show Cosmin Ionescu reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Concord, NH 03301
- Reassigned Medicare billing, New Hampshire enrollment
- 636 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 9
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare 5
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Concord Hospital
Acute Care Hospitals · Concord, NHMary Hitchcock Memorial Hospital
Acute Care Hospitals · Lebanon, NHConcord Hospital- Laconia
Acute Care Hospitals · Laconia, NHElliot Hospital
Acute Care Hospitals · Manchester, NHConcord Hospital- Franklin
Critical Access Hospitals · Franklin, NHPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 03301 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Referred Medical Equipment & Supplies CMS DME claims 5
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
CONCORD, NH 03301
CONCORD, NH 03301
CONCORD, NH 03301
CONCORD, NH 03301
CONCORD, NH 03301
CONCORD, NH 03301
CONCORD, NH 03301
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Cosmin Ionescu's NPI number?
The NPI number for Cosmin Ionescu is 1861651523. It was assigned to this individual provider in the NPPES registry on June 6, 2008.
Where is Cosmin Ionescu located?
Cosmin Ionescu practices at 246 Pleasant St. Memorial Building, West, Floor 2, Concord, NH 03301. The listed phone number is (603) 224-4003.
What is Cosmin Ionescu's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Cosmin Ionescu enrolled in Medicare?
Yes. Cosmin Ionescu is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organization bills Medicare for Cosmin Ionescu's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Cosmin Ionescu reassigns Medicare benefits to Concord Hospital, Inc. (Concord, NH). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Cosmin Ionescu's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Cosmin Ionescu accept?
Health plans from Ambetter from NH Healthy Families, Anthem Blue Cross and Blue Shield, Harvard Pilgrim Health Care and WellSense Health Plan list Cosmin Ionescu as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
Is Cosmin Ionescu affiliated with any hospitals?
According to CMS data, Cosmin Ionescu is affiliated with Concord Hospital, Mary Hitchcock Memorial Hospital, Concord Hospital- Laconia, Elliot Hospital and Concord Hospital- Franklin.
When was this NPI record last updated?
The NPPES record for Cosmin Ionescu was last updated on June 23, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Cosmin D Ionescu, MD · NPI 1861651523
Internal Medicine physician in Concord, New Hampshire. Individual provider, active in the CMS NPPES registry since June 6, 2008.
## Identity
- **NPI:** 1861651523 (Entity type: Individual)
- **Enumerated:** June 6, 2008
- **Primary specialty:** Internal Medicine · taxonomy 207R00000X
- **State license:** 13965 (New Hampshire)
- **Sole proprietor:** No
## Practice location
- **Address:** 246 PLEASANT ST., MEMORIAL BUILDING, WEST, FLOOR 2, Concord, NH 03301-2548
- **Phone:** (603) 224-4003 · **Fax:** (603) 227-7526
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** Concord Hospital, Inc. (NPI 1194778571, Concord, NH), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 1999
## Record status
- **NPPES last updated:** June 23, 2020
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Source: [NPI Profile](https://npiprofile.com/npi/1861651523) · Data from the CMS NPPES public registry.