MIRCEA SILVIU TAMASDAN MD
NPI 1386821015
Internal Medicine in Lebanon, NH
About Mircea Silviu Tamasdan Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MIRCEA SILVIU TAMASDAN MD (NPI 1386821015) is an individual internal medicine provider in Lebanon, New Hampshire, licensed in Connecticut (50694) and active in the NPI registry since January 2008. He is enrolled in Medicare PECOS and is a graduate of Other (1994).
NPPES Registry Identity
Specialties & Licenses
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
Mircea Silviu Tamasdan 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 Reassignments
4Medicare enrollment records show Mircea Tamasdan reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Hartford, CT 06106
- Reassigned Medicare billing, Connecticut enrollment
- 1,921 clinicians in this Medicare group
Torrington, CT 06790
- Reassigned Medicare billing, Connecticut enrollment
- 288 clinicians in this Medicare group
Wallingford, CT 06492
- Reassigned Medicare billing, Connecticut enrollment
- 84 clinicians in this Medicare group
New Haven, CT 06519
- Reassigned Medicare billing, Connecticut enrollment
- Medicare enrollment name: Northeast Medical Group Inc
- 1,824 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 3
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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 03766 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.
Other Providers at the Same Location NPPES 10
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
LEBANON, NH 03766
LEBANON, NH 03766
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 Mircea Tamasdan's NPI number?
The NPI number for Mircea Tamasdan is 1386821015. It was assigned to this individual provider in the NPPES registry on January 24, 2008.
Where is Mircea Tamasdan located?
Mircea Tamasdan practices at 125 Mascoma St, Lebanon, NH 03766. The listed phone number is (603) 448-3121.
What is Mircea Tamasdan's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Mircea Tamasdan enrolled in Medicare?
Yes. Mircea Tamasdan 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 organizations bill Medicare for Mircea Tamasdan's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Mircea Tamasdan reassigns Medicare benefits to 4 organizations: Hartford Healthcare Medical Group Specialists, PLLC (Hartford, CT), Neighborhood Health, Inc. (Torrington, CT), Gaylord Hospital, Inc. (Wallingford, CT) and Mill Hill Medical Consultants Inc (New Haven, CT). Each 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 Mircea Tamasdan's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Mircea Tamasdan was last updated on January 31, 2017. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.
# Mircea Silviu Tamasdan, MD · NPI 1386821015
Internal Medicine physician in Lebanon, New Hampshire. Individual provider, active in the CMS NPPES registry since January 24, 2008.
## Identity
- **NPI:** 1386821015 (Entity type: Individual)
- **Enumerated:** January 24, 2008
- **Primary specialty:** Internal Medicine · taxonomy 207R00000X
- **State license:** 50694 (Connecticut)
- **Sole proprietor:** No
## Practice location
- **Address:** 125 MASCOMA ST, Lebanon, NH 03766-2647
- **Phone:** (603) 448-3121
## 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:** 4 organizations under Medicare reassignment (form CMS-855R): Hartford Healthcare Medical Group Specialists, PLLC (NPI 1023584216, Hartford, CT); Neighborhood Health, Inc. (NPI 1043544489, Torrington, CT); Gaylord Hospital, Inc. (NPI 1730137753, Wallingford, CT); Mill Hill Medical Consultants Inc (NPI 1891019675, New Haven, CT) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 1994
## Record status
- **NPPES last updated:** January 31, 2017
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Source: [NPI Profile](https://npiprofile.com/npi/1386821015) · Data from the CMS NPPES public registry.