GEORGE NICHOLAS WELCH MD
NPI 1144258336
Internal Medicine - Cardiovascular Disease in Portland, ME
About George Nicholas Welch Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
GEORGE NICHOLAS WELCH MD (NPI 1144258336) is an individual cardiovascular disease provider in Portland, Maine, licensed in Maine (014710) and active in the NPI registry since June 2006. He is enrolled in Medicare PECOS, is affiliated with Madison Parish Hospital, and maintains 3 additional practice locations.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Locations 3
Other Identifiers 2
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
George Nicholas Welch 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
20Medicare enrollment records show George Welch reassigns Medicare billing to 20 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Portland, ME 04104
- Reassigned Medicare billing, Maine enrollment
- 153 clinicians in this Medicare group
Bristol, RI 02809
- Reassigned Medicare billing, New York enrollment
- 188 clinicians in this Medicare group
Freeport, NY 11520
- Reassigned Medicare billing, New York enrollment
- Medicare enrollment name: Western Nassau Diagnostic Imaging Services PC
- 24 clinicians in this Medicare group
New York, NY 10019
- Reassigned Medicare billing, Maine enrollment
New York, NY 10019
- Reassigned Medicare billing, Connecticut, Maryland and New York enrollments
- Medicare enrollment name: Jeffrey D Wessler MD PC
- 3 clinicians in this Medicare group
Brooklyn, NY 11229
- Reassigned Medicare billing, New York enrollment
- 23 clinicians in this Medicare group
Hunt Valley, MD 21031
- Reassigned Medicare billing, Alabama, Florida, Maryland, Maine, North Carolina, New Jersey, South Carolina, Tennessee, Texas, Vermont, New Hampshire and New York enrollments
- Also billed through NPI 1932376233 (New York)
- 9 clinicians in this Medicare group
Windsor Mill, MD 21244
- Reassigned Medicare billing, Florida, North Carolina, Tennessee and Texas enrollments
- 12 clinicians in this Medicare group
Grundy, VA 24614
- Reassigned Medicare billing, Virginia enrollment
- 16 clinicians in this Medicare group
Pikeville, KY 41501
- Reassigned Medicare billing, Kentucky enrollment
- 579 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 5
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 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Madison Parish Hospital
Critical Access Hospitals · Tallulah, LABuchanan General Hospital
Acute Care Hospitals · Grundy, VAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 04103 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 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
PORTLAND, ME 04103
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 George Welch's NPI number?
The NPI number for George Welch is 1144258336. It was assigned to this individual provider in the NPPES registry on June 28, 2006.
Where is George Welch located?
George Welch practices at 331 Veranda St, Portland, ME 04103. The listed phone number is (207) 828-2402.
What is George Welch's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Cardiovascular Disease, with taxonomy code 207RC0000X.
Is George Welch enrolled in Medicare?
Yes. George Welch 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 George Welch's services?
According to the CMS Revalidation Reassignment List (October 2026 release), George Welch reassigns Medicare benefits to 20 organizations: Martin's Point Health Care, Inc. (Portland, ME), Infinite Medical PC (Bristol, RI), Western Nassau Diagnostic Imaging Services P.C. (Freeport, NY), Heartbeat Medical Group PC (New York, NY), Jeffrey D. Wessler, M.D., P.C. (New York, NY) and 15 more organizations, listed in the Medicare section above. 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 George Welch's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does George Welch accept?
Health plans from Blue Cross and Blue Shield of Oklahoma, CareSource, HMO Louisiana, Taro Health and Wellmark Health Plan of Iowa, Inc. list George Welch 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 George Welch affiliated with any hospitals?
According to CMS data, George Welch is affiliated with Madison Parish Hospital and Buchanan General Hospital.
When was this NPI record last updated?
The NPPES record for George Welch was last updated on December 5, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 months 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.
# George Nicholas Welch, MD · NPI 1144258336
Cardiovascular Disease physician in Portland, Maine. Individual provider, active in the CMS NPPES registry since June 28, 2006.
## Identity
- **NPI:** 1144258336 (Entity type: Individual)
- **Enumerated:** June 28, 2006
- **Primary specialty:** Internal Medicine - Cardiovascular Disease · taxonomy 207RC0000X
- **State license:** 014710 (Maine)
- **Sole proprietor:** No
## Practice location
- **Address:** 331 VERANDA ST, Portland, ME 04103-5545
- **Phone:** (207) 828-2402
## 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:** 20 organizations under Medicare reassignment (form CMS-855R): Martin's Point Health Care, Inc. (NPI 1366474611, Portland, ME); Infinite Medical PC (NPI 1407483175, Bristol, RI); Western Nassau Diagnostic Imaging Services P.C. (NPI 1033145289, Freeport, NY); Heartbeat Medical Group PC (NPI 1346914280, New York, NY); Jeffrey D. Wessler, M.D., P.C. (NPI 1902318603, New York, NY); and 15 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 1991
## Record status
- **NPPES last updated:** December 5, 2025
- **Other identifiers:** Medicaid 270550099 (ME); Other 030543
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Source: [NPI Profile](https://npiprofile.com/npi/1144258336) · Data from the CMS NPPES public registry.