DR. JOHN G CARSON M.D.
NPI 1871507228
Surgery - Vascular Surgery in Scarborough, ME
About Dr. John G Carson M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. JOHN G CARSON M.D. (NPI 1871507228) is an individual vascular surgery provider in Scarborough, Maine, licensed in Maine (MD21625) and active in the NPI registry since July 2006. He is enrolled in Medicare PECOS, is affiliated with Maine Medical Center, and is a graduate of University Of Texas Medical School At Houston (2002).
NPPES Registry Identity
Specialties & Licenses 2
Other Identifiers 1
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
Dr. John G Carson M.d. 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
7Medicare enrollment records show John Carson reassigns Medicare billing to 7 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Scarborough, ME 04074
- Reassigned Medicare billing, Maine enrollment
- 264 clinicians in this Medicare group
Scarborough, ME 04074
- Reassigned Medicare billing, Maine enrollment
- Medicare enrollment name: Mainehealth
- 3,140 clinicians in this Medicare group
Lewiston, ME 04240
- Reassigned Medicare billing, Maine enrollment
- 920 clinicians in this Medicare group
Lewiston, ME 04240
- Reassigned Medicare billing, Maine enrollment
- Medicare enrollment name: St Marys Regional Medical Center
- 381 clinicians in this Medicare group
Augusta, ME 04330
- Reassigned Medicare billing, Maine enrollment
- 978 clinicians in this Medicare group
Grass Valley, CA 95949
- Reassigned Medicare billing, California enrollment
- Medicare enrollment name: Regents Of The University Of California
- 918 clinicians in this Medicare group
Prunedale, CA 93907
- Reassigned Medicare billing, California enrollment
- 284 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 10
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 4
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Maine Medical Center
Acute Care Hospitals · Portland, MECentral Maine Medical Center
Acute Care Hospitals · Lewiston, MESt Mary's Regional Medical Center
Acute Care Hospitals · Lewiston, MEMaine General Medical Center
Acute Care Hospitals · Augusta, MEPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 04074 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 12
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
SCARBOROUGH, ME 04074
SCARBOROUGH, ME 04074
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 John Carson's NPI number?
The NPI number for John Carson is 1871507228. It was assigned to this individual provider in the NPPES registry on July 28, 2006.
Where is John Carson located?
John Carson practices at 92 Campus Dr Ste D, Scarborough, ME 04074. The listed phone number is (207) 662-8900.
What is John Carson's specialty?
The primary specialty registered for this NPI is Surgery, specializing in Vascular Surgery, with taxonomy code 2086S0129X.
Is John Carson enrolled in Medicare?
Yes. John Carson 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 John Carson's services?
According to the CMS Revalidation Reassignment List (October 2026 release), John Carson reassigns Medicare benefits to 7 organizations: Maine Medical Partners (Scarborough, ME), Maine Medical Partners (Scarborough, ME), Central Maine Medical Center (Lewiston, ME), St. Mary's Regional Medical Center (Lewiston, ME), Mainegeneral Medical Center (Augusta, ME) and 2 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 John Carson's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does John Carson accept?
Health plans from Anthem Blue Cross and Blue Shield and Harvard Pilgrim Health Care list John Carson 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 John Carson affiliated with any hospitals?
According to CMS data, John Carson is affiliated with Maine Medical Center, Central Maine Medical Center, St Mary's Regional Medical Center and Maine General Medical Center.
When was this NPI record last updated?
The NPPES record for John Carson was last updated on April 17, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.
# Dr. John G Carson, M.D. · NPI 1871507228
Vascular Surgery physician in Scarborough, Maine. Individual provider, active in the CMS NPPES registry since July 28, 2006.
## Identity
- **NPI:** 1871507228 (Entity type: Individual)
- **Enumerated:** July 28, 2006
- **Primary specialty:** Surgery - Vascular Surgery · taxonomy 2086S0129X
- **State license:** MD21625 (Maine)
- **Sole proprietor:** No
## Practice location
- **Address:** 92 CAMPUS DR STE D, Scarborough, ME 04074-7229
- **Phone:** (207) 662-8900
## 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:** 7 organizations under Medicare reassignment (form CMS-855R): Maine Medical Partners (NPI 1346687167, Scarborough, ME); Maine Medical Partners (NPI 1346687167, Scarborough, ME); Central Maine Medical Center (NPI 1689653487, Lewiston, ME); St. Mary's Regional Medical Center (NPI 1447226584, Lewiston, ME); Mainegeneral Medical Center (NPI 1083949184, Augusta, ME); and 2 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Texas Medical School At Houston, class of 2002
## Record status
- **NPPES last updated:** April 17, 2023
- **Other identifiers:** Medicaid 1871507228 (ME)
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Source: [NPI Profile](https://npiprofile.com/npi/1871507228) · Data from the CMS NPPES public registry.