RALPH C HAMILL MD
NPI 1629013446
Internal Medicine - Cardiovascular Disease in Rockport, ME
About Ralph C Hamill Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
RALPH C HAMILL MD (NPI 1629013446) is an individual cardiovascular disease provider in Rockport, Maine, licensed in Maine (MD11919) and active in the NPI registry since June 2006. He is enrolled in Medicare PECOS, is affiliated with Penobscot Bay Medical Center, and is a graduate of Northwestern University Womans Medical School (1980).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 8
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
Ralph C Hamill 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
3Medicare enrollment records show Ralph Hamill reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Rockport, ME 04856
- Reassigned Medicare billing, Maine enrollment
- Medicare enrollment name: Penobscot Bay Medical Center
- 59 clinicians in this Medicare group
Rockport, ME 04856
- Reassigned Medicare billing, Maine enrollment
- Also billed through NPI 1841397932 (Maine)
- 3,140 clinicians in this Medicare group
Portland, ME 04102
- Reassigned Medicare billing, Maine enrollment
- 229 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 13
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
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Penobscot Bay Medical Center
Acute Care Hospitals · Rockport, MEPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 04856 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.
ROCKPORT, ME 04856
ROCKPORT, ME 04856
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 Ralph Hamill's NPI number?
The NPI number for Ralph Hamill is 1629013446. It was assigned to this individual provider in the NPPES registry on June 17, 2006.
Where is Ralph Hamill located?
Ralph Hamill practices at 4 Glen Cove Dr Pen Bay Physician Building, Rockport, ME 04856. The listed phone number is (207) 596-6410.
What is Ralph Hamill's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Cardiovascular Disease, with taxonomy code 207RC0000X.
Is Ralph Hamill enrolled in Medicare?
Yes. Ralph Hamill 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 Ralph Hamill's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Ralph Hamill reassigns Medicare benefits to 3 organizations: Mainehealth (Rockport, ME), Mainehealth (Rockport, ME) and Maine Medical Partners (Portland, ME). 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 Ralph Hamill's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Ralph Hamill accept?
Health plans from Anthem Blue Cross and Blue Shield, Harvard Pilgrim Health Care and Taro Health list Ralph Hamill 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 Ralph Hamill affiliated with any hospitals?
According to CMS data, Ralph Hamill is affiliated with Penobscot Bay Medical Center.
When was this NPI record last updated?
The NPPES record for Ralph Hamill was last updated on October 17, 2012. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.
# Ralph C Hamill, MD · NPI 1629013446
Cardiovascular Disease physician in Rockport, Maine. Individual provider, active in the CMS NPPES registry since June 17, 2006.
## Identity
- **NPI:** 1629013446 (Entity type: Individual)
- **Enumerated:** June 17, 2006
- **Primary specialty:** Internal Medicine - Cardiovascular Disease · taxonomy 207RC0000X
- **State license:** MD11919 (Maine)
- **Sole proprietor:** No
## Practice location
- **Address:** 4 GLEN COVE DR, PEN BAY PHYSICIAN BUILDING, Rockport, ME 04856-4235
- **Phone:** (207) 596-6410 · **Fax:** (207) 594-5183
## 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:** 3 organizations under Medicare reassignment (form CMS-855R): Mainehealth (NPI 1982645305, Rockport, ME); Mainehealth (NPI 1578043378, Rockport, ME); Maine Medical Partners (NPI 1104921535, Portland, ME) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Northwestern University Womans Medical School, class of 1980
## Record status
- **NPPES last updated:** October 17, 2012
- **Other identifiers:** Medicare PIN MM0261 (ME); Medicare PIN P01079155 (ME); Medicare PIN MM026101 (ME); and 5 more
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Source: [NPI Profile](https://npiprofile.com/npi/1629013446) · Data from the CMS NPPES public registry.