DR. PETER L CLARK DO
NPI 1770517260
Emergency Medicine in Lewiston, ME
About Dr. Peter L Clark Do NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. PETER L CLARK DO (NPI 1770517260) is an individual emergency medicine provider in Lewiston, Maine, licensed in Maine (DO1775) and active in the NPI registry since July 2006. He is enrolled in Medicare PECOS, is affiliated with Northern Light Health, and maintains a secondary practice location in East Waterboro.
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Location 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. Peter L Clark Do 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 Peter Clark reassigns Medicare billing to 7 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Lewiston, ME 04240
- Reassigned Medicare billing, Maine enrollment
- 920 clinicians in this Medicare group
Brunswick, ME 04011
- Reassigned Medicare billing, Maine enrollment
- 170 clinicians in this Medicare group
Bridgton, ME 04009
- Reassigned Medicare billing, Maine enrollment
- 563 clinicians in this Medicare group
Augusta, ME 04330
- Reassigned Medicare billing, Maine enrollment
- 978 clinicians in this Medicare group
Portland, ME 04102
- Reassigned Medicare billing, Maine enrollment
- 322 clinicians in this Medicare group
Rumford, ME 04276
- Reassigned Medicare billing, Maine enrollment
- 544 clinicians in this Medicare group
Biddeford, ME 04005
- Reassigned Medicare billing, Maine enrollment
- Medicare enrollment name: Southern Maine Health Care
- 253 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.
Hospital Affiliations CMS Care Compare 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Northern Light Health
Acute Care Hospitals · Portland, MEMaine General Medical Center
Acute Care Hospitals · Augusta, MEPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 04240 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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.
LEWISTON, ME 04240
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 Peter Clark's NPI number?
The NPI number for Peter Clark is 1770517260. It was assigned to this individual provider in the NPPES registry on July 10, 2006.
Where is Peter Clark located?
Peter Clark practices at 300 Main St, Lewiston, ME 04240. The listed phone number is (207) 795-0111.
What is Peter Clark's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Peter Clark enrolled in Medicare?
Yes. Peter Clark 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 Peter Clark's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Peter Clark reassigns Medicare benefits to 7 organizations: Central Maine Medical Center (Lewiston, ME), Bluewater Emergency Partners Of Brunswick, LLC (Brunswick, ME), Bridgton Hospital (Bridgton, ME), Mainegeneral Medical Center (Augusta, ME), Mercy Hospital (Portland, 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 Peter Clark's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Peter Clark accept?
Health plans from Taro Health and WellSense Health Plan list Peter Clark 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 Peter Clark affiliated with any hospitals?
According to CMS data, Peter Clark is affiliated with Northern Light Health and Maine General Medical Center.
When was this NPI record last updated?
The NPPES record for Peter Clark was last updated on February 5, 2018. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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. Peter L Clark, DO · NPI 1770517260
Emergency Medicine physician in Lewiston, Maine. Individual provider, active in the CMS NPPES registry since July 10, 2006.
## Identity
- **NPI:** 1770517260 (Entity type: Individual)
- **Enumerated:** July 10, 2006
- **Primary specialty:** Emergency Medicine · taxonomy 207P00000X
- **State license:** DO1775 (Maine)
- **Sole proprietor:** No
## Practice location
- **Address:** 300 MAIN ST, Lewiston, ME 04240-7027
- **Phone:** (207) 795-0111
## 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): Central Maine Medical Center (NPI 1689653487, Lewiston, ME); Bluewater Emergency Partners Of Brunswick, LLC (NPI 1043640204, Brunswick, ME); Bridgton Hospital (NPI 1154370153, Bridgton, ME); Mainegeneral Medical Center (NPI 1083949184, Augusta, ME); Mercy Hospital (NPI 1427313048, Portland, ME); and 2 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** New York College Of Osteo Medicine Of New York Institute Of Technology, class of 1997
## Record status
- **NPPES last updated:** February 5, 2018
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Source: [NPI Profile](https://npiprofile.com/npi/1770517260) · Data from the CMS NPPES public registry.