DR. MARK ALLEN WALLACE D.O.
NPI 1952591828
Otolaryngology - Otolaryngology/Facial Plastic Surgery in Rockport, ME
About Dr. Mark Allen Wallace D.o. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. MARK ALLEN WALLACE D.O. (NPI 1952591828) is an individual otolaryngology/facial plastic surgery provider in Rockport, Maine, licensed in Maine (DO3910) and active in the NPI registry since July 2007. He is enrolled in Medicare PECOS, is affiliated with Maine General Medical Center, and maintains 2 additional practice locations.
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Locations 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
Dr. Mark Allen Wallace D.o. 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
2Medicare enrollment records show Mark Wallace reassigns Medicare billing to 2 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
- Also billed through NPI 1841397932 (Maine)
- 3,140 clinicians in this Medicare group
Saipan, MP 96950
- Reassigned Medicare billing, Northern Mariana Islands enrollment
- 200 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
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 General Medical Center
Acute Care Hospitals · Augusta, MEPenobscot Bay Medical Center
Acute Care Hospitals · Rockport, MELincolnhealth
Critical Access Hospitals · Damariscotta, MECommonwealth Health Center
Acute Care Hospitals · Garapan, MPOther Providers at the Same Location NPPES 2
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
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 Mark Wallace's NPI number?
The NPI number for Mark Wallace is 1952591828. It was assigned to this individual provider in the NPPES registry on July 27, 2007.
Where is Mark Wallace located?
Mark Wallace practices at 15 Anchor Dr Ste 102, Rockport, ME 04856. The listed phone number is (207) 301-3660.
What is Mark Wallace's specialty?
The primary specialty registered for this NPI is Otolaryngology, specializing in Otolaryngology/Facial Plastic Surgery, with taxonomy code 207YX0905X.
Is Mark Wallace enrolled in Medicare?
Yes. Mark Wallace 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 Mark Wallace's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Mark Wallace reassigns Medicare benefits to 2 organizations: Mainehealth (Rockport, ME) and Commonwealth Healthcare Corporation (Saipan, MP). 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 Mark Wallace's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Mark Wallace accept?
Health plans from Anthem Blue Cross and Blue Shield, Harvard Pilgrim Health Care and Taro Health list Mark Wallace 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 Mark Wallace affiliated with any hospitals?
According to CMS data, Mark Wallace is affiliated with Maine General Medical Center, Penobscot Bay Medical Center, Lincolnhealth and Commonwealth Health Center.
When was this NPI record last updated?
The NPPES record for Mark Wallace was last updated on January 29, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.
# Dr. Mark Allen Wallace, D.O. · NPI 1952591828
Otolaryngology/Facial Plastic Surgery physician in Rockport, Maine. Individual provider, active in the CMS NPPES registry since July 27, 2007.
## Identity
- **NPI:** 1952591828 (Entity type: Individual)
- **Enumerated:** July 27, 2007
- **Primary specialty:** Otolaryngology - Otolaryngology/Facial Plastic Surgery · taxonomy 207YX0905X
- **State license:** DO3910 (Maine)
- **Sole proprietor:** No
## Practice location
- **Address:** 15 ANCHOR DR STE 102, Rockport, ME 04856-3847
- **Phone:** (207) 301-3660 · **Fax:** (207) 301-5160
## 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:** 2 organizations under Medicare reassignment (form CMS-855R): Mainehealth (NPI 1578043378, Rockport, ME); Commonwealth Healthcare Corporation (NPI 1285858290, Saipan, MP) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2002
## Record status
- **NPPES last updated:** January 29, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1952591828) · Data from the CMS NPPES public registry.