MARY ALMA LAKE FNP
NPI 1578671871
Nurse Practitioner - Family in Topsham, ME
About Mary Alma Lake Fnp NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MARY ALMA LAKE FNP (NPI 1578671871) is an individual family provider in Topsham, Maine, licensed in Maine (R019912) and active in the NPI registry since August 2006. She is enrolled in Medicare PECOS, is affiliated with Houlton Regional Hospital, and is a graduate of Other (2000).
NPPES Registry Identity
Specialties & Licenses 2
Other Identifiers 2
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
Mary Alma Lake Fnp 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 Reassignment
Medicare enrollment records show Mary Lake reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Danforth, ME 04424
- Reassigned Medicare billing, Maine enrollment
- 8 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.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Houlton Regional Hospital
Critical Access Hospitals · Houlton, MEPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 04086 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Referred Medical Equipment & Supplies CMS DME claims
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
Other Providers at the Same Location NPPES 16
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
TOPSHAM, ME 04086
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 Mary Lake's NPI number?
The NPI number for Mary Lake is 1578671871. It was assigned to this individual provider in the NPPES registry on August 27, 2006.
Where is Mary Lake located?
Mary Lake practices at 1 Wellness Way Suite B, Topsham, ME 04086. The listed phone number is (207) 406-7667.
What is Mary Lake's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.
Is Mary Lake enrolled in Medicare?
Yes. Mary Lake 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 organization bills Medicare for Mary Lake's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Mary Lake reassigns Medicare benefits to East Grand Health Center, Inc (Danforth, ME). The 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 Mary Lake's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Mary Lake affiliated with any hospitals?
According to CMS data, Mary Lake is affiliated with Houlton Regional Hospital.
When was this NPI record last updated?
The NPPES record for Mary Lake was last updated on February 11, 2016. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.
# Mary Alma Lake, FNP · NPI 1578671871
Family physician in Topsham, Maine. Individual provider, active in the CMS NPPES registry since August 27, 2006.
## Identity
- **NPI:** 1578671871 (Entity type: Individual)
- **Enumerated:** August 27, 2006
- **Primary specialty:** Nurse Practitioner - Family · taxonomy 363LF0000X
- **State license:** R019912 (Maine)
- **Sole proprietor:** No
## Practice location
- **Address:** 1 WELLNESS WAY, SUITE B, Topsham, ME 04086-1768
- **Phone:** (207) 406-7667 · **Fax:** (207) 406-7601
## 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:** East Grand Health Center, Inc (NPI 1467489666, Danforth, ME), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2000
## Record status
- **NPPES last updated:** February 11, 2016
- **Other identifiers:** Medicare UPIN P11638; Medicare PIN VX0185 (ME)
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Source: [NPI Profile](https://npiprofile.com/npi/1578671871) · Data from the CMS NPPES public registry.