MISS MARGARET S MERCER LCSW
NPI 1508001934
Social Worker - Clinical in Portland, ME
About Miss Margaret S Mercer Lcsw NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MISS MARGARET S MERCER LCSW (NPI 1508001934) is an individual clinical provider in Portland, Maine, licensed in Maine (LC24403) and active in the NPI registry since December 2008. She is enrolled in Medicare PECOS, maintains a secondary practice location in Denver, and is a graduate of Other (2006).
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Miss Margaret S Mercer Lcsw 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 04102 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.
PORTLAND, ME 04102
PORTLAND, ME 04102
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 Margaret Mercer's NPI number?
The NPI number for Margaret Mercer is 1508001934. It was assigned to this individual provider in the NPPES registry on December 15, 2008.
Where is Margaret Mercer located?
Margaret Mercer practices at 22 Bramhall St, Portland, ME 04102. The listed phone number is (207) 662-2911.
What is Margaret Mercer's specialty?
The primary specialty registered for this NPI is Social Worker, specializing in Clinical, with taxonomy code 1041C0700X.
Is Margaret Mercer enrolled in Medicare?
Yes. Margaret Mercer 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.
What insurance does Margaret Mercer accept?
Health plans from Anthem Blue Cross and Blue Shield and Harvard Pilgrim Health Care list Margaret Mercer 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.
When was this NPI record last updated?
The NPPES record for Margaret Mercer was last updated on May 5, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 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.
# Miss Margaret S Mercer, LCSW · NPI 1508001934
Clinical provider in Portland, Maine. Individual provider, active in the CMS NPPES registry since December 15, 2008.
## Identity
- **NPI:** 1508001934 (Entity type: Individual)
- **Enumerated:** December 15, 2008
- **Primary specialty:** Social Worker - Clinical · taxonomy 1041C0700X
- **State license:** LC24403 (Maine)
- **Sole proprietor:** No
## Practice location
- **Address:** 22 BRAMHALL ST, Portland, ME 04102-3134
- **Phone:** (207) 662-2911 · **Fax:** (207) 662-6006
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment
- **Medical school:** Other, class of 2006
## Record status
- **NPPES last updated:** May 5, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1508001934) · Data from the CMS NPPES public registry.