MS. MARGARET R. MCNIEL NP
NPI 1649328386
Nurse Practitioner - Family in San Francisco, CA
About Ms. Margaret R. Mcniel Np NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MS. MARGARET R. MCNIEL NP (NPI 1649328386) is an individual family provider in San Francisco, California, licensed in California (NPF8522) and active in the NPI registry since January 2007. She is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses 2
Other Identifiers 1
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Ms. Margaret R. Mcniel Np is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Margaret Mcniel reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
San Francisco, CA 94110
- Reassigned Medicare billing, California enrollment
- 1,573 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 94110 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 5
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
SAN FRANCISCO, CA 94110
SAN FRANCISCO, CA 94110
SAN FRANCISCO, CA 94110
SAN FRANCISCO, CA 94110
SAN FRANCISCO, CA 94110
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 Mcniel's NPI number?
The NPI number for Margaret Mcniel is 1649328386. It was assigned to this individual provider in the NPPES registry on January 8, 2007.
Where is Margaret Mcniel located?
Margaret Mcniel practices at 1001 Potrero Ave # 1e21 Sfgh Emergency Department, San Francisco, CA 94110. The listed phone number is (415) 206-8111.
What is Margaret Mcniel's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.
Is Margaret Mcniel enrolled in Medicare?
Yes. Margaret Mcniel is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Margaret Mcniel's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Margaret Mcniel reassigns Medicare benefits to City & County Of San Francisco (San Francisco, CA). 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 Margaret Mcniel's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Margaret Mcniel was last updated on September 11, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.
# Ms. Margaret R. Mcniel, NP · NPI 1649328386
Family physician in San Francisco, California. Individual provider, active in the CMS NPPES registry since January 8, 2007.
## Identity
- **NPI:** 1649328386 (Entity type: Individual)
- **Enumerated:** January 8, 2007
- **Primary specialty:** Nurse Practitioner - Family · taxonomy 363LF0000X
- **State license:** NPF8522 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 1001 POTRERO AVE # 1E21, SFGH EMERGENCY DEPARTMENT, San Francisco, CA 94110-3518
- **Phone:** (415) 206-8111 · **Fax:** (415) 206-4719
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** City & County Of San Francisco (NPI 1083648810, San Francisco, CA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** September 11, 2025
- **Other identifiers:** Other 055616
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Source: [NPI Profile](https://npiprofile.com/npi/1649328386) · Data from the CMS NPPES public registry.