MARGARET GUTIERREZ MERCADO MD
NPI 1932394673
Family Medicine in San Francisco, CA
About Margaret Gutierrez Mercado Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MARGARET GUTIERREZ MERCADO MD (NPI 1932394673) is an individual family medicine provider in San Francisco, California, licensed in Washington (MD00049124) and active in the NPI registry since September 2007. She is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses 2
Other Identifiers 3
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Margaret Gutierrez Mercado Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
2Medicare enrollment records show Margaret Mercado reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Puyallup, WA 98373
- Reassigned Medicare billing, Washington enrollment
- Medicare enrollment name: Iora Health Washington Physicians PC
- 50 clinicians in this Medicare group
Puyallup, WA 98373
- Reassigned Medicare billing, Washington enrollment
- 46 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 94111 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.
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 Mercado's NPI number?
The NPI number for Margaret Mercado is 1932394673. It was assigned to this individual provider in the NPPES registry on September 6, 2007.
Where is Margaret Mercado located?
Margaret Mercado practices at 1 Embarcadero Ctr Fl 19, San Francisco, CA 94111. The listed phone number is (415) 658-6791.
What is Margaret Mercado's specialty?
The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.
Is Margaret Mercado enrolled in Medicare?
Yes. Margaret Mercado is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Margaret Mercado's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Margaret Mercado reassigns Medicare benefits to 2 organizations: Iora Health Washington Physicians, P.C. (Puyallup, WA) and Iora Senior Health, LLC (Puyallup, WA). 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 Margaret Mercado'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 Mercado was last updated on April 18, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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.
# Margaret Gutierrez Mercado, MD · NPI 1932394673
Family Medicine physician in San Francisco, California. Individual provider, active in the CMS NPPES registry since September 6, 2007.
## Identity
- **NPI:** 1932394673 (Entity type: Individual)
- **Enumerated:** September 6, 2007
- **Primary specialty:** Family Medicine · taxonomy 207Q00000X
- **State license:** MD00049124 (Washington)
- **Sole proprietor:** No
## Practice location
- **Address:** 1 EMBARCADERO CTR FL 19, San Francisco, CA 94111-3628
- **Phone:** (415) 658-6791 · **Fax:** (415) 252-7176
## 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:** 2 organizations under Medicare reassignment (form CMS-855R): Iora Health Washington Physicians, P.C. (NPI 1053805739, Puyallup, WA); Iora Senior Health, LLC (NPI 1992299671, Puyallup, WA) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** April 18, 2025
- **Other identifiers:** Medicaid 8513640 (WA); Other 0236729 (WA); Other 8948914 (WA)
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Source: [NPI Profile](https://npiprofile.com/npi/1932394673) · Data from the CMS NPPES public registry.