DR. MARGARET PEACOCK M.D.
NPI 1760413793
Emergency Medicine - Emergency Medical Services in Petaluma, CA
About Dr. Margaret Peacock M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. MARGARET PEACOCK M.D. (NPI 1760413793) is an individual emergency medical services provider in Petaluma, California, licensed in California (C43105) and active in the NPI registry since July 2006. She is enrolled in Medicare PECOS and is a graduate of Other (1982).
NPPES Registry Identity
Specialties & Licenses
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. Margaret Peacock M.d. 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 Margaret Peacock reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
San Francisco, CA 94109
- Reassigned Medicare billing, California enrollment
- 155 clinicians in this Medicare group
Orinda, CA 94563
- Reassigned Medicare billing, California enrollment
- 4,479 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 4
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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 94954 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.
PETALUMA, CA 94954
PETALUMA, CA 94954
PETALUMA, CA 94954
PETALUMA, CA 94954
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 Peacock's NPI number?
The NPI number for Margaret Peacock is 1760413793. It was assigned to this individual provider in the NPPES registry on July 6, 2006.
Where is Margaret Peacock located?
Margaret Peacock practices at 400 N Mcdowell Blvd, Petaluma, CA 94954. The listed phone number is (707) 778-1111.
What is Margaret Peacock's specialty?
The primary specialty registered for this NPI is Emergency Medicine, specializing in Emergency Medical Services, with taxonomy code 207PE0004X.
Is Margaret Peacock enrolled in Medicare?
Yes. Margaret Peacock 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 Margaret Peacock's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Margaret Peacock reassigns Medicare benefits to 2 organizations: San Francisco Emergency Medical Associates (San Francisco, CA) and Sutter Bay Medical Foundation (Orinda, CA). 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 Peacock'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 Peacock was last updated on February 4, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.
# Dr. Margaret Peacock, M.D. · NPI 1760413793
Emergency Medical Services physician in Petaluma, California. Individual provider, active in the CMS NPPES registry since July 6, 2006.
## Identity
- **NPI:** 1760413793 (Entity type: Individual)
- **Enumerated:** July 6, 2006
- **Primary specialty:** Emergency Medicine - Emergency Medical Services · taxonomy 207PE0004X
- **State license:** C43105 (California)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 400 N MCDOWELL BLVD, Petaluma, CA 94954-2339
- **Phone:** (707) 778-1111
## 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): San Francisco Emergency Medical Associates (NPI 1134110661, San Francisco, CA); Sutter Bay Medical Foundation (NPI 1366898538, Orinda, CA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 1982
## Record status
- **NPPES last updated:** February 4, 2021
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Source: [NPI Profile](https://npiprofile.com/npi/1760413793) · Data from the CMS NPPES public registry.