MARGARET V COOPER VAUGHN M.D.
NPI 1982607990
Specialist in Los Gatos, CA
About Margaret V Cooper Vaughn M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MARGARET V COOPER VAUGHN M.D. (NPI 1982607990) is an individual specialist in Los Gatos, California, licensed in California (A87941) and active in the NPI registry since May 2005. She is enrolled in Medicare PECOS and is a graduate of Rush Medical College Of Rush University (1998).
NPPES Registry Identity
Specialties & Licenses
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 and accepts Medicare assignment
Margaret V Cooper Vaughn 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
4Medicare enrollment records show Margaret Cooper Vaughn reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
San Jose, CA 95128
- Reassigned Medicare billing, California enrollment
- 2,460 clinicians in this Medicare group
Hollister, CA 95023
- Reassigned Medicare billing, California enrollment
- 73 clinicians in this Medicare group
Salinas, CA 93901
- Reassigned Medicare billing, California enrollment
- 9 clinicians in this Medicare group
Greenville, SC 29607
- Reassigned Medicare billing, California enrollment
- Medicare enrollment name: Obhg California PC
- 711 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.
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.
LOS GATOS, CA 95032
LOS GATOS, CA 95032
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 Cooper Vaughn's NPI number?
The NPI number for Margaret Cooper Vaughn is 1982607990. It was assigned to this individual provider in the NPPES registry on May 23, 2005.
Where is Margaret Cooper Vaughn located?
Margaret Cooper Vaughn practices at 815 Pollard Rd, Los Gatos, CA 95032. The listed phone number is (800) 967-2289.
What is Margaret Cooper Vaughn's specialty?
The primary specialty registered for this NPI is Specialist with taxonomy code 174400000X.
Is Margaret Cooper Vaughn enrolled in Medicare?
Yes. Margaret Cooper Vaughn 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 Cooper Vaughn's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Margaret Cooper Vaughn reassigns Medicare benefits to 4 organizations: County Of Santa Clara (San Jose, CA), Hazel Hawkins Memorial Hospital (Hollister, CA), Ob Gyn Associates Of The Central Coast (Salinas, CA) and Obhg California, P.C. (Greenville, SC). 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 Cooper Vaughn'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 Cooper Vaughn was last updated on August 4, 2015. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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.
# Margaret V Cooper Vaughn, M.D. · NPI 1982607990
Specialist provider in Los Gatos, California. Individual provider, active in the CMS NPPES registry since May 23, 2005.
## Identity
- **NPI:** 1982607990 (Entity type: Individual)
- **Enumerated:** May 23, 2005
- **Primary specialty:** Specialist · taxonomy 174400000X
- **State license:** A87941 (California)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 815 POLLARD RD, Los Gatos, CA 95032-1438
- **Phone:** (800) 967-2289 · **Fax:** (760) 320-1805
## 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:** 4 organizations under Medicare reassignment (form CMS-855R): County Of Santa Clara (NPI 1588721500, San Jose, CA); Hazel Hawkins Memorial Hospital (NPI 1275578817, Hollister, CA); Ob Gyn Associates Of The Central Coast (NPI 1215980925, Salinas, CA); Obhg California, P.C. (NPI 1215258892, Greenville, SC) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Rush Medical College Of Rush University, class of 1998
## Record status
- **NPPES last updated:** August 4, 2015
- **Other identifiers:** Other 453054970 (CA)
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Source: [NPI Profile](https://npiprofile.com/npi/1982607990) · Data from the CMS NPPES public registry.