BETH L COWAN MD
NPI 1376552059
Obstetrics & Gynecology in Hayward, CA
About Beth L Cowan Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
BETH L COWAN MD (NPI 1376552059) is an individual obstetrics & gynecology provider in Hayward, California, licensed in California (A66278) and active in the NPI registry since August 2006. She is enrolled in Medicare PECOS, maintains 2 additional practice locations, and is a graduate of University Of California, Irvine, California College Of Medicine (1994).
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Locations 2
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
Beth L Cowan Md 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
5Medicare enrollment records show Beth Cowan reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Newark, CA 94560
- Reassigned Medicare billing, California enrollment
- 435 clinicians in this Medicare group
Pleasanton, CA 94566
- Reassigned Medicare billing, California enrollment
- 6 clinicians in this Medicare group
Palo Alto, CA 94301
- Reassigned Medicare billing, California enrollment
- 4,479 clinicians in this Medicare group
Campbell, CA 95008
- Reassigned Medicare billing, California enrollment
- 59 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.
Areas of Expertise CMS Part B claims 2
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 94545 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 Beth Cowan's NPI number?
The NPI number for Beth Cowan is 1376552059. It was assigned to this individual provider in the NPPES registry on August 5, 2006.
Where is Beth Cowan located?
Beth Cowan practices at 27212 Calaroga Ave, Hayward, CA 94545. The listed phone number is (510) 785-5000.
What is Beth Cowan's specialty?
The primary specialty registered for this NPI is Obstetrics & Gynecology with taxonomy code 207V00000X.
Is Beth Cowan enrolled in Medicare?
Yes. Beth Cowan 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 Beth Cowan's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Beth Cowan reassigns Medicare benefits to 5 organizations: University Healthcare Alliance (Newark, CA), Pleasanton Allergy And Dermatology Inc (Pleasanton, CA), Sutter Bay Medical Foundation (Palo Alto, CA), Obstetrix Medical Group Of California, A Professional Corporation (Campbell, 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 Beth Cowan'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 Beth Cowan was last updated on October 23, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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.
# Beth L Cowan, MD · NPI 1376552059
Obstetrics & Gynecology physician in Hayward, California. Individual provider, active in the CMS NPPES registry since August 5, 2006.
## Identity
- **NPI:** 1376552059 (Entity type: Individual)
- **Enumerated:** August 5, 2006
- **Primary specialty:** Obstetrics & Gynecology · taxonomy 207V00000X
- **State license:** A66278 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 27212 CALAROGA AVE, Hayward, CA 94545-4339
- **Phone:** (510) 785-5000 · **Fax:** (510) 785-5288
## 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:** 5 organizations under Medicare reassignment (form CMS-855R): University Healthcare Alliance (NPI 1760531198, Newark, CA); Pleasanton Allergy And Dermatology Inc (NPI 1134466899, Pleasanton, CA); Sutter Bay Medical Foundation (NPI 1013950807, Palo Alto, CA); Obstetrix Medical Group Of California, A Professional Corporation (NPI 1629175336, Campbell, CA); Obhg California, P.C. (NPI 1215258892, Greenville, SC) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of California, Irvine, California College Of Medicine, class of 1994
## Record status
- **NPPES last updated:** October 23, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1376552059) · Data from the CMS NPPES public registry.