MRS. GWENDOLYN ELIZABETH HAYNES CNM
NPI 1265524755
Midwife in Oakland, CA
About Mrs. Gwendolyn Elizabeth Haynes Cnm NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MRS. GWENDOLYN ELIZABETH HAYNES CNM (NPI 1265524755) is an individual midwife in Oakland, California, licensed in California (1736) and active in the NPI registry since September 2006. She is enrolled in Medicare PECOS and is a graduate of Other (2006).
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
Mrs. Gwendolyn Elizabeth Haynes Cnm 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 Gwendolyn Haynes reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Oakland, CA 94609
- Reassigned Medicare billing, California enrollment
- 19 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.
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 Gwendolyn Haynes's NPI number?
The NPI number for Gwendolyn Haynes is 1265524755. It was assigned to this individual provider in the NPPES registry on September 29, 2006.
Where is Gwendolyn Haynes located?
Gwendolyn Haynes practices at 419 30th Street ,suite 2, Oakland, CA 94609. The listed phone number is (510) 775-2229.
What is Gwendolyn Haynes's specialty?
The primary specialty registered for this NPI is Midwife with taxonomy code 176B00000X.
Is Gwendolyn Haynes enrolled in Medicare?
Yes. Gwendolyn Haynes 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 Gwendolyn Haynes's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Gwendolyn Haynes reassigns Medicare benefits to 2 organizations: Sutter Community Health (Oakland, 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 Gwendolyn Haynes'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 Gwendolyn Haynes was last updated on November 7, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.