MRS. GWENDOLYN ELIZABETH HAYNES CNM
NPI 1265524755
Midwife in Oakland, CA

Active since September 29, 2006PECOS EnrolledAccepts Medicare Assignment
419 30TH STREET ,SUITE 2, OAKLAND, CA 94609(510) 775-2229(510) 590-9938 Get Directions Write a Review

NPPES record last updated: November 7, 2022. Verified against the NPPES registry weekly; last sync: October 18, 2026.

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

NPI1265524755
Entity TypeIndividualFemale
Primary Taxonomy176B00000X
Provider Legal NameMRS. GWENDOLYN ELIZABETH HAYNESCredential: CNM
Location Address419 30TH STREET ,SUITE 2Oakland, CA 94609
Mailing Address419 30th Street ,suite 2Oakland, CA 94609 · (510) 775-2229 · Fax (510) 590-9938
Fax(510) 590-9938
Sole ProprietorNo
Medical School CMSOtherGraduated 2006
Enumeration DateSeptember 29, 2006
Last NPPES UpdateNovember 7, 2022
NPPES CertifiedNovember 7, 2022
✔ NPI 1265524755 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyMidwifeOther Service Providers
Taxonomy Code176B00000X
License✔ Licensed in CA · 1736
Definition
A Midwife is a trained professional with special expertise in supporting women to maintain a healthy pregnancy birth, offering expert individualized care, education, counseling, and support to a woman and her newborn throughout the childbearing cycle. A Midwife is a skilled and independent practitioner who has undergone formalized training. Midwives are not required to be nurses and may be trained via multiple routes of education (apprenticeship, workshop, formal classes, or programs, etc., usually a combination). The educational background requirements and licensing requirements vary by state. The Midwife may or may not be certified by a state or national organization.
419 30TH STREET ,SUITE 2, Oakland, CA 94609

Other Identifiers 1

Other579100CA · Nurse Practitioner

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.

PECOS PAC ID5193815587
PECOS Enrollment IDI20071221000556
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment– Home Health Agency– Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

2

Medicare 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.

Clinic/Center
350 30TH ST, STE 205
Oakland, CA 94609
  • Reassigned Medicare billing, California enrollment
  • 19 clinicians in this Medicare group
Multi-Specialty
12 CAMINO ENCINAS
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.