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MARSHA BAKER MD
NPI 1851599328
Obstetrics & Gynecology in Arvin, CA

Active since July 06, 2007PECOS Enrolled
1305 BEAR MOUNTAIN BLVD, ARVIN, CA 93203(661) 854-3131(661) 854-2689 Get Directions Write a Review

NPPES record last updated: December 16, 2021. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Marsha Baker Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

MARSHA BAKER MD (NPI 1851599328) is an individual obstetrics & gynecology provider in Arvin, California, licensed in California (A90841) and active in the NPI registry since July 2007. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1851599328
Entity TypeIndividualFemale
Primary Taxonomy207V00000X
Provider Legal NameMARSHA BAKERCredential: MD
Location Address1305 BEAR MOUNTAIN BLVDArvin, CA 93203
Mailing AddressPo Box 1559, Attention Ann Lee Clinica Sierra VistaBakersfield, CA 93302-1559 · (661) 635-3050 · Fax (661) 869-1503
Phone(661) 854-3131
Fax(661) 854-2689
Sole ProprietorNo
Enumeration DateJuly 6, 2007
Last NPPES UpdateDecember 16, 2021
NPPES CertifiedDecember 16, 2021
✔ NPI 1851599328 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyObstetrics & GynecologyAllopathic & Osteopathic Physicians
Taxonomy Code207V00000X
License✔ Licensed in CA · A90841
Definition
An obstetrician/gynecologist possesses special knowledge, skills and professional capability in the medical and surgical care of the female reproductive system and associated disorders. This physician serves as a consultant to other physicians and as a primary physician for women.
1305 BEAR MOUNTAIN BLVD, Arvin, CA 93203
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Other Names 1

Former Name (1)Marsha Bievre Md

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Marsha Baker Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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 Marsha Baker reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Southern California Permanente Medical Group
54 mi
Health Maintenance Organization
43112 N 15TH ST
Lancaster, CA 93534
  • Reassigned Medicare billing, California enrollment
  • 13,921 clinicians in this Medicare group
NPI 1982863783 (661) 726-2279
Usc Care Medical Group, Inc
87 mi
General Practice
1520 SAN PABLO ST
Los Angeles, CA 90033
  • Reassigned Medicare billing, California enrollment
  • 2,445 clinicians in this Medicare group
NPI 1902846306 (323) 442-5955

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 93203 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$135.05 typical visit price
range $59.26 – $178.09
Typical copayment $33.76 (range $14.81 – $44.52)
Most-billed visit code 99204
Established Patient
$73.67 typical visit price
range $19.34 – $145.64
Typical copayment $18.41 (range $4.83 – $36.41)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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.

MIRNA GONZALES
Marriage & Family Therapist
1305 BEAR MOUNTAIN BLVD
ARVIN, CA 93203
Kern County (661) 396-7100
LAKEISHA SHATARA FALLS APRN, FNP-C
Nurse Practitioner
1305 BEAR MOUNTAIN BLVD
ARVIN, CA 93203
Kern County (661) 854-3131
DR. CARLOS RODRIGUEZ M.D.
Internal Medicine
1305 BEAR MOUNTAIN BLVD
ARVIN, CA 93203
Kern County (661) 854-3131
KARISHMA DESAI MBBS
Pediatrics
1305 BEAR MOUNTAIN BLVD
ARVIN, CA 93203
Kern County (661) 854-3131
ELVIRA FLORES RDH
Dental Hygienist
1305 BEAR MOUNTAIN BLVD
ARVIN, CA 93203
Kern County (661) 854-3131
DR. KHOA VU DDS
Dentist
1305 BEAR MOUNTAIN BLVD
BAKERSFIELD, CA 93203
Kern County (661) 854-3131
ARIEL BRITO GONZALEZ MD
Family Medicine
1305 BEAR MOUNTAIN BLVD
ARVIN, CA 93203
Kern County (618) 543-1316
JOSEPHINE JUMANGIT GABRILLO NURSE PRACTITIONER
Nurse Practitioner
1305 BEAR MOUNTAIN BLVD
ARVIN, CA 93203
Kern County (661) 854-3131

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 Marsha Baker's NPI number?

The NPI number for Marsha Baker is 1851599328. It was assigned to this individual provider in the NPPES registry on July 6, 2007. The provider is also known as Marsha Bievre MD.

Where is Marsha Baker located?

Marsha Baker practices at 1305 Bear Mountain Blvd, Arvin, CA 93203. The listed phone number is (661) 854-3131.

What is Marsha Baker's specialty?

The primary specialty registered for this NPI is Obstetrics & Gynecology with taxonomy code 207V00000X.

Is Marsha Baker enrolled in Medicare?

Yes. Marsha Baker is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Marsha Baker's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Marsha Baker reassigns Medicare benefits to 2 organizations: Southern California Permanente Medical Group (Lancaster, CA) and Usc Care Medical Group, Inc (Los Angeles, 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 Marsha Baker'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 Marsha Baker was last updated on December 16, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.