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REBECCA MICHELLE GEER M.D.
NPI 1790126555
Obstetrics & Gynecology in Torrance, CA

Active since July 09, 2013PECOS EnrolledAccepts Medicare Assignment
1000 W CARSON ST # 3, TORRANCE, CA 90502(310) 222-3886(310) 782-8148 Get Directions Write a Review

NPPES record last updated: March 14, 2024. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Rebecca Michelle Geer M.d. NPPES

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

REBECCA MICHELLE GEER M.D. (NPI 1790126555) is an individual obstetrics & gynecology provider in Torrance, California, licensed in California (A133819) and active in the NPI registry since July 2013. She is enrolled in Medicare PECOS and is a graduate of University Of Southern California Keck School Of Medicine (2013).

NPPES Registry Identity

NPI1790126555
Entity TypeIndividualFemale
Primary Taxonomy207V00000X
Provider Legal NameREBECCA MICHELLE GEERCredential: M.D.
Location Address1000 W CARSON ST # 3Torrance, CA 90502-2004
Mailing Address1000 W Carson St # 3Torrance, CA 90502-2004 · (310) 222-3886 · Fax (310) 782-8148
Phone(310) 222-3886
Fax(310) 782-8148
Sole ProprietorYes
Medical School CMSUniversity Of Southern California Keck School Of MedicineGraduated 2013
Enumeration DateJuly 9, 2013
Last NPPES UpdateMarch 14, 2024
NPPES CertifiedMarch 14, 2024
✔ NPI 1790126555 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 · A133819
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.
1000 W CARSON ST # 3, Torrance, CA 90502
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Other Names 1

Former Name (1)Rebecca Michelle Ralston

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

Rebecca Michelle Geer 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.

PECOS PAC ID9739454257
PECOS Enrollment IDI20171010002287
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 Reassignment

Medicare enrollment records show Rebecca Geer reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Southern California Permanente Medical Group
34 mi
Clinical Medical Laboratory
13000 PEYTON DR
Chino Hills, CA 91709
  • Reassigned Medicare billing, California enrollment
  • 5,228 clinicians in this Medicare group
NPI 1396287082 (888) 750-0036

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 90502 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
$142.39 typical visit price
range $62.96 – $187.60
Typical copayment $35.59 (range $15.74 – $46.90)
Most-billed visit code 99204
Established Patient
$77.96 typical visit price
range $20.84 – $153.61
Typical copayment $19.49 (range $5.21 – $38.40)
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 16

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

ERIKA POLANCO MD
Student in an Organized Health Care Education/Training Program
1000 W CARSON ST # 3
TORRANCE, CA 90502
Los Angeles County (424) 306-6145
JAMIE LEE WOODLEY DO
Obstetrics & Gynecology
1000 W CARSON ST # 3
TORRANCE, CA 90502
Los Angeles County (310) 222-3886
ZAREEN CHOUDHURY M.D.
Student in an Organized Health Care Education/Training Program
1000 W CARSON ST # 3
TORRANCE, CA 90502
Los Angeles County (310) 222-3886
MELISSA ANN TOLAND MD
Student in an Organized Health Care Education/Training Program
1000 W CARSON ST # 3
TORRANCE, CA 90502
Los Angeles County (424) 306-6145
DR. SUSAN AUCOTT BALLAGH MD
Obstetrics & Gynecology
1000 W CARSON ST # 3, DEPARTMENT OF OBSTETRICS & GYNECOLOGY
TORRANCE, CA 90502
Los Angeles County (310) 222-3544
JOAN MICHIYO KUBOSHIGE FNP
Nurse Practitioner (Perinatal)
1000 W CARSON ST # 3
TORRANCE, CA 90502
Los Angeles County (310) 222-3446
RAJ ODHAV M.D.
General Acute Care Hospital (Women)
1000 W CARSON ST # 3
TORRANCE, CA 90502
Los Angeles County (310) 222-3886
ERIKA ESTHER MORIKAWA
Obstetrics & Gynecology
1000 W CARSON ST # 3
TORRANCE, CA 90502
Los Angeles County (408) 416-7449

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 Rebecca Geer's NPI number?

The NPI number for Rebecca Geer is 1790126555. It was assigned to this individual provider in the NPPES registry on July 9, 2013. The provider is also known as Rebecca Michelle Ralston.

Where is Rebecca Geer located?

Rebecca Geer practices at 1000 W Carson St # 3, Torrance, CA 90502. The listed phone number is (310) 222-3886.

What is Rebecca Geer's specialty?

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

Is Rebecca Geer enrolled in Medicare?

Yes. Rebecca Geer 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 organization bills Medicare for Rebecca Geer's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Rebecca Geer reassigns Medicare benefits to Southern California Permanente Medical Group (Chino Hills, CA). The 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 Rebecca Geer'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 Rebecca Geer was last updated on March 14, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.