Rebecca Mia Sauer, M.D.
Obstetrics & Gynecology Physician · Orange, CA
Rebecca Mia Sauer, M.D. is an obstetrics & gynecology physician with a practice address in Orange, California, and NPI 1083973283, issued on May 8, 2012. Check the license (California A128521, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Rebecca Mia Sauer
- Credential
- M.D.
- Primary taxonomy
- Obstetrics & Gynecology Physician 207V00000X
- License number
- A128521 CA
Self-reported in NPPES; status is on the state search - Practice location
- 333 City Blvd W Ste 1400, Orange, CA 92868
- Phone
- (714) 456-2911
- Enumerated
- May 8, 2012
- Record last updated
- May 3, 2019 (not updated in 7 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20160330000301); accepts Medicare assignment
- Medical or professional school
- University Of California, Irvine, California College Of Medicine, 2012
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest obstetrics & gynecology physician records → All 5,088 in California → Look up another NPI →
Also registered at 333 City Blvd W Ste 1400
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Clare-Marie Anderson, MDStudent in an Organized Health Care Education/Training Program1316687643
- Michelle Bondero, MDDiagnostic Radiology Physician1013598705
- Kristen Buono, M.D.Urogynecology and Reconstructive Pelvic Surgery (Obstetrics & Gynecology) Physician1245573039
- Anna Cornelius-SchecterStudent in an Organized Health Care Education/Training Program1447991963
- Isabel Del Canto, MDStudent in an Organized Health Care Education/Training Program1649850595
- Melissa Lopez, MDObstetrics & Gynecology Physician1730640632
Verify Rebecca Mia Sauer in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A128521Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
12% fewer Medicare Part D claims than the average obstetrics & gynecology physician in 2024
145 Medicare Part D claims for 56 beneficiaries, against an average of 165 among the 28,733 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims.
Most prescribed
- Estradiol31 claims
- Clobetasol Propionate13 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $35.03
1 payment: food and beverage; the largest payer was Baxter Healthcare. The 21,429 providers of this specialty with any payment received $1,030.61 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through 2 group practices
- Regents OF The University OF CaliforniaOrange, CA
- University OF California IrvineSanta Ana, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Rebecca Mia Sauer among 5,088 obstetrics & gynecology physician records in California
Rebecca Mia Sauer, M.D. is one of 5,088 obstetrics & gynecology physician records with a practice address in California. 74% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2012, is newer than 75% of them.
- NPI issued2012 · 75% of these records are older, 22% newer
- In a Medicare fileYes · 74% of these records are
- In the CMS Doctors and Clinicians fileYes · 53% of these records are
- Graduated2012 · median 2004 among the 2,700 with a school on file
- Record last updated2019 · 64% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207V00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Obstetrics & Gynecology Physician providers in California
There are 5,088 obstetrics & gynecology physician records in California.
All 5,088 in California → Every provider in Orange → Obstetrics & Gynecology Physician nationwide →
The 8 obstetrics & gynecology physician records with the nearest ZIP codes
- Allan Akerman, M.D.Orange, CA 928681396714184
- Donna Baick, M.D.Orange, CA 928681700898988
- Martin Feldman, M.D.Orange, CA 928681043289317
- Randy Fiorentino, M.D.Orange, CA 928681558440131
- Teresa Garcia, M.D.Orange, CA 928681841219243
- Peter Geddes, M.D.Orange, CA 928681730254988
- Marilee Hanson, MDOrange, CA 928681730185661
- Tabetha Harken, MD, MPHOrange, CA 928681821100983
Common questions
What is Rebecca Mia Sauer, M.D.'s NPI number?
Rebecca Mia Sauer, M.D.'s National Provider Identifier (NPI) is 1083973283, issued on May 8, 2012. An NPI identifies a provider in billing; it is not a license.
Where is Rebecca Mia Sauer, M.D. located?
The NPPES record lists a practice address at 333 City Blvd W Ste 1400, Orange, CA, 92868. Phone: (714) 456-2911. Providers update this record themselves, so call before visiting.
How can I verify Rebecca Mia Sauer, M.D.'s license?
NPPES lists California license number A128521, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Rebecca Mia Sauer, M.D. prescribe under Medicare Part D?
In 2024, Rebecca Mia Sauer, M.D. had 145 Medicare Part D claims for 56 beneficiaries; the average among obstetrics & gynecology physician prescribers was 165. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.