Billie Yvonne Guerra, DO
Obstetrics & Gynecology Physician · Ridgecrest, CA
Billie Yvonne Guerra, DO is an obstetrics & gynecology physician with a practice address in Ridgecrest, California, and NPI 1679528897, issued on May 24, 2006. Check the license (California 20A8965, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Billie Yvonne Guerra
- Credential
- DO
- Primary taxonomy
- Obstetrics & Gynecology Physician 207V00000X
- License number
- 20A8965 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1011 N China Lake Blvd, Ridgecrest, CA 93555
- Phone
- (760) 499-3640
- Enumerated
- May 24, 2006
- Record last updated
- May 17, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (760) 499-7229
- Medicare enrollment
- Enrolled (PECOS I20060207000858); accepts Medicare assignment
- Medical or professional school
- Michigan State University College Of Osteopathic Medicine, 1994
- Entity
- Type 1 · individual
8 nearest obstetrics & gynecology physician records → All 5,088 in California → Look up another NPI →
Also registered at 1011 N China Lake Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Joseph Edwards, MDObstetrics & Gynecology Physician1548248776
- Julene Evans Murage, MDObstetrics & Gynecology Physician1356356919
- Everard Hughes, MDHematology & Oncology Physician1225033152
- Ray Iskander, MDObstetrics & Gynecology Physician1144303199
- Megan Kajiwara, WHNPWomen's Health Nurse Practitioner1871375444
- Mariah Pietrangelo, WHNPWomen's Health Nurse Practitioner1144095886
Verify Billie Yvonne Guerra in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license 20A8965Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
55% fewer Medicare Part D claims than the average obstetrics & gynecology physician in 2024
75 Medicare Part D claims for 28 beneficiaries, against an average of 165 among the 28,733 providers of this specialty who prescribed in Part D.
Most prescribed
- Fluconazole15 claims
- Estradiol12 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.
One hospital affiliation
- Ridgecrest Regional HospitalRidgecrest, CA · Critical Access Hospitals
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov).
Billie Yvonne Guerra among 5,088 obstetrics & gynecology physician records in California
Billie Yvonne Guerra, DO 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 2006, is newer than 5% of them.
- NPI issued2006 · 5% of these records are older, 52% newer
- In a Medicare fileYes · 74% of these records are
- In the CMS Doctors and Clinicians fileYes · 53% of these records are
- Graduated1994 · median 2004 among the 2,700 with a school on file
- Record last updated2021 · 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).
7 obstetrics & gynecology physician records list a practice address in Ridgecrest
They are 7 of the 485 NPPES records with a practice address in Ridgecrest, and 5,088 obstetrics & gynecology physician records in California.
All 5,088 in California → Every provider in Ridgecrest → Obstetrics & Gynecology Physician nationwide →
The 8 obstetrics & gynecology physician records with the nearest ZIP codes
- Judith Burichin, M.D.Ridgecrest, CA 935551336145739
- Joseph Edwards, MDRidgecrest, CA 935551548248776
- Julene Evans Murage, MDRidgecrest, CA 935551356356919
- Ray Iskander, MDRidgecrest, CA 935551144303199
- Bobby Miller, M.D.Ridgecrest, CA 935551730185992
- Rose Stone, M.D.Ridgecrest, CA 935551679584734
- Nicholas Rogers, MDPalmdale, CA 935511124203583
- Paul Singh, DOTehachapi, CA 935611841268026
Common questions
What is Billie Yvonne Guerra, DO's NPI number?
Billie Yvonne Guerra, DO's National Provider Identifier (NPI) is 1679528897, issued on May 24, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Billie Yvonne Guerra, DO located?
The NPPES record lists a practice address at 1011 N China Lake Blvd, Ridgecrest, CA, 93555. Phone: (760) 499-3640. Providers update this record themselves, so call before visiting.
How can I verify Billie Yvonne Guerra, DO's license?
NPPES lists California license number 20A8965, 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 Billie Yvonne Guerra, DO prescribe under Medicare Part D?
In 2024, Billie Yvonne Guerra, DO had 75 Medicare Part D claims for 28 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.