Jacqueline Ava Williams-Olango, MD
Obstetrics & Gynecology Physician · Bakersfield, CA
Jacqueline Ava Williams-Olango, MD is an obstetrics & gynecology physician with a practice address in Bakersfield, California, and NPI 1134219686, issued on Oct 13, 2006. Check the license (California A840690, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Jacqueline Ava Williams-Olango
- Credential
- MD
- Primary taxonomy
- Obstetrics & Gynecology Physician 207V00000X
- License number
- A840690 CA
Self-reported in NPPES; status is on the state search - Practice location
- 100 Old River RD, Bakersfield, CA 93311
- Phone
- (661) 663-4800
- Enumerated
- Oct 13, 2006
- Record last updated
- Sep 26, 2023
- Fax
- (661) 663-4871
- Medicaid ID
- 00A840690 CA
- Medicare enrollment
- Enrolled (PECOS I20040909000710); accepts Medicare assignment
- Medical or professional school
- Loma Linda University School Of Medicine, 1998
- Entity
- Type 1 · individual
8 nearest obstetrics & gynecology physician records → All 5,088 in California → Look up another NPI →
Also registered at 100 Old River RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Rochelle Anzaldo, RDNRegistered Dietitian1629617758
- Rhonda Colvin, PA-CMulti-Specialty Group1285940635
- Wendy Crenshaw, MDObstetrics & Gynecology Physician1205814340
- Lynn Del Mundo, PAPhysician Assistant1710604079
- Noel Del Mundo, M.D.Obstetrics & Gynecology Physician1245319805
- Crystal Hoffmann, ED.D.Student in an Organized Health Care Education/Training Program1528947074
Verify Jacqueline Ava Williams-Olango in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A840690Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
72% fewer Medicare Part D claims than the average obstetrics & gynecology physician in 2024
46 Medicare Part D claims for 22 beneficiaries, against an average of 165 among the 28,733 providers of this specialty who prescribed in Part D.
Most prescribed
- Estradiol11 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.
Bills Medicare through one group practice
- Southern California Permanente Medical GroupBakersfield, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Jacqueline Ava Williams-Olango among 5,088 obstetrics & gynecology physician records in California
Jacqueline Ava Williams-Olango, MD 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
- Graduated1998 · median 2004 among the 2,700 with a school on file
- Record last updated2023 · 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 Bakersfield → Obstetrics & Gynecology Physician nationwide →
The 8 obstetrics & gynecology physician records with the nearest ZIP codes
- Todd Andrews, M.D.Bakersfield, CA 933111407894215
- Wendy Crenshaw, MDBakersfield, CA 933111205814340
- Noel Del Mundo, M.D.Bakersfield, CA 933111245319805
- Lon Graves, M.D.Bakersfield, CA 933111831122993
- Tillaikarasi Kannappan, MDBakersfield, CA 933111598743635
- Gregory Klis, MDBakersfield, CA 933111508844648
- Luis Lopez, MDBakersfield, CA 933111992818322
- Marietta Marzan-Tan, MDBakersfield, CA 933111336127372
Common questions
What is Jacqueline Ava Williams-Olango, MD's NPI number?
Jacqueline Ava Williams-Olango, MD's National Provider Identifier (NPI) is 1134219686, issued on Oct 13, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Jacqueline Ava Williams-Olango, MD located?
The NPPES record lists a practice address at 100 Old River RD, Bakersfield, CA, 93311. Phone: (661) 663-4800. Providers update this record themselves, so call before visiting.
How can I verify Jacqueline Ava Williams-Olango, MD's license?
NPPES lists California license number A840690, 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 Jacqueline Ava Williams-Olango, MD prescribe under Medicare Part D?
In 2024, Jacqueline Ava Williams-Olango, MD had 46 Medicare Part D claims for 22 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.