Olga Petrovna Thorne, M.D.
Obstetrics & Gynecology Physician · Sacramento, CA
Olga Petrovna Thorne, M.D. is an obstetrics & gynecology physician with a practice address in Sacramento, California, and NPI 1144400656, issued on Nov 13, 2007. Check the license (California A106908, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Olga Petrovna Thorne
- Credential
- M.D.
- Primary taxonomy
- Obstetrics & Gynecology Physician 207V00000X
- License number
- A106908 CA
Self-reported in NPPES; status is on the state search - Practice location
- 7601 Hospital Dr Ste 220, Sacramento, CA 95823
- Phone
- (916) 689-3433
- Enumerated
- Nov 13, 2007
- Record last updated
- Aug 12, 2020 (not updated in 6 years: call before relying on the address or phone)
- Fax
- (916) 689-8943
- Medicare enrollment
- Enrolled (PECOS I20090827000438); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest obstetrics & gynecology physician records → All 5,088 in California → Look up another NPI →
Also registered at 7601 Hospital Dr Ste 220
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Tiffany Isles, MDObstetrics & Gynecology Physician1851509566
- Freshta Kakar, D.OObstetrics & Gynecology Physician1023384526
- Seema Reddy Manchireddy, MDObstetrics & Gynecology Physician1790185866
- Julie Melchione, P.A.Physician Assistant1225005630
- Andrea Moreno, M.D.Obstetrics & Gynecology Physician1548680747
- Nneoma Ojiaku, M.D.Obstetrics & Gynecology Physician1811335235
Verify Olga Petrovna Thorne in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A106908Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
27% fewer Medicare Part D claims than the average obstetrics & gynecology physician in 2024
121 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. Brand-name drugs were 19% of claims.
Most prescribed
- Medroxyprogesterone Acetate19 claims
- Tranexamic Acid19 claims
- Dotti13 claims
- Metronidazole11 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
- Wellspace HealthSacramento, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Olga Petrovna Thorne among 5,088 obstetrics & gynecology physician records in California
Olga Petrovna Thorne, 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 2007, is newer than 48% of them.
- NPI issued2007 · 48% of these records are older, 38% newer
- In a Medicare fileYes · 74% of these records are
- In the CMS Doctors and Clinicians fileYes · 53% of these records are
- Graduated1996 · median 2004 among the 2,700 with a school on file
- Record last updated2020 · 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 Sacramento → Obstetrics & Gynecology Physician nationwide →
The 8 obstetrics & gynecology physician records with the nearest ZIP codes
- Nathan Allen, M.D.Sacramento, CA 958231598739161
- Cecelia Berg, MDSacramento, CA 958231063590784
- Melissa Bergstrom, MDSacramento, CA 958231225116718
- James Brode, M.D.Sacramento, CA 958231457333429
- Hui Min Cheong, MDSacramento, CA 958231285663930
- Carol Conrad-Forrest, MDSacramento, CA 958231235195967
- Fouad Darwish, MD OB GYNSacramento, CA 958231285698902
- Katherine Gillogley, M.D.Sacramento, CA 958231396759742
Common questions
What is Olga Petrovna Thorne, M.D.'s NPI number?
Olga Petrovna Thorne, M.D.'s National Provider Identifier (NPI) is 1144400656, issued on Nov 13, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Olga Petrovna Thorne, M.D. located?
The NPPES record lists a practice address at 7601 Hospital Dr Ste 220, Sacramento, CA, 95823. Phone: (916) 689-3433. Providers update this record themselves, so call before visiting.
How can I verify Olga Petrovna Thorne, M.D.'s license?
NPPES lists California license number A106908, 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 Olga Petrovna Thorne, M.D. prescribe under Medicare Part D?
In 2024, Olga Petrovna Thorne, M.D. had 121 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.