Cori Pachtman, MD
Obstetrics & Gynecology Physician · Antioch, CA
Cori Pachtman, MD is an obstetrics & gynecology physician with a practice address in Antioch, California, and NPI 1902984081, issued on Nov 2, 2006. Check the license (California A82857, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Cori Pachtman
- Credential
- MD
- Primary taxonomy
- Obstetrics & Gynecology Physician 207V00000X
- License number
- A82857 CA
Self-reported in NPPES; status is on the state search - Practice location
- 5601 Deer Valley RD, Antioch, CA 94531
- Phone
- (925) 813-6500
- Enumerated
- Nov 2, 2006
- Record last updated
- Dec 9, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicaid ID
- 00A828570 CA
- Medicare enrollment
- Enrolled (PECOS I20031226000375); accepts Medicare assignment
- Medical or professional school
- Tulane University School Of Medicine, 1999
- Entity
- Type 1 · individual
8 nearest obstetrics & gynecology physician records → All 5,088 in California → Look up another NPI →
Also registered at 5601 Deer Valley RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Atul Agrawal, MDRheumatology Physician1528146016
- Jalal Atmar, MDInternal Medicine Physician1265510846
- Darcy Baird, MDObstetrics & Gynecology Physician1538231337
- Jodi Bryner, PHARM.D.Pharmacist1205035441
- Johanna Burch, MDObstetrics & Gynecology Physician1700413010
- Carol Candiotti, NPNurse Practitioner1346264967
Verify Cori Pachtman in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A82857Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
75% more Medicare Part D claims than the average obstetrics & gynecology physician in 2024
289 Medicare Part D claims for 144 beneficiaries, against an average of 165 among the 28,733 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims.
Most prescribed
- Estradiol56 claims
- Yuvafem34 claims
- Fluconazole21 claims
- Hydrocortisone16 claims
- Climara15 claims
- Estring14 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
- Permanente Medical Group IncRichmond, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Cori Pachtman among 5,088 obstetrics & gynecology physician records in California
Cori Pachtman, 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
- Graduated1999 · 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).
Obstetrics & Gynecology Physician providers in California
There are 5,088 obstetrics & gynecology physician records in California.
All 5,088 in California → Every provider in Antioch → Obstetrics & Gynecology Physician nationwide →
The 8 obstetrics & gynecology physician records with the nearest ZIP codes
- Darcy Baird, MDAntioch, CA 945311538231337
- Johanna Burch, MDAntioch, CA 945311700413010
- Sarah-Bianca Dolisca, M.D.Antioch, CA 945311821529579
- James Ferry, MDAntioch, CA 945311619055704
- Mary Klemm, DOAntioch, CA 945311346328432
- Anahita LatorraAntioch, CA 945311124201223
- Jessica Lennon, MDAntioch, CA 945311093157984
- Allen Nan, MDAntioch, CA 945311750469326
Common questions
What is Cori Pachtman, MD's NPI number?
Cori Pachtman, MD's National Provider Identifier (NPI) is 1902984081, issued on Nov 2, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Cori Pachtman, MD located?
The NPPES record lists a practice address at 5601 Deer Valley RD, Antioch, CA, 94531. Phone: (925) 813-6500. Providers update this record themselves, so call before visiting.
How can I verify Cori Pachtman, MD's license?
NPPES lists California license number A82857, 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 Cori Pachtman, MD prescribe under Medicare Part D?
In 2024, Cori Pachtman, MD had 289 Medicare Part D claims for 144 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.