Registry data as of Aug 27, 2026

Cathy Jang, MD

Obstetrics & Gynecology Physician · Woodland, CA

Cathy Jang, MD is an obstetrics & gynecology physician with a practice address in Woodland, California, and NPI 1750306718, issued on Jul 12, 2006. Check the license (California A81225, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.

Record from CMS NPPES, loaded Aug 27, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1750306718
Name
Cathy Jang
Credential
MD
Primary taxonomy
Obstetrics & Gynecology Physician 207V00000X
License number
A81225 CA
Self-reported in NPPES; status is on the state search
Practice location
1321 Cottonwood St, Woodland, CA 95695
Phone
(530) 666-1631
Enumerated
Jul 12, 2006
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 1321 Cottonwood St

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Verenisse Bejarano, PAPhysician Assistant1841590726
  2. Natasha Bir, MD, MHSSurgery Physician1396928362
  3. Craighton Chin, M.D.Otolaryngology Physician1205856937
  4. Robert Craven, M.D.Urology Physician1528098100
  5. Dominic Erba, M.D.Surgery Physician1356367759
  6. Linda Johnson, NPRegistered Nurse1124048764

Verify Cathy Jang in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A81225
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
Open the California license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

Statewide context: the Medical Board of California reported 374 disciplinary actions in FY 2022-23. California discipline data →

5% fewer Medicare Part D claims than the average obstetrics & gynecology physician in 2024

178 Medicare Part D claims for 66 beneficiaries, against an average of 188 among the 27,363 providers of this specialty who prescribed in Part D. Brand-name drugs were 16% of claims.

  1. Cathy Jang178
  2. Specialty average188

Most prescribed

  1. Estradiol66 claims
  2. Estring17 claims
  3. Triamcinolone Acetonide16 claims
  4. Clobetasol Propionate15 claims
  5. Acyclovir14 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 or facility affiliation

  1. Permanente Medical Group IncDavis, CA

Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.

Obstetrics & Gynecology Physician providers in California

There are 5,004 obstetrics & gynecology physician records in California.

Other obstetrics & gynecology physician records in California

  1. Ingrid Aalami, MDSan Jose, CA1952376550
  2. Avisa Abaian- Eagar, M.D.Orange, CA1316057755
  3. Derek Abbassi, MDWalnut Creek, CA1841364155
  4. Nicole Abell, DOVentura, CA1811243603
  5. Zachary AbelsonLos Angeles, CA1689237414
  6. Sina Abhari, MDNewport Beach, CA1073955290
  7. Ray Abinader, M.D.Loma Linda, CA1770901548
  8. Tarek Abou El Kheir, M.D.San Bernardino, CA1477521789
  9. Nada Abou-HaibaLos Angeles, CA1134067549
  10. Ariel Abrahams, MDDowney, CA1376726174

Common questions

What is Cathy Jang, MD's NPI number?

Cathy Jang, MD's National Provider Identifier (NPI) is 1750306718, issued on Jul 12, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Cathy Jang, MD located?

The NPPES record lists a practice address at 1321 Cottonwood St, Woodland, CA, 95695. Phone: (530) 666-1631. Providers update this record themselves, so call before visiting.

How can I verify Cathy Jang, MD's license?

NPPES lists California license number A81225, 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 Cathy Jang, MD prescribe under Medicare Part D?

In 2024, Cathy Jang, MD had 178 Medicare Part D claims for 66 beneficiaries; the average among obstetrics & gynecology physician prescribers was 188. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.