Catherine Chong-Ae Kim, MD
Obstetrics & Gynecology Physician · Simi Valley, CA
Catherine Chong-Ae Kim, MD is an obstetrics & gynecology physician with a practice address in Simi Valley, California, and NPI 1972596120, issued on Aug 23, 2005. Check the license (California A55929, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Catherine Chong-Ae Kim
- Credential
- MD
- Primary taxonomy
- Obstetrics & Gynecology Physician 207V00000X
- License number
- A55929 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1147 Red Tail Way, Simi Valley, CA 93065
- Phone
- (805) 527-8055
- Enumerated
- Aug 23, 2005
- Record last updated
- Jun 27, 2012 (not updated in 14 years: call before relying on the address or phone)
- Fax
- (805) 520-8849
- Medicaid ID
- 00A559290 CA
- Medicare enrollment
- Enrolled (PECOS I20101122000900); accepts Medicare assignment
- Medical or professional school
- University Of California, Geffen School Of Medicine, 1994
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest obstetrics & gynecology physician records → All 5,088 in California → Look up another NPI →
Also registered at 1147 Red Tail Way
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Brittney Ayers, NURSE PRACTITIONERFamily Nurse Practitioner1114454816
- Sarah Garcia, D.O.Obstetrics & Gynecology Physician1790088714
- John Koh, MDObstetrics & Gynecology Physician1841283009
- Ga Lee, M.D.Obstetrics & Gynecology Physician1497918254
- Jennifer Lee, D.O.Obstetrics & Gynecology Physician1033502869
- Gerald Murphy, MDObstetrics & Gynecology Physician1023001286
Verify Catherine Chong-Ae Kim in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A55929Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
36% more Medicare Part D claims than the average obstetrics & gynecology physician in 2024
225 Medicare Part D claims for 73 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
- Estradiol52 claims
- Progesterone28 claims
- Estradiol (Twice Weekly)18 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.
Industry payments in 2024: $329.06
13 payments; by number, the most common kind was food and beverage; the largest payer was Sage Therapeutics, Inc. The 21,429 providers of this specialty with any payment received $1,030.61 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Simi Obstetrics And Gynecology Medical Group A Medical CorpSimi Valley, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Catherine Chong-Ae Kim among 5,088 obstetrics & gynecology physician records in California
Catherine Chong-Ae Kim, 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 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 95% 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 updated2012 · 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 Simi Valley → Obstetrics & Gynecology Physician nationwide →
The 8 obstetrics & gynecology physician records with the nearest ZIP codes
- Sarah Garcia, D.O.Simi Valley, CA 930651790088714
- John Koh, MDSimi Valley, CA 930651841283009
- Ga Lee, M.D.Simi Valley, CA 930651497918254
- Jennifer Lee, D.O.Simi Valley, CA 930651033502869
- Gerald Murphy, MDSimi Valley, CA 930651023001286
- Abigail NimzSimi Valley, CA 930651750736260
- Roopa Rao-Karlamangla, M.D.Simi Valley, CA 930651588650865
- Irene Tan, M.D.Simi Valley, CA 930651699942425
Common questions
What is Catherine Chong-Ae Kim, MD's NPI number?
Catherine Chong-Ae Kim, MD's National Provider Identifier (NPI) is 1972596120, issued on Aug 23, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Catherine Chong-Ae Kim, MD located?
The NPPES record lists a practice address at 1147 Red Tail Way, Simi Valley, CA, 93065. Phone: (805) 527-8055. Providers update this record themselves, so call before visiting.
How can I verify Catherine Chong-Ae Kim, MD's license?
NPPES lists California license number A55929, 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 Catherine Chong-Ae Kim, MD prescribe under Medicare Part D?
In 2024, Catherine Chong-Ae Kim, MD had 225 Medicare Part D claims for 73 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.