Karyn Leigh Gross, MD
Gynecology Physician · Tarzana, CA
Karyn Leigh Gross, MD is a gynecology physician with a practice address in Tarzana, California, and NPI 1922082452, issued on Nov 29, 2005. Check the license (California G44891, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Karyn Leigh Gross
- Credential
- MD
- Primary taxonomy
- Gynecology Physician 207VG0400X
- License number
- G44891 CA
Self-reported in NPPES; status is on the state search - Practice location
- 18411 Clark St, Tarzana, CA 91356
- Phone
- (818) 342-0400
- Enumerated
- Nov 29, 2005
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (818) 342-7307
- Entity
- Type 1 · individual
Also registered at 18411 Clark St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Theresa Daggi, NP-CAdult Health Nurse Practitioner1598189755
- Avron Daniller, M.D.Plastic Surgery Physician1952457673
- Sonia DelacruzSpecialist1083005672
- Allen Hoffman, M.D.Surgery Physician1881605848
- Stephen Howard, DDSPediatric Dentistry1083770697
Verify Karyn Leigh Gross in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G44891Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
96% fewer Medicare Part D claims than the average gynecology physician in 2024
13 Medicare Part D claims, against an average of 299 among the 1,919 providers of this specialty who prescribed in Part D.
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.
Gynecology Physician providers in California
There are 369 gynecology physician records in California.
Other gynecology physician records in California
- Keevan Abramson, MDFort Bragg, CA1851473177
- August Accetta, M.D.Bakersfield, CA1265506893
- Karen Adams, MDStanford, CA1922016484
- Robert Adams, MDMonterey, CA1316017601
- Christina Adberg, MDLos Angeles, CA1104837947
- Naphthali Alinsod, M.D.Laguna Beach, CA1326055096
- Parichehr Allameh, M.D.Sylmar, CA1053434563
- Margarita Alvarado, M.D.San Francisco, CA1417974858
- Michal Amir, M.D.Beverly Hills, CA1982790598
- Malaika Amneus, M.D.Sylmar, CA1538379706
Common questions
What is Karyn Leigh Gross, MD's NPI number?
Karyn Leigh Gross, MD's National Provider Identifier (NPI) is 1922082452, issued on Nov 29, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Karyn Leigh Gross, MD located?
The NPPES record lists a practice address at 18411 Clark St, Tarzana, CA, 91356. Phone: (818) 342-0400. Providers update this record themselves, so call before visiting.
How can I verify Karyn Leigh Gross, MD's license?
NPPES lists California license number G44891, 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 Karyn Leigh Gross, MD prescribe under Medicare Part D?
In 2024, Karyn Leigh Gross, MD had 13 Medicare Part D claims; the average among gynecology physician prescribers was 299. 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.