Catherine Elizabeth Farahani, M.D.
Internal Medicine Physician · Woodland Hills, CA
Catherine Elizabeth Farahani, M.D. is an internal medicine physician with a practice address in Woodland Hills, California, and NPI 1770819054, issued on Oct 21, 2009. Check the license (California A105900, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Catherine Elizabeth Farahani
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- A105900 CA
Self-reported in NPPES; status is on the state search - Practice location
- 21263 Erwin Street, Woodland Hills, CA 91367
- Phone
- (888) 515-3500
- Enumerated
- Oct 21, 2009
- Record last updated
- Dec 7, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20101122000847); accepts Medicare assignment
- Medical or professional school
- University Of California, Geffen School Of Medicine, 2007
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 17,696 in California → Look up another NPI →
Also registered at 21263 Erwin Street
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Takako Mukai, MDStudent in an Organized Health Care Education/Training Program1366602427
Verify Catherine Elizabeth Farahani in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A105900Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.5 times the Medicare Part D claims of the average internal medicine physician in 2024
7,876 Medicare Part D claims for 809 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 8% of claims. 281 claims were for opioids.
Most prescribed
- Atorvastatin Calcium620 claims
- Rosuvastatin Calcium433 claims
- Lisinopril345 claims
- Levothyroxine Sodium318 claims
- Metformin Hcl Er304 claims
- Amlodipine Besylate274 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
- Southern California Permanente Medical GroupWoodland Hills, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Catherine Elizabeth Farahani among 17,696 internal medicine physician records in California
Catherine Elizabeth Farahani, M.D. is one of 17,696 internal medicine physician records with a practice address in California. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2009, is newer than 60% of them.
- NPI issued2009 · 60% of these records are older, 37% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated2007 · median 2004 among the 11,065 with a school on file
- Record last updated2021 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
105 internal medicine physician records list a practice address in Woodland Hills
They are 105 of the 4,455 NPPES records with a practice address in Woodland Hills, and 17,696 internal medicine physician records in California.
All 17,696 in California → Every provider in Woodland Hills → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Paz Eilat, M.D.Woodland Hills, CA 913671053425108
- Thomas Gruhlke, M.D.Woodland Hills, CA 913671437132438
- Benjamin Hashem, MDWoodland Hills, CA 913671184668154
- Marion Ho, M.D.Woodland Hills, CA 913671003929225
- Allan Kurtz, D.O.Woodland Hills, CA 913671679656946
- Anthony Nguyen, MDWoodland Hills, CA 913671821162736
- Ting Pan, MDWoodland Hills, CA 913671205856986
- Vishal Patel, M.D.Woodland Hills, CA 913671316956337
Common questions
What is Catherine Elizabeth Farahani, M.D.'s NPI number?
Catherine Elizabeth Farahani, M.D.'s National Provider Identifier (NPI) is 1770819054, issued on Oct 21, 2009. An NPI identifies a provider in billing; it is not a license.
Where is Catherine Elizabeth Farahani, M.D. located?
The NPPES record lists a practice address at 21263 Erwin Street, Woodland Hills, CA, 91367. Phone: (888) 515-3500. Providers update this record themselves, so call before visiting.
How can I verify Catherine Elizabeth Farahani, M.D.'s license?
NPPES lists California license number A105900, 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 Elizabeth Farahani, M.D. prescribe under Medicare Part D?
In 2024, Catherine Elizabeth Farahani, M.D. had 7,876 Medicare Part D claims for 809 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.