NPPES file of Aug 9, 2026

Ghazaleh Erfanzadeh, MD.

Internal Medicine Physician · Canyon Country, CA

Ghazaleh Erfanzadeh, MD. is an internal medicine physician with a practice address in Canyon Country, California, and NPI 1922398510, issued on Apr 15, 2011. Check the license (California A124365, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1922398510
Name
Ghazaleh Erfanzadeh
Credential
MD.
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
A124365 CA
Self-reported in NPPES; status is on the state search
Practice location
17909 Soledad Canyon RD, Canyon Country, CA 91387
Phone
(661) 250-5235
Enumerated
Apr 15, 2011
Record last updated
Dec 3, 2021 (not updated in 5 years: call before relying on the address or phone)
Fax
(661) 250-5210
Medicaid ID
00A1243650 CA
Medicare enrollment
Enrolled (PECOS I20140514001394); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 17909 Soledad Canyon RD

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

  1. Tarannum Alam, MD.Internal Medicine Physician1801814231
  2. Unber Ali, M.D.Internal Medicine Physician1588897045
  3. Mary Bizzle, RD.Registered Dietitian1689692014
  4. Elliot Bronwein, OD.Optometrist1225028244
  5. Michael Dalali, M.D.Ophthalmology Physician1184658338
  6. Erik Davydov, M.D.Internal Medicine Physician1336173582

Verify Ghazaleh Erfanzadeh in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A124365
    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.

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61% more Medicare Part D claims than the average internal medicine physician in 2024

5,129 Medicare Part D claims for 783 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims. 140 claims were for opioids.

  1. Ghazaleh Erfanzadeh5,129
  2. Specialty average3,176

Most prescribed

  1. Atorvastatin Calcium373 claims
  2. Rosuvastatin Calcium336 claims
  3. Amlodipine Besylate237 claims
  4. Losartan Potassium214 claims
  5. Lisinopril183 claims
  6. Levothyroxine Sodium180 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

  1. 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).

Ghazaleh Erfanzadeh among 17,696 internal medicine physician records in California

Ghazaleh Erfanzadeh, MD. 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 2011, is newer than 66% of them.

  • NPI issued2011 · 66% of these records are older, 32% newer
  • In a Medicare fileYes · 79% of these records are
  • In the CMS Doctors and Clinicians fileYes · 63% of these records are
  • Graduated2004 · 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).

12 internal medicine physician records list a practice address in Canyon Country

They are 12 of the 268 NPPES records with a practice address in Canyon Country, and 17,696 internal medicine physician records in California.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Tarannum Alam, MD.Canyon Country, CA 913871801814231
  2. Unber Ali, M.D.Canyon Country, CA 913871588897045
  3. Erik Davydov, M.D.Canyon Country, CA 913871336173582
  4. Alejandra Green, M.D.Canyon Country, CA 913871205221694
  5. Jin Hur, D.O.Canyon Country, CA 913871669978524
  6. Vernon Lackman, M.D.Canyon Country, CA 913871174554646
  7. Byong-Wha Lee, MDCanyon Country, CA 913871881613412
  8. Navid Massoudi, MDCanyon Country, CA 913871063450351

Common questions

What is Ghazaleh Erfanzadeh, MD.'s NPI number?

Ghazaleh Erfanzadeh, MD.'s National Provider Identifier (NPI) is 1922398510, issued on Apr 15, 2011. An NPI identifies a provider in billing; it is not a license.

Where is Ghazaleh Erfanzadeh, MD. located?

The NPPES record lists a practice address at 17909 Soledad Canyon RD, Canyon Country, CA, 91387. Phone: (661) 250-5235. Providers update this record themselves, so call before visiting.

How can I verify Ghazaleh Erfanzadeh, MD.'s license?

NPPES lists California license number A124365, 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 Ghazaleh Erfanzadeh, MD. prescribe under Medicare Part D?

In 2024, Ghazaleh Erfanzadeh, MD. had 5,129 Medicare Part D claims for 783 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.