NPPES file of Aug 9, 2026

Isak Elkayam, MD

Family Medicine Physician · Northridge, CA

Isak Elkayam, MD is a family medicine physician with a practice address in Northridge, California, and NPI 1902425465, issued on Apr 14, 2020. Check the license (California A182109, 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
1902425465
Name
Isak Elkayam
Credential
MD
Primary taxonomy
Family Medicine Physician 207Q00000X
License number
A182109 CA
Self-reported in NPPES; status is on the state search
Practice location
18546 Roscoe Blvd Ste 300, Northridge, CA 91324
Phone
(818) 886-4028
Enumerated
Apr 14, 2020
Record last updated
Feb 9, 2026
Medicare enrollment
Enrolled (PECOS I20221028001705); accepts Medicare assignment
Telehealth
Offers telehealth (CMS)
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.
Download card Updates feed

Also registered at 18546 Roscoe Blvd Ste 300

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

  1. Darin Buschmann, M.D.Internal Medicine Physician1558381004
  2. Sean Chen, MDAdult Medicine Physician1336777838
  3. Kathryn Erhahon-Ilen-Otuma, FNPFamily Nurse Practitioner1770209025
  4. Arthur Gordon, MDInternal Medicine Physician1659431120
  5. Sharon Grewal, MDInternal Medicine Physician1831719624
  6. Norinda Kremicki, NPFamily Nurse Practitioner1780645077

Verify Isak Elkayam in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A182109
    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.

Is this page about you? You can ask us to correct, restrict or remove it: how.

22% more Medicare Part D claims than the average family medicine physician in 2024

4,325 Medicare Part D claims for 613 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims. 21 claims were for opioids.

  1. Isak Elkayam4,325
  2. Specialty average3,544

Most prescribed

  1. Atorvastatin Calcium349 claims
  2. Losartan Potassium202 claims
  3. Rosuvastatin Calcium188 claims
  4. Jardiance151 claims
  5. Lisinopril130 claims
  6. Amlodipine Besylate129 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. Healthcare Partners Affiliates Medical GroupAnaheim, CA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Isak Elkayam among 17,133 family medicine physician records in California

Isak Elkayam, MD is one of 17,133 family medicine physician records with a practice address in California. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2020, is newer than 88% of them.

  • NPI issued2020 · 88% of these records are older, 9% newer
  • In a Medicare fileYes · 81% of these records are
  • In the CMS Doctors and Clinicians fileYes · 62% of these records are
  • Graduated2020 · median 2005 among the 10,652 with a school on file
  • Record last updated2026 · 58% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

55 family medicine physician records list a practice address in Northridge

They are 55 of the 2,598 NPPES records with a practice address in Northridge, and 17,133 family medicine physician records in California.

The 8 family medicine physician records with the nearest ZIP codes

  1. Albert Askarinam, M.D.Northridge, CA 913241346305422
  2. Daniel Eshaghian, M.D.Northridge, CA 913241497015085
  3. Jason Groomer, D.ONorthridge, CA 913241619986965
  4. Arthur Karaguezian, M.D.Northridge, CA 913241063603009
  5. Zahra Sherazi, MDNorthridge, CA 913241952894891
  6. Philip Shore, MDNorthridge, CA 913241295750529
  7. Terence Thompson, M.D.Northridge, CA 913241497746663
  8. Julio Vasquez, MDNorthridge, CA 913241639262561

Common questions

What is Isak Elkayam, MD's NPI number?

Isak Elkayam, MD's National Provider Identifier (NPI) is 1902425465, issued on Apr 14, 2020. An NPI identifies a provider in billing; it is not a license.

Where is Isak Elkayam, MD located?

The NPPES record lists a practice address at 18546 Roscoe Blvd Ste 300, Northridge, CA, 91324. Phone: (818) 886-4028. Providers update this record themselves, so call before visiting.

How can I verify Isak Elkayam, MD's license?

NPPES lists California license number A182109, 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 Isak Elkayam, MD prescribe under Medicare Part D?

In 2024, Isak Elkayam, MD had 4,325 Medicare Part D claims for 613 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.