NPPES file of Aug 9, 2026

Jerome Gary Davidson, MD

Hematology & Oncology Physician · Northridge, CA

Jerome Gary Davidson, MD is a hematology & oncology physician with a practice address in Northridge, California, and NPI 1114926490, issued on Jul 19, 2005. Check the license (California A22489, 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
1114926490
Name
Jerome Gary Davidson
Credential
MD
Primary taxonomy
Hematology & Oncology Physician 207RH0003X
License number
A22489 CA
Self-reported in NPPES; status is on the state search
Practice location
18300 Roscoe Blvd, Northridge, CA 91325
Phone
(818) 700-2336
Enumerated
Jul 19, 2005
Record last updated
Jun 8, 2011 (not updated in 15 years: call before relying on the address or phone)
Fax
(818) 700-2337
Medicaid IDs
OOA224890 CA
1114926490 CA
1902108293 CA
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 18300 Roscoe Blvd

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

  1. Frank Abt, P.A.Physician Assistant1184670374
  2. Tara Adams-Clarke, DPTPhysical Therapist1902304033
  3. Norair Adjamian, DOSurgery Physician1538689021
  4. Shahla AldavoodiPsychiatric/Mental Health Nurse Practitioner1104328384
  5. Dominick AmparanoFamily Nurse Practitioner1023797321
  6. Esi AsamoahRegistered Nurse1558160515

Verify Jerome Gary Davidson in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A22489
    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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95% fewer Medicare Part D claims than the average hematology & oncology physician in 2024

45 Medicare Part D claims, against an average of 877 among the 10,784 providers of this specialty who prescribed in Part D.

  1. Jerome Davidson45
  2. Specialty average877

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.

Jerome Gary Davidson among 1,583 hematology & oncology physician records in California

Jerome Gary Davidson, MD is one of 1,583 hematology & oncology physician records with a practice address in California. 83% 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, 92% newer
  • In a Medicare fileYes · 83% of these records are
  • In the CMS Doctors and Clinicians fileNo · 71% of these records are
  • Record last updated2011 · 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 207RH0003X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Hematology & Oncology Physician providers in California

There are 1,583 hematology & oncology physician records in California.

The 8 hematology & oncology physician records with the nearest ZIP codes

  1. Sheldon Davidson, MDNorthridge, CA 913251457350738
  2. Carl Singerman, MDNorthridge, CA 913251134128556
  3. Vinita Singh, MDNorthridge, CA 913251679507248
  4. Draupadi Talreja, M.D.Northridge, CA 913251326073743
  5. Juan Alcantar, MDPorter Ranch, CA 913261972658540
  6. David Kim, M.D.Port Ranch, CA 913261558505321
  7. David Shin, M.D.Porter Ranch, CA 913261811194947
  8. Sumita Bhatta, MDThousand Oaks, CA 913201588827802

Common questions

What is Jerome Gary Davidson, MD's NPI number?

Jerome Gary Davidson, MD's National Provider Identifier (NPI) is 1114926490, issued on Jul 19, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Jerome Gary Davidson, MD located?

The NPPES record lists a practice address at 18300 Roscoe Blvd, Northridge, CA, 91325. Phone: (818) 700-2336. Providers update this record themselves, so call before visiting.

How can I verify Jerome Gary Davidson, MD's license?

NPPES lists California license number A22489, 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 Jerome Gary Davidson, MD prescribe under Medicare Part D?

In 2024, Jerome Gary Davidson, MD had 45 Medicare Part D claims; the average among hematology & oncology physician prescribers was 877. 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.