Steven Eric Horowitz, D.O.
Family Medicine Physician · El Cajon, CA
Steven Eric Horowitz, D.O. is a family medicine physician with a practice address in El Cajon, California, and NPI 1619997624, issued on Jul 20, 2006. Check the license (California 20A4926, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Steven Eric Horowitz
- Credential
- D.O.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License numbers
- 20A4926 CA
2OA4926 CA
Self-reported in NPPES; status is on the state search - Practice location
- 161 E Main St, El Cajon, CA 92020
- Phone
- (619) 442-5400
- Enumerated
- Jul 20, 2006
- Record last updated
- Dec 3, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (619) 285-9791
- Medicaid ID
- AX49260 CA
- Medicare enrollment
- Enrolled (PECOS I20051205000872); accepts Medicare assignment
- Medical or professional school
- College Of Osteo Med Of The Pacific At Pomona, 1983
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 17,133 in California → Look up another NPI →
Also registered at 161 E Main St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Janet Chudacek, NPPsychiatric/Mental Health Nurse Practitioner1932606118
- Robert Sanders, D.O.Psychiatry Physician1144264300
Verify Steven Eric Horowitz in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license 20A4926Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
80% fewer Medicare Part D claims than the average family medicine physician in 2024
725 Medicare Part D claims for 516 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. 12 claims were for opioids.
Most prescribed
- Meloxicam105 claims
- Nabumetone100 claims
- Sulfamethoxazole-Trimethoprim85 claims
- Azithromycin65 claims
- Prednisone41 claims
- Albuterol Sulfate Hfa32 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 GroupSan Diego, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Steven Eric Horowitz among 17,133 family medicine physician records in California
Steven Eric Horowitz, D.O. 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 2006, is newer than 6% of them.
- NPI issued2006 · 6% of these records are older, 59% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 62% of these records are
- Graduated1983 · median 2005 among the 10,652 with a school on file
- Record last updated2021 · 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).
52 family medicine physician records list a practice address in El Cajon
They are 52 of the 3,277 NPPES records with a practice address in El Cajon, and 17,133 family medicine physician records in California.
All 17,133 in California → Every provider in El Cajon → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Mumtaz Almansour, M.D.El Cajon, CA 920201558567446
- Mohamed Baiou, M.D.El Cajon, CA 920201447542659
- Susan Catling, N.P.El Cajon, CA 920201598867046
- Kevin Ellis, D.OEl Cajon, CA 920201306861703
- Mohan Garikaparthi, M.D.El Cajon, CA 920201528149168
- Christopher Gordon, MDEl Cajon, CA 920201477711521
- Carol Hastanan, MDEl Cajon, CA 920201861648461
- John Kasawa, M.D.El Cajon, CA 920201134230329
Common questions
What is Steven Eric Horowitz, D.O.'s NPI number?
Steven Eric Horowitz, D.O.'s National Provider Identifier (NPI) is 1619997624, issued on Jul 20, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Steven Eric Horowitz, D.O. located?
The NPPES record lists a practice address at 161 E Main St, El Cajon, CA, 92020. Phone: (619) 442-5400. Providers update this record themselves, so call before visiting.
How can I verify Steven Eric Horowitz, D.O.'s license?
NPPES lists California license number 20A4926, 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 Steven Eric Horowitz, D.O. prescribe under Medicare Part D?
In 2024, Steven Eric Horowitz, D.O. had 725 Medicare Part D claims for 516 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.