Harold Jay Kaplan, M.D.
Specialist · Torrance, CA
Harold Jay Kaplan, M.D. is a specialist with a practice address in Torrance, California, and NPI 1700908142, issued on Apr 5, 2007. Check the license (California G23014, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Harold Jay Kaplan
- Credential
- M.D.
- Primary taxonomy
- Specialist 174400000X
- License number
- G23014 CA
Self-reported in NPPES; status is on the state search - Practice location
- 3640 Lomita Blvd Ste 106, Torrance, CA 90505
- Phone
- (310) 378-3444
- Enumerated
- Apr 5, 2007
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (310) 378-3760
- Entity
- Type 1 · individual
8 nearest specialist records → All 5,749 in California → Look up another NPI →
Also registered at 3640 Lomita Blvd Ste 106
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Sarah An, NPFamily Nurse Practitioner1881213874
- Anita Burdette, LCSWClinical Social Worker1497399869
- Arielle Davidson, FNP-CFamily Nurse Practitioner1043847130
- Mary Margaret Fong, PHARM.D.Pharmacist Clinician (PhC)/ Clinical Pharmacy Specialist1700257516
- Tiffany Hsu, M.D.Hospice and Palliative Medicine (Internal Medicine) Physician1740642248
- Tri Mai, PHARM.D.Pharmacist1295402691
Verify Harold Jay Kaplan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license G23014Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
97% fewer Medicare Part D claims than the average specialist in 2024
36 Medicare Part D claims for 11 beneficiaries, against an average of 1,380 among the 8,233 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of 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.
Industry payments in 2024: $15.30
1 payment: food and beverage; the largest payer was Galderma Laboratories, L.P. The 5,844 providers of this specialty with any payment received $4,760.79 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Harold Jay Kaplan among 5,749 specialist records in California
Harold Jay Kaplan, M.D. is one of 5,749 specialist records with a practice address in California. 30% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 40% of them.
- NPI issued2007 · 40% of these records are older, 44% newer
- In a Medicare fileYes · 30% of these records are
- In the CMS Doctors and Clinicians fileNo · 19% of these records are
- Record last updated2007 · 77% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 174400000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Specialist providers in California
There are 5,749 specialist records in California.
All 5,749 in California → Every provider in Torrance → Specialist nationwide →
The 8 specialist records with the nearest ZIP codes
- Michael Arnstein, M.D.Torrance, CA 905051821000100
- James Black, M.D.Torrance, CA 905051821000191
- Peter Borden, MDTorrance, CA 905051972527380
- John Boyd, M.D.Torrance, CA 905051083626238
- Roger Dumke, M.D.Torrance, CA 905051437263134
- Claude Friedmann, M.D.Torrance, CA 905051558325621
- David Kim, M.D.Torrance, CA 905051700992534
- Timothy McGillivray, M.D.Torrance, CA 905051497869853
Common questions
What is Harold Jay Kaplan, M.D.'s NPI number?
Harold Jay Kaplan, M.D.'s National Provider Identifier (NPI) is 1700908142, issued on Apr 5, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Harold Jay Kaplan, M.D. located?
The NPPES record lists a practice address at 3640 Lomita Blvd Ste 106, Torrance, CA, 90505. Phone: (310) 378-3444. Providers update this record themselves, so call before visiting.
How can I verify Harold Jay Kaplan, M.D.'s license?
NPPES lists California license number G23014, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Harold Jay Kaplan, M.D. prescribe under Medicare Part D?
In 2024, Harold Jay Kaplan, M.D. had 36 Medicare Part D claims for 11 beneficiaries; the average among specialist prescribers was 1,380. 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.