Jay K. Iinuma, MD
Family Medicine Physician · Los Angeles, CA
Jay K. Iinuma, MD is a family medicine physician with a practice address in Los Angeles, California, and NPI 1659442564, issued on Nov 13, 2006. Check the license (California G77312, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Jay K. Iinuma
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License numbers
- G77312 CA
G077312 CA
Self-reported in NPPES; status is on the state search - Practice location
- 420 E 3RD St Ste 904, Los Angeles, CA 90013
- Phone
- (213) 947-3171
- Enumerated
- Nov 13, 2006
- Record last updated
- Aug 4, 2022
- Fax
- (213) 947-3173
- Medicare enrollment
- Enrolled (PECOS I20100629000258); accepts Medicare assignment
- Medical or professional school
- University Of California, Geffen School Of Medicine, 1992
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 17,133 in California → Look up another NPI →
Verify Jay K. Iinuma in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G77312Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
47% more Medicare Part D claims than the average family medicine physician in 2024
5,198 Medicare Part D claims for 310 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 9% of claims. 19 claims were for opioids.
Most prescribed
- Atorvastatin Calcium346 claims
- Amlodipine Besylate228 claims
- Metformin Hcl218 claims
- Losartan Potassium207 claims
- Levothyroxine Sodium187 claims
- Gabapentin148 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: $28.47
1 payment: food and beverage; the largest payer was Novo Nordisk Inc. The 55,478 providers of this specialty with any payment received $902.55 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.
Jay K. Iinuma among 17,133 family medicine physician records in California
Jay K. Iinuma, 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 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
- Graduated1992 · median 2005 among the 10,652 with a school on file
- Record last updated2022 · 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).
829 family medicine physician records list a practice address in Los Angeles
They are 829 of the 69,537 NPPES records with a practice address in Los Angeles, and 17,133 family medicine physician records in California.
All 17,133 in California → Every provider in Los Angeles → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Kalaki Clarke, M.D.Los Angeles, CA 900131639393366
- Eriana Fisher, MDLos Angeles, CA 900131336887645
- Gabriel Pedro Florescio, M.D.Los Angeles, CA 900131114668571
- Danny LeeLos Angeles, CA 900131639799273
- Jason Nacorda, D.O.Los Angeles, CA 900131659716827
- Marla Potter, M.D.Los Angeles, CA 900131851653059
- Oliver Ting, MDLos Angeles, CA 900131689339806
- Jemma Alarcon, MDLos Angeles, CA 900121205493665
Common questions
What is Jay K. Iinuma, MD's NPI number?
Jay K. Iinuma, MD's National Provider Identifier (NPI) is 1659442564, issued on Nov 13, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Jay K. Iinuma, MD located?
The NPPES record lists a practice address at 420 E 3RD St Ste 904, Los Angeles, CA, 90013. Phone: (213) 947-3171. Providers update this record themselves, so call before visiting.
How can I verify Jay K. Iinuma, MD's license?
NPPES lists California license number G77312, 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 Jay K. Iinuma, MD prescribe under Medicare Part D?
In 2024, Jay K. Iinuma, MD had 5,198 Medicare Part D claims for 310 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.