NPPES file of Aug 9, 2026

Jon A. Kobashigawa, M.D.

Advanced Heart Failure and Transplant Cardiology Physician · Los Angeles, CA

Jon A. Kobashigawa, M.D. is an advanced heart failure and transplant cardiology physician with a practice address in Los Angeles, California, and NPI 1467548073, issued on Oct 4, 2006. Check the license (California G45447, 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 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1467548073
Name
Jon A. Kobashigawa
Credential
M.D.
Primary taxonomy
Advanced Heart Failure and Transplant Cardiology Physician 207RA0001X
License numbers
G45447 CA
G045447 CA
Self-reported in NPPES; status is on the state search
Practice location
127 S San Vicente Blvd # A3107, Los Angeles, CA 90048
Phone
(310) 248-3830
Enumerated
Oct 4, 2006
Record last updated
Oct 25, 2019 (not updated in 7 years: call before relying on the address or phone)
Fax
(310) 248-8338
Medicare enrollment
Enrolled (PECOS I20110125001111); accepts Medicare assignment
Medical or professional school
Icahn School Of Medicine At Mount Sinai, 1980
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.
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Verify Jon A. Kobashigawa in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license G45447
    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

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16% more Medicare Part D claims than the average advanced heart failure and transplant cardiology physician in 2024

2,285 Medicare Part D claims for 249 beneficiaries, against an average of 1,965 among the 1,124 providers of this specialty who prescribed in Part D. Brand-name drugs were 17% of claims.

  1. Jon Kobashigawa2,285
  2. Specialty average1,965

Most prescribed

  1. Atorvastatin Calcium159 claims
  2. Metoprolol Succinate147 claims
  3. Pravastatin Sodium134 claims
  4. Carvedilol123 claims
  5. Eliquis107 claims
  6. Amlodipine Besylate98 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.

The practice group's MIPS final score for 2023 (Medicare payment program): 85.7 of 100

The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score85.7
  2. Costout of 100 · 30%61.5
  3. Promoting interoperabilityout of 100 · 25%100.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Industry payments in 2024: $3,148.07

6 payments; by number, the most common kind was travel and lodging; the largest payer was Merck Sharp & Dohme LLC. The 1,027 providers of this specialty with any payment received $10,265.85 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Jon Kobashigawa$3,148
  2. Specialty average$10,266

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through one group practice

  1. Cedars-Sinai Medical Care FoundationBeverly Hills, CA

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

Jon A. Kobashigawa among 115 advanced heart failure and transplant cardiology physician records in California

Jon A. Kobashigawa, M.D. is one of 115 advanced heart failure and transplant cardiology physician records with a practice address in California. 98% 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 3% of them.

  • NPI issued2006 · 3% of these records are older, 71% newer
  • In a Medicare fileYes · 98% of these records are
  • In the CMS Doctors and Clinicians fileYes · 95% of these records are
  • Graduated1980 · median 2007 among the 109 with a school on file
  • Record last updated2019 · 43% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RA0001X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Advanced Heart Failure and Transplant Cardiology Physician providers in California

There are 115 advanced heart failure and transplant cardiology physician records in California.

The 8 advanced heart failure and transplant cardiology physician records with the nearest ZIP codes

  1. Lawrence Czer, M.D.West Hollywood, CA 900481972564201
  2. Michael Fong, M.D.Los Angeles, CA 900331407863756
  3. Jonathan Nattiv, M.D.Los Angeles, CA 900331134516453
  4. Ajay VaidyaLos Angeles, CA 900331538459276
  5. Aaron Wolfson, M.D.Los Angeles, CA 900331144584913
  6. Daniel Cruz, MDLos Angeles, CA 900241427090091
  7. Kruti Pandya, M.D.Los Angeles, CA 900241619138872
  8. Joseph Rahman, M.D.Los Angeles, CA 900171316988116

Common questions

What is Jon A. Kobashigawa, M.D.'s NPI number?

Jon A. Kobashigawa, M.D.'s National Provider Identifier (NPI) is 1467548073, issued on Oct 4, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Jon A. Kobashigawa, M.D. located?

The NPPES record lists a practice address at 127 S San Vicente Blvd # A3107, Los Angeles, CA, 90048. Phone: (310) 248-3830. Providers update this record themselves, so call before visiting.

How can I verify Jon A. Kobashigawa, M.D.'s license?

NPPES lists California license number G45447, 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 Jon A. Kobashigawa, M.D. prescribe under Medicare Part D?

In 2024, Jon A. Kobashigawa, M.D. had 2,285 Medicare Part D claims for 249 beneficiaries; the average among advanced heart failure and transplant cardiology physician prescribers was 1,965. Part D covers Medicare prescriptions only.

What is Jon A. Kobashigawa, M.D.'s MIPS final score?

The 2023 MIPS final score is 85.7 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.

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.