NPPES file of Aug 9, 2026

Joon Suk Park, M.D.

Internal Medicine Physician · Los Angeles, CA

Joon Suk Park, M.D. is an internal medicine physician with a practice address in Los Angeles, California, and NPI 1982022737, issued on Mar 30, 2014. Check the license (California A137694, 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
1982022737
Name
Joon Suk Park
Credential
M.D.
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
A137694 CA
Self-reported in NPPES; status is on the state search
Practice location
4733 W Sunset Blvd FL 3, Los Angeles, CA 90027
Phone
(323) 783-4516
Enumerated
Mar 30, 2014
Record last updated
Nov 29, 2021 (not updated in 5 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20160526000764); accepts Medicare assignment
Medical or professional school
Loma Linda University School Of Medicine, 2014
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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Also registered at 4733 W Sunset Blvd FL 3

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

  1. Andrew AbayanStudent in an Organized Health Care Education/Training Program1912589391
  2. Riad Abdulmoniem, MDStudent in an Organized Health Care Education/Training Program1215730841
  3. Dishan AbeydeeraStudent in an Organized Health Care Education/Training Program1265291413
  4. Alyssa AbramStudent in an Organized Health Care Education/Training Program1508626300
  5. Max Abramson, MDStudent in an Organized Health Care Education/Training Program1093579286
  6. Shalini Agrawal, DOStudent in an Organized Health Care Education/Training Program1316707888

Verify Joon Suk Park in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A137694
    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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97% fewer Medicare Part D claims than the average internal medicine physician in 2024

85 Medicare Part D claims for 32 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.

  1. Joon Park85
  2. Specialty average3,176

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: $14.98

1 payment: food and beverage; the largest payer was Patterson Companies, Inc. The 50,334 providers of this specialty with any payment received $1,303.06 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Joon Park$14.98
  2. Specialty average$1,303.06

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. Southern California Permanente Medical GroupLos Angeles, CA

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

Joon Suk Park among 17,696 internal medicine physician records in California

Joon Suk Park, M.D. is one of 17,696 internal medicine physician records with a practice address in California. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2014, is newer than 74% of them.

  • NPI issued2014 · 74% of these records are older, 24% newer
  • In a Medicare fileYes · 79% of these records are
  • In the CMS Doctors and Clinicians fileYes · 63% of these records are
  • Graduated2014 · median 2004 among the 11,065 with a school on file
  • Record last updated2021 · 61% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

1,423 internal medicine physician records list a practice address in Los Angeles

They are 1,423 of the 69,537 NPPES records with a practice address in Los Angeles, and 17,696 internal medicine physician records in California.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Sangeeta Aggarwal, MDLos Angeles, CA 900271578655908
  2. Hagop Bezikian, MDLos Angeles, CA 900271821171604
  3. Roshanak Eftekhari, M.D.Los Angeles, CA 900271619936556
  4. Martin Hirsch, MDLos Angeles, CA 900271881765774
  5. Missak Kltchian, MDLos Angeles, CA 900271255359840
  6. Ani Markarian, M.D.Los Angeles, CA 900271457305435
  7. Lyn Pestana, MDLos Angeles, CA 900271013088996
  8. Edward Quiming, MDLos Angeles, CA 900271497826465

Common questions

What is Joon Suk Park, M.D.'s NPI number?

Joon Suk Park, M.D.'s National Provider Identifier (NPI) is 1982022737, issued on Mar 30, 2014. An NPI identifies a provider in billing; it is not a license.

Where is Joon Suk Park, M.D. located?

The NPPES record lists a practice address at 4733 W Sunset Blvd FL 3, Los Angeles, CA, 90027. Phone: (323) 783-4516. Providers update this record themselves, so call before visiting.

How can I verify Joon Suk Park, M.D.'s license?

NPPES lists California license number A137694, 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 Joon Suk Park, M.D. prescribe under Medicare Part D?

In 2024, Joon Suk Park, M.D. had 85 Medicare Part D claims for 32 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.