NPPES file of Aug 9, 2026

Jun R. Chiong, M.D., M.P.H.

Internal Medicine Physician · Redlands, CA

Jun R. Chiong, M.D., M.P.H. is an internal medicine physician with a practice address in Redlands, California, and NPI 1598730590, issued on Feb 22, 2006. Check the license (California A95516, 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
1598730590
Name
Jun R. Chiong
Credential
M.D., M.P.H.
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
A95516 CA
Self-reported in NPPES; status is on the state search
Practice location
461 Tennessee St Ste C, Redlands, CA 92373
Phone
(909) 475-7371
Enumerated
Feb 22, 2006
Record last updated
Dec 31, 2020 (not updated in 6 years: call before relying on the address or phone)
Fax
(855) 233-7921
Medicare enrollment
Enrolled (PECOS I20060727000110); accepts Medicare assignment
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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Also registered at 461 Tennessee St Ste C

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

  1. Seth Chelliah, MSN, PHN, RN, FNP-CFamily Nurse Practitioner1497126197
  2. Delisa DimpudusFamily Nurse Practitioner1851939979
  3. Devita Dimpudus, PMHNPPsychiatric/Mental Health Nurse Practitioner1730987645
  4. Torrey Dooley, NPNurse Practitioner1992480990
  5. Brian Elledge, DOPsychiatry Physician1174865455
  6. Angelica Tan, NURSE PRACTIONERAcute Care Nurse Practitioner1437860020

Verify Jun R. Chiong in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A95516
    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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4.3 times the Medicare Part D claims of the average internal medicine physician in 2024

13,590 Medicare Part D claims for 797 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 6% of claims. 143 claims were for opioids.

  1. Jun Chiong13,590
  2. Specialty average3,176

Most prescribed

  1. Atorvastatin Calcium1,745 claims
  2. Losartan Potassium1,368 claims
  3. Lisinopril791 claims
  4. Amlodipine Besylate757 claims
  5. Metformin Hcl571 claims
  6. Carvedilol502 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 MIPS final score for 2023 (Medicare payment program): 78.2 of 100

The Merit-based Incentive Payment System score is reported for this clinician. 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 score74.4
  2. Costout of 100 · 30%35.3
  3. Promoting interoperabilityout of 100 · 25%81.0
  4. Improvement activities40 of 40 points · 15%100.0

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

Industry payments in 2024: $53.68

1 payment: food and beverage; the largest payer was Vifor Pharma, 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. Jun Chiong$53.68
  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 2 group practices

  1. Jun R. Chiong, MD, Mph, Inc.Redlands, CA
  2. Medex Specialty Network, Inc.Redlands, CA

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

Jun R. Chiong among 17,696 internal medicine physician records in California

Jun R. Chiong, M.D., M.P.H. 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 2006, is newer than 5% of them.

  • NPI issued2006 · 5% of these records are older, 56% newer
  • In a Medicare fileYes · 79% of these records are
  • In the CMS Doctors and Clinicians fileYes · 63% of these records are
  • Graduated1994 · median 2004 among the 11,065 with a school on file
  • Record last updated2020 · 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).

56 internal medicine physician records list a practice address in Redlands

They are 56 of the 2,498 NPPES records with a practice address in Redlands, and 17,696 internal medicine physician records in California.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Charles Chen, M.D.Redlands, CA 923731124050463
  2. Regan Douty, D.O.Redlands, CA 923731295766442
  3. Mamdooh Gayid, MDRedlands, CA 923731477554988
  4. Junku Kang, MDRedlands, CA 923731265474225
  5. Casey Kennedy, MDRedlands, CA 923731801839246
  6. Mohammad Osmani, MDRedlands, CA 923731568479483
  7. Moses Park, M.D.Redlands, CA 923731528079639
  8. Monroe Seiberling, M.D.Redlands, CA 923731740237783

Common questions

What is Jun R. Chiong, M.D., M.P.H.'s NPI number?

Jun R. Chiong, M.D., M.P.H.'s National Provider Identifier (NPI) is 1598730590, issued on Feb 22, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Jun R. Chiong, M.D., M.P.H. located?

The NPPES record lists a practice address at 461 Tennessee St Ste C, Redlands, CA, 92373. Phone: (909) 475-7371. Providers update this record themselves, so call before visiting.

How can I verify Jun R. Chiong, M.D., M.P.H.'s license?

NPPES lists California license number A95516, 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 Jun R. Chiong, M.D., M.P.H. prescribe under Medicare Part D?

In 2024, Jun R. Chiong, M.D., M.P.H. had 13,590 Medicare Part D claims for 797 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.

What is Jun R. Chiong, M.D., M.P.H.'s MIPS final score?

The 2023 MIPS final score is 78.2 of 100. 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.