NPPES file of Aug 9, 2026

Sarah Haejung Yoon, M.D.

Physical Medicine & Rehabilitation Physician · Loma Linda, CA

Sarah Haejung Yoon, M.D. is a physical medicine & rehabilitation physician with a practice address in Loma Linda, California, and NPI 1164878427, issued on May 5, 2016. Check the license (California A150470, 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
1164878427
Name
Sarah Haejung Yoon
Credential
M.D.
Primary taxonomy
Physical Medicine & Rehabilitation Physician 208100000X
License number
A150470 CA
Self-reported in NPPES; status is on the state search
Practice location
11234 Anderson St, Loma Linda, CA 92354
Phone
(909) 558-6202
Enumerated
May 5, 2016
Record last updated
Apr 24, 2018 (not updated in 8 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20210901001919); 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 11234 Anderson St

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

  1. Carolyn AbbasiAnesthesiology Physician1811287311
  2. Marian Abdelmalek, DOInternal Medicine Physician1285218024
  3. Faiz Abdur-Rahman, MDStudent in an Organized Health Care Education/Training Program1144073768
  4. Marc Abou AssaliStudent in an Organized Health Care Education/Training Program1689317265
  5. Adina Achiriloaie, MDDiagnostic Neuroimaging (Radiology) Physician1992983282
  6. Ana Acosta, MDStudent in an Organized Health Care Education/Training Program1265179774

Verify Sarah Haejung Yoon in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A150470
    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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21% fewer Medicare Part D claims than the average physical medicine & rehabilitation physician in 2024

576 Medicare Part D claims for 153 beneficiaries, against an average of 727 among the 7,448 providers of this specialty who prescribed in Part D. Brand-name drugs were 5% of claims. 284 claims were for opioids.

  1. Sarah Yoon576
  2. Specialty average727

Most prescribed

  1. Oxycodone Hcl73 claims
  2. Hydrocodone-Acetaminophen71 claims
  3. Gabapentin47 claims
  4. Buprenorphine Hcl45 claims
  5. Oxycodone-Acetaminophen44 claims
  6. Morphine Sulfate Er31 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): 100 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 score100.0
  2. Costnot scored (reweighted)
  3. Promoting interoperabilitynot scored (reweighted)
  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: $559.97

19 payments; by number, the most common kind was food and beverage; the largest payer was Biotronik Nro, Inc. The 3,895 providers of this specialty with any payment received $1,237.86 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Sarah Yoon$559.97
  2. Specialty average$1,237.86

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. Columbia Pain Management, Inc.Milwaukie, OR

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

Sarah Haejung Yoon among 1,549 physical medicine & rehabilitation physician records in California

Sarah Haejung Yoon, M.D. is one of 1,549 physical medicine & rehabilitation physician records with a practice address in California. 59% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2016, is newer than 63% of them.

  • NPI issued2016 · 63% of these records are older, 34% newer
  • In a Medicare fileYes · 59% of these records are
  • In the CMS Doctors and Clinicians fileYes · 51% of these records are
  • Graduated2016 · median 2008 among the 786 with a school on file
  • Record last updated2018 · 59% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208100000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Physical Medicine & Rehabilitation Physician providers in California

There are 1,549 physical medicine & rehabilitation physician records in California.

The 8 physical medicine & rehabilitation physician records with the nearest ZIP codes

  1. Murray Brandstater, M.D.Loma Linda, CA 923541770519910
  2. Davin Chu, M.D.Loma Linda, CA 923541144589839
  3. Justin Hata, MDLoma Linda, CA 923541174713168
  4. Sarah Humbert, M.D.Loma Linda, CA 923541679715957
  5. Mohammed Khan, M.D.Loma Linda, CA 923541861672941
  6. Mary Kim, M.D.Loma Linda, CA 923541780724435
  7. Joshua KingLoma Linda, CA 923541629638606
  8. Earl Quijada, M.D.Loma Linda, CA 923541497784078

Common questions

What is Sarah Haejung Yoon, M.D.'s NPI number?

Sarah Haejung Yoon, M.D.'s National Provider Identifier (NPI) is 1164878427, issued on May 5, 2016. An NPI identifies a provider in billing; it is not a license.

Where is Sarah Haejung Yoon, M.D. located?

The NPPES record lists a practice address at 11234 Anderson St, Loma Linda, CA, 92354. Phone: (909) 558-6202. Providers update this record themselves, so call before visiting.

How can I verify Sarah Haejung Yoon, M.D.'s license?

NPPES lists California license number A150470, 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 Sarah Haejung Yoon, M.D. prescribe under Medicare Part D?

In 2024, Sarah Haejung Yoon, M.D. had 576 Medicare Part D claims for 153 beneficiaries; the average among physical medicine & rehabilitation physician prescribers was 727. Part D covers Medicare prescriptions only.

What is Sarah Haejung Yoon, M.D.'s MIPS final score?

The 2023 MIPS final score is 100 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.