NPPES file of Aug 9, 2026

Hailey Hye-In Choi, M.D.

Radiation Oncology Physician · Palo Alto, CA

Hailey Hye-In Choi, M.D. is a radiation oncology physician with a practice address in Palo Alto, California, and NPI 1386900249, issued on Apr 5, 2012. Check the license (California A146707, 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
1386900249
Name
Hailey Hye-In Choi
Credential
M.D.
Primary taxonomy
Radiation Oncology Physician 2085R0001X
License number
A146707 CA
Self-reported in NPPES; status is on the state search
Practice location
300 Pasteur Dr RM H1307, Palo Alto, CA 94304
Phone
(650) 723-8463
Enumerated
Apr 5, 2012
Record last updated
Jun 30, 2017 (not updated in 9 years: call before relying on the address or phone)
Fax
(650) 723-1909
Medicare enrollment
Enrolled (PECOS I20170805000186); accepts Medicare assignment
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.
Download card Updates feed

Also registered at 300 Pasteur Dr RM H1307

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

  1. Jennifer Hanak, MDDiagnostic Radiology Physician1467959239
  2. Daniel Hynes, MB BCH BAODiagnostic Radiology Physician1639523491
  3. Ryan Lo, MDStudent in an Organized Health Care Education/Training Program1679188098

Verify Hailey Hye-In Choi in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A146707
    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.

Is this page about you? You can ask us to correct, restrict or remove it: how.

The practice group's MIPS final score for 2023 (Medicare payment program): 91.9 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 score83.5
  2. Costout of 100 · 30%68.0
  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: $80.11

1 payment: food and beverage; the largest payer was CeQur Corporation. The 3,275 providers of this specialty with any payment received $1,897.85 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Hailey Choi$80.11
  2. Specialty average$1,897.85

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

Bills Medicare through 4 group practices

  1. City And County OF San FranciscoSan Francisco, CA
  2. Ucsf Medical Group Business ServicesSan Francisco, CA
  3. University OF California San FranciscoSan Francisco, CA
  4. University OF California Sfgh Medical GroupSan Francisco, CA

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

Hailey Hye-In Choi among 735 radiation oncology physician records in California

Hailey Hye-In Choi, M.D. is one of 735 radiation oncology physician records with a practice address in California. 83% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2012, is newer than 71% of them.

  • NPI issued2012 · 71% of these records are older, 24% newer
  • In a Medicare fileYes · 83% of these records are
  • In the CMS Doctors and Clinicians fileYes · 74% of these records are
  • Graduated2012 · median 2005 among the 545 with a school on file
  • Record last updated2017 · 55% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2085R0001X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Radiation Oncology Physician providers in California

There are 735 radiation oncology physician records in California.

The 8 radiation oncology physician records with the nearest ZIP codes

  1. Alexander Chin, MDPalo Alto, CA 943041518385251
  2. Michael Gensheimer, M.D.Palo Alto, CA 943041407172687
  3. Iris Gibbs, MDPalo Alto, CA 943041407994429
  4. Daniella KlebanerPalo Alto, CA 943041023638269
  5. Susan Knox, M.D.,PH.D.Palo Alto, CA 943041912034240
  6. Ann Minn, M.D.Palo Alto, CA 943041225224991
  7. Erqi PollomPalo Alto, CA 943041932475902
  8. Yuan Rao, MDPalo Alto, CA 943041780023374

Common questions

What is Hailey Hye-In Choi, M.D.'s NPI number?

Hailey Hye-In Choi, M.D.'s National Provider Identifier (NPI) is 1386900249, issued on Apr 5, 2012. An NPI identifies a provider in billing; it is not a license.

Where is Hailey Hye-In Choi, M.D. located?

The NPPES record lists a practice address at 300 Pasteur Dr RM H1307, Palo Alto, CA, 94304. Phone: (650) 723-8463. Providers update this record themselves, so call before visiting.

How can I verify Hailey Hye-In Choi, M.D.'s license?

NPPES lists California license number A146707, 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.

What is Hailey Hye-In Choi, M.D.'s MIPS final score?

The 2023 MIPS final score is 91.9 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.