NPPES file of Aug 9, 2026

Wai K. Park, D.O.

Clinical Genetics (M.D.) Physician · Duarte, CA

Wai K. Park, D.O. is a clinical genetics (m.d.) physician with a practice address in Duarte, California, and NPI 1871970541, issued on May 1, 2015. Check the license (California 20A15213, 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 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1871970541
Name
Wai K. Park
Credential
D.O.
Primary taxonomy
Clinical Genetics (M.D.) Physician 207SG0201X
License number
20A15213 CA
Self-reported in NPPES; status is on the state search
Practice location
1500 Duarte RD, Duarte, CA 91010
Phone
(626) 256-4673
Enumerated
May 1, 2015
Record last updated
Mar 29, 2023
Medicare enrollment
Enrolled (PECOS I20180717002910); accepts Medicare assignment
Medical or professional school
College Of Osteo Med Of The Pacific At Pomona, 2015
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 1500 Duarte RD

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

  1. Chelsea Abad, CRNP, AGPCNP - BCGerontology Nurse Practitioner1952848137
  2. Wajidah Abdul-KhabirHospitalist Physician1215323522
  3. Farah Abdulla, MDDermatology Physician1093934390
  4. Megan Abel, PA-CPhysician Assistant1104100619
  5. Michelle Afkhami, M.D.Hematology (Pathology) Physician1326230228
  6. Vaibhav Agrawal, M.D.Hematology & Oncology Physician1538402565

Verify Wai K. 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 20A15213
    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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The practice group's MIPS final score for 2023 (Medicare payment program): 99.1 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 score85.2
  2. Costnot scored (reweighted)
  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).

Bills Medicare through one group practice

  1. City OF Hope Medical FoundationSouth Pasadena, CA

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

Wai K. Park among 151 clinical genetics (m.d.) physician records in California

Wai K. Park, D.O. is one of 151 clinical genetics (m.d.) physician records with a practice address in California. 55% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2015, is newer than 81% of them.

  • NPI issued2015 · 81% of these records are older, 16% newer
  • In a Medicare fileYes · 55% of these records are
  • In the CMS Doctors and Clinicians fileYes · 38% of these records are
  • Graduated2015 · median 1999 among the 58 with a school on file
  • Record last updated2023 · 48% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207SG0201X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Clinical Genetics (M.D.) Physician providers in California

There are 151 clinical genetics (m.d.) physician records in California.

The 8 clinical genetics (m.d.) physician records with the nearest ZIP codes

  1. Stacy Gray, M.D.Duarte, CA 910101184736225
  2. Stephen Gruber, M.D.Duarte, CA 910101932280377
  3. Joanne Jeter, M.D.Duarte, CA 910101871568444
  4. Kevin McDonnell, M.D.Duarte, CA 910101932343316
  5. Thomas Slavin, M.D.La Crescenta, CA 912141023224557
  6. Rosetta Willis Hassan, MDBellflower, CA 907061871660704
  7. Valerie Watiker, M.D.Tarzana, CA 913561497821763
  8. Claudia Mikail, MD, MPHWoodland Hills, CA 913641346228103

Common questions

What is Wai K. Park, D.O.'s NPI number?

Wai K. Park, D.O.'s National Provider Identifier (NPI) is 1871970541, issued on May 1, 2015. An NPI identifies a provider in billing; it is not a license.

Where is Wai K. Park, D.O. located?

The NPPES record lists a practice address at 1500 Duarte RD, Duarte, CA, 91010. Phone: (626) 256-4673. Providers update this record themselves, so call before visiting.

How can I verify Wai K. Park, D.O.'s license?

NPPES lists California license number 20A15213, 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 Wai K. Park, D.O.'s MIPS final score?

The 2023 MIPS final score is 99.1 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.