Chay Bae, D.O.
Rheumatology Physician · Laguna Hills, CA
Chay Bae, D.O. is a rheumatology physician with a practice address in Laguna Hills, California, and NPI 1861926982, issued on Apr 14, 2017. Check the license (California 20A18562, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Chay Bae
- Credential
- D.O.
- Primary taxonomy
- Rheumatology Physician 207RR0500X
- License number
- 20A18562 CA
Self-reported in NPPES; status is on the state search - Practice location
- 26538 Moulton Pkwy., Suite 38E, Laguna Hills, CA 92653
- Phone
- (949) 448-0656
- Enumerated
- Apr 14, 2017
- Record last updated
- Jul 7, 2022
- Fax
- (949) 425-2465
- Medicare enrollment
- Enrolled (PECOS I20220722000141); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest rheumatology physician records → All 926 in California → Look up another NPI →
Also registered at 26538 Moulton Pkwy., Suite 38E
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Manish Shrestha, M.D.Gastroenterology Physician1407135411
Verify Chay Bae in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license 20A18562Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
36% fewer Medicare Part D claims than the average rheumatology physician in 2024
1,260 Medicare Part D claims for 244 beneficiaries, against an average of 1,978 among the 6,301 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims.
Most prescribed
- Hydroxychloroquine Sulfate340 claims
- Methotrexate191 claims
- Duloxetine Hcl68 claims
- Allopurinol64 claims
- Meloxicam62 claims
- Folic Acid60 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): 76.7 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.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $125.00
1 payment: food and beverage; the largest payer was Abbvie Inc. The 4,486 providers of this specialty with any payment received $8,538.33 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
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
- Memorialcare Medical FoundationLaguna Hills, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Chay Bae among 926 rheumatology physician records in California
Chay Bae, D.O. is one of 926 rheumatology physician records with a practice address in California. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2017, is newer than 88% of them.
- NPI issued2017 · 88% of these records are older, 10% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 69% of these records are
- Graduated2017 · median 2003 among the 641 with a school on file
- Record last updated2022 · 62% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RR0500X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Rheumatology Physician providers in California
There are 926 rheumatology physician records in California.
All 926 in California → Every provider in Laguna Hills → Rheumatology Physician nationwide →
The 8 rheumatology physician records with the nearest ZIP codes
- Sunil Gupta, D.O.Laguna Hills, CA 926531437310059
- Christine Park, MDLaguna Beach, CA 926511003963364
- Sheetal Gavankar, M.D.Huntington Beach, CA 926481750524328
- Azadeh Majlessi, M.D.Huntington Beach, CA 926481871533679
- Christine Thai, M.D.Huntington Beach, CA 926481043224587
- Lalitha Ananth, MDHuntington Beach, CA 926471679597033
- Mitchell Austin, MDNewport Beach, CA 926601669542601
- Tracy DriverHuntington Beach, CA 926461982048112
Common questions
What is Chay Bae, D.O.'s NPI number?
Chay Bae, D.O.'s National Provider Identifier (NPI) is 1861926982, issued on Apr 14, 2017. An NPI identifies a provider in billing; it is not a license.
Where is Chay Bae, D.O. located?
The NPPES record lists a practice address at 26538 Moulton Pkwy., Suite 38E, Laguna Hills, CA, 92653. Phone: (949) 448-0656. Providers update this record themselves, so call before visiting.
How can I verify Chay Bae, D.O.'s license?
NPPES lists California license number 20A18562, 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 Chay Bae, D.O. prescribe under Medicare Part D?
In 2024, Chay Bae, D.O. had 1,260 Medicare Part D claims for 244 beneficiaries; the average among rheumatology physician prescribers was 1,978. Part D covers Medicare prescriptions only.
What is Chay Bae, D.O.'s MIPS final score?
The 2023 MIPS final score is 76.7 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.