Myra Christina Chai, M.D.
Internal Medicine Physician · Los Angeles, CA
Myra Christina Chai, M.D. is an internal medicine physician with a practice address in Los Angeles, California, and NPI 1629457783, issued on May 22, 2015. Check the license (California A156679, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Myra Christina Chai
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- A156679 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1245 Wilshire Blvd Ste 914, Los Angeles, CA 90017
- Phone
- (213) 484-8474
- Enumerated
- May 22, 2015
- Record last updated
- Sep 27, 2018 (not updated in 8 years: call before relying on the address or phone)
- Fax
- (213) 484-9054
- Medicare enrollment
- Enrolled (PECOS I20181011001286); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 17,696 in California → Look up another NPI →
Verify Myra Christina Chai in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A156679Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
12% fewer Medicare Part D claims than the average internal medicine physician in 2024
2,785 Medicare Part D claims for 262 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. 22 claims were for opioids.
Most prescribed
- Atorvastatin Calcium187 claims
- Levothyroxine Sodium114 claims
- Amlodipine Besylate110 claims
- Losartan Potassium103 claims
- Gabapentin85 claims
- Furosemide58 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.
No measured MIPS final score for 2023
CMS assigned the neutral MIPS final score of 75 without scoring Quality, Cost, Promoting Interoperability or Improvement Activities. It is an administrative threshold, so PlainDoctor does not compare it with measured clinicians.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $1,461.52
40 payments; by number, the most common kind was food and beverage; the largest payer was Pfizer 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.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Myra Christina Chai among 17,696 internal medicine physician records in California
Myra Christina Chai, M.D. 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 2015, is newer than 76% of them.
- NPI issued2015 · 76% of these records are older, 21% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated2015 · median 2004 among the 11,065 with a school on file
- Record last updated2018 · 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).
1,423 internal medicine physician records list a practice address in Los Angeles
They are 1,423 of the 69,537 NPPES records with a practice address in Los Angeles, and 17,696 internal medicine physician records in California.
All 17,696 in California → Every provider in Los Angeles → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Soo Chong, M.D.Los Angeles, CA 900171932206836
- Soha Dolatabadi, M.D.Los Angeles, CA 900171992806277
- Glenn Hatfield, M.D.Los Angeles, CA 900171144291535
- Alexis Hoen, MDLos Angeles, CA 900171043281926
- William Howell, M.D.Los Angeles, CA 900171518999143
- Terry Jerge, M.D.Los Angeles, CA 900171396717591
- Thomas Kanegae, M.D.Los Angeles, CA 900171902805914
- Ashraf Khan, MDLos Angeles, CA 900171134119894
Common questions
What is Myra Christina Chai, M.D.'s NPI number?
Myra Christina Chai, M.D.'s National Provider Identifier (NPI) is 1629457783, issued on May 22, 2015. An NPI identifies a provider in billing; it is not a license.
Where is Myra Christina Chai, M.D. located?
The NPPES record lists a practice address at 1245 Wilshire Blvd Ste 914, Los Angeles, CA, 90017. Phone: (213) 484-8474. Providers update this record themselves, so call before visiting.
How can I verify Myra Christina Chai, M.D.'s license?
NPPES lists California license number A156679, 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 Myra Christina Chai, M.D. prescribe under Medicare Part D?
In 2024, Myra Christina Chai, M.D. had 2,785 Medicare Part D claims for 262 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
What is Myra Christina Chai, M.D.'s MIPS final score?
CMS assigned the neutral MIPS final score of 75 for 2023 without scoring any category, so it is not a measured result.
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.