NPPES file of Aug 9, 2026

Bryan C. Doo, M.D.

Infectious Disease Physician · Whittier, CA

Bryan C. Doo, M.D. is an infectious disease physician with a practice address in Whittier, California, and NPI 1962500058, issued on Sep 20, 2006. Check the license (California A65648, 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
1962500058
Name
Bryan C. Doo
Credential
M.D.
Primary taxonomy
Infectious Disease Physician 207RI0200X
License number
A65648 CA
Self-reported in NPPES; status is on the state search
Practice location
9209 Colima RD, Whittier, CA 90605
Phone
(562) 214-0130
Enumerated
Sep 20, 2006
Record last updated
May 5, 2010 (not updated in 16 years: call before relying on the address or phone)
Fax
(951) 272-9924
Medicare enrollment
Enrolled (PECOS I20051026001026); 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.
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Also registered at 9209 Colima RD

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

  1. George Chakmakjian, D.D.S.Dentist1902011935
  2. Jeffrey Horseman, D.D.S.General Practice Dentistry1104833623
  3. Odette Khalil, PHARM.D.Pharmacist1649272428
  4. Arturo Lopez, M.D.Family Medicine Physician1174560171
  5. Bruce Marquez, M.D.Psychiatry Physician1679753586
  6. Mitra Rouintan, DMDGeneral Practice Dentistry1457516197

Verify Bryan C. Doo in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A65648
    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

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96% fewer Medicare Part D claims than the average infectious disease physician in 2024

27 Medicare Part D claims, against an average of 689 among the 7,388 providers of this specialty who prescribed in Part D.

  1. Bryan Doo27
  2. Specialty average689

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 MIPS final score for 2023 (Medicare payment program): 96.2 of 100

The Merit-based Incentive Payment System score is reported for this clinician. 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 score88.3
  2. Costout of 100 · 30%69.5
  3. Promoting interoperabilitynot scored (reweighted)
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).

Bryan C. Doo among 1,119 infectious disease physician records in California

Bryan C. Doo, M.D. is one of 1,119 infectious disease 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 2006, is newer than 4% of them.

  • NPI issued2006 · 4% of these records are older, 54% newer
  • In a Medicare fileYes · 79% of these records are
  • In the CMS Doctors and Clinicians fileYes · 66% of these records are
  • Graduated1987 · median 2003 among the 735 with a school on file
  • Record last updated2010 · 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 207RI0200X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Infectious Disease Physician providers in California

There are 1,119 infectious disease physician records in California.

The 8 infectious disease physician records with the nearest ZIP codes

  1. Uday Chauhan, MDWhittier, CA 906051285213603
  2. Antonio Escobedo, MDWhittier, CA 906031770756330
  3. John McCarthyWhittier, CA 906031679650923
  4. Meri Rathbun, MDWhittier, CA 906021336349299
  5. Grace Bautista, M.D.Pasadena, CA 906401215021720
  6. Leo Li, MDMontebello, CA 906401154463149
  7. Diana David, MDTorrance, CA 905051972143576
  8. Daniel Ho, MDTorrance, CA 905051245867613

Common questions

What is Bryan C. Doo, M.D.'s NPI number?

Bryan C. Doo, M.D.'s National Provider Identifier (NPI) is 1962500058, issued on Sep 20, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Bryan C. Doo, M.D. located?

The NPPES record lists a practice address at 9209 Colima RD, Whittier, CA, 90605. Phone: (562) 214-0130. Providers update this record themselves, so call before visiting.

How can I verify Bryan C. Doo, M.D.'s license?

NPPES lists California license number A65648, 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 Bryan C. Doo, M.D. prescribe under Medicare Part D?

In 2024, Bryan C. Doo, M.D. had 27 Medicare Part D claims; the average among infectious disease physician prescribers was 689. Part D covers Medicare prescriptions only.

What is Bryan C. Doo, M.D.'s MIPS final score?

The 2023 MIPS final score is 96.2 of 100. 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.