NPPES file of Aug 9, 2026

Bryan C. Hoynak, MD

Emergency Medicine Physician · Placentia, CA

Bryan C. Hoynak, MD is an emergency medicine physician with a practice address in Placentia, California, and NPI 1316989130, issued on Jun 13, 2006. Check the license (California G51977, 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 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1316989130
Name
Bryan C. Hoynak
Credential
MD
Primary taxonomy
Emergency Medicine Physician 207P00000X
License number
G51977 CA
Self-reported in NPPES; status is on the state search
Practice location
1301 Rose Dr, Placentia, CA 92870
Phone
(714) 993-2000
Enumerated
Jun 13, 2006
Record last updated
Apr 23, 2008 (not updated in 18 years: call before relying on the address or phone)
Medicaid ID
00G519770 CA
Medicare enrollment
Enrolled (PECOS I20230510002946); accepts Medicare assignment
Medical or professional school
Washington University School Of Medicine, 1982
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 1301 Rose Dr

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

  1. Darren Hom, MDEmergency Medicine Physician1861438947

Verify Bryan C. Hoynak in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license G51977
    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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64% fewer Medicare Part D claims than the average emergency medicine physician in 2024

82 Medicare Part D claims for 64 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D.

  1. Bryan Hoynak82
  2. Specialty average226

Most prescribed

  1. Doxycycline Hyclate19 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.

Bills Medicare through one group practice

  1. Carepoint Health Emergency Medicine Idaho PLLCCaldwell, ID

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

Bryan C. Hoynak among 7,751 emergency medicine physician records in California

Bryan C. Hoynak, MD is one of 7,751 emergency medicine 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 2006, is newer than 4% of them.

  • NPI issued2006 · 4% of these records are older, 60% newer
  • In a Medicare fileYes · 81% of these records are
  • In the CMS Doctors and Clinicians fileYes · 59% of these records are
  • Graduated1982 · median 2011 among the 4,560 with a school on file
  • Record last updated2008 · 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 207P00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

10 emergency medicine physician records list a practice address in Placentia

They are 10 of the 1,002 NPPES records with a practice address in Placentia, and 7,751 emergency medicine physician records in California.

The 8 emergency medicine physician records with the nearest ZIP codes

  1. Thao Do, D.O.Placentia, CA 928701073861712
  2. Brian Doyle, M.D.Placentia, CA 928701710952346
  3. Darren Hom, MDPlacentia, CA 928701861438947
  4. Eugene Kim, M.D.Placentia, CA 928701265469977
  5. Paulina Mendoza-Mancini, DOPlacentia, CA 928701255595054
  6. Eric Quimbo, D.O.Placentia, CA 928701326183344
  7. Kristin Rodriguez, DOPlacentia, CA 928701205880598
  8. David Thomas, MDPlacentia, CA 928701083705628

Common questions

What is Bryan C. Hoynak, MD's NPI number?

Bryan C. Hoynak, MD's National Provider Identifier (NPI) is 1316989130, issued on Jun 13, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Bryan C. Hoynak, MD located?

The NPPES record lists a practice address at 1301 Rose Dr, Placentia, CA, 92870. Phone: (714) 993-2000. Providers update this record themselves, so call before visiting.

How can I verify Bryan C. Hoynak, MD's license?

NPPES lists California license number G51977, 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. Hoynak, MD prescribe under Medicare Part D?

In 2024, Bryan C. Hoynak, MD had 82 Medicare Part D claims for 64 beneficiaries; the average among emergency medicine physician prescribers was 226. Part D covers Medicare prescriptions only.

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.