Mark Michael Reynolds, M.D.
Emergency Medicine Physician · Laguna Hills, CA
Mark Michael Reynolds, M.D. is an emergency medicine physician with a practice address in Laguna Hills, California, and NPI 1831124577, issued on Jul 11, 2006. Check the license (California G78047, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Mark Michael Reynolds
- Credential
- M.D.
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- G78047 CA
Self-reported in NPPES; status is on the state search - Practice location
- 26522 Poinsettia CT, Laguna Hills, CA 92653
- Phone
- (949) 233-2454
- Enumerated
- Jul 11, 2006
- Record last updated
- Mar 31, 2010 (not updated in 16 years: call before relying on the address or phone)
- Medicaid ID
- 00G780470 CA
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 7,751 in California → Look up another NPI →
Verify Mark Michael Reynolds in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G78047Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
37% more Medicare Part D claims than the average emergency medicine physician in 2024
310 Medicare Part D claims for 218 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. 50 claims were for opioids.
Most prescribed
- Hydrocodone-Acetaminophen46 claims
- Ibuprofen44 claims
- Cefdinir27 claims
- Prednisone16 claims
- Doxycycline Hyclate13 claims
- Methocarbamol12 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): 94.6 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).
Mark Michael Reynolds among 7,751 emergency medicine physician records in California
Mark Michael Reynolds, M.D. 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 fileNo · 59% of these records are
- 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 207P00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Emergency Medicine Physician providers in California
There are 7,751 emergency medicine physician records in California.
All 7,751 in California → Every provider in Laguna Hills → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Dwight Arakaki, M.DLaguna Hills, CA 926531376653360
- Joshua Bobko, MDLaguna Hills, CA 926531235397621
- Randall Chong, M.DLaguna Hills, CA 926531124056387
- William Fields, M.DLaguna Hills, CA 926531699703801
- Edward Mescher, M.DLaguna Hills, CA 926531942246897
- Jennifer Newton, MDLaguna Hills, CA 926531053377697
- Martin Ogle, M.DLaguna Hills, CA 926531407884505
- Eric Siedenburg, M.DLaguna Hills, CA 926531629006705
Common questions
What is Mark Michael Reynolds, M.D.'s NPI number?
Mark Michael Reynolds, M.D.'s National Provider Identifier (NPI) is 1831124577, issued on Jul 11, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Mark Michael Reynolds, M.D. located?
The NPPES record lists a practice address at 26522 Poinsettia CT, Laguna Hills, CA, 92653. Phone: (949) 233-2454. Providers update this record themselves, so call before visiting.
How can I verify Mark Michael Reynolds, M.D.'s license?
NPPES lists California license number G78047, 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 Mark Michael Reynolds, M.D. prescribe under Medicare Part D?
In 2024, Mark Michael Reynolds, M.D. had 310 Medicare Part D claims for 218 beneficiaries; the average among emergency medicine physician prescribers was 226. Part D covers Medicare prescriptions only.
What is Mark Michael Reynolds, M.D.'s MIPS final score?
The 2023 MIPS final score is 94.6 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.