Mark Bayer, M.D.
Emergency Medicine Physician · La Quinta, CA
Mark Bayer, M.D. is an emergency medicine physician with a practice address in La Quinta, California, and NPI 1346275278, issued on Jul 11, 2006. Check the license (California A34160, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Mark Bayer
- Credential
- M.D.
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- A34160 CA
Self-reported in NPPES; status is on the state search - Practice location
- 45280 Seeley Dr, La Quinta, CA 92253
- Phone
- (760) 610-7210
- Enumerated
- Jul 11, 2006
- Entity
- Type 1 · individual
Also registered at 45280 Seeley Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Rezner AbubakarFamily Medicine Physician1356548648
- Rajdeep Brar, MDFamily Medicine Physician1811378128
- Gilbert Cerda, FNPFamily Nurse Practitioner1437753621
- Mark ConnellPhysical Therapist1508309477
- Amanda Curnock, MDGeriatric Medicine (Internal Medicine) Physician1447228796
- Patricia Curtiss, ATCAthletic Trainer1255860961
Verify Mark Bayer in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A34160Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
3.9 times the Medicare Part D claims of the average emergency medicine physician in 2024
1,381 Medicare Part D claims for 802 beneficiaries, against an average of 355 among the 49,029 providers of this specialty who prescribed in Part D. 59 claims were for opioids.
Most prescribed
- Dexamethasone162 claims
- Ipratropium Bromide88 claims
- Diclofenac Sodium78 claims
- Doxycycline Hyclate65 claims
- Amoxicillin-Clavulanate Potass63 claims
- Azithromycin62 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 Medicare quality score for 2023: 84.3 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).
One hospital or facility affiliation
- Eisenhower Medical CenterRancho Mirage, CA · Acute Care Hospitals4 of 5 stars
Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
Emergency Medicine Physician providers in California
There are 7,133 emergency medicine physician records in California.
Other emergency medicine physician records in California
- Cooper Aakhus, MDStanford, CA1194351007
- Pyra Aarden, MDMartinez, CA1417058199
- Neal Aaron, D.O.Encinitas, CA1114283520
- Eric AaserudeWalnut Creek, CA1811491194
- Nader Abas, MDBarstow, CA1346288305
- Michael Abbo, MDNovato, CA1205819042
- Daniel Abbott, MDFullerton, CA1518907864
- Paul-Andre Abboud, M.D.Oakland, CA1710065503
- Mostafa Abdel-Hamid, MDStanford, CA1457918740
- Ashraf Abdel-KerimChino, CA1396961538
Common questions
What is Mark Bayer, M.D.'s NPI number?
Mark Bayer, M.D.'s National Provider Identifier (NPI) is 1346275278, issued on Jul 11, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Mark Bayer, M.D. located?
The NPPES record lists a practice address at 45280 Seeley Dr, La Quinta, CA, 92253. Phone: (760) 610-7210. Providers update this record themselves, so call before visiting.
How can I verify Mark Bayer, M.D.'s license?
NPPES lists California license number A34160, 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 Bayer, M.D. prescribe under Medicare Part D?
In 2024, Mark Bayer, M.D. had 1,381 Medicare Part D claims for 802 beneficiaries; the average among emergency medicine physician prescribers was 355. Part D covers Medicare prescriptions only.
What is Mark Bayer, M.D.'s Medicare quality score?
The 2023 MIPS final score is 84.3 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), loaded Aug 27, 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.
Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.