Mark Deaver, M.D
Emergency Medicine Physician · San Diego, CA
Mark Deaver, M.D is an emergency medicine physician with a practice address in San Diego, California, and NPI 1558592220, issued on Jul 29, 2009. Check the license (California A113798, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Mark Deaver
- Credential
- M.D
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- A113798 CA
Self-reported in NPPES; status is on the state search - Practice location
- 4077 5TH Ave, San Diego, CA 92103
- Phone
- (619) 294-8111
- Enumerated
- Jul 29, 2009
- Record last updated
- Jan 19, 2017 (not updated in 9 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20120425000543); accepts Medicare assignment
- Medical or professional school
- Un Of California, Irvine, College Of Medicine, 2009
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 7,751 in California → Look up another NPI →
Also registered at 4077 5TH Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Jennifer Agueda, NP-CFamily Nurse Practitioner1124578117
- Michael Amadeo, N.P.Family Nurse Practitioner1376947648
- Joseph Anderson, PHARMDPharmacist1053125914
- Leslie Arias, SLPSpeech-Language Pathologist1417808205
- Aleda Barr, RNPsychiatric/Mental Health Registered Nurse1134254048
- Sonya Christianson, MDHospice and Palliative Medicine (Family Medicine) Physician1871751073
Verify Mark Deaver in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A113798Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
4% more Medicare Part D claims than the average emergency medicine physician in 2024
236 Medicare Part D claims for 176 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. Brand-name drugs were 6% of claims. 29 claims were for opioids.
Most prescribed
- Cephalexin44 claims
- Hydrocodone-Acetaminophen25 claims
- Azithromycin22 claims
- Ondansetron Odt16 claims
- Prednisone15 claims
- Ciprofloxacin Hcl11 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 2 group practices
- Palomar Emergency Physicians, IncEscondido, CA
- Scripps HealthLa Jolla, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Mark Deaver among 7,751 emergency medicine physician records in California
Mark Deaver, 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 2009, is newer than 54% of them.
- NPI issued2009 · 54% of these records are older, 42% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 59% of these records are
- Graduated2009 · median 2011 among the 4,560 with a school on file
- Record last updated2017 · 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 San Diego → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Carolyn Barber, MDSan Diego, CA 921031750325502
- Anthony Bielawski, M.D.San Diego, CA 921031528038346
- Colleen Campbell, MDSan Diego, CA 921031669416483
- Richard Childers, M.D.San Diego, CA 921031902876220
- Michelle Daniel, MDSan Diego, CA 921031801879861
- Julian Lis, M.D.San Diego, CA 921031932100062
- Leslie Mukau, MDSan Diego, CA 921031578526026
- Sassan Naderi, M.D.San Diego, CA 921031811987936
Common questions
What is Mark Deaver, M.D's NPI number?
Mark Deaver, M.D's National Provider Identifier (NPI) is 1558592220, issued on Jul 29, 2009. An NPI identifies a provider in billing; it is not a license.
Where is Mark Deaver, M.D located?
The NPPES record lists a practice address at 4077 5TH Ave, San Diego, CA, 92103. Phone: (619) 294-8111. Providers update this record themselves, so call before visiting.
How can I verify Mark Deaver, M.D's license?
NPPES lists California license number A113798, 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 Deaver, M.D prescribe under Medicare Part D?
In 2024, Mark Deaver, M.D had 236 Medicare Part D claims for 176 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.