Jeffrey Paul Dayton, M.D.
Emergency Medicine Physician · San Pedro, CA
Jeffrey Paul Dayton, M.D. is an emergency medicine physician with a practice address in San Pedro, California, and NPI 1124056056, issued on Jun 29, 2006. Check the license (California A89485, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Jeffrey Paul Dayton
- Credential
- M.D.
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- A89485 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1300 W 7TH St, San Pedro, CA 90732
- Phone
- (310) 514-5350
- Enumerated
- Jun 29, 2006
- Record last updated
- Jun 25, 2008 (not updated in 18 years: call before relying on the address or phone)
- Fax
- (310) 514-5421
- Medicaid ID
- 00A894850 CA
- Medicare enrollment
- Enrolled (PECOS I20060918000470); accepts Medicare assignment
- Medical or professional school
- University Of Southern California Keck School Of Medicine, 2002
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 7,751 in California → Look up another NPI →
Also registered at 1300 W 7TH St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Payandeh Abadee, M.D.Physical Medicine & Rehabilitation Physician1376557793
- Ricardo Aguirre, M.D.Pain Medicine (Anesthesiology) Physician1831298389
- Vilma Asuma, RNAdult Psychiatric/Mental Health Registered Nurse1477196269
- Noah BattyCritical Care Medicine Registered Nurse1285564310
- Denise Brathwaite, M.D.Anesthesiology Physician1770524605
- Alessandra Conforto, M.D.Emergency Medicine Physician1982633160
Verify Jeffrey Paul Dayton in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A89485Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.1 times the Medicare Part D claims of the average emergency medicine physician in 2024
481 Medicare Part D claims for 249 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. 61 claims were for opioids.
Most prescribed
- Ondansetron Odt60 claims
- Hydrocodone-Acetaminophen59 claims
- Cephalexin45 claims
- Albuterol Sulfate Hfa32 claims
- Pantoprazole Sodium27 claims
- Naloxone Hcl26 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): 100 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).
Bills Medicare through 2 group practices
- Capital Hospitalist Medical Group IncLos Angeles, CA
- Vep Mlk Emergency Medical Group IncLos Angeles, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Jeffrey Paul Dayton among 7,751 emergency medicine physician records in California
Jeffrey Paul Dayton, 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 fileYes · 59% of these records are
- Graduated2002 · 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).
17 emergency medicine physician records list a practice address in San Pedro
They are 17 of the 1,072 NPPES records with a practice address in San Pedro, and 7,751 emergency medicine physician records in California.
All 7,751 in California → Every provider in San Pedro → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Alessandra Conforto, M.D.San Pedro, CA 907321982633160
- Marco Diaz, M.D.San Pedro, CA 907321710919345
- Brian Fong, M.D.San Pedro, CA 907321033141676
- Shaghayegh Haghighat, M.D.San Pedro, CA 907321285663310
- Mark Joyner, M.D.San Pedro, CA 907321164460572
- John McCall, M.D.San Pedro, CA 907321982636262
- Douglas McFarland, M.D.San Pedro, CA 907321497787774
- Ronnie MelendezSan Pedro, CA 907321174555460
Common questions
What is Jeffrey Paul Dayton, M.D.'s NPI number?
Jeffrey Paul Dayton, M.D.'s National Provider Identifier (NPI) is 1124056056, issued on Jun 29, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Jeffrey Paul Dayton, M.D. located?
The NPPES record lists a practice address at 1300 W 7TH St, San Pedro, CA, 90732. Phone: (310) 514-5350. Providers update this record themselves, so call before visiting.
How can I verify Jeffrey Paul Dayton, M.D.'s license?
NPPES lists California license number A89485, 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 Jeffrey Paul Dayton, M.D. prescribe under Medicare Part D?
In 2024, Jeffrey Paul Dayton, M.D. had 481 Medicare Part D claims for 249 beneficiaries; the average among emergency medicine physician prescribers was 226. Part D covers Medicare prescriptions only.
What is Jeffrey Paul Dayton, M.D.'s MIPS final score?
The 2023 MIPS final score is 100 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.