Stephen Thomas, MD
Emergency Medicine Physician · Oceanside, CA
Stephen Thomas, MD is an emergency medicine physician with a practice address in Oceanside, California, and NPI 1972575330, issued on Feb 1, 2006. Check the license (California A77076, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Stephen Thomas
- Credential
- MD
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License numbers
- A77076 CA
62040 CT
239025 MA
Self-reported in NPPES; status is on the state search - Practice location
- Naval Hospital Camp Pendleton, Oceanside, CA 92055
- Phone
- (619) 865-1724
- Enumerated
- Feb 1, 2006
- Record last updated
- Oct 26, 2020 (not updated in 6 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20090623000194); accepts Medicare assignment
- Medical or professional school
- New York Medical College, 2000
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 7,751 in California → Look up another NPI →
Also registered at Naval Hospital Camp Pendleton
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Chad Baasen, M.D.Emergency Medicine Physician1134117955
- Tia Blythe, DPT, OCS, SCSPhysical Therapist1174988224
- Daniel Desantis, MDCardiovascular Disease Physician1003220989
- Joseph Marquez, DOFamily Medicine Physician1679002141
- Michaela McFadden, MDGeneral Practice Physician1508626896
- Peter Ng, MDGeneral Practice Physician1467010215
Verify Stephen Thomas in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A77076Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
15% fewer Medicare Part D claims than the average emergency medicine physician in 2024
192 Medicare Part D claims for 158 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D.
Most prescribed
- Naproxen40 claims
- Prednisone17 claims
- Ondansetron Odt14 claims
- Doxycycline Hyclate12 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): 99.5 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).
Industry payments in 2024: $1,457.82
2 payments; by number, the most common kind was food and beverage; the largest payer was Ambu A/S. The 12,335 providers of this specialty with any payment received $953.79 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Merrimack Valley Emergency Associates, Inc.Lowell, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Stephen Thomas among 7,751 emergency medicine physician records in California
Stephen Thomas, 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
- Graduated2000 · median 2011 among the 4,560 with a school on file
- Record last updated2020 · 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).
50 emergency medicine physician records list a practice address in Oceanside
They are 50 of the 3,438 NPPES records with a practice address in Oceanside, and 7,751 emergency medicine physician records in California.
All 7,751 in California → Every provider in Oceanside → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Chad Baasen, M.D.Oceanside, CA 920551134117955
- Michael Barry, DOCamp Pendleton, CA 920551659343309
- Michael Galuska, MDCamp Pendleton, CA 920551003002932
- Michael Green, M.D.Oceanside, CA 920551316175292
- Ed Hessel, MDCamp Pendleton, CA 920551598802209
- Lisa Kelty, MDCamp Pendleton, CA 920551649210808
- Joshua Kuhn, M.D.Oceanside, CA 920551851527386
- Joshua Minyard, MDCamp Pendleton, CA 920551720211758
Common questions
What is Stephen Thomas, MD's NPI number?
Stephen Thomas, MD's National Provider Identifier (NPI) is 1972575330, issued on Feb 1, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Stephen Thomas, MD located?
The NPPES record lists a practice address at Naval Hospital Camp Pendleton, Oceanside, CA, 92055. Phone: (619) 865-1724. Providers update this record themselves, so call before visiting.
How can I verify Stephen Thomas, MD's license?
NPPES lists California license number A77076, 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 Stephen Thomas, MD prescribe under Medicare Part D?
In 2024, Stephen Thomas, MD had 192 Medicare Part D claims for 158 beneficiaries; the average among emergency medicine physician prescribers was 226. Part D covers Medicare prescriptions only.
What is Stephen Thomas, MD's MIPS final score?
The 2023 MIPS final score is 99.5 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.