Stephen Alexander Wesely, MD
Emergency Medicine Physician · Tracy, CA
Stephen Alexander Wesely, MD is an emergency medicine physician with a practice address in Tracy, California, and NPI 1629069042, issued on Nov 3, 2005. Check the license (California G75251, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Stephen Alexander Wesely
- Credential
- MD
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- G75251 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1420 N Tracy Blvd, Tracy, CA 95376
- Phone
- (209) 342-2300
- Enumerated
- Nov 3, 2005
- Record last updated
- Jul 28, 2008 (not updated in 18 years: call before relying on the address or phone)
- Fax
- (209) 524-4240
- Medicaid ID
- OOG752510 CA
- Medicare enrollment
- Enrolled (PECOS I20080429000990); accepts Medicare assignment
- Medical or professional school
- Loma Linda University School Of Medicine, 1991
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 7,751 in California → Look up another NPI →
Also registered at 1420 N Tracy Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Veronica Alfaro, MSN, APRN, FNP-CFamily Nurse Practitioner1396423505
- Paul Anderson, PAEmergency Medicine Physician1184605396
- Jennifer Bailey, MDEmergency Medicine Physician1336423516
- Kevin Barnwell, PAPhysician Assistant1740804665
- Allen Chang, MDEmergency Medicine Physician1588976567
- Ashley Chow, PHARMDPharmacist1790305639
Verify Stephen Alexander Wesely in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G75251Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
21% more Medicare Part D claims than the average emergency medicine physician in 2024
273 Medicare Part D claims for 174 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. Brand-name drugs were 5% of claims.
Most prescribed
- Naproxen59 claims
- Cephalexin36 claims
- Nitrofurantoin Mono-Macro19 claims
- Ibuprofen18 claims
- Prednisone14 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).
Bills Medicare through one group practice
- Express Lane Urgent Care IncTurlock, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Stephen Alexander Wesely among 7,751 emergency medicine physician records in California
Stephen Alexander Wesely, 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 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 96% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 59% of these records are
- Graduated1991 · 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).
14 emergency medicine physician records list a practice address in Tracy
They are 14 of the 1,864 NPPES records with a practice address in Tracy, and 7,751 emergency medicine physician records in California.
All 7,751 in California → Every provider in Tracy → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Paul Anderson, PATracy, CA 953761184605396
- Jennifer Bailey, MDTracy, CA 953761336423516
- Allen Chang, MDTracy, CA 953761588976567
- Janice Crawford, MDTracy, CA 953761134110554
- Phoebe Lee, M.D.Tracy, CA 953761376837021
- Amandeep Sharma, NPTracy, CA 953761639978372
- Eileen Sicangco, MDTracy, CA 953761780876193
- Angadpreet Sidhu, MEDICAL STUDENTTracy, CA 953761396246229
Common questions
What is Stephen Alexander Wesely, MD's NPI number?
Stephen Alexander Wesely, MD's National Provider Identifier (NPI) is 1629069042, issued on Nov 3, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Stephen Alexander Wesely, MD located?
The NPPES record lists a practice address at 1420 N Tracy Blvd, Tracy, CA, 95376. Phone: (209) 342-2300. Providers update this record themselves, so call before visiting.
How can I verify Stephen Alexander Wesely, MD's license?
NPPES lists California license number G75251, 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 Alexander Wesely, MD prescribe under Medicare Part D?
In 2024, Stephen Alexander Wesely, MD had 273 Medicare Part D claims for 174 beneficiaries; the average among emergency medicine physician prescribers was 226. Part D covers Medicare prescriptions only.
What is Stephen Alexander Wesely, MD'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.