Nathan Stuempfig, D.O.
Emergency Medicine Physician · Modesto, CA
Nathan Stuempfig, D.O. is an emergency medicine physician with a practice address in Modesto, California, and NPI 1003122813, issued on Aug 31, 2010. Check the license (California 20A13315, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Nathan Stuempfig
- Credential
- D.O.
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License numbers
- 20A13315 CA
125057518 IL
Self-reported in NPPES; status is on the state search - Practice location
- 4601 Dale RD, Modesto, CA 95356
- Phone
- (209) 715-1780
- Enumerated
- Aug 31, 2010
- Record last updated
- Oct 30, 2024
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 7,751 in California → Look up another NPI →
Also registered at 4601 Dale RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Laith Al-Najjar, D.O.Emergency Medicine Physician1932801768
- Zaid Alazawi, DOStudent in an Organized Health Care Education/Training Program1295583102
- Brandi AlbrittonCertified Respiratory Therapist1326503541
- Hilda Alcala, MDAnesthesiology Physician1467644427
Verify Nathan Stuempfig in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license 20A13315Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
81% fewer Medicare Part D claims than the average emergency medicine physician in 2024
43 Medicare Part D claims for 37 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. 14 claims were for opioids.
Most prescribed
- Hydrocodone-Acetaminophen11 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.
Nathan Stuempfig among 7,751 emergency medicine physician records in California
Nathan Stuempfig, D.O. 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 2010, is newer than 58% of them.
- NPI issued2010 · 58% of these records are older, 40% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileNo · 59% of these records are
- Record last updated2024 · 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 Modesto → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Aliasgar ChinwalaModesto, CA 953561760612378
- Steven Deford, M.D.Modesto, CA 953561194955435
- John Gallo, M.D.Modesto, CA 953561003812751
- Richard Garcia, MDModesto, CA 953561437110566
- Laurel Goldstein, MDModesto, CA 953561992748446
- Forrest Hill, MDModesto, CA 953561902003817
- Christopher Lau, M.D.Modesto, CA 953561093009896
- Beatrice Loui Yau, M.D.Modesto, CA 953561760646285
Common questions
What is Nathan Stuempfig, D.O.'s NPI number?
Nathan Stuempfig, D.O.'s National Provider Identifier (NPI) is 1003122813, issued on Aug 31, 2010. An NPI identifies a provider in billing; it is not a license.
Where is Nathan Stuempfig, D.O. located?
The NPPES record lists a practice address at 4601 Dale RD, Modesto, CA, 95356. Phone: (209) 715-1780. Providers update this record themselves, so call before visiting.
How can I verify Nathan Stuempfig, D.O.'s license?
NPPES lists California license number 20A13315, 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 Nathan Stuempfig, D.O. prescribe under Medicare Part D?
In 2024, Nathan Stuempfig, D.O. had 43 Medicare Part D claims for 37 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.