Nathan Stewart Zundel, M.D.
Emergency Medicine Physician · Oceanside, CA
Nathan Stewart Zundel, M.D. is an emergency medicine physician with a practice address in Oceanside, California, and NPI 1174784052, issued on Jun 23, 2008. Check the license on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Nathan Stewart Zundel
- Credential
- M.D.
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- 25294 NE
Self-reported in NPPES; status is on the state search - Practice location
- 200 Mercy Circle, Oceanside, CA 92055
- Phone
- (760) 725-1288
- Enumerated
- Jun 23, 2008
- Record last updated
- Aug 24, 2023
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 7,751 in California → Look up another NPI →
Also registered at 200 Mercy Circle
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Nathan Stewart Zundel in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of CaliforniaCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
92% fewer Medicare Part D claims than the average emergency medicine physician in 2024
19 Medicare Part D claims for 15 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D.
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 Stewart Zundel among 7,751 emergency medicine physician records in California
Nathan Stewart Zundel, 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 2008, is newer than 50% of them.
- NPI issued2008 · 50% of these records are older, 46% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileNo · 59% of these records are
- Record last updated2023 · 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 Nathan Stewart Zundel, M.D.'s NPI number?
Nathan Stewart Zundel, M.D.'s National Provider Identifier (NPI) is 1174784052, issued on Jun 23, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Nathan Stewart Zundel, M.D. located?
The NPPES record lists a practice address at 200 Mercy Circle, Oceanside, CA, 92055. Phone: (760) 725-1288. Providers update this record themselves, so call before visiting.
How can I verify Nathan Stewart Zundel, M.D.'s license?
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 Stewart Zundel, M.D. prescribe under Medicare Part D?
In 2024, Nathan Stewart Zundel, M.D. had 19 Medicare Part D claims for 15 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.