Christian A. Tomaszewski, MD
Medical Toxicology (Emergency Medicine) Physician · San Diego, CA
Christian A. Tomaszewski, MD is a medical toxicology (emergency medicine) physician with a practice address in San Diego, California, and NPI 1982629408, issued on Jul 13, 2006. Check the license (California G88375, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Christian A. Tomaszewski
- Credential
- MD
- Primary taxonomy
- Medical Toxicology (Emergency Medicine) Physician 207PT0002X
- License numbers
- G88375 CA
32183 NC
Self-reported in NPPES; status is on the state search - Practice location
- 200 W Arbor Dr, San Diego, CA 92103
- Phone
- (562) 809-3525
- Enumerated
- Jul 13, 2006
- Record last updated
- May 23, 2023
- Medicaid IDs
- 8983604 NC
1982629408 CA - Medicare enrollment
- Enrolled (PECOS I20090106000273); accepts Medicare assignment
- Medical or professional school
- Pennsylvania State University College Of Medicine, 1986
- Entity
- Type 1 · individual
8 nearest medical toxicology (emergency medicine) physician records → All 12 in California → Look up another NPI →
Also registered at 200 W Arbor Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Alison A'Court, MDAnesthesiology Physician1912218199
- Benjamin Abbadessa, M.D.Colon & Rectal Surgery Physician1255593612
- Geraldine Abcede, RNCertified Registered Nurse Anesthetist1982384046
- Joseph Abdelmalek, M.DNephrology Physician1740485531
- Kristy AbelCertified Registered Nurse Anesthetist1962113035
- Paula Abeleda, NPFamily Nurse Practitioner1558945022
Verify Christian A. Tomaszewski in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G88375Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
12% fewer Medicare Part D claims than the average medical toxicology (emergency medicine) physician in 2024
122 Medicare Part D claims for 91 beneficiaries, against an average of 138 among the 103 providers of this specialty who prescribed in Part D. 18 claims were for opioids.
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.
Bills Medicare through one group practice
- Regents OF The University OF CaliforniaSan Diego, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Christian A. Tomaszewski among 12 medical toxicology (emergency medicine) physician records in California
Christian A. Tomaszewski, MD is one of 12 medical toxicology (emergency medicine) physician records with a practice address in California. 92% 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 0% of them.
- NPI issued2006 · 0% of these records are older, 83% newer
- In a Medicare fileYes · 92% of these records are
- In the CMS Doctors and Clinicians fileYes · 75% of these records are
- Record last updated2023 · 33% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207PT0002X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Medical Toxicology (Emergency Medicine) Physician providers in California
There are 12 medical toxicology (emergency medicine) physician records in California.
All 12 in California → Every provider in San Diego → Medical Toxicology (Emergency Medicine) Physician nationwide →
The 8 medical toxicology (emergency medicine) physician records with the nearest ZIP codes
- Santiago Batista Minaya, MDRancho Mirage, CA 922701114555695
- Nathan Friedman, MDRancho Mirage, CA 922701992236756
- Henrik Galust, MDRancho Mirage, CA 922701932696093
- John KellerRancho Mirage, CA 922701467956433
- James Rhee, MDLoma Linda, CA 923541528028933
- Scott Hardy, M.D., M.P.H.Santa Ana, CA 927061053468975
- Gary Ordog, M.D.Newhall, CA 913221205954955
- Nicklaus Brandehoff, M.D.Fresno, CA 937211780942599
Common questions
What is Christian A. Tomaszewski, MD's NPI number?
Christian A. Tomaszewski, MD's National Provider Identifier (NPI) is 1982629408, issued on Jul 13, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Christian A. Tomaszewski, MD located?
The NPPES record lists a practice address at 200 W Arbor Dr, San Diego, CA, 92103. Phone: (562) 809-3525. Providers update this record themselves, so call before visiting.
How can I verify Christian A. Tomaszewski, MD's license?
NPPES lists California license number G88375, 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 Christian A. Tomaszewski, MD prescribe under Medicare Part D?
In 2024, Christian A. Tomaszewski, MD had 122 Medicare Part D claims for 91 beneficiaries; the average among medical toxicology (emergency medicine) physician prescribers was 138. 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.