David L. Bortz, M.D., F.A.C.P.
Specialist · San Diego, CA
David L. Bortz, M.D., F.A.C.P. is a specialist with a practice address in San Diego, California, and NPI 1336291665, issued on Jan 17, 2007. Check the license (California A45505, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- David L. Bortz
- Credential
- M.D., F.A.C.P.
- Primary taxonomy
- Specialist 174400000X
- License number
- A45505 CA
Self-reported in NPPES; status is on the state search - Practice location
- 5414 Oberlin Dr, San Diego, CA 92121
- Phone
- (858) 455-9955
- Enumerated
- Jan 17, 2007
- Record last updated
- Apr 28, 2008 (not updated in 18 years: call before relying on the address or phone)
- Fax
- (858) 455-1429
- Entity
- Type 1 · individual
Also registered at 5414 Oberlin Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Ann Clark, MFTMental Health Counselor1972794691
- Pantea ShahbaziMarriage & Family Therapist1851019533
Verify David L. Bortz in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license A45505Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
87% fewer Medicare Part D claims than the average specialist in 2024
174 Medicare Part D claims for 32 beneficiaries, against an average of 1,380 among the 8,233 providers of this specialty who prescribed in Part D.
Most prescribed
- Ozempic21 claims
- Ezetimibe19 claims
- Rosuvastatin Calcium13 claims
- Doxazosin Mesylate12 claims
- Ondansetron Odt11 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.
Industry payments in 2024: $213.41
5 payments; by number, the most common kind was food and beverage; the largest payer was Regeneron Healthcare Solutions, Inc. The 5,844 providers of this specialty with any payment received $4,760.79 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.
Specialist providers in California
There are 5,749 specialist records in California.
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- Farinaz AbdiSan Marcos, CA1063153963
- Mai Abe, LESanta Monica, CA1609405158
- Hamid Abedi, HEARING AID SPECIALISan Diego, CA1659410744
- Jonas AbellaSan Francisco, CA1679760938
- Shreedhar Abhyankar, M.D.Indio, CA1861530669
- Elaine AbichRiverside, CA1780458927
- Mussarat Abidi, MDLadera Ranch, CA1053307769
Common questions
What is David L. Bortz, M.D., F.A.C.P.'s NPI number?
David L. Bortz, M.D., F.A.C.P.'s National Provider Identifier (NPI) is 1336291665, issued on Jan 17, 2007. An NPI identifies a provider in billing; it is not a license.
Where is David L. Bortz, M.D., F.A.C.P. located?
The NPPES record lists a practice address at 5414 Oberlin Dr, San Diego, CA, 92121. Phone: (858) 455-9955. Providers update this record themselves, so call before visiting.
How can I verify David L. Bortz, M.D., F.A.C.P.'s license?
NPPES lists California license number A45505, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does David L. Bortz, M.D., F.A.C.P. prescribe under Medicare Part D?
In 2024, David L. Bortz, M.D., F.A.C.P. had 174 Medicare Part D claims for 32 beneficiaries; the average among specialist prescribers was 1,380. 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.