Adam Christopher Bortner
Infectious Disease Physician · San Diego, CA
Adam Christopher Bortner is an infectious disease physician with a practice address in San Diego, California, and NPI 1811491749, issued on Mar 23, 2018. Check the license (California A164879, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Adam Christopher Bortner
- Primary taxonomy
- Infectious Disease Physician 207RI0200X
- License number
- A164879 CA
Self-reported in NPPES; status is on the state search - Practice location
- 4168 Front St, San Diego, CA 92103
- Phone
- (800) 926-8273
- Enumerated
- Mar 23, 2018
- Record last updated
- Mar 26, 2025
- Medicare enrollment
- Enrolled (PECOS I20200416003256); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
Also registered at 4168 Front St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Jorge Alvarado, M.D.Obstetrics & Gynecology Physician1538588561
- Paloma Arvizu, NURSE PRACTITIONERFamily Nurse Practitioner1689139396
- Julie Aviles, RDRegistered Dietitian1487587275
- Beatrix Bartok, M.D.Specialist1639352859
- Ori Ben-Yehuda, M.D.Cardiovascular Disease Physician1508912387
- Schafer Boeder, M.D.Endocrinology, Diabetes & Metabolism Physician1477808285
Verify Adam Christopher Bortner in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A164879Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
46% more Medicare Part D claims than the average infectious disease physician in 2024
1,005 Medicare Part D claims for 76 beneficiaries, against an average of 689 among the 7,388 providers of this specialty who prescribed in Part D. Brand-name drugs were 19% of claims. 11 claims were for opioids.
Most prescribed
- Atorvastatin Calcium70 claims
- Tamsulosin Hcl61 claims
- Biktarvy46 claims
- Gabapentin41 claims
- Losartan Potassium35 claims
- Amlodipine Besylate33 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.
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).
Infectious Disease Physician providers in California
There are 1,119 infectious disease physician records in California.
Other infectious disease physician records in California
- Sanaz Abderrahmane, M.D.Sacramento, CA1902039902
- Shira Abeles, M.D.San Diego, CA1720240625
- Igor Abolnik, MDRureka, CA1194783829
- Firas Abubaker, MDCorona, CA1346255254
- Nehkonti Adams, M.D.San Diego, CA1194985705
- Paul Adamson, MD, MPHLos Angeles, CA1639558455
- Alina Adeel, M.DLa Jolla, CA1831453596
- Oladunni Adeyiga, MDLos Angeles, CA1801809751
- Jacqueline Adler, M.D.West Hills, CA1326094582
- Dipti Agrawal, MDPalo Alto, CA1437137189
Common questions
What is Adam Christopher Bortner's NPI number?
Adam Christopher Bortner's National Provider Identifier (NPI) is 1811491749, issued on Mar 23, 2018. An NPI identifies a provider in billing; it is not a license.
Where is Adam Christopher Bortner located?
The NPPES record lists a practice address at 4168 Front St, San Diego, CA, 92103. Phone: (800) 926-8273. Providers update this record themselves, so call before visiting.
How can I verify Adam Christopher Bortner's license?
NPPES lists California license number A164879, 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 Adam Christopher Bortner prescribe under Medicare Part D?
In 2024, Adam Christopher Bortner had 1,005 Medicare Part D claims for 76 beneficiaries; the average among infectious disease physician prescribers was 689. 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.