Alexander Antonios Theologis, M.D.
Orthopaedic Surgery Physician · San Francisco, CA
Alexander Antonios Theologis, M.D. is an orthopaedic surgery physician with a practice address in San Francisco, California, and NPI 1649565771, issued on Jun 16, 2011. Check the license (California A124464, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Alexander Antonios Theologis
- Credential
- M.D.
- Primary taxonomy
- Orthopaedic Surgery Physician 207X00000X
- License numbers
- A124464 CA
2017010211 MO
Self-reported in NPPES; status is on the state search - Practice location
- 500 Parnassus Ave, San Francisco, CA 94143
- Phone
- (415) 353-8203
- Enumerated
- Jun 16, 2011
- Record last updated
- Mar 4, 2019 (not updated in 7 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20180905001368); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
Also registered at 500 Parnassus Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Kwabena Adu-KwartengStudent in an Organized Health Care Education/Training Program1801697784
- Annette Albright, M.D.Psychiatry Physician1750430625
- Abdullah Alshammari, MD, FRCSCOrthopaedic Surgery of the Spine Physician1437982477
- Gulsedef Arslan, DOStudent in an Organized Health Care Education/Training Program1891358297
- Peter Barish, M.D.Internal Medicine Physician1366861379
- Jeffrey Barry, MDOrthopaedic Surgery Physician1598031304
Verify Alexander Antonios Theologis in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A124464Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
94% fewer Medicare Part D claims than the average orthopaedic surgery physician in 2024
20 Medicare Part D claims, against an average of 346 among the 16,516 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of 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.
No measured MIPS final score for 2023
CMS assigned the neutral MIPS final score of 75 without scoring Quality, Cost, Promoting Interoperability or Improvement Activities. It is an administrative threshold, so PlainDoctor does not compare it with measured clinicians.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $117,624.59
59 payments; by number, the most common kind was food and beverage; the largest payer was Alphatec Spine, Inc. The 15,003 providers of this specialty with any payment received $23,022.89 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.
Bills Medicare through one group practice
- Ucsf Medical Group Business ServicesBerkeley, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Orthopaedic Surgery Physician providers in California
There are 2,276 orthopaedic surgery physician records in California.
Other orthopaedic surgery physician records in California
- Karim Abdollahi, M.D.Laguna Beach, CA1942240403
- Michael Abdulian, MDGlendale, CA1649469628
- Hussein Abdulrassoul, MDRiverside, CA1972123891
- Douglas Abeles, MDCastro Valley, CA1508961582
- Anthony Abene, MDSan Jose, CA1457437964
- Torgom Abraamyan, M.D.Van Nuys, CA1013370410
- Monther AbuhantashSan Francisco, CA1447041512
- Joshua Acebo, MDPalo Alto, CA1396373734
- Daniel Acevedo, M.D.Thousand Oaks, CA1184856122
- John Adams, MDLos Angeles, CA1215914114
Common questions
What is Alexander Antonios Theologis, M.D.'s NPI number?
Alexander Antonios Theologis, M.D.'s National Provider Identifier (NPI) is 1649565771, issued on Jun 16, 2011. An NPI identifies a provider in billing; it is not a license.
Where is Alexander Antonios Theologis, M.D. located?
The NPPES record lists a practice address at 500 Parnassus Ave, San Francisco, CA, 94143. Phone: (415) 353-8203. Providers update this record themselves, so call before visiting.
How can I verify Alexander Antonios Theologis, M.D.'s license?
NPPES lists California license number A124464, 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 Alexander Antonios Theologis, M.D. prescribe under Medicare Part D?
In 2024, Alexander Antonios Theologis, M.D. had 20 Medicare Part D claims; the average among orthopaedic surgery physician prescribers was 346. Part D covers Medicare prescriptions only.
What is Alexander Antonios Theologis, M.D.'s MIPS final score?
CMS assigned the neutral MIPS final score of 75 for 2023 without scoring any category, so it is not a measured result.
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.