Physician Profile
Alexander A. Theologis, M.D.
Unclaimed ProfileAbout Dr. Theologis
Based in San Francisco, CA, Alexander A. Theologis, M.D. is listed in the NPI registry under orthopaedic surgery. Alexander is also listed as specializing in orthopaedic surgery of the spine. Medicare claims data shows Alexander provided 1,586 services to 950 patients. The services billed most often include fusion of additional segment of spine, insertion of cage or mesh device to spine bone and disc space during spine fusion, and partial removal of spine bone with release of spinal cord and/or nerves, each additional segment.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it — free, and no identity document with a practice or institutional email.
Education & Training
Specialty
Credentials & Licensing
License numbers are what the provider reported to NPPES when the NPI was issued or updated. NPPES does not verify licensure; confirm current standing with the state licensing board.
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (415) 353-8203
- Email not available
Practice Locations
500 PARNASSUS AVE MU320
San Francisco, CA 94143
Conditions Commonly Evaluated or Treated
Within Orthopedic Surgery generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Conditions
Most searched conditions
Elbow, hand, and wrist
Foot and ankle
Hip
Shoulder
Sports and soft tissue
Trauma and bone
Foot & Ankle
Spine
Procedures & services
Most searched procedures
Evaluation and nonsurgical
Arthroscopy
Foot & Ankle
Foot and ankle
Hand & Wrist
Hand and upper extremity
Injections & Non-Surgical
Injections & pain relief
Joint replacement
- Partial knee replacement
- Reverse shoulder replacement
- Revision joint replacement
- Shoulder replacement
Knee
Shoulder surgery
Trauma & Fractures
Trauma and fixation
Procedures Most Often Billed to Medicare
1,586 services · 950 patients · 22 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Fusion of additional segment of spine | Procedure | 22614 |
545 | More than most peers in Orthopaedic Surgery |
| Insertion of cage or mesh device to spine bone and disc space during spine fusion | Procedure | 22853 |
101 | More than most peers in Orthopaedic Surgery |
| Partial removal of spine bone with release of spinal cord and/or nerves, each additional segment | Procedure | 63048 |
80 | More than most peers in Orthopaedic Surgery |
| Fusion of spine in lower back | Procedure | 22612 |
73 | More than most peers in Orthopaedic Surgery |
| Computer-assisted spinal procedure | Procedure | 61783 |
60 | More than most peers in Orthopaedic Surgery |
| Fusion of spine bones through front of body with partial removal of disc, each additional disc | Procedure | 22585 |
54 | More than most peers in Orthopaedic Surgery |
| Insertion of instrumentation to pelvic bones | Procedure | 22848 |
47 | More than most peers in Orthopaedic Surgery |
| Placement of stabilizing device to back, 7-12 spine bone segments | Procedure | 22843 |
46 | More than most peers in Orthopaedic Surgery |
| Fusion of lower spine bone through abdomen with partial removal of disc | Procedure | 22558 |
46 | More than most peers in Orthopaedic Surgery |
| Partial removal of spine bone with release of lower spinal cord and/or nerves, 1 segment | Procedure | 63047 |
40 | More often than most peers in Orthopaedic Surgery |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other orthopaedic surgeons at this location 2
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 1
Clinically related specialties at the same address — the people this provider most likely works alongside.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
More connections — 31 related providers in 4 groups
Other orthopaedic surgeons in San Francisco 7
Same specialty, same city.
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
Class of 2011 at Other 8
Providers who graduated from the same medical school in the same year.
Also performs Fusion of additional segment of spine 8
Providers in CA who bill this service to Medicare most often.
Common questions
What is Alexander A. Theologis's specialty?
Alexander A. Theologis is an orthopaedic surgeon in San Francisco, CA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Orthopaedic Surgery”.
NPI registry
Where can I find Alexander A. Theologis?
Alexander A. Theologis is listed at 500 Parnassus Ave Mu320, San Francisco, CA 94143. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Alexander A. Theologis?
The number on file is (415) 353-8203. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is the NPI for Alexander A. Theologis?
Alexander A. Theologis's National Provider Identifier is 1649565771. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
What is Alexander A. Theologis's education?
Alexander A. Theologis attended Other, graduating in 2011. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Alexander A. Theologis have?
Alexander A. Theologis has 15 years experience. Calculated from a graduation year of 2011, reported in the CMS National Downloadable File.
CMS public data
What is Alexander A. Theologis known for?
According to Medicare billing data, Alexander A. Theologis performs procedures including fusion of additional segment of spine, insertion of cage or mesh device to spine bone and disc space during spine fusion and partial removal of spine bone with release of spinal cord and/or nerves, each additional segment, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Alexander A. Theologis's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Alexander A. Theologis. If this is you, claiming it is free.
Guide.md
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.