Alexander Theologis, M.D.
NPI 1649565771 · Orthopaedic Surgery Physician · San Francisco, CA
Enrolled with Medicare as Practitioner - Orthopedic Surgery · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Alexander Theologis, M.D. is a Orthopaedic Surgery Physician provider in San Francisco, CA (NPI 1649565771).
Provider details
- NPI number
- 1649565771
- Entity type
- Individual
- Primary specialty
- Orthopaedic Surgery PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 2017010211 (MO)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
15 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
1,586 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Fusion of Additional Segment of Spine22614 | 545 | $280 |
| Insertion of Cage Or Mesh Device to Spine Bone and Disc Space During Spine Fusion22853 | 101 | $266 |
| Partial Removal of Spine Bone With Release of Spinal Cord And/Or Nerves, Each Additional Segment63048 | 80 | $158 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 75 | $19 |
| Fusion of Spine in Lower Back22612 | 73 | $1,225 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$117,625 across 59 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Additional practice locations (1)
- 500 Parnassus AveMu320San Francisco, CA 94143Phone: (415) 353-8203
Registry dates
- Enumerated
- 2011-06-16
- Last updated
- 2019-03-04
Frequently asked questions
- What is Alexander Theologis's NPI number?
- Alexander Theologis's National Provider Identifier (NPI) is 1649565771, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Alexander Theologis's specialty?
- Alexander Theologis is listed in the NPPES registry with a primary specialty of Orthopaedic Surgery Physician (Allopathic & Osteopathic Physicians).
- Where is Alexander Theologis located?
- Alexander Theologis's practice location on file with NPPES is 500 Parnassus Ave, San Francisco, CA 94143.
- What is Alexander Theologis's phone number?
- The practice phone number listed in the NPPES registry for Alexander Theologis is (415) 353-8203.
- Does Alexander Theologis accept Medicare?
- Alexander Theologis is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Alexander Theologis's NPI active?
- Yes — Alexander Theologis's NPI (1649565771) is active in the NPPES registry as of the last update on 2019-03-04.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.