DR. ALEXANDER ANTONIOS THEOLOGIS M.D.
NPI 1649565771
Orthopaedic Surgery in San Francisco, CA

Q: What is Alexander Theologis's NPI number?

The NPI number for Alexander Theologis is 1649565771. It was assigned to this individual provider in the NPPES registry on June 16, 2011.

Q: What is Alexander Theologis's specialty?

The primary specialty registered for this NPI is Orthopaedic Surgery with taxonomy code 207X00000X.

Active since June 16, 2011PECOS EnrolledAccepts Medicare Assignment

75/100

CMS Quality Rating

500 PARNASSUS AVE, MU320, SAN FRANCISCO, CA 94143(415) 353-8203 Get Directions Write a Review

NPPES record last updated: March 4, 2019. Verified against the NPPES registry weekly; last sync: August 09, 2026.

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About Dr. Alexander Antonios Theologis M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. ALEXANDER ANTONIOS THEOLOGIS M.D. (NPI 1649565771) is an individual orthopaedic surgery provider in San Francisco, California, licensed in California (A124464) and active in the NPI registry since June 2011. He is enrolled in Medicare PECOS, maintains a secondary practice location in San Francisco, and is a graduate of Other (2011).

NPPES Registry Identity

NPI1649565771

Entity TypeIndividualMale

Primary Taxonomy207X00000X

Provider Legal NameDR. ALEXANDER ANTONIOS THEOLOGISCredential: M.D.

Location Address500 PARNASSUS AVE, MU320San Francisco, CA 94143

Mailing Address660 S Euclid AveSaint Louis, MO 63110-1010 · (650) 996-6651

Phone(415) 353-8203

Sole ProprietorNo

Medical School CMSOtherGraduated 2011

Enumeration DateJune 16, 2011

Last NPPES UpdateMarch 4, 2019

✔ NPI 1649565771 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyOrthopaedic SurgeryAllopathic & Osteopathic Physicians

Taxonomy Code207X00000X

License✔ Licensed in CA · A124464

Definition

An orthopaedic surgeon is trained in the preservation, investigation and restoration of the form and function of the extremities, spine and associated structures by medical, surgical and physical means. An orthopaedic surgeon is involved with the care of patients whose musculoskeletal problems include congenital deformities, trauma, infections, tumors, metabolic disturbances of the musculoskeletal system, deformities, injuries and degenerative diseases of the spine, hands, feet, knee, hip, shoulder and elbow in children and adults. An orthopaedic surgeon is also concerned with primary and secondary muscular problems and the effects of central or peripheral nervous system lesions of the musculoskeletal system.

Also ListedOrthopaedic Surgery · Orthopaedic Surgery of the SpineTaxonomy 207XS0117X · License 2017010211 (MO)

500 PARNASSUS AVE, San Francisco, CA 94143

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Secondary Practice Location 1

Location 1500 Parnassus Ave, MU320San Francisco, CA 94143 · Phone (415) 353-8203

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Alexander Antonios Theologis M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID5890926992

PECOS Enrollment IDI20180905001368

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 20

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Fusion of additional segment of spine 22614

Fusion of an additional segment of the spine is a surgical procedure to join two or more vertebrae together. This is done to stabilize the spine and reduce pain or correct a deformity. The procedure involves using bone grafts, rods, or screws to secure the spine.

545 services89 patients

Insertion of cage or mesh device to spine bone and disc space during spine fusion 22853

Spine fusion is a procedure to join two or more vertebrae. During this process, a cage or mesh device is inserted into the spine bone and disc space. This helps to stabilize the spine, reduce pain, and improve functionality. The device acts as a bridge for new bone to grow on.

101 services49 patients

Partial removal of spine bone with release of spinal cord and/or nerves, each additional segment 63048

This procedure involves the partial removal of a bone in your spine to alleviate pressure on your spinal cord or nerves. It may be performed on multiple spine segments depending on your condition. The aim is to improve mobility and reduce pain or discomfort.

80 services33 patients

Fusion of spine in lower back 22612

Fusion of the spine in the lower back, also known as lumbar spinal fusion, is a surgery aimed to join, or fuse, two or more vertebrae in your lower back. This procedure can help alleviate pain and improve stability by reducing movement between the vertebrae.

73 services73 patients

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214

This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.

72 services59 patients

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214

67 services57 patients

Computer-assisted spinal procedure 61783

A computer-assisted spinal procedure is a surgical technique that uses computer technology for improved precision. It involves creating a 3D image of your spine to guide the surgeon during the operation. This method enhances accuracy, reduces risk, and promotes quicker recovery.

60 services60 patients

Fusion of spine bones through front of body with partial removal of disc, each additional disc 22585

This procedure involves merging spine bones via the front of the body. A portion of each additional disc is removed to ease pressure and discomfort. This helps to stabilize the spine and improve mobility.

54 services34 patients

Insertion of instrumentation to pelvic bones 22848

This procedure involves placing medical devices into the pelvic bones. It's done to stabilize the bones, aid in healing, or prepare for further treatment. The process is carried out under anesthesia, ensuring comfort and safety throughout.

47 services47 patients

Fusion of lower spine bone through abdomen with partial removal of disc 22558

This procedure involves merging the bones in your lower spine through an abdominal approach. A portion of the disc, which acts like a cushion between your vertebrae, is partially removed. The goal is to alleviate back pain by limiting movement in the problem area of your spine.

46 services45 patients

Placement of stabilizing device to back, 7-12 spine bone segments 22843

This procedure involves positioning a stabilizing device along your spine's 7th to 12th segments. It's done to support your back and enhance stability, reducing pain and improving mobility. It's a safe, commonly performed surgical procedure.

46 services45 patients

Partial removal of spine bone with release of lower spinal cord and/or nerves, 1 segment 63047

This procedure involves removing part of a spine bone to alleviate pressure on the lower spinal cord and/or nerves. It targets a single segment of the spine, improving mobility and reducing pain. It's a common treatment for conditions like herniated discs or spinal stenosis.

40 services40 patients

New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204

This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.

37 services37 patients

Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215

This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.

33 services31 patients

Placement of stabilizing device to back, 3-6 spine bone segments 22842

This procedure involves placing a device on your back to stabilize 3-6 spine bone segments. It aids in maintaining spine alignment and reducing pain. The device is secured to the bones, providing support and promoting healing.

31 services31 patients

Incision or removal of spine bone segment, each additional segment 22216

This procedure involves making an incision to remove a portion of the spine bone, often to alleviate pressure or pain. If more segments need to be removed, the process is repeated for each additional segment. This is done under general anesthesia.

26 services13 patients

Insertion of needle into vein for collection of blood sample 36415

This procedure involves inserting a small needle into a vein, typically in your arm, to collect a blood sample. It's a quick and simple process to help diagnose or monitor health conditions. You may feel a small prick, but discomfort is minimal.

23 services21 patients

Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215

23 services22 patients

New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204

22 services22 patients

Placement of stabilizing device to back, 13 or more spine bone segments 22844

This procedure involves positioning a stabilizing device along your spine, specifically across 13 or more spinal bone segments. It's designed to provide support, improve stability, and help manage conditions that affect your spine's structure and function.

13 services13 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 94143 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$104.51 typical visit price

range $69.00 – $202.35

Typical copayment $26.12 (range $17.25 – $50.58)

Most-billed visit code 99203

Established Patient

$84.91 typical visit price

range $23.44 – $166.46

Typical copayment $21.22 (range $5.86 – $41.61)

Most-billed visit code 99213

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

75/100

MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program

Scored as part of a group practice

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

PRATAP MUKHERJEE M.D, M.S

Thoracic Surgery (Cardiothoracic Vascular Surgery)

500 PARNASSUS AVE, MUW425
SAN FRANCISCO, CA 94143

San Francisco County (415) 353-7924

ARUSHI GULATI MD

Student in an Organized Health Care Education/Training Program

500 PARNASSUS AVE
SAN FRANCISCO, CA 94143

San Francisco County (415) 476-4562

SARAH CHONG

Pharmacist

500 PARNASSUS AVE
SAN FRANCISCO, CA 94143

San Francisco County (415) 681-3394

ABBEY LYNN KENNEDY M.D.

Orthopaedic Surgery

500 PARNASSUS AVE, MU 320W
SAN FRANCISCO, CA 94143

San Francisco County (415) 476-6043

RACHEL LEVY MD

Obstetrics & Gynecology

500 PARNASSUS AVE
SAN FRANCISCO, CA 94143

San Francisco County (415) 476-4562

PROF. MATTHIEU LEGRAND MD, PHD

Anesthesiology (Critical Care Medicine)

500 PARNASSUS AVE
SAN FRANCISCO, CA 94143

San Francisco County (415) 476-9035

SERGIO EDUARDO FLORES

Orthopaedic Surgery (Sports Medicine)

500 PARNASSUS AVE
SAN FRANCISCO, CA 94143

San Francisco County (415) 476-1788

CHLOE CONNOLLY DLOTT

Student in an Organized Health Care Education/Training Program

500 PARNASSUS AVE
SAN FRANCISCO, CA 94143

San Francisco County (628) 206-8000

ALLISON NGAN

Pharmacist

500 PARNASSUS AVE
SAN FRANCISCO, CA 94143

San Francisco County (415) 681-3394

UCSF MEDICAL CENTER

General Acute Care Hospital

500 PARNASSUS AVE, 11 LONG, BOX 0210
SAN FRANCISCO, CA 94143

San Francisco County (415) 353-1383

MS. PAULA M. RAINEY OT/L, SWC

Occupational Therapist (Feeding, Eating & Swallowing)

500 PARNASSUS AVE, I LEVEL RM. MU-09
SAN FRANCISCO, CA 94143

San Francisco County (415) 353-4972

DR. CHEE TEIK LEE M.B., B.S.

Anesthesiology

500 PARNASSUS AVE, MILLBERRY UNION EAST 4TH FLOOR, BOX 0648
SAN FRANCISCO, CA 94143

San Francisco County (415) 476-9041

STEPHANIE HWANG RN, BSN, MSN

Nurse Practitioner (Acute Care)

500 PARNASSUS AVE
SAN FRANCISCO, CA 94143

San Francisco County (415) 476-1606

BLYTHE ANNE BUTLER MD

Student in an Organized Health Care Education/Training Program

500 PARNASSUS AVE
SAN FRANCISCO, CA 94143

San Francisco County (509) 499-8938

DR. EMILY JOAN LUO MD

Student in an Organized Health Care Education/Training Program

500 PARNASSUS AVE, MU 320 WEST
SAN FRANCISCO, CA 94143

San Francisco County (415) 476-6548

PIERA SOSA

Student in an Organized Health Care Education/Training Program

500 PARNASSUS AVE
SAN FRANCISCO, CA 94143

San Francisco County (415) 514-5575

DR. LISA BONSIGNORE-OPP MD

Student in an Organized Health Care Education/Training Program

500 PARNASSUS AVE
SAN FRANCISCO, CA 94143

San Francisco County (415) 476-6548

UNIVERSITY OF CALIFORNIA SAN FRANCISCO

Special Hospital

500 PARNASSUS AVE, MUW 405 BOX 0118
SAN FRANCISCO, CA 94143

San Francisco County (415) 353-8195

JULIA SHEN NP

Nurse Practitioner (Acute Care)

500 PARNASSUS AVE
SAN FRANCISCO, CA 94143

San Francisco County (415) 353-8890

DR. PEGGY S. WEINTRUB M.D.

Pediatrics

500 PARNASSUS AVE
SAN FRANCISCO, CA 94143

San Francisco County (415) 476-0301

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Alexander Theologis's NPI number?

The NPI number for Alexander Theologis is 1649565771. It was assigned to this individual provider in the NPPES registry on June 16, 2011.

Where is Alexander Theologis located?

Alexander Theologis practices at 500 Parnassus Ave Mu320, San Francisco, CA 94143. The listed phone number is (415) 353-8203.

What is Alexander Theologis's specialty?

The primary specialty registered for this NPI is Orthopaedic Surgery with taxonomy code 207X00000X.

Is Alexander Theologis enrolled in Medicare?

Yes. Alexander Theologis is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

When was this NPI record last updated?

The NPPES record for Alexander Theologis was last updated on March 4, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.