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


Quality Rating: 75 out of 100 score

NPI Status: Active since June 16, 2011

Contact Information

500 PARNASSUS AVE
MU320
SAN FRANCISCO, CA
ZIP 94143
Phone: (415) 353-8203

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  • Individual
  • Male
  • Years of Experience 15
  • Orthopaedic Surgery
  • Accepts Medicare Approved Payment
  • PECOS Enrolled

About ALEXANDER THEOLOGIS

This page provides the complete NPI Profile along with additional information for Alexander Theologis, a provider established in San Francisco, California with a medical specialization in Orthopaedic Surgery and more than 15 years of experience. The healthcare provider is registered in the NPI registry with number 1649565771 assigned on June 2011. The practitioner's primary taxonomy code is 207X00000X with license number A124464 (CA). The provider is registered as an individual and his NPI record was last updated 7 years ago.

NPI
1649565771
Provider Name
DR. ALEXANDER ANTONIOS THEOLOGIS M.D.
Gender
Male
Entity Type
Individual
Location Address
500 PARNASSUS AVE MU320 SAN FRANCISCO, CA 94143
Location Phone
(415) 353-8203
Mailing Address
660 S EUCLID AVE SAINT LOUIS, MO 63110
Mailing Phone
(650) 996-6651
Medical School Name
OTHER
Graduation Year
2011
Is Sole Proprietor?
No
Enumeration Date
06-16-2011
Last Update Date
03-04-2019
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Location Map

Secondary Locations

  • 500 Parnassus Ave MU320
    San Francisco, CA 94143
    (415) 353-8203

Specialty - Primary Taxonomy

The NPI enumerator requires providers to submit at least one taxonomy code. A taxonomy code is a unique 10-character code that describes the healthcare provider type, classification, and the area of specialization. There could be only one primary taxonomy code per NPI record. For individual NPIs the license data is associated to the taxonomy code.

Classification

Orthopaedic Surgery

Taxonomy Code
207X00000X
Type
Allopathic & Osteopathic Physicians
License No.
A124464
License State
CA
Taxonomy Description
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.

Secondary Taxonomies

The provider has reported to the NPI enumerator additional taxonomy codes. Multiple taxonomy codes may represent subspecialties or other areas of specialization the provider maybe licensed to practice.

No. Taxonomy Code Type Classification /
Specialization
License No. (State)
1207XS0117XAllopathic & Osteopathic Physicians

Orthopaedic Surgery
Orthopaedic Surgery of the Spine

2017010211 (MO)

Medicare Participation & PECOS Enrollment Status

Alexander Theologis is registered with Medicare and accepts claims assignment, this means the provider accepts the approved amount for the cost of rendered services as full payment. Participating providers may not charge beneficiaries more than the approved amount for their services. Please keep in mind that beneficiaries still have to pay a coinsurance or copayment amount for a visit or service.

Alexander Theologis is enrolled in PECOS and is eligible to order or refer health care services for Medicare patients. The provider is eligible to order or refer: Part B Clinical Laboratory and Imaging, Durable Medical Equipment (DME), a Home Health Agency (HHA) and Power Mobility Devices.

What is PECOS?
PECOS is the online Medicare enrollment management system or Provider, Enrollment, Chain and Ownership System. The PECOS system is a database of providers who have registered with CMS as providers or suppliers. PECOS is the primary source of information about verified Medicare professionals. Providers that want to participate in this program need to enroll in PECOS with their NPI number to avoid denied claims.

  • Is the provider registered in PECOS? Yes

  • PECOS PAC ID: 5890926992

    What is the PECOS Associate Control ID?
    A PAC ID is a unique 10-digit number assigned to an individual or organization healthcare provider in PECOS. The PAC ID is used to link together all the provider information, like tax identification numbers and organizational names. A PAC ID can be connected to multiple Enrollment IDs if an individual or organization has enrolled in PECOS more than once.

  • PECOS Enrollment ID: I20180905001368

    What is the Provider Enrollment ID?
    The Enrollment ID is a unique alphanumeric 15-digit code assigned to each new provider's PECOS enrollment application. The Enrollment ID is used to link together all the provider enrollment information like enrollment type, state, provider specialty, and reassignment of benefits.

  • Accepts Medicare Assignment? Yes

    What does it mean "accepts medicare assignment"?
    When a provider accepts Medicare assignment, the provider agrees to be paid directly by Medicare and to accept the payment amount approved by Medicare. Additionally, the provider agrees to not bill patients for more than the Medicare deductible and coinsurance amounts.
    A provider who doesn't accept assignment may charge you up to 15% over the Medicare-approved amount. This is known as the limiting charge. You may have to pay this amount, or it may be covered by another insurer.

  • Eligible to Order or Refer Part B Clinical Laboratory and Imaging: Yes

  • Eligible to Order or Refer Durable Medical Equipment (DMEPOS): Yes

  • Eligible to Order or Refer a Home Health Agency (HHA): Yes

  • Eligible to Order or Refer Power Mobility Devices: Yes

Areas of Expertise

The following services and procedures, recently provided to Medicare patients, illustrate the range of care this provider offers. This list reflects the variety of services available to all patients visiting the practice and is based on 2022 Medicare dataset. In general, the more frequently a provider treats specific conditions or performs particular procedures, the more experienced they become in addressing similar patient needs. The provider has delivered many of the services listed below to Medicare patients. Please note that this list does not include services provided to patients who are not covered by Medicare.

Computer-assisted spinal procedure

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.

This service was performed 38 times for 37 patients

Established patient office or other outpatient visit, 30-39 minutes

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.

This service was performed 39 times for 35 patients

Established patient office or other outpatient visit, 30-39 minutes

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.

This service was performed 32 times for 28 patients

Fusion of additional segment of spine

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.

This service was performed 354 times for 68 patients

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

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.

This service was performed 25 times for 24 patients

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

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.

This service was performed 28 times for 20 patients

Fusion of spine in lower back

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.

This service was performed 46 times for 44 patients

Fusion of spine in neck by posterior approach

Fusion of the spine in the neck by a posterior approach is a surgery to stabilize the neck. It involves connecting two or more vertebrae in the neck from the back side. This can reduce pain and improve stability by limiting movement of the neck.

This service was performed 14 times for 14 patients

Insertion of cage or mesh device in disc space during spine fusion

During spine fusion, a cage or mesh device may be inserted into the disc space. This device aids in stabilizing the spine and promoting bone growth for fusion. It's a common and safe procedure used to treat conditions like spinal stenosis or herniated discs.

This service was performed 11 times for 11 patients

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

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.

This service was performed 69 times for 32 patients

Insertion of instrumentation to pelvic bones

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.

This service was performed 30 times for 30 patients

Insertion of needle into vein for collection of blood sample

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.

This service was performed 19 times for 17 patients

Laminectomy or laminotomy (partial removal of spine bones)

A laminectomy or laminotomy is a surgical procedure that involves removing part of the bone in your spine, specifically the lamina, to alleviate pressure on your spinal cord or nerves. This can help reduce pain and improve mobility if you're suffering from conditions like herniated discs or spinal stenosis.

This service was performed for 71 patients

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

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.

This service was performed 28 times for 28 patients

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

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.

This service was performed 60 times for 26 patients

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

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.

This service was performed 28 times for 28 patients

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

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.

This service was performed 36 times for 36 patients

Reconstruction of upper spine bone and posterior bony elements with release of upper spinal cord

This procedure involves rebuilding the upper part of your spine and the back parts of your bone structure. It also includes releasing pressure on your spinal cord. The aim is to improve your spinal stability, reduce pain, and enhance your overall mobility.

This service was performed 13 times for 13 patients

Spinal fusion

Spinal fusion is a surgical procedure aimed at connecting two or more vertebrae in your spine to reduce pain and improve stability. It involves using a bone graft to cause the vertebrae to grow together, limiting the movement between them. This procedure is often performed to treat conditions like herniated discs or spinal stenosis.

This service was performed for 101 patients

Physician Visit Costs



The typical physician office visit costs for Medicare beneficiaries in this area are: $26.12 for a new patient copayment and $21.22 for an established patient copayment.

The pricing information below displays the copayment minimum, maximum and average amount that patients under Medicare are charged when visiting this provider as a new or established patient. Please keep in mind that these prices are just for reference purposes, and the actual prices charged by the provider might be different.

For patients covered under private health plans the prices below are also useful as healthcare pricing for private insurance is usually established as a function of Medicare prices. Private insurance covered patients should check their individual plans to determine the exact pricing.

The prices below reflect the costs for new and established patients in the 94143 ZIP code area.

New Patients Visit Costs *

The most utilized procedure code for new patients office visits is 99203

  • Average New Patient Price $104.51
  • Minimum New Patient Price $69
  • Maximum New Patient Price $202.35
  • Average New Patient Copayment $26.12
  • Minimum New Patient Copayment $17.25
  • Maximum New Patient Copayment $50.58

Established Patients Visit Costs *

The most utilized procedure code for established patients office visits is 99213

  • Average Established Patient Price $84.91
  • Minimum Established Patient Price $23.44
  • Maximum Established Patient Price $166.46
  • Average Established Patient Copayment $21.22
  • Minimum Established Patient Copayment $5.86
  • Maximum Established Patient Copayment $41.61

* The physician office visit costs information is generated by statistical analysis of similar providers in the same geographical area. The pricing information above IS NOT the amount charged by this provider.

Overall MIPS Quality Performance

The provider participated in CMS Quality Payment Program under the Merit-based Incentive Payment System (MIPS) and has an overall final score of 75, based on four performance areas: quality, improvement activities, promoting interoperability, and cost. The purpose of this information is to help people with Medicare make informed decisions and incentivize doctors and clinicians to maximize performance.

The Merit-based Incentive Payment System (MIPS) is a way providers could use to participate in CMS Quality Payment Program (QPP). The MIPS program affects clinician reimbursement for Part B covered professional services and also rewards them for improving the quality of patient care and outcomes.

  • Final Score: 75 out of 100

    The MIPS program evaluates providers across multiple categories with a specific weight for each category resulting a in a MIPS final score that ranges from 0 to 100 points. The MIPS Final Score determines whether providers receive a negative, neutral or positive MIPS payment adjustment.

  • Quality Score: N/A

    The Quality category assesses providers performance on clinical practices and patient outcomes under the traditional MIPS program. The quality measures help identify the quality of healthcare processes, outcomes, and patient experiences. The Quality measure category compromises 40% providers final MPIS scores.

    There are six collection types for MIPS quality measures: Electronic Clinical Quality Measures (eCQMs), MIPS Clinical Quality Measures (CQMs), Qualified Clinical Data Registry (QCDR) Measures, Medicare Part B claims measures, CMS Web Interface measures and The Consumer Assessment of Healthcare Providers and Systems (CAHPS) for MIPS Survey.

  • Promoting Interoperability Score: N/A

    The Interoperability category measures the providers ability to use technology to exchange and make use of healthcare information in a way that is less burdensome and improves outcomes. The Interoperability measure category compromises 25% providers final MPIS scores.

    The MIPS Interoperability measure focuses on the use of certified electronic health record technology (CEHRT) to improve patient access health information, the exchange of information between clinicians and pharmacies and the systematic collection, analysis, and interpretation of healthcare data.

  • Improvement Activities Score: N/A

    The Improvement Activities performance category evaluates the providers participation in clinical activities that support the improvement of clinical practice, care delivery, and outcomes. Providers have the option to choose 2 to 4 activities from an inventory of over 100 improvement activities. Providers typically choose the activities that best fit their needs. The improvement activities measure category compromises 15% providers final MPIS scores.

    The Improvement measures aim to better patient engagement, patient safety and other areas of patient care. The Improvement Activities category compromises 15% of providers final MPIS scores.

  • Cost Score: N/A

    The Cost performance category asses the amount and types of services provided and how clinicians coordinate care and seek improvement of health outcomes by ensuring patients receive the appropriate services.

    Although providers don't determine the price of healthcare services they are important in delivering high-quality care at a reasonable cost. The Cost measures category compromises 20% of providers final MPIS scores.

  • Cost Score: N/A

    The Cost performance category asses the amount and types of services provided and how clinicians coordinate care and seek improvement of health outcomes by ensuring patients receive the appropriate services.

    Although providers don't determine the price of healthcare services they are important in delivering high-quality care at a reasonable cost. The Cost measures category compromises 20% of providers final MPIS scores.

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NPI NPI Number Validation

How NPI Validation Works

The NPI validation process uses the ISO-standard Luhn algorithm, a mathematical "handshake", to ensure that a provider's 10-digit ID is authentic and free of common typing errors.

To verify the NPI 1649565771, we treat the final digit (1) as the Check Digit—the target answer we need to reach. The process begins by taking the first nine digits and adding a constant value of 24, which accounts for the "80840" prefix required for all U.S. health identifiers. We then double every other digit starting from the right and sum the individual digits of those results together. For this specific NPI, that total comes to 69. The final step is to find the difference between that total and the next multiple of ten (70 - 69 = 1).

Digit-by-digit view

Use the first nine digits for the calculation. Starting from the right, double every other digit. The last digit is the check digit and is not part of the calculation.

Pos 1
1
Doubled → 2
Pos 2
6
Unchanged
Pos 3
4
Doubled → 8
Pos 4
9
Unchanged
Pos 5
5
Doubled → 10 → 1 + 0
Pos 6
6
Unchanged
Pos 7
5
Doubled → 10 → 1 + 0
Pos 8
7
Unchanged
Pos 9
7
Doubled → 14 → 1 + 4
Check
1
Target digit
Regular digit Doubled digit Check digit

Step 1: Double every other digit from the right

Starting with the rightmost digit of the first nine digits, double every other value. If doubling creates a two-digit number, add those digits together.

1 → 2 4 → 8 5 → 10 → 1 5 → 10 → 1 7 → 14 → 5

Step 2: Add all digits plus the NPI constant

Add the transformed values, the unchanged digits, and the constant 24.

2 + 6 + 8 + 9 + 1 + 0 + 6 + 1 + 0 + 7 + 1 + 4 + 24 = 69

Step 3: Find the amount needed to reach the next multiple of 10

The next multiple of ten after 69 is 70. The difference is the calculated check digit.

70 - 69 = 1
This NPI is valid
The calculated check digit is 1, which matches the last digit of 1649565771.

Other Providers at the Same Location


The following 20 providers are registered at the same or a nearby location.

Neurological Surgery
500 PARNASSUS AVE, 8TH FLOOR
SAN FRANCISCO, CA 94143
Pediatrics
500 PARNASSUS AVE
SAN FRANCISCO, CA 94143
Internal Medicine
500 PARNASSUS AVE, MUH-005 BOX 0722
SAN FRANCISCO, CA 94143
Pediatrics
500 PARNASSUS AVE
SAN FRANCISCO, CA 94143
Nurse Practitioner (Pediatrics)
500 PARNASSUS AVE
SAN FRANCISCO, CA 94143
Pediatrics
500 PARNASSUS AVE
SAN FRANCISCO, CA 94143
Registered Nurse (Critical Care Medicine)
500 PARNASSUS AVE, MU 4TH FLOOR EAST TOWER
SAN FRANCISCO, CA 94143
Physician Assistant (Surgical)
500 PARNASSUS AVE, MU WEST, MU-405, BOX 0118
SAN FRANCISCO, CA 94143
Psychiatry & Neurology (Psychiatry)
500 PARNASSUS AVE, MU, H-005, BOX 0722
SAN FRANCISCO, CA 94143
Psychiatry & Neurology (Psychiatry)
500 PARNASSUS AVE, ROOM MU-H005
SAN FRANCISCO, CA 94143
Orthopaedic Surgery
500 PARNASSUS AVE, BOX 0728
SAN FRANCISCO, CA 94143
Orthopaedic Surgery
500 PARNASSUS AVE, MU320-WEST
SAN FRANCISCO, CA 94143
Internal Medicine
500 PARNASSUS AVE, MU-H005
SAN FRANCISCO, CA 94143
Nurse Practitioner (Family)
500 PARNASSUS AVE, MU-H005
SAN FRANCISCO, CA 94143
Special Hospital
500 PARNASSUS AVE
SAN FRANCISCO, CA 94143
Nurse Practitioner
500 PARNASSUS AVE, MU EAST, ROOM 437
SAN FRANCISCO, CA 94143
Pediatrics (Pediatric Gastroenterology)
500 PARNASSUS AVE, MU4E
SAN FRANCISCO, CA 94143
Thoracic Surgery (Cardiothoracic Vascular Surgery)
500 PARNASSUS AVE, MU-405 W, BOX 0118
SAN FRANCISCO, CA 94143
Student in an Organized Health Care Education/Training Program
500 PARNASSUS AVE
SAN FRANCISCO, CA 94143
Occupational Therapist (Feeding, Eating & Swallowing)
500 PARNASSUS AVE, I LEVEL RM. MU-09
SAN FRANCISCO, CA 94143

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1649565771, enumerated as an "individual" on June 16, 2011.

The provider is located at 500 PARNASSUS AVE MU320 SAN FRANCISCO, CA 94143 and the phone number is (415) 353-8203.

Orthopaedic Surgery with taxonomy code 207X00000X.