GABRIELA GAYER MD
NPI 1447459532
Radiology - Diagnostic Radiology in San Francisco, CA

NPI Status: Active since July 17, 2007

Contact Information

505 PARNASSUS AVE # M391
SAN FRANCISCO, CA
ZIP 94143
Phone: (415) 476-1537

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  • Individual
  • Female
  • Radiology
  • Diagnostic Radiology
  • PECOS Enrolled

About GABRIELA GAYER

This page provides the complete NPI Profile along with additional information for Gabriela Gayer, a provider established in San Francisco, California with a medical specialization in Radiology, focusing in diagnostic radiology . The healthcare provider is registered in the NPI registry with number 1447459532 assigned on July 2007. The practitioner's primary taxonomy code is 2085R0202X with license number A124560 (CA). The provider is registered as an individual and her NPI record was last updated 3 years ago.

NPI
1447459532
Provider Name
GABRIELA GAYER MD
Gender
Female
Entity Type
Individual
Location Address
505 PARNASSUS AVE # M391 SAN FRANCISCO, CA 94143
Location Phone
(415) 476-1537
Mailing Address
914 VARIAN WAY PALO ALTO, CA 94304
Mailing Phone
(650) 430-8875
Is Sole Proprietor?
Yes
Enumeration Date
07-17-2007
Last Update Date
04-19-2023
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Location Map

Secondary Locations

  • 300 Pasteur Dr Rm S076 MC 5105
    Stanford, CA 94305
    (650) 725-0541

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

Radiology Diagnostic Radiology

Taxonomy Code
2085R0202X
Type
Allopathic & Osteopathic Physicians
License No.
A124560
License State
CA
Taxonomy Description
A radiologist who utilizes x-ray, radionuclides, ultrasound and electromagnetic radiation to diagnose and treat disease.

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)
12085B0100XAllopathic & Osteopathic Physicians

Radiology
Body Imaging

A124560 (CA)

Medicare Participation & PECOS Enrollment Status

Gabriela Gayer 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

  • 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.

Ct scan of abdomen and pelvis before and after contrast

A CT scan of your abdomen and pelvis with and without contrast helps visualize your internal organs better. Contrast is a special dye that improves the clarity of the images. It's taken orally or injected into your veins before the scan. The process is painless and quick.

This service was performed 24 times for 24 patients

Ct scan of abdomen and pelvis with contrast

A CT scan of the abdomen and pelvis with contrast is an imaging procedure. A special dye, called contrast, is used to make certain areas more visible. This can help identify issues such as infections, tumors, or other abnormalities. The procedure is painless and usually takes about 30 minutes.

This service was performed 148 times for 142 patients

Ct scan of abdomen and pelvis without contrast

A CT scan of the abdomen and pelvis is a non-invasive medical test. It uses special X-ray equipment to create detailed images of your abdominal and pelvic areas. This helps doctors examine organs, tissues, and vessels. No contrast dye is used in this procedure.

This service was performed 76 times for 72 patients

Ct scan of blood vessels of chest with contrast

A CT scan of the chest with contrast is a non-invasive imaging test. It uses X-rays and a special dye to get detailed images of your blood vessels in the chest. This helps in diagnosing conditions related to heart and lungs.

This service was performed 43 times for 43 patients

Ct scan of chest with contrast

A CT scan of the chest with contrast is an imaging procedure. A special dye (contrast) is used to highlight specific areas in your body, providing clearer pictures of your chest. This helps in diagnosing conditions related to your lungs, heart, and other chest structures.

This service was performed 68 times for 64 patients

Ct scan of chest without contrast

A CT scan of the chest without contrast is a non-invasive imaging procedure. It uses special X-ray equipment to produce detailed images of your chest area, including your lungs and heart. It can help diagnose conditions such as lung diseases or heart disorders. It doesn't involve any dyes or contrast agents.

This service was performed 59 times for 57 patients

Ultrasound study of one arm or leg veins with compression and maneuvers

This is a non-invasive procedure using sound waves to visualize veins in an arm or leg. It involves applying gentle pressure and performing certain movements. It helps identify any abnormal blood flow or clots, ensuring vascular health.

This service was performed 14 times for 14 patients

X-ray of abdomen, 1 view

An X-ray of the abdomen, 1 view, is a quick and painless imaging test. It uses a small amount of radiation to produce images of the structures in your abdomen, such as the stomach, liver, and intestines. This can help identify issues like blockages, infections, or injuries.

This service was performed 128 times for 92 patients

X-ray of chest, 1 view

A chest X-ray, 1 view, is a quick, painless test that produces images of the structures within your chest, such as your heart, lungs, and blood vessels. It helps in diagnosing conditions like pneumonia, heart problems, or lung cancer. You'll stand in front of a machine that emits X-rays, which pass through your body to create the image.

This service was performed 917 times for 598 patients

X-ray of chest, 2 views

A chest X-ray, 2 views, is a quick, painless test that creates pictures of the structures inside your chest, such as your heart, lungs, and blood vessels. Two different angles are used to get a comprehensive view. This helps in diagnosing conditions like pneumonia, heart problems, or lung cancer.

This service was performed 209 times for 199 patients

X-ray of chest, 2 views

A chest X-ray, 2 views, is a quick, painless test that creates pictures of the structures inside your chest, such as your heart, lungs, and blood vessels. Two different angles are used to get a comprehensive view. This helps in diagnosing conditions like pneumonia, heart problems, or lung cancer.

This service was performed 35 times for 34 patients

Physician Visit Costs

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.

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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 1447459532, we treat the final digit (2) 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 78. The final step is to find the difference between that total and the next multiple of ten (80 - 78 = 2).

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
4
Unchanged
Pos 3
4
Doubled → 8
Pos 4
7
Unchanged
Pos 5
4
Doubled → 8
Pos 6
5
Unchanged
Pos 7
9
Doubled → 18 → 1 + 8
Pos 8
5
Unchanged
Pos 9
3
Doubled → 6
Check
2
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 4 → 8 9 → 18 → 9 3 → 6

Step 2: Add all digits plus the NPI constant

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

2 + 4 + 8 + 7 + 8 + 5 + 1 + 8 + 5 + 6 + 24 = 78

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

The next multiple of ten after 78 is 80. The difference is the calculated check digit.

80 - 78 = 2
This NPI is valid
The calculated check digit is 2, which matches the last digit of 1447459532.

Other Providers at the Same Location


The following 18 providers are registered at the same or a nearby location.

Radiology (Neuroradiology)
505 PARNASSUS AVE # M391
SAN FRANCISCO, CA 94143
Radiology (Neuroradiology)
505 PARNASSUS AVE # M391
SAN FRANCISCO, CA 94143
Radiology (Diagnostic Radiology)
505 PARNASSUS AVE # M391
SAN FRANCISCO, CA 94143
Radiology (Vascular & Interventional Radiology)
505 PARNASSUS AVE # M391
SAN FRANCISCO, CA 94143
Radiology (Neuroradiology)
505 PARNASSUS AVE # M391
SAN FRANCISCO, CA 94143
Radiology (Diagnostic Radiology)
505 PARNASSUS AVE # M391
SAN FRANCISCO, CA 94143
Radiology (Diagnostic Radiology)
505 PARNASSUS AVE # M391
SAN FRANCISCO, CA 94143
Radiology (Vascular & Interventional Radiology)
505 PARNASSUS AVE # M391
SAN FRANCISCO, CA 94143
Radiology (Diagnostic Radiology)
505 PARNASSUS AVE # M391
SAN FRANCISCO, CA 94143
Radiology (Diagnostic Radiology)
505 PARNASSUS AVE # M391
SAN FRANCISCO, CA 94143
Radiology (Vascular & Interventional Radiology)
505 PARNASSUS AVE # M391
SAN FRANCISCO, CA 94143
Radiology (Neuroradiology)
505 PARNASSUS AVE # M391
SAN FRANCISCO, CA 94143
Radiology (Neuroradiology)
505 PARNASSUS AVE # M391
SAN FRANCISCO, CA 94143
Radiology (Neuroradiology)
505 PARNASSUS AVE # M391
SAN FRANCISCO, CA 94143
Radiology (Diagnostic Radiology)
505 PARNASSUS AVE # M391
SAN FRANCISCO, CA 94143
Radiology (Neuroradiology)
505 PARNASSUS AVE # M391
SAN FRANCISCO, CA 94143
Radiology (Diagnostic Radiology)
505 PARNASSUS AVE # M391
SAN FRANCISCO, CA 94143
Radiology (Neuroradiology)
505 PARNASSUS AVE # M391
SAN FRANCISCO, CA 94143

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1447459532, enumerated as an "individual" on July 17, 2007.

The provider is located at 505 PARNASSUS AVE # M391 SAN FRANCISCO, CA 94143 and the phone number is (415) 476-1537.

Radiology with taxonomy code 2085R0202X and a focus in Diagnostic Radiology.