PAUL A FITZGERALD MD
NPI 1023174877
Internal Medicine - Endocrinology, Diabetes & Metabolism in San Francisco, CA

NPI Status: Active since December 28, 2006

Contact Information

350 PARNASSUS AVE
SUITE 710
SAN FRANCISCO, CA
ZIP 94117
Phone: (415) 665-1136
Fax: (415) 665-8500

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  • Organization
  • Internal Medicine
  • Endocrinology, Diabetes & Metabolism

About PAUL A FITZGERALD MD

This page provides the complete NPI Profile along with additional information for Paul A Fitzgerald Md, an internist established in San Francisco, California operating as a Internal Medicine, focusing in endocrinology, diabetes & metabolism . The healthcare provider is registered in the NPI registry with number 1023174877 assigned on December 2006. The practitioner's primary taxonomy code is 207RE0101X with license number G31694 (CA). The provider is registered as an organization and their NPI record was last updated 6 years ago. The organization operates as a Single Specialty Group with one or more individual practitioners, all of who practice with the same area of specialization. The provider's other name is Paul A Fitzgerald Md. The authorized official of this NPI record is Dr. Paul A Fitzgerald Md (President)

NPI
1023174877
Provider Legal Name
PAUL A FITZGERALD MD INC
Other Organization Name
PAUL A FITZGERALD MD
Other Name Type
Other Name (5)
Entity Type
Organization
Location Address
350 PARNASSUS AVE SUITE 710 SAN FRANCISCO, CA 94117
Location Phone
(415) 665-1136
Location Fax
(415) 665-8500
Mailing Address
350 PARNASSUS AVENUE SUITE 710 SAN FRANCISCO, CA 94117
Mailing Phone
(415) 665-1136
Mailing Fax
(415) 665-8500
Is Sole Proprietor?
No
Is Organization Subpart?
No
Enumeration Date
12-28-2006
Last Update Date
08-22-2020
Code Navigator

An internist like Paul A Fitzgerald Md is a physician who has completed an internal medicine residency and is board-certified or board-eligible in an internist specialty. Internists are trained to care for adults of all ages for many different medical conditions. An internist typically monitors chronic physical conditions, identifies acute diseases, provides family planning, provides counseling about wellness and disease prevention, etc.

Location Map

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

Internal Medicine Endocrinology, Diabetes & Metabolism

Taxonomy Code
207RE0101X
Type
Allopathic & Osteopathic Physicians
License No.
G31694
License State
CA
Taxonomy Description
An internist who concentrates on disorders of the internal (endocrine) glands such as the thyroid and adrenal glands. This specialist also deals with disorders such as diabetes, metabolic and nutritional disorders, obesity, pituitary diseases and menstrual and sexual problems.

Group Taxonomy 193400000X SINGLE SPECIALTY GROUP

This provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.

Authorized Official

The authorized official is the designated individual with the legal authority to make changes to the provider’s official NPI record. For organizations, the authorized official must be a general partner, chairman of the board, CEO, CFO or a direct owner holding at least a 5 percent stake in the medical organization.

Authorized Official Name

DR. PAUL A FITZGERALD MD

Authorized Official Title
PRESIDENT
Authorized Official Phone
(415) 665-1136

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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 1023174877, we treat the final digit (7) 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 63. The final step is to find the difference between that total and the next multiple of ten (70 - 63 = 7).

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

Step 2: Add all digits plus the NPI constant

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

2 + 0 + 4 + 3 + 2 + 7 + 8 + 8 + 1 + 4 + 24 = 63

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

The next multiple of ten after 63 is 70. The difference is the calculated check digit.

70 - 63 = 7
This NPI is valid
The calculated check digit is 7, which matches the last digit of 1023174877.

Other Providers at the Same Location


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

Internal Medicine (Gastroenterology)
350 PARNASSUS AVE, SUITE 410
SAN FRANCISCO, CA 94117
Obstetrics & Gynecology
350 PARNASSUS AVE
SAN FRANCISCO, CA 94117
Internal Medicine (Gastroenterology)
350 PARNASSUS AVE, SUITE 900
SAN FRANCISCO, CA 94117
Internal Medicine
350 PARNASSUS AVE, SUITE 710
SAN FRANCISCO, CA 94117
Psychiatry & Neurology (Neurology)
350 PARNASSUS AVE, SUITE 706
SAN FRANCISCO, CA 94117
Clinical Neuropsychologist
350 PARNASSUS AVE, STE. 309
SAN FRANCISCO, CA 94117
Internal Medicine (Endocrinology, Diabetes & Metabolism)
350 PARNASSUS AVE, SUITE 707
SAN FRANCISCO, CA 94117
Internal Medicine (Endocrinology, Diabetes & Metabolism)
350 PARNASSUS AVE, SUITE 707
SAN FRANCISCO, CA 94117
Clinical Neuropsychologist
350 PARNASSUS AVE, SUITE 706
SAN FRANCISCO, CA 94117
Psychiatry & Neurology (Psychiatry)
350 PARNASSUS AVE, SUITE 909
SAN FRANCISCO, CA 94117
Psychiatry & Neurology (Psychiatry)
350 PARNASSUS AVE, SUITE 909
SAN FRANCISCO, CA 94117
Psychiatry & Neurology (Psychiatry)
350 PARNASSUS AVE, SUITE 309
SAN FRANCISCO, CA 94117
Dentist (General Practice)
350 PARNASSUS AVE, SUITE #403
SAN FRANCISCO, CA 94117
Psychiatry & Neurology (Psychiatry)
350 PARNASSUS AVE, SUITE 303
SAN FRANCISCO, CA 94117
Psychiatry & Neurology (Psychiatry)
350 PARNASSUS AVE, SUITE 909
SAN FRANCISCO, CA 94117
Psychologist
350 PARNASSUS AVE, SUITE 309
SAN FRANCISCO, CA 94117
Nurse Practitioner
350 PARNASSUS AVE, SUITE 410
SAN FRANCISCO, CA 94117
Specialist
350 PARNASSUS AVE, SUITE 707
SAN FRANCISCO, CA 94117
Genetic Counselor, MS
350 PARNASSUS AVE, SUITE 810
SAN FRANCISCO, CA 94117
Clinical Nurse Specialist (Adult Health)
350 PARNASSUS AVE, SUITE 404
SAN FRANCISCO, CA 94117

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1023174877, enumerated as an "organization" on December 28, 2006.

The provider is located at 350 PARNASSUS AVE SUITE 710 SAN FRANCISCO, CA 94117 and the phone number is (415) 665-1136.

Internal Medicine with taxonomy code 207RE0101X and a focus in Endocrinology, Diabetes & Metabolism.