MICHAEL MCGRATH M.D., PHD
NPI 1508399155
Internal Medicine - Hematology & Oncology in San Francisco, CA

NPI Status: Active since April 10, 2017

Contact Information

1001 POTRERO AVE RM 207
SAN FRANCISCO, CA
ZIP 94110
Phone: (415) 206-5268

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  • Individual
  • Male
  • Internal Medicine
  • Hematology & Oncology

About MICHAEL MCGRATH

This page provides the complete NPI Profile along with additional information for Michael Mcgrath, an internist established in San Francisco, California with a medical specialization in Internal Medicine, focusing in hematology & oncology . The healthcare provider is registered in the NPI registry with number 1508399155 assigned on April 2017. The practitioner's primary taxonomy code is 207RH0003X with license number G5051248 (CA). The provider is registered as an individual and his NPI record was last updated 9 years ago.

NPI
1508399155
Provider Name
MICHAEL MCGRATH M.D., PHD
Gender
Male
Entity Type
Individual
Location Address
1001 POTRERO AVE RM 207 SAN FRANCISCO, CA 94110
Location Phone
(415) 206-5268
Mailing Address
1001 POTRERO AVE RM 207 SAN FRANCISCO, CA 94110
Mailing Phone
(415) 206-5268
Is Sole Proprietor?
No
Enumeration Date
04-10-2017
Last Update Date
04-10-2017
Code Navigator

An internist like Michael Mcgrath 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.

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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 Hematology & Oncology

Taxonomy Code
207RH0003X
Type
Allopathic & Osteopathic Physicians
License No.
G5051248
License State
CA
Taxonomy Description
An internist doctor of osteopathy that specializes in the treatment of the combination of hematology and oncology disorders. A doctor of osteopathy that is board eligible/certified by the American Osteopathic Board of Internal Medicine WAS able to obtain a Certificate of Special Qualifications in the field of Hematology and Oncology. The Certificate is NO longer offered.

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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 1508399155, we treat the final digit (5) 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 65. The final step is to find the difference between that total and the next multiple of ten (70 - 65 = 5).

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
5
Unchanged
Pos 3
0
Doubled → 0
Pos 4
8
Unchanged
Pos 5
3
Doubled → 6
Pos 6
9
Unchanged
Pos 7
9
Doubled → 18 → 1 + 8
Pos 8
1
Unchanged
Pos 9
5
Doubled → 10 → 1 + 0
Check
5
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 0 → 0 3 → 6 9 → 18 → 9 5 → 10 → 1

Step 2: Add all digits plus the NPI constant

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

2 + 5 + 0 + 8 + 6 + 9 + 1 + 8 + 1 + 1 + 0 + 24 = 65

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

The next multiple of ten after 65 is 70. The difference is the calculated check digit.

70 - 65 = 5
This NPI is valid
The calculated check digit is 5, which matches the last digit of 1508399155.

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1508399155, enumerated as an "individual" on April 10, 2017.

The provider is located at 1001 POTRERO AVE RM 207 SAN FRANCISCO, CA 94110 and the phone number is (415) 206-5268.

Internal Medicine with taxonomy code 207RH0003X and a focus in Hematology & Oncology.