DR. BENJAMIN KRAMER MD
NPI 1730559600
Allergy & Immunology in San Francisco, CA

NPI Status: Active since October 04, 2015

Contact Information

750 VAN NESS AVE
PH1
SAN FRANCISCO, CA
ZIP 94102
Phone: (917) 822-2679

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  • Individual
  • Male
  • Allergy & Immunology

About BENJAMIN KRAMER

This page provides the complete NPI Profile along with additional information for Benjamin Kramer, a provider established in San Francisco, California with a medical specialization in Allergy & Immunology. The healthcare provider is registered in the NPI registry with number 1730559600 assigned on October 2015. The practitioner's primary taxonomy code is 207K00000X with license number G075558 (CA). The provider is registered as an individual and his NPI record was last updated 11 years ago.

NPI
1730559600
Provider Name
DR. BENJAMIN KRAMER MD
Gender
Male
Entity Type
Individual
Location Address
750 VAN NESS AVE PH1 SAN FRANCISCO, CA 94102
Location Phone
(917) 822-2679
Mailing Address
750 VAN NESS AVE PH1 SAN FRANCISCO, CA 94102
Mailing Phone
(917) 822-2679
Is Sole Proprietor?
Yes
Enumeration Date
10-04-2015
Last Update Date
10-04-2015
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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

Allergy & Immunology

Taxonomy Code
207K00000X
Type
Allopathic & Osteopathic Physicians
License No.
G075558
License State
CA
Taxonomy Description
An allergist-immunologist is trained in evaluation, physical and laboratory diagnosis, and management of disorders involving the immune system. Selected examples of such conditions include asthma, anaphylaxis, rhinitis, eczema, and adverse reactions to drugs, foods, and insect stings as well as immune deficiency diseases (both acquired and congenital), defects in host defense, and problems related to autoimmune disease, organ transplantation, or malignancies of the immune 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)
1207K00000XAllopathic & Osteopathic Physicians

Allergy & Immunology

158767 (NY)

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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 1730559600, we treat the final digit (0) 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 60. The final step is to find the difference between that total and the next multiple of ten (60 - 60 = 0).

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

Step 2: Add all digits plus the NPI constant

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

2 + 7 + 6 + 0 + 1 + 0 + 5 + 1 + 8 + 6 + 0 + 24 = 60

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

The next multiple of ten after 60 is 60. The difference is the calculated check digit.

60 - 60 = 0
This NPI is valid
The calculated check digit is 0, which matches the last digit of 1730559600.

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1730559600, enumerated as an "individual" on October 04, 2015.

The provider is located at 750 VAN NESS AVE PH1 SAN FRANCISCO, CA 94102 and the phone number is (917) 822-2679.

Allergy & Immunology with taxonomy code 207K00000X.