DR. DAVID BENJAMIN SHULTZ M.D.
NPI 1396989711
Radiology - Radiation Oncology in Palo Alto, CA

NPI Status: Active since April 29, 2009

Contact Information

837 COWPER STREET
APARTMENT E
PALO ALTO, CA
ZIP 94301
Phone: (216) 513-3738

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  • Individual
  • Male
  • Radiology
  • Radiation Oncology

About DAVID SHULTZ

This page provides the complete NPI Profile along with additional information for David Shultz, a provider established in Palo Alto, California with a medical specialization in Radiology, focusing in radiation oncology . The healthcare provider is registered in the NPI registry with number 1396989711 assigned on April 2009. The practitioner's primary taxonomy code is 2085R0001X with license number A113364 (CA). The provider is registered as an individual and his NPI record was last updated 11 years ago.

NPI
1396989711
Provider Name
DR. DAVID BENJAMIN SHULTZ M.D.
Gender
Male
Entity Type
Individual
Location Address
837 COWPER STREET APARTMENT E PALO ALTO, CA 94301
Location Phone
(216) 513-3738
Mailing Address
837 COWPER STREET APARTMENT E PALO ALTO, CA 94301
Mailing Phone
(216) 513-3738
Is Sole Proprietor?
Yes
Enumeration Date
04-29-2009
Last Update Date
05-18-2015
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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

Radiology Radiation Oncology

Taxonomy Code
2085R0001X
Type
Allopathic & Osteopathic Physicians
License No.
A113364
License State
CA
Taxonomy Description
A radiologist who deals with the therapeutic applications of radiant energy and its modifiers and the study and management of disease, especially malignant tumors.

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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 1396989711, 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 79. The final step is to find the difference between that total and the next multiple of ten (80 - 79 = 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
3
Unchanged
Pos 3
9
Doubled → 18 → 1 + 8
Pos 4
6
Unchanged
Pos 5
9
Doubled → 18 → 1 + 8
Pos 6
8
Unchanged
Pos 7
9
Doubled → 18 → 1 + 8
Pos 8
7
Unchanged
Pos 9
1
Doubled → 2
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 9 → 18 → 9 9 → 18 → 9 9 → 18 → 9 1 → 2

Step 2: Add all digits plus the NPI constant

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

2 + 3 + 1 + 8 + 6 + 1 + 8 + 8 + 1 + 8 + 7 + 2 + 24 = 79

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

The next multiple of ten after 79 is 80. The difference is the calculated check digit.

80 - 79 = 1
This NPI is valid
The calculated check digit is 1, which matches the last digit of 1396989711.

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1396989711, enumerated as an "individual" on April 29, 2009.

The provider is located at 837 COWPER STREET APARTMENT E PALO ALTO, CA 94301 and the phone number is (216) 513-3738.

Radiology with taxonomy code 2085R0001X and a focus in Radiation Oncology.