DR. DOUGLAS J SHEFT MD
NPI 1922053974
Radiology - Diagnostic Radiology in San Francisco, CA

NPI Status: Active since May 24, 2006

Contact Information

900 HYDE ST
SAN FRANCISCO, CA
ZIP 94109
Phone: (410) 535-3639
Fax: (415) 353-6396

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  • Individual
  • Male
  • Radiology
  • Diagnostic Radiology

About DOUGLAS SHEFT

This page provides the complete NPI Profile along with additional information for Douglas Sheft, 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 1922053974 assigned on May 2006. The practitioner's primary taxonomy code is 2085R0202X with license number G11819 (CA). The provider is registered as an individual and his NPI record was last updated 18 years ago.

NPI
1922053974
Provider Name
DR. DOUGLAS J SHEFT MD
Gender
Male
Entity Type
Individual
Location Address
900 HYDE ST SAN FRANCISCO, CA 94109
Location Phone
(410) 535-3639
Location Fax
(415) 353-6396
Mailing Address
PO BOX 6102 NOVATO, CA 94948
Mailing Phone
(415) 884-3404
Mailing Fax
(415) 353-6396
Is Sole Proprietor?
No
Enumeration Date
05-24-2006
Last Update Date
03-07-2008
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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 Diagnostic Radiology

Taxonomy Code
2085R0202X
Type
Allopathic & Osteopathic Physicians
License No.
G11819
License State
CA
Taxonomy Description
A radiologist who utilizes x-ray, radionuclides, ultrasound and electromagnetic radiation to diagnose and treat disease.

Insurance Plans Accepted

According to publicly available information the provider might be accepting the following health plans from these health insurance companies:

Specific plan information not avaialable, please contact the provider to verify if your insurance plan is accepted.

Specific plan information not avaialable, please contact the provider to verify if your insurance plan is accepted.

*Please verify directly with this provider to make sure your insurance plan is currently accepted.

Additional Identifiers

The NPI Enumerator encourages providers to submit additional identifiers with their NPI application although the submission of this information is optional. The additional identifier(s) section includes other numbers or codes currently or formerly used as an identifier for the provider by other public healthcare entities. The identifiers may include UPIN, NSC, OSCAR, DEA, Medicaid State or PIN identification numbers.

Identifier Type / Code Identifier State Identifier Issuer
A38454MEDICARE UPIN (02) 
00G118190MEDICARE ID-TYPE UNSPECIFIED (04)CA 
00G118190MEDICAID (05)CA 

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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 1922053974, we treat the final digit (4) 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 66. The final step is to find the difference between that total and the next multiple of ten (70 - 66 = 4).

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

Step 2: Add all digits plus the NPI constant

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

2 + 9 + 4 + 2 + 0 + 5 + 6 + 9 + 1 + 4 + 24 = 66

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

The next multiple of ten after 66 is 70. The difference is the calculated check digit.

70 - 66 = 4
This NPI is valid
The calculated check digit is 4, which matches the last digit of 1922053974.

Other Providers at the Same Location


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

Emergency Medicine
900 HYDE ST
SAN FRANCISCO, CA 94109
Podiatrist
900 HYDE ST
SAN FRANCISCO, CA 94109
Internal Medicine
900 HYDE ST, SUITE 410
SAN FRANCISCO, CA 94109
Radiology (Diagnostic Radiology)
900 HYDE ST
SAN FRANCISCO, CA 94109
Anesthesiology
900 HYDE ST
SAN FRANCISCO, CA 94109
Anesthesiology
900 HYDE ST
SAN FRANCISCO, CA 94109
Anesthesiology
900 HYDE ST
SAN FRANCISCO, CA 94109
Radiology (Diagnostic Radiology)
900 HYDE ST
SAN FRANCISCO, CA 94109
Radiology (Diagnostic Radiology)
900 HYDE ST
SAN FRANCISCO, CA 94109
Radiology (Diagnostic Radiology)
900 HYDE ST
SAN FRANCISCO, CA 94109
Internal Medicine
900 HYDE ST
SAN FRANCISCO, CA 94109
Emergency Medicine
900 HYDE ST
SAN FRANCISCO, CA 94109
Emergency Medicine
900 HYDE ST
SAN FRANCISCO, CA 94109
Emergency Medicine
900 HYDE ST
SAN FRANCISCO, CA 94109
Emergency Medicine
900 HYDE ST
SAN FRANCISCO, CA 94109
Emergency Medicine
900 HYDE ST
SAN FRANCISCO, CA 94109
Emergency Medicine
900 HYDE ST
SAN FRANCISCO, CA 94109
Pathology (Anatomic Pathology & Clinical Pathology)
900 HYDE ST, ST FRANCIS HOSP PATH DEPT
SAN FRANCISCO, CA 94109
Podiatrist (Sports Medicine)
900 HYDE ST, CENTER FOR SPORTS MEDICINE
SAN FRANCISCO, CA 94109
Internal Medicine
900 HYDE ST
SAN FRANCISCO, CA 94109

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1922053974, enumerated as an "individual" on May 24, 2006.

The provider is located at 900 HYDE ST SAN FRANCISCO, CA 94109 and the phone number is (410) 535-3639.

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

The provider might be accepting Accepts: Medicare and Medicaid. Please consult your insurance carrier or call the provider to verify.