DR. CHRISTOPHER IAN FLOWERS MD
NPI 1407025661
Radiology - Diagnostic Radiology in San Francisco, CA

NPI Status: Active since February 21, 2008

Contact Information

1600 DIVISADERO ST
RM 250, BOX 1667
SAN FRANCISCO, CA
ZIP 94115
Phone: (415) 885-7785

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  • Individual
  • Male
  • Radiology
  • Diagnostic Radiology

About CHRISTOPHER FLOWERS

This page provides the complete NPI Profile along with additional information for Christopher Flowers, 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 1407025661 assigned on February 2008. The practitioner's primary taxonomy code is 2085R0202X with license number F5441 (CA). The provider is registered as an individual and his NPI record was last updated 18 years ago.

NPI
1407025661
Provider Name
DR. CHRISTOPHER IAN FLOWERS MD
Gender
Male
Entity Type
Individual
Location Address
1600 DIVISADERO ST RM 250, BOX 1667 SAN FRANCISCO, CA 94115
Location Phone
(415) 885-7785
Mailing Address
1600 DIVISADERO ST RM 250, BOX 1667 SAN FRANCISCO, CA 94115
Mailing Phone
(415) 885-7785
Is Sole Proprietor?
No
Enumeration Date
02-21-2008
Last Update Date
02-21-2008
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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.
F5441
License State
CA
Taxonomy Description
A radiologist who utilizes x-ray, radionuclides, ultrasound and electromagnetic radiation to diagnose and treat disease.

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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 1407025661, 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 49. The final step is to find the difference between that total and the next multiple of ten (50 - 49 = 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
4
Unchanged
Pos 3
0
Doubled → 0
Pos 4
7
Unchanged
Pos 5
0
Doubled → 0
Pos 6
2
Unchanged
Pos 7
5
Doubled → 10 → 1 + 0
Pos 8
6
Unchanged
Pos 9
6
Doubled → 12 → 1 + 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 0 → 0 0 → 0 5 → 10 → 1 6 → 12 → 3

Step 2: Add all digits plus the NPI constant

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

2 + 4 + 0 + 7 + 0 + 2 + 1 + 0 + 6 + 1 + 2 + 24 = 49

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

The next multiple of ten after 49 is 50. The difference is the calculated check digit.

50 - 49 = 1
This NPI is valid
The calculated check digit is 1, which matches the last digit of 1407025661.

Other Providers at the Same Location


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

Internal Medicine (Medical Oncology)
1600 DIVISADERO ST, 2ND FLOOR, BOX 1710
SAN FRANCISCO, CA 94115
Internal Medicine (Medical Oncology)
1600 DIVISADERO ST, 2ND FLOOR, BOX 1710
SAN FRANCISCO, CA 94115
Surgery
1600 DIVISADERO ST
SAN FRANCISCO, CA 94115
Radiology (Diagnostic Radiology)
1600 DIVISADERO ST
SAN FRANCISCO, CA 94115
Internal Medicine
1600 DIVISADERO ST
SAN FRANCISCO, CA 94115
Internal Medicine
1600 DIVISADERO ST
SAN FRANCISCO, CA 94115
Orthopaedic Surgery
1600 DIVISADERO ST
SAN FRANCISCO, CA 94115
Internal Medicine
1600 DIVISADERO ST
SAN FRANCISCO, CA 94115
Radiology (Diagnostic Radiology)
1600 DIVISADERO ST
SAN FRANCISCO, CA 94115
Nurse Practitioner
1600 DIVISADERO ST
SAN FRANCISCO, CA 94115
Internal Medicine
1600 DIVISADERO ST
SAN FRANCISCO, CA 94115
Radiology (Diagnostic Radiology)
1600 DIVISADERO ST
SAN FRANCISCO, CA 94115
Radiology (Radiation Oncology)
1600 DIVISADERO ST
SAN FRANCISCO, CA 94115
Nurse Practitioner
1600 DIVISADERO ST
SAN FRANCISCO, CA 94115
Radiology (Radiation Oncology)
1600 DIVISADERO ST
SAN FRANCISCO, CA 94115
Radiology (Radiation Oncology)
1600 DIVISADERO ST
SAN FRANCISCO, CA 94115
Radiology (Therapeutic Radiology)
1600 DIVISADERO ST
SAN FRANCISCO, CA 94115
Nurse Practitioner
1600 DIVISADERO ST
SAN FRANCISCO, CA 94115
Registered Nurse
1600 DIVISADERO ST
SAN FRANCISCO, CA 94115
Nurse Practitioner
1600 DIVISADERO ST
SAN FRANCISCO, CA 94115

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1407025661, enumerated as an "individual" on February 21, 2008.

The provider is located at 1600 DIVISADERO ST RM 250, BOX 1667 SAN FRANCISCO, CA 94115 and the phone number is (415) 885-7785.

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