THOMAS C. SULLIVAN, M.D., INC.
NPI 1437185717
Colon & Rectal Surgery in San Diego, CA

NPI Status: Active since June 25, 2006

Contact Information

550 WASHINGTON ST
SUITE 821
SAN DIEGO, CA
ZIP 92103
Phone: (619) 686-4011
Fax: (619) 686-4041

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  • Organization
  • Colon & Rectal Surgery

About THOMAS C. SULLIVAN, M.D., INC.

This page provides the complete NPI Profile along with additional information for Thomas C. Sullivan, M.d., Inc., a provider established in San Diego, California operating as a Colon & Rectal Surgery. The healthcare provider is registered in the NPI registry with number 1437185717 assigned on June 2006. The practitioner's primary taxonomy code is 208C00000X with license number A41748 (CA). The provider is registered as an organization and their NPI record was last updated 6 years ago. The organization operates as a Single Specialty Group with one or more individual practitioners, all of who practice with the same area of specialization. The authorized official of this NPI record is Thomas C. Sullivan M.d. (President)

NPI
1437185717
Provider Name
THOMAS C. SULLIVAN, M.D., INC.
Entity Type
Organization
Location Address
550 WASHINGTON ST SUITE 821 SAN DIEGO, CA 92103
Location Phone
(619) 686-4011
Location Fax
(619) 686-4041
Mailing Address
550 WASHINGTON ST SUITE 821 SAN DIEGO, CA 92103
Mailing Phone
(619) 686-4011
Mailing Fax
(619) 686-4041
Is Sole Proprietor?
No
Is Organization Subpart?
No
Enumeration Date
06-25-2006
Last Update Date
08-22-2020
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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

Colon & Rectal Surgery

Taxonomy Code
208C00000X
Type
Allopathic & Osteopathic Physicians
License No.
A41748
License State
CA
Taxonomy Description
A colon and rectal surgeon is trained to diagnose and treat various diseases of the intestinal tract, colon, rectum, anal canal and perianal area by medical and surgical means. This specialist also deals with other organs and tissues (such as the liver, urinary and female reproductive system) involved with primary intestinal disease.

Group Taxonomy 193400000X SINGLE SPECIALTY GROUP

This provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.

Authorized Official

The authorized official is the designated individual with the legal authority to make changes to the provider’s official NPI record. For organizations, the authorized official must be a general partner, chairman of the board, CEO, CFO or a direct owner holding at least a 5 percent stake in the medical organization.

Authorized Official Name

THOMAS C. SULLIVAN M.D.

Authorized Official Title
PRESIDENT
Authorized Official Phone
(619) 686-4011

Reviews for THOMAS C. SULLIVAN, M.D., INC.

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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 1437185717, we treat the final digit (7) 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 63. The final step is to find the difference between that total and the next multiple of ten (70 - 63 = 7).

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
3
Doubled → 6
Pos 4
7
Unchanged
Pos 5
1
Doubled → 2
Pos 6
8
Unchanged
Pos 7
5
Doubled → 10 → 1 + 0
Pos 8
7
Unchanged
Pos 9
1
Doubled → 2
Check
7
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 1 → 2 5 → 10 → 1 1 → 2

Step 2: Add all digits plus the NPI constant

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

2 + 4 + 6 + 7 + 2 + 8 + 1 + 0 + 7 + 2 + 24 = 63

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

The next multiple of ten after 63 is 70. The difference is the calculated check digit.

70 - 63 = 7
This NPI is valid
The calculated check digit is 7, which matches the last digit of 1437185717.

Other Providers at the Same Location


The following 17 providers are registered at the same or a nearby location.

Internal Medicine
550 WASHINGTON ST, STE # 601
SAN DIEGO, CA 92103
Pediatrics
550 WASHINGTON ST, SUITE 300
SAN DIEGO, CA 92103
Pediatrics
550 WASHINGTON ST, STE 300
SAN DIEGO, CA 92103
Pediatrics
550 WASHINGTON ST, SUITE 300
SAN DIEGO, CA 92103
Pediatrics
550 WASHINGTON ST, SUITE 300
SAN DIEGO, CA 92103
Pediatrics
550 WASHINGTON ST, SUITE 300
SAN DIEGO, CA 92103
Physician Assistant
550 WASHINGTON ST
SAN DIEGO, CA 92103
Pediatrics
550 WASHINGTON ST, STE 300
SAN DIEGO, CA 92103
Nurse Practitioner (Community Health)
550 WASHINGTON ST, SUITE 601
SAN DIEGO, CA 92103
Surgery
550 WASHINGTON ST, SUITE 821
SAN DIEGO, CA 92103
Preventive Medicine (Occupational Medicine)
550 WASHINGTON ST, STE # 601
SAN DIEGO, CA 92103
Health Maintenance Organization
550 WASHINGTON ST, STE 300
SAN DIEGO, CA 92103
Colon & Rectal Surgery
550 WASHINGTON ST, SUITE 821
SAN DIEGO, CA 92103
Clinic/Center (Ambulatory Surgical)
550 WASHINGTON ST, SUITE 101
SAN DIEGO, CA 92103
Internal Medicine
550 WASHINGTON ST, SUITE 423
SAN DIEGO, CA 92103
Marriage & Family Therapist
550 WASHINGTON ST, STE 300
SAN DIEGO, CA 92103
Pediatrics (Pediatric Endocrinology)
550 WASHINGTON ST, STE #300
SAN DIEGO, CA 92103

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1437185717, enumerated as an "organization" on June 25, 2006.

The provider is located at 550 WASHINGTON ST SUITE 821 SAN DIEGO, CA 92103 and the phone number is (619) 686-4011.

Colon & Rectal Surgery with taxonomy code 208C00000X.