DR. MARCUS A CONANT MD
NPI 1013927128
Clinic/Center - Medical Specialty in San Francisco, CA

NPI Status: Active since August 09, 2006

Contact Information

470 CASTRO ST
SUITE #204
SAN FRANCISCO, CA
ZIP 94114
Phone: (415) 575-7001
Fax: (415) 255-0799

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  • Individual
  • Male
  • Clinic/Center
  • Medical Specialty

About MARCUS CONANT

This page provides the complete NPI Profile along with additional information for Marcus Conant, a provider established in San Francisco, California with a medical specialization in Clinic/center, focusing in medical specialty . The healthcare provider is registered in the NPI registry with number 1013927128 assigned on August 2006. The practitioner's primary taxonomy code is 261QM2500X with license number C27910 (CA). The provider is registered as an individual and his NPI record was last updated 19 years ago.

NPI
1013927128
Provider Name
DR. MARCUS A CONANT MD
Gender
Male
Entity Type
Individual
Location Address
470 CASTRO ST SUITE #204 SAN FRANCISCO, CA 94114
Location Phone
(415) 575-7001
Location Fax
(415) 255-0799
Mailing Address
470 CASTRO ST SUITE #204 SAN FRANCISCO, CA 94114
Mailing Phone
(415) 575-7500
Mailing Fax
(415) 255-0799
Is Sole Proprietor?
Yes
Enumeration Date
08-09-2006
Last Update Date
07-08-2007
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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

Clinic/Center Medical Specialty

Taxonomy Code
261QM2500X
Type
Ambulatory Health Care Facilities
License No.
C27910
License State
CA
Taxonomy Description
An entity, facility, or distinct part of a facility providing diagnostic, treatment, and prescriptive services related to a specific area of medical specialization. Frequently used for Title V related Children's Specialty services or to meet specific public health needs (e.g., infectious diseases or breast and cervical cancer).

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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 1013927128, we treat the final digit (8) 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 52. The final step is to find the difference between that total and the next multiple of ten (60 - 52 = 8).

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
0
Unchanged
Pos 3
1
Doubled → 2
Pos 4
3
Unchanged
Pos 5
9
Doubled → 18 → 1 + 8
Pos 6
2
Unchanged
Pos 7
7
Doubled → 14 → 1 + 4
Pos 8
1
Unchanged
Pos 9
2
Doubled → 4
Check
8
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 1 → 2 9 → 18 → 9 7 → 14 → 5 2 → 4

Step 2: Add all digits plus the NPI constant

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

2 + 0 + 2 + 3 + 1 + 8 + 2 + 1 + 4 + 1 + 4 + 24 = 52

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

The next multiple of ten after 52 is 60. The difference is the calculated check digit.

60 - 52 = 8
This NPI is valid
The calculated check digit is 8, which matches the last digit of 1013927128.

Other Providers at the Same Location


The following 12 providers are registered at the same or a nearby location.

Physician Assistant (Medical)
470 CASTRO ST, SUITE 202
SAN FRANCISCO, CA 94114
Specialist
470 CASTRO ST, SUITE 202
SAN FRANCISCO, CA 94114
Nurse Practitioner (Primary Care)
470 CASTRO ST
SAN FRANCISCO, CA 94114
Social Worker (Clinical)
470 CASTRO ST
SAN FRANCISCO, CA 94114
Marriage & Family Therapist
470 CASTRO ST
SAN FRANCISCO, CA 94114
Nurse Practitioner
470 CASTRO ST
SAN FRANCISCO, CA 94114
Counselor (Professional)
470 CASTRO ST
SAN FRANCISCO, CA 94114
Nurse Practitioner (Family)
470 CASTRO ST
SAN FRANCISCO, CA 94114
Clinic/Center (Primary Care)
470 CASTRO ST
SAN FRANCISCO, CA 94114
Nurse Practitioner (Family)
470 CASTRO ST
SAN FRANCISCO, CA 94114
Community/Behavioral Health
470 CASTRO ST
SAN FRANCISCO, CA 94114
Pharmacy (Community/Retail Pharmacy)
470 CASTRO ST
SAN FRANCISCO, CA 94114

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1013927128, enumerated as an "individual" on August 09, 2006.

The provider is located at 470 CASTRO ST SUITE #204 SAN FRANCISCO, CA 94114 and the phone number is (415) 575-7001.

Clinic/Center with taxonomy code 261QM2500X and a focus in Medical Specialty.