BENJAMIN N. WAN, M.D., INC
NPI 1093083701
Pediatrics in San Francisco, CA

NPI Status: Active since December 08, 2011

Contact Information

595 BUCKINGHAM WAY
SUITE 500
SAN FRANCISCO, CA
ZIP 94132
Phone: (415) 665-6100
Fax: (415) 665-6101

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  • Organization
  • Pediatrics
  • CLIA Number: 05D2035389
  • CLIA Cert. Type: Physician Office
  • CLIA Exp. Date: 01-16-2028

About BENJAMIN N. WAN, M.D., INC

This page provides the complete NPI Profile along with additional information for Benjamin N. Wan, M.d., Inc, a pediatrician established in San Francisco, California operating as a Pediatrics. The healthcare provider is registered in the NPI registry with number 1093083701 assigned on December 2011. The practitioner's primary taxonomy code is 208000000X with license number A92050 (CA). The provider is registered as an organization and their NPI record was last updated 15 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 Dr. Benjamin Wan M.d. (President)

NPI
1093083701
Provider Name
BENJAMIN N. WAN, M.D., INC
Entity Type
Organization
Location Address
595 BUCKINGHAM WAY SUITE 500 SAN FRANCISCO, CA 94132
Location Phone
(415) 665-6100
Location Fax
(415) 665-6101
Mailing Address
595 BUCKINGHAM WAY SUITE 500 SAN FRANCISCO, CA 94132
Mailing Phone
(415) 665-6100
Mailing Fax
(415) 665-6101
Is Sole Proprietor?
No
Is Organization Subpart?
No
Enumeration Date
12-08-2011
Last Update Date
12-08-2011
Code Navigator

A pediatrician like Benjamin N. Wan, M.d., Inc is a physician who has completed a pediatric residency and is board-certified or board-eligible in a pediatric specialty. Pediatric care providers are trained to care for newborns, infants, children and adolescents. A pediatrician could perform physical exams, manage vaccinations, monitor development milestones, diagnose illnesses, infections, injuries or other health problems, etc.

Location Map

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

Pediatrics

Taxonomy Code
208000000X
Type
Allopathic & Osteopathic Physicians
License No.
A92050
License State
CA
Taxonomy Description
A pediatrician is concerned with the physical, emotional and social health of children from birth to young adulthood. Care encompasses a broad spectrum of health services ranging from preventive healthcare to the diagnosis and treatment of acute and chronic diseases. A pediatrician deals with biological, social and environmental influences on the developing child, and with the impact of disease and dysfunction on development.

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

DR. BENJAMIN WAN M.D.

Authorized Official Title
PRESIDENT
Authorized Official Phone
(415) 665-6100

CLIA Information

The Clinical Laboratory Improvement Amendments (CLIA) of 1988 applies to facilities or sites that test human specimens for health assessment or to diagnose, prevent, or treat disease. The CLIA Program sets standards for clinical laboratory testing and issues certificates. The NPI / CLIA crosswalk information for this NPI number is:

CLIA Number
05D2035389
Facility Type
Physician Office
Certificate Effective Date
January 17, 2026
Certificate Expiration Date
January 16, 2028
Laboratory Director
BENJAMIN N. WAN
Certificate Type
Certificate of Waiver
Certificate Type Description
This CLIA certificate is issued to Benjamin N. Wan, M.d., Inc to perform only waived tests. CLIA defines waived tests as simple tests with a low risk for an incorrect result. Waived tests include certain tests listed in CLIA regulations, tests cleared by the FDA for home use and tests approved by the FDA for waived status and that meet CLIA waiver criteria.

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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 1093083701, 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 59. The final step is to find the difference between that total and the next multiple of ten (60 - 59 = 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
0
Unchanged
Pos 3
9
Doubled → 18 → 1 + 8
Pos 4
3
Unchanged
Pos 5
0
Doubled → 0
Pos 6
8
Unchanged
Pos 7
3
Doubled → 6
Pos 8
7
Unchanged
Pos 9
0
Doubled → 0
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 0 → 0 3 → 6 0 → 0

Step 2: Add all digits plus the NPI constant

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

2 + 0 + 1 + 8 + 3 + 0 + 8 + 6 + 7 + 0 + 24 = 59

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

The next multiple of ten after 59 is 60. The difference is the calculated check digit.

60 - 59 = 1
This NPI is valid
The calculated check digit is 1, which matches the last digit of 1093083701.

Other Providers at the Same Location


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

Specialist
595 BUCKINGHAM WAY, SUITE 430
SAN FRANCISCO, CA 94132
Dentist (General Practice)
595 BUCKINGHAM WAY, 320
SAN FRANCISCO, CA 94132
Dentist (Periodontics)
595 BUCKINGHAM WAY, SUITE 320
SAN FRANCISCO, CA 94132
Podiatrist
595 BUCKINGHAM WAY, STE 330
SAN FRANCISCO, CA 94132
Dentist
595 BUCKINGHAM WAY, SUITE 505
SAN FRANCISCO, CA 94132
Audiologist-Hearing Aid Fitter
595 BUCKINGHAM WAY, SUITE 437
SAN FRANCISCO, CA 94132
Dentist
595 BUCKINGHAM WAY, SUITE 540
SAN FRANCISCO, CA 94132
Dentist (General Practice)
595 BUCKINGHAM WAY, SUITE 334
SAN FRANCISCO, CA 94132
Podiatrist
595 BUCKINGHAM WAY, SUITE 330
SAN FRANCISCO, CA 94132
Dentist
595 BUCKINGHAM WAY, #444
SAN FRANCISCO, CA 94132
Dentist (General Practice)
595 BUCKINGHAM WAY, SUITE 230
SAN FRANCISCO, CA 94132
Pediatrics
595 BUCKINGHAM WAY, #355
SAN FRANCISCO, CA 94132
Pediatrics
595 BUCKINGHAM WAY, SUITE 355
SAN FRANCISCO, CA 94132
Dentist (General Practice)
595 BUCKINGHAM WAY, SUITE 331
SAN FRANCISCO, CA 94132
Dermatology
595 BUCKINGHAM WAY, SUITE #404
SAN FRANCISCO, CA 94132
Dentist
595 BUCKINGHAM WAY, #400
SAN FRANCISCO, CA 94132
Dentist (General Practice)
595 BUCKINGHAM WAY, SUITE 425
SAN FRANCISCO, CA 94132
Dentist (General Practice)
595 BUCKINGHAM WAY, SUITE 545
SAN FRANCISCO, CA 94132
Dentist (General Practice)
595 BUCKINGHAM WAY, SUITE 407
SAN FRANCISCO, CA 94132
Dentist
595 BUCKINGHAM WAY, SUITE 525
SAN FRANCISCO, CA 94132

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1093083701, enumerated as an "organization" on December 08, 2011.

The provider is located at 595 BUCKINGHAM WAY SUITE 500 SAN FRANCISCO, CA 94132 and the phone number is (415) 665-6100.

Pediatrics with taxonomy code 208000000X.