TUAN MEDICAL CORPORATION
NPI 1215246160
Obstetrics & Gynecology in San Francisco, CA

NPI Status: Active since September 27, 2010

Contact Information

929 CLAY ST
SUITE 305
SAN FRANCISCO, CA
ZIP 94108
Phone: (415) 398-7178
Fax: (415) 398-5525

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  • Organization
  • Obstetrics & Gynecology
  • CLIA Number: 05D0941651
  • CLIA Cert. Type: Physician Office
  • CLIA Exp. Date: 02-26-2028

About TUAN MEDICAL CORPORATION

This page provides the complete NPI Profile along with additional information for Tuan Medical Corporation, a women's health care provider established in San Francisco, California operating as a Obstetrics & Gynecology. The healthcare provider is registered in the NPI registry with number 1215246160 assigned on September 2010. The practitioner's primary taxonomy code is 207V00000X with license number G80796 (CA). The provider is registered as an organization and their NPI record was last updated 16 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 Ms. Karen P. Tuan Md (President)

NPI
1215246160
Provider Name
TUAN MEDICAL CORPORATION
Entity Type
Organization
Location Address
929 CLAY ST SUITE 305 SAN FRANCISCO, CA 94108
Location Phone
(415) 398-7178
Location Fax
(415) 398-5525
Mailing Address
929 CLAY ST SUITE 305 SAN FRANCISCO, CA 94108
Mailing Phone
(415) 398-7178
Mailing Fax
(415) 398-5525
Is Sole Proprietor?
No
Is Organization Subpart?
No
Enumeration Date
09-27-2010
Last Update Date
09-27-2010
Code Navigator

Women's health care providers like Tuan Medical Corporation treat and diagnose diseases and conditions that affect a woman's physical and emotional health. Women's health professionals come from a variety of different specialties, including obstetrician/gynecologists, general surgeons, perinatologists, physician assistants, nurse practitioners or nurse midwives. A women's health provider might help you with family planning, breast care, pregnancy and child birth, osteoporosis, menopause, heart disease, 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

Obstetrics & Gynecology

Taxonomy Code
207V00000X
Type
Allopathic & Osteopathic Physicians
License No.
G80796
License State
CA
Taxonomy Description
An obstetrician/gynecologist possesses special knowledge, skills and professional capability in the medical and surgical care of the female reproductive system and associated disorders. This physician serves as a consultant to other physicians and as a primary physician for women.

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

MS. KAREN P. TUAN MD

Authorized Official Title
PRESIDENT
Authorized Official Phone
(415) 398-7178

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
05D0941651
Facility Type
Physician Office
Certificate Effective Date
February 27, 2026
Certificate Expiration Date
February 26, 2028
Laboratory Director
KAREN TUAN
Certificate Type
Certificate for Provider-Performed Microscopy Procedures (PPMP)
Certificate Type Description
This CLIA certificate is issued to Tuan Medical Corporation in which a physician, midlevel practitioner or dentist that performs specific microscopy procedures during the course of a patient's visit. A limited list of provider-performed microscopy procedures is included under this certificate type, which are categorized as moderate complexity testing.

Reviews for TUAN MEDICAL CORPORATION

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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 1215246160, we treat the final digit (0) 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 50. The final step is to find the difference between that total and the next multiple of ten (50 - 50 = 0).

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
2
Unchanged
Pos 3
1
Doubled → 2
Pos 4
5
Unchanged
Pos 5
2
Doubled → 4
Pos 6
4
Unchanged
Pos 7
6
Doubled → 12 → 1 + 2
Pos 8
1
Unchanged
Pos 9
6
Doubled → 12 → 1 + 2
Check
0
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 2 → 4 6 → 12 → 3 6 → 12 → 3

Step 2: Add all digits plus the NPI constant

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

2 + 2 + 2 + 5 + 4 + 4 + 1 + 2 + 1 + 1 + 2 + 24 = 50

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

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

50 - 50 = 0
This NPI is valid
The calculated check digit is 0, which matches the last digit of 1215246160.

Other Providers at the Same Location


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

Urology
929 CLAY ST, #505
SAN FRANCISCO, CA 94108
Dermatology
929 CLAY ST, SUITE 105
SAN FRANCISCO, CA 94108
Obstetrics & Gynecology
929 CLAY ST, SUITE 305
SAN FRANCISCO, CA 94108
Obstetrics & Gynecology
929 CLAY ST, 305
SAN FRANCISCO, CA 94108
Dentist (General Practice)
929 CLAY ST, SUITE 205
SAN FRANCISCO, CA 94108
Podiatrist
929 CLAY ST, SUITE 407
SAN FRANCISCO, CA 94108
Otolaryngology
929 CLAY ST, SUITE 501
SAN FRANCISCO, CA 94108
Ophthalmology
929 CLAY ST, STE 405
SAN FRANCISCO, CA 94108
Contractor
929 CLAY ST, SUITE 201
SAN FRANCISCO, CA 94108
Optometrist
929 CLAY ST, 203
SAN FRANCISCO, CA 94108
Ophthalmology
929 CLAY ST, SUITE 405
SAN FRANCISCO, CA 94108
Internal Medicine (Cardiovascular Disease)
929 CLAY ST, SUITE 303
SAN FRANCISCO, CA 94108
Urology
929 CLAY ST, SUITE 505
SAN FRANCISCO, CA 94108
Clinic/Center (Ophthalmologic Surgery)
929 CLAY ST, SUITE 503
SAN FRANCISCO, CA 94108
Obstetrics & Gynecology
929 CLAY ST, SUITE 305
SAN FRANCISCO, CA 94108
Clinic/Center (Primary Care)
929 CLAY ST, SUITE 201
SAN FRANCISCO, CA 94108
Nurse Practitioner (Adult Health)
929 CLAY ST, SUITE 303
SAN FRANCISCO, CA 94108
Otolaryngology
929 CLAY ST, SUITE 501
SAN FRANCISCO, CA 94108
Otolaryngology
929 CLAY ST, SUITE 501
SAN FRANCISCO, CA 94108
Ophthalmology
929 CLAY ST, SUITE 503
SAN FRANCISCO, CA 94108

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1215246160, enumerated as an "organization" on September 27, 2010.

The provider is located at 929 CLAY ST SUITE 305 SAN FRANCISCO, CA 94108 and the phone number is (415) 398-7178.

Obstetrics & Gynecology with taxonomy code 207V00000X.