PACIFIC GYNECOLOGY & OBSTETRICS MEDICAL GROUP INC
NPI 1528005055
Obstetrics & Gynecology in San Francisco, CA

NPI Status: Active since June 01, 2006

Contact Information

2100 WEBSTER ST
STE 319
SAN FRANCISCO, CA
ZIP 94115
Phone: (415) 923-3123
Fax: (415) 923-3132

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  • Organization
  • Obstetrics & Gynecology
  • CLIA Number: 05D0723868
  • CLIA Cert. Type: Physician Office
  • CLIA Exp. Date: 08-31-2026

About PACIFIC GYNECOLOGY & OBSTETRICS MEDICAL GROUP INC

This page provides the complete NPI Profile along with additional information for Pacific Gynecology & Obstetrics Medical Group Inc, 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 1528005055 assigned on June 2006. The practitioner's primary taxonomy code is 207V00000X with license number G11319 (CA). The provider is registered as an organization and their NPI record was last updated 7 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. Ethel Cerda (Office Manager)

NPI
1528005055
Provider Name
PACIFIC GYNECOLOGY & OBSTETRICS MEDICAL GROUP INC
Entity Type
Organization
Location Address
2100 WEBSTER ST STE 319 SAN FRANCISCO, CA 94115
Location Phone
(415) 923-3123
Location Fax
(415) 923-3132
Mailing Address
2100 WEBSTER ST STE 319 SAN FRANCISCO, CA 94115
Mailing Phone
(415) 923-3123
Mailing Fax
(415) 923-3132
Is Sole Proprietor?
No
Is Organization Subpart?
No
Enumeration Date
06-01-2006
Last Update Date
03-01-2019
Code Navigator

Women's health care providers like Pacific Gynecology & Obstetrics Medical Group Inc 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.
G11319
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. ETHEL CERDA

Authorized Official Title
OFFICE MANAGER
Authorized Official Phone
(415) 923-3087

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
05D0723868
Facility Type
Physician Office
Certificate Effective Date
September 01, 2024
Certificate Expiration Date
August 31, 2026
Laboratory Director
REBECCA YEE, MD
Certificate Type
Certificate for Provider-Performed Microscopy Procedures (PPMP)
Certificate Type Description
This CLIA certificate is issued to Pacific Gynecology & Obstetrics Medical Group Inc 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 PACIFIC GYNECOLOGY & OBSTETRICS MEDICAL GROUP 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 1528005055, we treat the final digit (5) 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 45. The final step is to find the difference between that total and the next multiple of ten (50 - 45 = 5).

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

Step 2: Add all digits plus the NPI constant

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

2 + 5 + 4 + 8 + 0 + 0 + 1 + 0 + 0 + 1 + 0 + 24 = 45

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

The next multiple of ten after 45 is 50. The difference is the calculated check digit.

50 - 45 = 5
This NPI is valid
The calculated check digit is 5, which matches the last digit of 1528005055.

Other Providers at the Same Location


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

Podiatrist
2100 WEBSTER ST, STE 202
SAN FRANCISCO, CA 94115
Ophthalmology
2100 WEBSTER ST, SUITE 214
SAN FRANCISCO, CA 94115
Ophthalmology
2100 WEBSTER ST, SUITE 214
SAN FRANCISCO, CA 94115
Ophthalmology
2100 WEBSTER ST, SUITE 214
SAN FRANCISCO, CA 94115
Ophthalmology
2100 WEBSTER ST, SUITE 214
SAN FRANCISCO, CA 94115
Ophthalmology
2100 WEBSTER ST, SUITE 214
SAN FRANCISCO, CA 94115
Ophthalmology
2100 WEBSTER ST, SUITE 214
SAN FRANCISCO, CA 94115
Ophthalmology
2100 WEBSTER ST, SUITE 214
SAN FRANCISCO, CA 94115
Optometrist
2100 WEBSTER ST, SUITE 214
SAN FRANCISCO, CA 94115
Internal Medicine
2100 WEBSTER ST, STE 112
SAN FRANCISCO, CA 94115
Obstetrics & Gynecology
2100 WEBSTER ST, STE 319
SAN FRANCISCO, CA 94115
Obstetrics & Gynecology
2100 WEBSTER ST, SUITE 319
SAN FRANCISCO, CA 94115
Obstetrics & Gynecology
2100 WEBSTER ST, SUITE 319
SAN FRANCISCO, CA 94115
Internal Medicine (Medical Oncology)
2100 WEBSTER ST, SUITE 326
SAN FRANCISCO, CA 94115
Obstetrics & Gynecology
2100 WEBSTER ST, SUITE 319
SAN FRANCISCO, CA 94115
Specialist
2100 WEBSTER ST, SUITE#328
SAN FRANCISCO, CA 94115
Podiatrist (Foot & Ankle Surgery)
2100 WEBSTER ST, SUITE 407
SAN FRANCISCO, CA 94115
Dentist (Oral and Maxillofacial Surgery)
2100 WEBSTER ST, SUITE 303
SAN FRANCISCO, CA 94115
Orthopaedic Surgery
2100 WEBSTER ST, SUITE 518
SAN FRANCISCO, CA 94115
Clinical Neuropsychologist
2100 WEBSTER ST, STE 115
SAN FRANCISCO, CA 94115

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1528005055, enumerated as an "organization" on June 01, 2006.

The provider is located at 2100 WEBSTER ST STE 319 SAN FRANCISCO, CA 94115 and the phone number is (415) 923-3123.

Obstetrics & Gynecology with taxonomy code 207V00000X.