SPRING FERTILITY
NPI 1902275407
Obstetrics & Gynecology - Reproductive Endocrinology in San Francisco, CA

NPI Status: Active since September 15, 2015

Contact Information

1 DANIEL BURNHAM CT
SUITE 110C
SAN FRANCISCO, CA
ZIP 94109
Phone: (415) 200-6259

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  • Organization
  • Obstetrics & Gynecology
  • Reproductive Endocrinology
  • CLIA Number: 05D2110794
  • CLIA Cert. Type: Physician Office
  • CLIA Exp. Date: 08-23-2026

About SPRING FERTILITY

This page provides the complete NPI Profile along with additional information for Spring Fertility, a women's health care provider established in San Francisco, California operating as a Obstetrics & Gynecology, focusing in reproductive endocrinology . The healthcare provider is registered in the NPI registry with number 1902275407 assigned on September 2015. The practitioner's primary taxonomy code is 207VE0102X with license number A91127 (CA). The provider is registered as an organization and their NPI record was last updated 11 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 provider's is doing business as Spring Fertility. The authorized official of this NPI record is Peter Klatsky Md (Director)

NPI
1902275407
Provider Legal Name
PETER CHARLES KLATSKY, M.D. INC
Other Organization Name
SPRING FERTILITY
Other Name Type
Doing Business As (3)
Entity Type
Organization
Location Address
1 DANIEL BURNHAM CT SUITE 110C SAN FRANCISCO, CA 94109
Location Phone
(415) 200-6259
Mailing Address
1 DANIEL BURNHAM CT SUITE 110C SAN FRANCISCO, CA 94109
Is Sole Proprietor?
No
Is Organization Subpart?
No
Enumeration Date
09-15-2015
Last Update Date
09-15-2015
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Women's health care providers like Spring Fertility 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 Reproductive Endocrinology

Taxonomy Code
207VE0102X
Type
Allopathic & Osteopathic Physicians
License No.
A91127
License State
CA
Taxonomy Description
An obstetrician/gynecologist who is capable of managing complex problems relating to reproductive endocrinology and infertility.

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

PETER KLATSKY MD

Authorized Official Title
DIRECTOR
Authorized Official Phone
(415) 200-6259

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
05D2110794
Facility Type
Physician Office
Certificate Effective Date
August 24, 2024
Certificate Expiration Date
August 23, 2026
Laboratory Director
DR. NAM D. TRAN
Certificate Type
Certificate of Accreditation
Certificate Type Description
This is a CLIA certificate is issued to Spring Fertility on the basis of the laboratory's accreditation by an accreditation organization approved by CMS. This type of certificate is issued to a laboratories tha perform nonwaived (moderate and/or high complexity) testing.

Reviews for SPRING FERTILITY

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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 1902275407, 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 53. The final step is to find the difference between that total and the next multiple of ten (60 - 53 = 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
9
Unchanged
Pos 3
0
Doubled → 0
Pos 4
2
Unchanged
Pos 5
2
Doubled → 4
Pos 6
7
Unchanged
Pos 7
5
Doubled → 10 → 1 + 0
Pos 8
4
Unchanged
Pos 9
0
Doubled → 0
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 0 → 0 2 → 4 5 → 10 → 1 0 → 0

Step 2: Add all digits plus the NPI constant

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

2 + 9 + 0 + 2 + 4 + 7 + 1 + 0 + 4 + 0 + 24 = 53

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

The next multiple of ten after 53 is 60. The difference is the calculated check digit.

60 - 53 = 7
This NPI is valid
The calculated check digit is 7, which matches the last digit of 1902275407.

Other Providers at the Same Location


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

Medical Genetics (Clinical Genetics (M.D.))
1 DANIEL BURNHAM CT, SUITE 230C
SAN FRANCISCO, CA 94109
Home Health
1 DANIEL BURNHAM CT, SUITE 307C
SAN FRANCISCO, CA 94109
Medical Genetics (Clinical Genetics (M.D.))
1 DANIEL BURNHAM CT, SUITE 230C
SAN FRANCISCO, CA 94109
Specialist
1 DANIEL BURNHAM CT, SUITE 365C
SAN FRANCISCO, CA 94109
Specialist
1 DANIEL BURNHAM CT, SUITE 365C
SAN FRANCISCO, CA 94109
Psychologist (Forensic)
1 DANIEL BURNHAM CT, SUITE 365C
SAN FRANCISCO, CA 94109
Specialist
1 DANIEL BURNHAM CT, SUITE 365C
SAN FRANCISCO, CA 94109
Physician Assistant
1 DANIEL BURNHAM CT, #365C
SAN FRANCISCO, CA 94109
Legal Medicine
1 DANIEL BURNHAM CT, SUITE 365C
SAN FRANCISCO, CA 94109
Plastic Surgery (Plastic Surgery Within the Head and Neck)
1 DANIEL BURNHAM CT, SUITE 368C
SAN FRANCISCO, CA 94109
Dentist
1 DANIEL BURNHAM CT, STE 305C
SAN FRANCISCO, CA 94109
Ophthalmology
1 DANIEL BURNHAM CT, SUITE 170-C
SAN FRANCISCO, CA 94109
Dentist (General Practice)
1 DANIEL BURNHAM CT, SUITE 390-C
SAN FRANCISCO, CA 94109
Orthopaedic Surgery
1 DANIEL BURNHAM CT, SUITE 365C --RENBAUM MEDICAL GROUP
SAN FRANCISCO, CA 94109
Internal Medicine
1 DANIEL BURNHAM CT, SUITE 370C
SAN FRANCISCO, CA 94109
Psychologist (Clinical)
1 DANIEL BURNHAM CT, WMP, SUITE 370-C
SAN FRANCISCO, CA 94109
Orthopaedic Surgery (Orthopaedic Surgery of the Spine)
1 DANIEL BURNHAM CT, SUITE # 388C
SAN FRANCISCO, CA 94109
Dietitian, Registered
1 DANIEL BURNHAM CT, SUITE 230C
SAN FRANCISCO, CA 94109
Occupational Therapist
1 DANIEL BURNHAM CT, SUITE 365C
SAN FRANCISCO, CA 94109
Internal Medicine
1 DANIEL BURNHAM CT, SUITE 370C
SAN FRANCISCO, CA 94109

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1902275407, enumerated as an "organization" on September 15, 2015.

The provider is located at 1 DANIEL BURNHAM CT SUITE 110C SAN FRANCISCO, CA 94109 and the phone number is (415) 200-6259.

Obstetrics & Gynecology with taxonomy code 207VE0102X and a focus in Reproductive Endocrinology.