ANNA SOKALSKA MD, PHD
NPI 1881954436
Obstetrics & Gynecology - Reproductive Endocrinology in Mountain View, CA

NPI Status: Active since May 16, 2012

Contact Information

2500 HOSPITAL DR BLDG 7
MOUNTAIN VIEW, CA
ZIP 94040
Phone: (650) 325-6682
Fax: (650) 968-6682

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  • Individual
  • Female
  • Obstetrics & Gynecology
  • Reproductive Endocrinology

About ANNA SOKALSKA

This page provides the complete NPI Profile along with additional information for Anna Sokalska, a women's health care provider established in Mountain View, California with a medical specialization in Obstetrics & Gynecology, focusing in reproductive endocrinology . The healthcare provider is registered in the NPI registry with number 1881954436 assigned on May 2012. The practitioner's primary taxonomy code is 207VE0102X with license number A162312 (CA). The provider is registered as an individual and her NPI record was last updated June 2026.

NPI
1881954436
Provider Name
ANNA SOKALSKA MD, PHD
Gender
Female
Entity Type
Individual
Location Address
2500 HOSPITAL DR BLDG 7 MOUNTAIN VIEW, CA 94040
Location Phone
(650) 325-6682
Location Fax
(650) 968-6682
Mailing Address
2500 HOSPITAL DR BLDG 7 MOUNTAIN VIEW, CA 94040
Mailing Phone
(650) 325-6682
Mailing Fax
(650) 968-6682
Is Sole Proprietor?
No
Enumeration Date
05-16-2012
Last Update Date
06-18-2026
Code Navigator

Women's health care providers like Anna Sokalska 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.

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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

Obstetrics & Gynecology Reproductive Endocrinology

Taxonomy Code
207VE0102X
Type
Allopathic & Osteopathic Physicians
License No.
A162312
License State
CA
Taxonomy Description
An obstetrician/gynecologist who is capable of managing complex problems relating to reproductive endocrinology and infertility.

Secondary Taxonomies

The provider has reported to the NPI enumerator additional taxonomy codes. Multiple taxonomy codes may represent subspecialties or other areas of specialization the provider maybe licensed to practice.

No. Taxonomy Code Type Classification /
Specialization
License No. (State)
1207V00000XAllopathic & Osteopathic Physicians

Obstetrics & Gynecology

A162312 (CA)

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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 1881954436, we treat the final digit (6) 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 74. The final step is to find the difference between that total and the next multiple of ten (80 - 74 = 6).

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
8
Unchanged
Pos 3
8
Doubled → 16 → 1 + 6
Pos 4
1
Unchanged
Pos 5
9
Doubled → 18 → 1 + 8
Pos 6
5
Unchanged
Pos 7
4
Doubled → 8
Pos 8
4
Unchanged
Pos 9
3
Doubled → 6
Check
6
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 8 → 16 → 7 9 → 18 → 9 4 → 8 3 → 6

Step 2: Add all digits plus the NPI constant

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

2 + 8 + 1 + 6 + 1 + 1 + 8 + 5 + 8 + 4 + 6 + 24 = 74

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

The next multiple of ten after 74 is 80. The difference is the calculated check digit.

80 - 74 = 6
This NPI is valid
The calculated check digit is 6, which matches the last digit of 1881954436.

Other Providers at the Same Location


The following 1 provider is registered at the same or a nearby location.

Obstetrics & Gynecology (Reproductive Endocrinology)
2500 HOSPITAL DR BLDG 7
MOUNTAIN VIEW, CA 94040

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1881954436, enumerated as an "individual" on May 16, 2012.

The provider is located at 2500 HOSPITAL DR BLDG 7 MOUNTAIN VIEW, CA 94040 and the phone number is (650) 325-6682.

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