OGNJEN (OGI) SOLAJA MD
NPI 1437839925
Surgery - Plastic and Reconstructive Surgery in San Francisco, CA

NPI Status: Active since July 20, 2023

Contact Information

45 CASTRO ST STE 121
SAN FRANCISCO, CA
ZIP 94114
Phone: (415) 565-6136

NPI Profile Information
Primary Taxonomy
Secondary Taxonomies
NPI Validation
Other Providers Same Location
Frequently Asked Questions

Individual
Male
Surgery
Plastic and Reconstructive Surgery

About OGNJEN (OGI) SOLAJA

This page provides the complete NPI Profile along with additional information for Ognjen (ogi) Solaja, a provider established in San Francisco, California with a medical specialization in Surgery, focusing in plastic and reconstructive surgery . The healthcare provider is registered in the NPI registry with number 1437839925 assigned on July 2023. The practitioner's primary taxonomy code is 2086S0122X with license number A187392 (CA). The provider is registered as an individual and his NPI record was last updated 3 years ago.

NPI: 1437839925
Provider Name: OGNJEN (OGI) SOLAJA MD
Gender: Male
Entity Type: Individual
Location Address: 45 CASTRO ST STE 121 SAN FRANCISCO, CA 94114
Location Phone: (415) 565-6136
Mailing Address: 45 CASTRO ST STE 121 SAN FRANCISCO, CA 94114
Is Sole Proprietor?: No
Enumeration Date: 07-20-2023
Last Update Date: 07-20-2023
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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: Surgery Plastic and Reconstructive Surgery
Taxonomy Code: 2086S0122X
Type: Allopathic & Osteopathic Physicians
License No.: A187392
License State: CA
Taxonomy Description: A surgeon who specializes in plastic and reconstructive surgery.

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)
1	208200000X	Allopathic & Osteopathic Physicians	Plastic Surgery	A187392 (CA)
2	2082S0105X	Allopathic & Osteopathic Physicians	Plastic Surgery Surgery of the Hand	A187392 (CA)

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 1437839925, 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 75. The final step is to find the difference between that total and the next multiple of ten (80 - 75 = 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

Doubled → 2

Pos 2

Unchanged

Pos 3

Doubled → 6

Pos 4

Unchanged

Pos 5

Doubled → 16 → 1 + 6

Pos 6

Unchanged

Pos 7

Doubled → 18 → 1 + 8

Pos 8

Unchanged

Pos 9

Doubled → 4

Check

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 3 → 6 8 → 16 → 7 9 → 18 → 9 2 → 4

Step 2: Add all digits plus the NPI constant

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

2 + 4 + 6 + 7 + 1 + 6 + 3 + 1 + 8 + 9 + 4 + 24 = 75

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

The next multiple of ten after 75 is 80. The difference is the calculated check digit.

80 - 75 = 5

This NPI is valid

The calculated check digit is 5, which matches the last digit of 1437839925.