VLADISLAVA RYVKIN MS, SLP
NPI 1740564384
Speech-Language Pathologist in San Francisco, CA

NPI Status: Active since September 30, 2011

Contact Information

2299 POST ST
SUITE # 307
SAN FRANCISCO, CA
ZIP 94115
Phone: (415) 310-8611
Fax: (415) 661-3490

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  • Individual
  • Female
  • Speech-Language Pathologist

About VLADISLAVA RYVKIN

This page provides the complete NPI Profile along with additional information for Vladislava Ryvkin, a provider established in San Francisco, California with a medical specialization in Speech-language Pathologist. The healthcare provider is registered in the NPI registry with number 1740564384 assigned on September 2011. The practitioner's primary taxonomy code is 235Z00000X with license number 13768 (CA). The provider is registered as an individual and her NPI record was last updated 15 years ago.

NPI
1740564384
Provider Name
VLADISLAVA RYVKIN MS, SLP
Gender
Female
Entity Type
Individual
Location Address
2299 POST ST SUITE # 307 SAN FRANCISCO, CA 94115
Location Phone
(415) 310-8611
Location Fax
(415) 661-3490
Mailing Address
2299 POST ST SUITE # 307 SAN FRANCISCO, CA 94115
Mailing Phone
(415) 310-8611
Mailing Fax
(415) 661-3490
Is Sole Proprietor?
Yes
Enumeration Date
09-30-2011
Last Update Date
09-30-2011
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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

Speech-Language Pathologist

Taxonomy Code
235Z00000X
Type
Speech, Language and Hearing Service Providers
License No.
13768
License State
CA
Taxonomy Description
The speech-language pathologist is the professional who engages in clinical services, prevention, advocacy, education, administration, and research in the areas of communication and swallowing across the life span from infancy through geriatrics. Speech-language pathologists address typical and atypical impairments and disorders related to communication and swallowing in the areas of speech sound production, resonance, voice, fluency, language (comprehension and expression), cognition, and feeding and swallowing.

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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 1740564384, we treat the final digit (4) 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 66. The final step is to find the difference between that total and the next multiple of ten (70 - 66 = 4).

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
7
Unchanged
Pos 3
4
Doubled → 8
Pos 4
0
Unchanged
Pos 5
5
Doubled → 10 → 1 + 0
Pos 6
6
Unchanged
Pos 7
4
Doubled → 8
Pos 8
3
Unchanged
Pos 9
8
Doubled → 16 → 1 + 6
Check
4
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 4 → 8 5 → 10 → 1 4 → 8 8 → 16 → 7

Step 2: Add all digits plus the NPI constant

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

2 + 7 + 8 + 0 + 1 + 0 + 6 + 8 + 3 + 1 + 6 + 24 = 66

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

The next multiple of ten after 66 is 70. The difference is the calculated check digit.

70 - 66 = 4
This NPI is valid
The calculated check digit is 4, which matches the last digit of 1740564384.

Other Providers at the Same Location


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

Psychiatry & Neurology (Neurology)
2299 POST ST, SUITE 102
SAN FRANCISCO, CA 94115
Psychiatry & Neurology (Neurology)
2299 POST ST, SUITE 206
SAN FRANCISCO, CA 94115
Marriage & Family Therapist
2299 POST ST, SUITE 211
SAN FRANCISCO, CA 94115
Orthopaedic Surgery
2299 POST ST, STE 107
SAN FRANCISCO, CA 94115
Psychiatry & Neurology (Neurology)
2299 POST ST, SUITE #206
SAN FRANCISCO, CA 94115
Orthopaedic Surgery
2299 POST ST, #107
SAN FRANCISCO, CA 94115
Internal Medicine
2299 POST ST, STE 205
SAN FRANCISCO, CA 94115
Dentist (General Practice)
2299 POST ST, SUITE 101
SAN FRANCISCO, CA 94115
Internal Medicine
2299 POST ST, SUITE 303
SAN FRANCISCO, CA 94115
Internal Medicine (Nephrology)
2299 POST ST, #203
SAN FRANCISCO, CA 94115
Internal Medicine
2299 POST ST, SUITE # 203
SAN FRANCISCO, CA 94115
Dentist (Prosthodontics)
2299 POST ST, SUITE 302
SAN FRANCISCO, CA 94115
Physician Assistant (Surgical)
2299 POST ST, SUITE 107
SAN FRANCISCO, CA 94115
Orthopaedic Surgery
2299 POST ST, SUITE 107
SAN FRANCISCO, CA 94115
Orthopaedic Surgery
2299 POST ST, SUITE 103
SAN FRANCISCO, CA 94115
Anesthesiology (Pain Medicine)
2299 POST ST, SUITE 205
SAN FRANCISCO, CA 94115
Clinic/Center (Medical Specialty)
2299 POST ST, SUITE 207
SAN FRANCISCO, CA 94115
Clinic/Center (Radiology)
2299 POST ST, SUITE 103
SAN FRANCISCO, CA 94115
Marriage & Family Therapist
2299 POST ST, SUITE 211
SAN FRANCISCO, CA 94115
Family Medicine
2299 POST ST, SUITE 201
SAN FRANCISCO, CA 94115

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1740564384, enumerated as an "individual" on September 30, 2011.

The provider is located at 2299 POST ST SUITE # 307 SAN FRANCISCO, CA 94115 and the phone number is (415) 310-8611.

Speech-Language Pathologist with taxonomy code 235Z00000X.