DR. SARAH CAITLIN RYAN MD
NPI 1942517701
Psychiatry & Neurology - Psychiatry in San Francisco, CA

NPI Status: Active since August 31, 2010

Contact Information

2323 SACRAMENTO ST
2ND FLOOR
SAN FRANCISCO, CA
ZIP 94115
Phone: (415) 600-5806
Fax: (415) 346-8713

Get Directions Write a Review

  • Individual
  • Female
  • Psychiatry & Neurology
  • Psychiatry

About SARAH RYAN

This page provides the complete NPI Profile along with additional information for Sarah Ryan, a provider established in San Francisco, California with a medical specialization in Psychiatry & Neurology, focusing in psychiatry . The healthcare provider is registered in the NPI registry with number 1942517701 assigned on August 2010. The practitioner's primary taxonomy code is 2084P0800X with license number A111476 (CA). The provider is registered as an individual and her NPI record was last updated 16 years ago.

NPI
1942517701
Provider Name
DR. SARAH CAITLIN RYAN MD
Gender
Female
Entity Type
Individual
Location Address
2323 SACRAMENTO ST 2ND FLOOR SAN FRANCISCO, CA 94115
Location Phone
(415) 600-5806
Location Fax
(415) 346-8713
Mailing Address
2323 SACRAMENTO ST 2ND FLOOR SAN FRANCISCO, CA 94115
Mailing Phone
(415) 600-5806
Mailing Fax
(415) 346-8713
Is Sole Proprietor?
Yes
Enumeration Date
08-31-2010
Last Update Date
08-31-2010
Code Navigator

A psychiatrist like Sarah Ryan are primary mental health physicians diagnose and treat mental illnesses through psychotherapy, psychoanalysis, hospitalization and medication. Psychiatrist help patients find solutions through changes in their behavioral patterns, explorations of experiences, group and family therapy.

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

Psychiatry & Neurology Psychiatry

Taxonomy Code
2084P0800X
Type
Allopathic & Osteopathic Physicians
License No.
A111476
License State
CA
Taxonomy Description
A Psychiatrist specializes in the prevention, diagnosis, and treatment of mental disorders, emotional disorders, psychotic disorders, mood disorders, anxiety disorders, substance-related disorders, sexual and gender identity disorders and adjustment disorders. Biologic, psychological, and social components of illnesses are explored and understood in treatment of the whole person. Tools used may include diagnostic laboratory tests, prescribed medications, evaluation and treatment of psychological and interpersonal problems with individuals and families, and intervention for coping with stress, crises, and other problems.

Reviews for DR. SARAH CAITLIN RYAN MD

There are currently no reviews for this provider. Be the first person to share your experience with this provider by filling out our review form. Your insights are appreciated and will help others make informed decisions.

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 1942517701, we treat the final digit (1) 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 59. The final step is to find the difference between that total and the next multiple of ten (60 - 59 = 1).

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
4
Doubled → 8
Pos 4
2
Unchanged
Pos 5
5
Doubled → 10 → 1 + 0
Pos 6
1
Unchanged
Pos 7
7
Doubled → 14 → 1 + 4
Pos 8
7
Unchanged
Pos 9
0
Doubled → 0
Check
1
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 7 → 14 → 5 0 → 0

Step 2: Add all digits plus the NPI constant

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

2 + 9 + 8 + 2 + 1 + 0 + 1 + 1 + 4 + 7 + 0 + 24 = 59

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

The next multiple of ten after 59 is 60. The difference is the calculated check digit.

60 - 59 = 1
This NPI is valid
The calculated check digit is 1, which matches the last digit of 1942517701.

Other Providers at the Same Location


The following 13 providers are registered at the same or a nearby location.

Psychiatry & Neurology (Psychiatry)
2323 SACRAMENTO ST, SUITE 210
SAN FRANCISCO, CA 94115
Psychiatry & Neurology (Psychiatry)
2323 SACRAMENTO ST, 2ND FLOOR
SAN FRANCISCO, CA 94115
Psychiatry & Neurology (Psychiatry)
2323 SACRAMENTO ST, 2ND FLOOR
SAN FRANCISCO, CA 94115
Psychologist
2323 SACRAMENTO ST, 2ND FLOOR
SAN FRANCISCO, CA 94115
Psychiatry & Neurology (Psychiatry)
2323 SACRAMENTO ST, 2ND FLOOR
SAN FRANCISCO, CA 94115
Psychiatry & Neurology (Psychiatry)
2323 SACRAMENTO ST
SAN FRANCISCO, CA 94115
Psychiatry & Neurology (Psychiatry)
2323 SACRAMENTO ST, OUTPATIENT CLINIC, 2ND FLOOR
SAN FRANCISCO, CA 94115
Psychiatry & Neurology (Psychiatry)
2323 SACRAMENTO ST, 2ND FLOOR
SAN FRANCISCO, CA 94115
Psychiatry & Neurology (Child & Adolescent Psychiatry)
2323 SACRAMENTO ST, 2ND FLOOR
SAN FRANCISCO, CA 94115
Psychiatry & Neurology (Psychiatry)
2323 SACRAMENTO ST, SECOND FLOOR
SAN FRANCISCO, CA 94115
Student in an Organized Health Care Education/Training Program
2323 SACRAMENTO ST
SAN FRANCISCO, CA 94115
Psychiatry & Neurology (Psychiatry)
2323 SACRAMENTO ST, SECOND FLOOR
SAN FRANCISCO, CA 94115
Psychiatry & Neurology (Psychiatry)
2323 SACRAMENTO ST, FLR 2
SAN FRANCISCO, CA 94115

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1942517701, enumerated as an "individual" on August 31, 2010.

The provider is located at 2323 SACRAMENTO ST 2ND FLOOR SAN FRANCISCO, CA 94115 and the phone number is (415) 600-5806.

Psychiatry & Neurology with taxonomy code 2084P0800X and a focus in Psychiatry.