DR. KATRINA ROUNDFIELD PHD
NPI 1952839334
Psychologist - Clinical in San Francisco, CA

NPI Status: Active since May 30, 2017

Contact Information

55 NEW MONTGOMERY ST
SAN FRANCISCO, CA
ZIP 94105
Phone: (510) 552-6102

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  • Individual
  • Female
  • Psychologist
  • Clinical

About KATRINA ROUNDFIELD

This page provides the complete NPI Profile along with additional information for Katrina Roundfield, a provider established in San Francisco, California with a medical specialization in Psychologist, focusing in clinical . The healthcare provider is registered in the NPI registry with number 1952839334 assigned on May 2017. The practitioner's primary taxonomy code is 103TC0700X with license number PSY29118 (CA). The provider is registered as an individual and her NPI record was last updated 9 years ago.

NPI
1952839334
Provider Name
DR. KATRINA ROUNDFIELD PHD
Gender
Female
Entity Type
Individual
Location Address
55 NEW MONTGOMERY ST SAN FRANCISCO, CA 94105
Location Phone
(510) 552-6102
Mailing Address
1 SAINT FRANCIS PL APT 4805 SAN FRANCISCO, CA 94107
Mailing Phone
(510) 552-6102
Is Sole Proprietor?
Yes
Enumeration Date
05-30-2017
Last Update Date
05-30-2017
Code Navigator

A clinical psychologist like Katrina Roundfield assesses, diagnoses, and treats mental, emotional, and behavioral disorders. Clinical psychologists help people deal with problems ranging from short-term personal issues to severe, chronic conditions. Clinical psychologists interview patients, give diagnostic tests, provide psychotherapy and design behavior modification programs to help patients.

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

Psychologist Clinical

Taxonomy Code
103TC0700X
Type
Behavioral Health & Social Service Providers
License No.
PSY29118
License State
CA
Taxonomy Description
A psychologist who provides continuing and comprehensive mental and behavioral health care for individuals and families; consultation to agencies and communities; training, education and supervision; and research-based practice. It is a specialty in breadth -- one that is broadly inclusive of severe psychopathology -- and marked by comprehensiveness and integration of knowledge and skill from a broad array of disciplines within and outside of psychology proper. The scope of clinical psychology encompasses all ages, multiple diversities and varied systems.

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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 1952839334, 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
9
Unchanged
Pos 3
5
Doubled → 10 → 1 + 0
Pos 4
2
Unchanged
Pos 5
8
Doubled → 16 → 1 + 6
Pos 6
3
Unchanged
Pos 7
9
Doubled → 18 → 1 + 8
Pos 8
3
Unchanged
Pos 9
3
Doubled → 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 5 → 10 → 1 8 → 16 → 7 9 → 18 → 9 3 → 6

Step 2: Add all digits plus the NPI constant

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

2 + 9 + 1 + 0 + 2 + 1 + 6 + 3 + 1 + 8 + 3 + 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 1952839334.

Other Providers at the Same Location


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

Chiropractor
55 NEW MONTGOMERY ST, MEZZANINE LEVEL
SAN FRANCISCO, CA 94105
Psychologist
55 NEW MONTGOMERY ST, SUITE 420
SAN FRANCISCO, CA 94105
Psychologist
55 NEW MONTGOMERY ST, SUITE 420
SAN FRANCISCO, CA 94105
Psychologist (Clinical)
55 NEW MONTGOMERY ST, SUITE 420
SAN FRANCISCO, CA 94105
Psychologist (Clinical)
55 NEW MONTGOMERY ST, SUITE 424
SAN FRANCISCO, CA 94105
Psychologist (Cognitive & Behavioral)
55 NEW MONTGOMERY ST, SUITE 725
SAN FRANCISCO, CA 94105
Marriage & Family Therapist
55 NEW MONTGOMERY ST, SUITE 420
SAN FRANCISCO, CA 94105
Social Worker (Clinical)
55 NEW MONTGOMERY ST, SUITE 507
SAN FRANCISCO, CA 94105
Psychologist
55 NEW MONTGOMERY ST, STE #420
SAN FRANCISCO, CA 94105
Marriage & Family Therapist
55 NEW MONTGOMERY ST, SUITE 804
SAN FRANCISCO, CA 94105
Marriage & Family Therapist
55 NEW MONTGOMERY ST, SUITE 316
SAN FRANCISCO, CA 94105
Psychologist (Clinical)
55 NEW MONTGOMERY ST, SUITE 506
SAN FRANCISCO, CA 94105
Psychologist (Clinical)
55 NEW MONTGOMERY ST, #506
SAN FRANCISCO, CA 94105
Psychologist (Clinical)
55 NEW MONTGOMERY ST, SUITE 512
SAN FRANCISCO, CA 94105
Psychologist
55 NEW MONTGOMERY ST, SUITE 512
SAN FRANCISCO, CA 94105
Marriage & Family Therapist
55 NEW MONTGOMERY ST, SUITE 303
SAN FRANCISCO, CA 94105
Chiropractor
55 NEW MONTGOMERY ST, #501
SAN FRANCISCO, CA 94105
Psychologist (Clinical)
55 NEW MONTGOMERY ST, STE 420
SAN FRANCISCO, CA 94105
Psychologist
55 NEW MONTGOMERY ST, STE 424
SAN FRANCISCO, CA 94105
Chiropractor
55 NEW MONTGOMERY ST, MEZZANINE LEVEL
SAN FRANCISCO, CA 94105

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1952839334, enumerated as an "individual" on May 30, 2017.

The provider is located at 55 NEW MONTGOMERY ST SAN FRANCISCO, CA 94105 and the phone number is (510) 552-6102.

Psychologist with taxonomy code 103TC0700X and a focus in Clinical.