MS. KATHERINE DIANE KNUDSON MFT
NPI 1609946896
Counselor in San Francisco, CA

NPI Status: Active since November 08, 2006

Contact Information

582 MARKET ST
SUITE 410
SAN FRANCISCO, CA
ZIP 94104
Phone: (415) 982-2636
Fax: (415) 982-2480

Get Directions Write a Review

  • Individual
  • Female
  • Counselor
  • Opted-Out Medicare

About KATHERINE KNUDSON

This page provides the complete NPI Profile along with additional information for Katherine Knudson, a provider established in San Francisco, California with a medical specialization in Counselor. The healthcare provider is registered in the NPI registry with number 1609946896 assigned on November 2006. The practitioner's primary taxonomy code is 101Y00000X with license number MFC38737 (CA). The provider is registered as an individual and her NPI record was last updated 19 years ago.

NPI
1609946896
Provider Name
MS. KATHERINE DIANE KNUDSON MFT
Gender
Female
Entity Type
Individual
Location Address
582 MARKET ST SUITE 410 SAN FRANCISCO, CA 94104
Location Phone
(415) 982-2636
Location Fax
(415) 982-2480
Mailing Address
582 MARKET ST SUITE 410 SAN FRANCISCO, CA 94104
Mailing Phone
(415) 982-2636
Mailing Fax
(415) 982-2480
Is Sole Proprietor?
Yes
Enumeration Date
11-08-2006
Last Update Date
07-08-2007
Code Navigator



The provider doesn't accept Medicare and has signed an affidavit to be excluded from the Medicare program. If you are a Medicare beneficiary this means a provider can charge whatever they want for services rendered but must follow certain rules to do so. Katherine Knudson opted out of Medicare effective on 01-01-2024 until 01-01-2026. Opt out periods last for two years and cannot be terminated unless the provider is opting out for the very first time and the affidavit is terminated no later than 90 days after the opt out effective date. Opt-out affidavits might renew automatically renew every two years. The provider opted out of Medicare and cannot order and refer services to other healthcare providers.

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

Counselor

Taxonomy Code
101Y00000X
Type
Behavioral Health & Social Service Providers
License No.
MFC38737
License State
CA
Taxonomy Description
A provider who is trained and educated in the performance of behavior health services through interpersonal communications and analysis. Training and education at the specialty level usually requires a master's degree and clinical experience and supervision for licensure or certification.

Medicare Participation & PECOS Enrollment Status

What is PECOS?
PECOS is the online Medicare enrollment management system or Provider, Enrollment, Chain and Ownership System. The PECOS system is a database of providers who have registered with CMS as providers or suppliers. PECOS is the primary source of information about verified Medicare professionals. Providers that want to participate in this program need to enroll in PECOS with their NPI number to avoid denied claims.

  • Opted-Out of Medicare? Yes

  • Opt-Out Effective Date: 01-01-2024

  • Opt-Out End Date: 01-01-2026

  • Eligible to Order and Refer? No

Reviews for MS. KATHERINE DIANE KNUDSON MFT

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 1609946896, 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
6
Unchanged
Pos 3
0
Doubled → 0
Pos 4
9
Unchanged
Pos 5
9
Doubled → 18 → 1 + 8
Pos 6
4
Unchanged
Pos 7
6
Doubled → 12 → 1 + 2
Pos 8
8
Unchanged
Pos 9
9
Doubled → 18 → 1 + 8
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 0 → 0 9 → 18 → 9 6 → 12 → 3 9 → 18 → 9

Step 2: Add all digits plus the NPI constant

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

2 + 6 + 0 + 9 + 1 + 8 + 4 + 1 + 2 + 8 + 1 + 8 + 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 1609946896.

Other Providers at the Same Location


The following 19 providers are registered at the same or a nearby location.

Marriage & Family Therapist
582 MARKET ST, SUITE 716
SAN FRANCISCO, CA 94104
Marriage & Family Therapist
582 MARKET ST, SUITE 1604
SAN FRANCISCO, CA 94104
Psychologist (Clinical)
582 MARKET ST, SUITE 1011
SAN FRANCISCO, CA 94104
Acupuncturist
582 MARKET ST, SUITE 618
SAN FRANCISCO, CA 94104
Chiropractor
582 MARKET ST, SUITE 100
SAN FRANCISCO, CA 94104
Psychologist (Clinical)
582 MARKET ST, SUITE 716
SAN FRANCISCO, CA 94104
Psychologist (Counseling)
582 MARKET ST, SUITE 410
SAN FRANCISCO, CA 94104
Psychologist (Clinical)
582 MARKET ST, SUITE 2004
SAN FRANCISCO, CA 94104
Marriage & Family Therapist
582 MARKET ST, SUITE 1010
SAN FRANCISCO, CA 94104
Marriage & Family Therapist
582 MARKET ST, SUITE 317-318
SAN FRANCISCO, CA 94104
Psychiatry & Neurology (Psychiatry)
582 MARKET ST, SUITE 812
SAN FRANCISCO, CA 94104
Psychologist
582 MARKET ST, SUITE 2005
SAN FRANCISCO, CA 94104
Psychologist (Clinical)
582 MARKET ST, SUITE 910
SAN FRANCISCO, CA 94104
Marriage & Family Therapist
582 MARKET ST, SUITE 1008
SAN FRANCISCO, CA 94104
Acupuncturist
582 MARKET ST, #612
SAN FRANCISCO, CA 94104
Psychiatry & Neurology (Psychiatry)
582 MARKET ST, 1605
SAN FRANCISCO, CA 94104
Marriage & Family Therapist
582 MARKET ST, SUITE 907
SAN FRANCISCO, CA 94104
Marriage & Family Therapist
582 MARKET ST, SUITE 1011
SAN FRANCISCO, CA 94104
Psychologist (Clinical)
582 MARKET ST, SUITE 408
SAN FRANCISCO, CA 94104

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1609946896, enumerated as an "individual" on November 08, 2006.

The provider is located at 582 MARKET ST SUITE 410 SAN FRANCISCO, CA 94104 and the phone number is (415) 982-2636.

Counselor with taxonomy code 101Y00000X.