LUCRETIA MOLZAHN LAC
NPI 1821815671
Counselor - Mental Health in Phoenix, AZ

NPI Status: Active since September 23, 2024

Contact Information

750 E THUNDERBIRD RD STE 1-3
PHOENIX, AZ
ZIP 85022
Phone: (602) 230-7373
Fax: (602) 218-6383

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  • Individual
  • Female
  • Counselor
  • Mental Health

About LUCRETIA MOLZAHN

This page provides the complete NPI Profile along with additional information for Lucretia Molzahn, a provider established in Phoenix, Arizona with a medical specialization in Counselor, focusing in mental health . The healthcare provider is registered in the NPI registry with number 1821815671 assigned on September 2024. The practitioner's primary taxonomy code is 101YM0800X with license number LAC-23114 (AZ). The provider is registered as an individual and her NPI record was last updated one year ago.

NPI
1821815671
Provider Name
LUCRETIA MOLZAHN LAC
Gender
Female
Entity Type
Individual
Location Address
750 E THUNDERBIRD RD STE 1-3 PHOENIX, AZ 85022
Location Phone
(602) 230-7373
Location Fax
(602) 218-6383
Mailing Address
3101 N CENTRAL AVE STE 550 PHOENIX, AZ 85012
Mailing Phone
(602) 230-7373
Mailing Fax
(602) 218-6383
Is Sole Proprietor?
Yes
Enumeration Date
09-23-2024
Last Update Date
10-21-2025
Code Navigator

A mental health counselor like Lucretia Molzahn provides treatment to individuals, families, couples, and groups for mental and emotional health issues and relationship problems. Mental health counselors treat clients with a variety of conditions, including anxiety, depression, grief, low self-esteem, stress, and suicidal impulses.

Location Map

Secondary Locations

  • 2120 W Guadalupe Rd Ste 6
    Mesa, AZ 85202
    (602) 230-7373
  • 1025 Clearwater Ct
    Lake Havasu City, AZ 86406
    (928) 208-7145

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 Mental Health

Taxonomy Code
101YM0800X
Type
Behavioral Health & Social Service Providers
License No.
LAC-23114
License State
AZ

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)
1101Y00000XBehavioral Health & Social Service Providers

Counselor

LAC-23114 (AZ)

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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 1821815671, 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
8
Unchanged
Pos 3
2
Doubled → 4
Pos 4
1
Unchanged
Pos 5
8
Doubled → 16 → 1 + 6
Pos 6
1
Unchanged
Pos 7
5
Doubled → 10 → 1 + 0
Pos 8
6
Unchanged
Pos 9
7
Doubled → 14 → 1 + 4
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 2 → 4 8 → 16 → 7 5 → 10 → 1 7 → 14 → 5

Step 2: Add all digits plus the NPI constant

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

2 + 8 + 4 + 1 + 1 + 6 + 1 + 1 + 0 + 6 + 1 + 4 + 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 1821815671.

Other Providers at the Same Location


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

Nurse Practitioner (Family)
750 E THUNDERBIRD RD STE 1-3
PHOENIX, AZ 85022
Nurse Practitioner (Psychiatric/Mental Health)
750 E THUNDERBIRD RD STE 1-3
PHOENIX, AZ 85022
Counselor (Professional)
750 E THUNDERBIRD RD STE 1-3
PHOENIX, AZ 85022
Counselor (Professional)
750 E THUNDERBIRD RD STE 1-3
PHOENIX, AZ 85022
Family Medicine
750 E THUNDERBIRD RD STE 1-3
PHOENIX, AZ 85022
Physician Assistant (Medical)
750 E THUNDERBIRD RD STE 1-3
PHOENIX, AZ 85022
Psychiatry & Neurology (Psychiatry)
750 E THUNDERBIRD RD STE 1-3
PHOENIX, AZ 85022
Family Medicine
750 E THUNDERBIRD RD STE 1-3
PHOENIX, AZ 85022
Counselor (Professional)
750 E THUNDERBIRD RD STE 1-3
PHOENIX, AZ 85022
Counselor (Professional)
750 E THUNDERBIRD RD STE 1-3
PHOENIX, AZ 85022
Counselor
750 E THUNDERBIRD RD STE 1-3
PHOENIX, AZ 85022
Nurse Practitioner (Family)
750 E THUNDERBIRD RD STE 1-3
PHOENIX, AZ 85022
Counselor (Professional)
750 E THUNDERBIRD RD STE 1-3
PHOENIX, AZ 85022
Counselor (Professional)
750 E THUNDERBIRD RD STE 1-3
PHOENIX, AZ 85022
Physician Assistant (Medical)
750 E THUNDERBIRD RD STE 1-3
PHOENIX, AZ 85022
Counselor (Professional)
750 E THUNDERBIRD RD STE 1-3
PHOENIX, AZ 85022
Counselor (Professional)
750 E THUNDERBIRD RD STE 1-3
PHOENIX, AZ 85022
Counselor (Professional)
750 E THUNDERBIRD RD STE 1-3
PHOENIX, AZ 85022
Nurse Practitioner (Psychiatric/Mental Health)
750 E THUNDERBIRD RD STE 1-3
PHOENIX, AZ 85022
Nurse Practitioner (Psychiatric/Mental Health)
750 E THUNDERBIRD RD STE 1-3
PHOENIX, AZ 85022

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1821815671, enumerated as an "individual" on September 23, 2024.

The provider is located at 750 E THUNDERBIRD RD STE 1-3 PHOENIX, AZ 85022 and the phone number is (602) 230-7373.

Counselor with taxonomy code 101YM0800X and a focus in Mental Health.