Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 30 days.

CRYSTAL CLARK PHD
NPI 1619614195
Counselor - Professional in Denton, TX

Active since May 17, 2022
306 N LOOP 288 STE 123, DENTON, TX 76209(469) 626-7511(469) 613-0883 Get Directions Write a Review

NPPES record last updated: July 7, 2026. Verified against the NPPES registry weekly; last sync: July 19, 2026.

Record update history: Jul 7, 2026, May 17, 2022 (2 updates tracked since 2022).

  • Individual
  • Female
  • Counselor
  • Professional
  • Accepts Insurance

About CRYSTAL CLARK

This page provides the complete NPI Profile along with additional information for Crystal Clark, a provider established in Denton, Texas with a medical specialization in Counselor, focusing in professional . The healthcare provider is registered in the NPI registry with number 1619614195 assigned on May 2022. The practitioner's primary taxonomy code is 101YP2500X with license number 79203 (TX). The provider is registered as an individual and her NPI record was last updated July 2026.

NPI
1619614195
Provider Name
CRYSTAL CLARK PHD
Gender
Female
Entity Type
Individual
Location Address
306 N LOOP 288 STE 123 DENTON, TX 76209
Location Phone
(469) 626-7511
Location Fax
(469) 613-0883
Mailing Address
306 N LOOP 288 STE 123 DENTON, TX 76209
Mailing Phone
(469) 626-7511
Mailing Fax
(469) 613-0883
Is Sole Proprietor?
No
Enumeration Date
05-17-2022
Last Update Date
07-07-2026
Code Navigator

Location Map

Secondary Locations

  • 900 E Park Blvd Ste 280
    Plano, TX 75074
    (469) 626-7511

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 Professional

Taxonomy Code
101YP2500X
Type
Behavioral Health & Social Service Providers
License No.
79203
License State
TX

Insurance Plans Accepted

According to publicly available information the provider might be accepting the following health plans from these health insurance companies:

  • Blue Advantage Bronze HMO? 204 - HMO
  • Blue Advantage Bronze HMO? 301 - HMO
  • Blue Advantage Bronze HMO? Standard - HMO
  • Blue Advantage Gold HMO? 206 - HMO
  • Blue Advantage Gold HMO? 603 - HMO
  • Blue Advantage Gold HMO? Standard - HMO
  • Blue Advantage Plus Bronze? 303 - POS
  • Blue Advantage Plus Bronze? 305 - POS
  • Blue Advantage Plus Bronze? Standard - POS
  • Blue Advantage Plus Gold? 203 - POS
  • Blue Advantage Plus Gold? 803 - POS
  • Blue Advantage Plus Gold? Standard - POS
  • Blue Advantage Plus Silver? 202 - POS
  • Blue Advantage Plus Silver? 605 - POS
  • Blue Advantage Plus Silver? Standard - POS
  • Blue Advantage Security HMO? 200 - HMO
  • Blue Advantage Silver HMO? 205 - HMO
  • Blue Advantage Silver HMO? 801 - HMO
  • Blue Advantage Silver HMO? Standard - HMO
  • MyBlue Health Bronze? 402 - HMO
  • Bronze Classic 4700 - EPO
  • Bronze Classic Standard - EPO
  • Bronze Elite + PCP Saver Plus - EPO
  • Bronze Simple Breathe Easy with Enhanced COPD Benefits - EPO
  • Bronze Simple Chronic Care CKM - EPO
  • Bronze Simple Diabetes - EPO
  • Gold Classic - EPO
  • Gold Classic Guided Care - HMO
  • Gold Classic Standard - EPO
  • Gold Classic Standard Guided Care - HMO
  • Gold Elite - EPO
  • Gold Simple Diabetes Guided Care - HMO
  • Gold Simple Guided Care - HMO
  • Silver Classic - EPO
  • Silver Classic Standard - EPO
  • Silver Classic Standard Guided Care - HMO
  • Silver Simple Breathe Easy with Enhanced COPD Benefits Guided Care - HMO
  • Silver Simple Chronic Care CKM Guided Care - HMO
  • Silver Simple Diabetes Guided Care - HMO
  • Silver Simple Guided Care - HMO
  • UHC Bronze Copay Focus $0 Indiv Med Ded ($0 Virtual Urgent Care) - HMO
  • UHC Bronze Copay Focus $0 Indiv Med Ded ($0 Virtual Urgent Care, No Referrals) - HMO
  • UHC Bronze Essential ($0 Virtual Urgent Care) - HMO
  • UHC Bronze Essential (No Referrals) - HMO
  • UHC Bronze Standard - HMO
  • UHC Bronze Standard (No Referrals) - HMO
  • UHC Bronze Standard+ (Dental + Vision) - HMO
  • UHC Bronze Standard+ (Dental + Vision, No Referrals) - HMO
  • UHC Gold Advantage ($0 Virtual Urgent Care, $8 Tier 2 Rx) - HMO
  • UHC Gold Advantage ($0 Virtual Urgent Care, No Referrals) - HMO
  • UHC Gold Advantage+ ($0 Virtual Urgent Care, $8 Tier 2 Rx, Dental + Vision) - HMO
  • UHC Gold Advantage+ ($0 Virtual Urgent Care, Dental + Vision, No Referrals) - HMO
  • UHC Gold Copay Focus $0 Indiv Med Ded ($0 Virtual Urgent Care, $5 Tier 2 Rx, No Referrals) - HMO
  • UHC Gold Copay Focus $0 Indiv Med Ded ($0 Virtual Urgent Care, $8 Tier 2 Rx) - HMO
  • UHC Gold Copay Focus+ $0 Indiv Med Ded ($0 Virtual Urgent Care, $8 Tier 2 Rx, Dental + Vision) - HMO
  • UHC Gold Standard - HMO
  • UHC Gold Standard (No Referrals) - HMO
  • UHC Kelsey-Seybold Bronze Copay Focus $0 Indiv Med Ded - HMO
  • UHC Kelsey-Seybold Bronze Copay Focus+ $0 Indiv Med Ded (Dental + Vision) - HMO
  • UHC Kelsey-Seybold Gold Copay Focus $0 Indiv Med Ded ($8 Tier 2 Rx) - HMO

Specific plan information not avaialable, please contact the provider to verify if your insurance plan is accepted.

Specific plan information not avaialable, please contact the provider to verify if your insurance plan is accepted.

*Please verify directly with this provider to make sure your insurance plan is currently accepted.

Additional Identifiers

The NPI Enumerator encourages providers to submit additional identifiers with their NPI application although the submission of this information is optional. The additional identifier(s) section includes other numbers or codes currently or formerly used as an identifier for the provider by other public healthcare entities. The identifiers may include UPIN, NSC, OSCAR, DEA, Medicaid State or PIN identification numbers.

Identifier Type / Code Identifier State Identifier Issuer
79203OTHER (01)LICENSE - LPC

Reviews for CRYSTAL CLARK PHD

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 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 1619614195, we treat the final digit (5) 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 65. The final step is to find the difference between that total and the next multiple of ten (70 - 65 = 5).

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
1
Doubled → 2
Pos 4
9
Unchanged
Pos 5
6
Doubled → 12 → 1 + 2
Pos 6
1
Unchanged
Pos 7
4
Doubled → 8
Pos 8
1
Unchanged
Pos 9
9
Doubled → 18 → 1 + 8
Check
5
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 1 → 2 6 → 12 → 3 4 → 8 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 + 2 + 9 + 1 + 2 + 1 + 8 + 1 + 1 + 8 + 24 = 65

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

The next multiple of ten after 65 is 70. The difference is the calculated check digit.

70 - 65 = 5
This NPI is valid
The calculated check digit is 5, which matches the last digit of 1619614195.

Other Providers at the Same Location


The following 7 providers are registered at the same or a nearby location.

Student in an Organized Health Care Education/Training Program
306 N LOOP 288 STE 123
DENTON, TX 76209
Counselor (Addiction (Substance Use Disorder))
306 N LOOP 288 STE 123
DENTON, TX 76209
Counselor (Professional)
306 N LOOP 288 STE 123
DENTON, TX 76209
Counselor (Professional)
306 N LOOP 288 STE 123
DENTON, TX 76209
Social Worker (Clinical)
306 N LOOP 288 STE 123
DENTON, TX 76209
Social Worker (Clinical)
306 N LOOP 288 STE 123
DENTON, TX 76209
Social Worker (Clinical)
306 N LOOP 288 STE 123
DENTON, TX 76209

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1619614195, enumerated as an "individual" on May 17, 2022.

The provider is located at 306 N LOOP 288 STE 123 DENTON, TX 76209 and the phone number is (469) 626-7511.

Counselor with taxonomy code 101YP2500X and a focus in Professional.

The provider might be accepting Accepts: Blue Cross and Blue Shield of Texas, Oscar. Please consult your insurance carrier or call the provider to verify.