DR. MARION PHOUMMARATH ZAHN PH.D.
NPI 1669771804
Psychologist in Katy, TX
NPI Status: Active since March 25, 2011
Contact Information
24044 CINCO VILLAGE CENTER BLVD
SUITE 100
KATY, TX
ZIP 77494
Phone: (713) 975-1222
Fax: (888) 975-1526
- Individual
- Female
- Psychologist
- Accepts Insurance
About MARION ZAHN
This page provides the complete NPI Profile along with additional information for Marion Zahn, a provider established in Katy, Texas with a medical specialization in Psychologist. The healthcare provider is registered in the NPI registry with number 1669771804 assigned on March 2011. The practitioner's primary taxonomy code is 103T00000X with license number 34861 (TX). The provider is registered as an individual and her NPI record was last updated January 2026.
- NPI
- 1669771804
- Provider Name
- DR. MARION PHOUMMARATH ZAHN PH.D.
- Gender
- Female
- Entity Type
- Individual
- Location Address
- 24044 CINCO VILLAGE CENTER BLVD SUITE 100 KATY, TX 77494
- Location Phone
- (713) 975-1222
- Location Fax
- (888) 975-1526
- Mailing Address
- 24044 CINCO VILLAGE CENTER BLVD SUITE 100 KATY, TX 77494
- Mailing Phone
- (713) 975-1222
- Mailing Fax
- (888) 975-1526
- Is Sole Proprietor?
- Yes
- Enumeration Date
- 03-25-2011
- Last Update Date
- 01-27-2026
- Code Navigator
A psychologist like Marion Zahn studies cognitive, emotional, social processes and behavior by observing, interpreting, and recording how people relate to one another and to their environments. Psychologists gather information and evaluate behavior through controlled laboratory experiments, psychoanalysis, psychotherapy or through personality, performance, aptitude, or intelligence tests, and use this information when testing theories in their research or when treating patients.
Location Map
Secondary Locations
- 9302 E 22nd St
Tucson, AZ 85710
(520) 278-5758
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
- Taxonomy Code
- 103T00000X
- Type
- Behavioral Health & Social Service Providers
- License No.
- 34861
- License State
- TX
- Taxonomy Description
- A psychologist is an individual who is licensed to practice psychology which is defined as the observation, description, evaluation, interpretation, and modification of human behavior by the application of psychological principles, methods, and procedures, for the purpose of preventing or eliminating symptomatic, maladaptive, or undesired behavior and of enhancing interpersonal relationships, work and life adjustment, personal effectiveness, behavioral health, and mental health. The practice of psychology includes, but is not limited to, psychological testing and the evaluation or assessment of personal characteristics, such as intelligence, personality, abilities, interests, aptitudes, and neuropsychological functioning; counseling, psychoanalysis, psychotherapy, hypnosis, biofeedback, and behavior analysis and therapy; diagnosis and treatment of mental and emotional disorder or disability, alcoholism and substance abuse, disorders of habit or conduct, as well as of the psychological aspects of physical illness, accident, injury, or disability; and psycheducational evaluation, therapy, remediation, and consultation. Psychological services may be rendered to individuals, families, groups and the public.
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) |
|---|---|---|---|---|
| 1 | 103T00000X | Behavioral Health & Social Service Providers | Psychologist | 7661 |
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
- Bronze 7500 $25 Generic Drugs - HMO
- Bronze 7500 $25 Generic Drugs + Adult Vision & Fitness - HMO
- Core Gold 1500 $10 Generic Drugs - HMO
- Core Gold 1500 $10 Generic Drugs + Adult Vision & Fitness - HMO
- Diabetes Gold 3000 $0 Chronic Care Drugs & Services - HMO
- Diabetes Gold 3000 $0 Chronic Care Drugs & Services + Adult Vision & Fitness - HMO
- Diabetes Silver 5000 $0 Chronic Care Drugs & Services - HMO
- Diabetes Silver 5000 $0 Chronic Care Drugs & Services + Adult Vision & Fitness - HMO
- Gold 2000 $15 Generic Drugs - HMO
- Gold 2000 $15 Generic Drugs + Adult Vision & Fitness - HMO
- HDHP Preventive Silver 5500 $0 Chronic Care Drugs - HMO
- Healthy Heart Gold 3000 $0 Chronic Care Drugs & Services - HMO
- Healthy Heart Gold 3000 $0 Chronic Care Drugs & Services + Adult Vision & Fitness - HMO
- Healthy Heart Silver 5000 $0 Chronic Care Drugs & Services - HMO
- Healthy Heart Silver 5000 $0 Chronic Care Drugs & Services + Adult Vision & Fitness - HMO
- Low Premium Bronze 10600 $25 Generic Drugs - HMO
- Low Premium Bronze 10600 $25 Generic Drugs + Adult Vision & Fitness - HMO
- Low Premium Silver 6200 $3 Generic Drugs - HMO
- Low Premium Silver 6200 $3 Generic Drugs + Adult Vision & Fitness - HMO
- Silver 6000 $20 Generic Drugs - HMO
- Community Premier Bronze 003 (No deductible for PCP, Urgent Care & Generics, $0 PCP 24/7 Virtual Care Options) - HMO
- Community Premier Bronze 018 (No deductible for PCP, Specialist, Urgent Care & Generics, $0 PCP 24/7 Virtual Care Options) - HMO
- Community Premier Gold 005 (No deductible for PCP, Specialist, Urgent Care & Generics, $0 PCP 24/7 Virtual Care Options) - HMO
- Community Premier Gold 021 (No deductible for PCP, Specialist, Urgent Care & Generics, $0 PCP 24/7 Virtual Care Options) - HMO
- Community Premier Silver 012 (No deductible for PCP, Urgent Care & Generics, $0 PCP 24/7 Virtual Care Options) - HMO
- Community Premier Silver 020 (No deductible for PCP, Specialist, Urgent Care & Generics, $0 PCP 24/7 Virtual Care Options) - HMO
- Community Select Bronze 016 (No deductible for PCP, Urgent Care & Generics, $0 PCP 24/7 Virtual Care Options) - HMO
- Community Select Gold 022 (No deductible for PCP, Specialist, Urgent Care & Generics, $0 PCP 24/7 Virtual Care Options) - HMO
- Community Select Silver 019 (No deductible for PCP, Specialist, Urgent Care & Generics, $0 PCP 24/7 Virtual Care Options) - HMO
- Balance by Medica Bronze $0 Copay PCP Visits - PPO
- Balance by Medica Bronze Premier - PPO
- Balance by Medica Expanded Bronze Standard - PPO
- Balance by Medica Gold $0 Copay PCP Visits - PPO
- Balance by Medica Gold Share - PPO
- Balance by Medica Gold Standard - PPO
- Balance by Medica Silver $0 Copay PCP Visits - PPO
- Balance by Medica Silver Share - PPO
- Balance by Medica Silver Standard - PPO
- Harmony by Medica Bronze $0 Copay PCP Visits - PPO
- Harmony by Medica Bronze $0 Copay PCP Visits + Adult Eye Exam - PPO
- Harmony by Medica Bronze Premier - PPO
- Harmony by Medica Bronze Premier + Adult Eye Exam - PPO
- Harmony by Medica Expanded Bronze Standard - PPO
- Harmony by Medica Expanded Bronze Standard + Adult Eye Exam - PPO
- Harmony by Medica Gold $0 Copay PCP Visits - PPO
- Harmony by Medica Gold $0 Copay PCP Visits + Adult Eye Exam - PPO
- Harmony by Medica Gold Share - PPO
- Harmony by Medica Gold Share + Adult Eye Exam - PPO
- Harmony by Medica Gold Standard - PPO
- Molina Bronze Enhanced 3500 - HMO
- Molina Bronze Enhanced 3500 Plus with Adult Dental and Vision - HMO
- Molina Bronze Enhanced 3500 Plus with Adult Vision - HMO
- Molina Bronze Saver 7000 - HMO
- Molina Bronze Saver 7000 Plus with Adult Dental and Vision - HMO
- Molina Bronze Saver 7000 Plus with Adult Vision - HMO
- Molina Bronze Smart Heart Health - HMO
- Molina Bronze Standard - HMO
- Molina Gold Core 1640 - HMO
- Molina Gold Core 1640 Plus with Adult Dental and Vision - HMO
- Molina Gold Core 1640 Plus with Adult Vision - HMO
- Molina Gold Enhanced 895 - HMO
- Molina Gold Enhanced 895 Plus with Adult Dental and Vision - HMO
- Molina Gold Enhanced 895 Plus with Adult Vision - HMO
- Molina Gold Smart Heart Health - HMO
- Molina Gold Standard - HMO
- Molina Silver Core - HMO
- Molina Silver Core Plus with Adult Dental and Vision - HMO
- Molina Silver Core Plus with Adult Vision - HMO
- Molina Silver Saver with Four Free PCP Visits - HMO
- Bronze Classic 4700 - HMO
- Bronze Classic Standard - HMO
- Bronze Elite + PCP Saver Plus - HMO
- Bronze Simple Breathe Easy with Enhanced COPD Benefits - HMO
- Bronze Simple Chronic Care CKM - HMO
- Bronze Simple Diabetes - HMO
- Gold Classic - HMO
- Gold Classic Standard - HMO
- Gold Elite Saver Plus - HMO
- Silver Classic Standard - HMO
- Silver Elite Saver Plus - HMO
- Silver Simple Breathe Easy with Enhanced COPD Benefits - HMO
- Silver Simple Chronic Care CKM - HMO
- Silver Simple Diabetes - HMO
- Silver Simple PCP Saver - HMO
- Silver Simple Women's Health with Menopause Benefits - HMO
- Bronze Classic Standard - HMO
- Bronze Elite + PCP Saver Plus - HMO
- Bronze Simple - HMO
- Bronze Simple Breathe Easy with Enhanced COPD Benefits - HMO
- Bronze Simple Chronic Care CKM - HMO
- Buena Salud Bronce Simple Para Diabetes - HMO
- Gold Classic - HMO
- Gold Classic Standard - HMO
- Gold Simple - HMO
- Gold Simple Diabetes - HMO
- Silver Classic Standard - HMO
- Silver Elite Saver Plus - HMO
- Silver Simple Chronic Care CKM - HMO
- Silver Simple Diabetes - HMO
- Silver Simple PCP Saver - HMO
- Silver Simple Specialist Saver with COPD - HMO
- Silver Simple Women's Health with Menopause Benefits - 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
- Bronze Classic PCP Saver | Cleveland Clinic - HMO
- Bronze Classic Standard | Cleveland Clinic - HMO
- Bronze Simple Breathe Easy with Enhanced COPD Benefits | Cleveland Clinic - HMO
- Bronze Simple Chronic Care CKM | Cleveland Clinic - HMO
- Bronze Simple Diabetes | Cleveland Clinic - HMO
- Bronze Simple HSA | Cleveland Clinic - HMO
- Gold Classic Standard | Cleveland Clinic - HMO
- Gold Elite | Cleveland Clinic - HMO
- Gold Elite Saver Plus | Cleveland Clinic - HMO
- Silver Classic Standard | Cleveland Clinic - HMO
- Silver Elite Saver Plus | Cleveland Clinic - HMO
- Silver Simple Breathe Easy with Enhanced COPD Benefits | Cleveland Clinic - HMO
- Silver Simple Chronic Care CKM | Cleveland Clinic - HMO
- Silver Simple Diabetes | Cleveland Clinic - HMO
- Silver Simple PCP Saver | Cleveland Clinic - HMO
- Silver Simple Women's Health with Menopause Benefits | Cleveland Clinic - HMO
- Connect 1500 Gold - EPO
- Connect 6000 Silver - EPO
- Connect 9800 Bronze - EPO
- HSA Qualified 7500 Bronze - Choice Network - EPO
- HSA-E Qualified 7500 Bronze - Signature Network - EPO
- Providence Oregon Standard Bronze Plan - Choice Network - EPO
- Providence Oregon Standard Bronze Plan - Signature Network - EPO
- Providence Oregon Standard Gold Plan - Choice Network - EPO
- Providence Oregon Standard Gold Plan - Signature Network - EPO
- Providence Oregon Standard Silver Plan - Choice Network - EPO
- Providence Oregon Standard Silver Plan - Signature Network - EPO
- UHC Bronze Copay Focus $0 Indiv Med Ded ($0 Virtual Urgent Care) - HMO
- UHC Bronze Essential ($0 Virtual Urgent Care) - HMO
- UHC Bronze Standard - HMO
- UHC Bronze Standard+ (Dental + Vision) - HMO
- UHC Gold Advantage ($0 Virtual Urgent Care, $8 Tier 2 Rx) - HMO
- UHC Gold Advantage+ ($0 Virtual Urgent Care, $8 Tier 2 Rx, Dental + Vision) - 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 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
- UHC Kelsey-Seybold Gold Copay Focus+ $0 Indiv Med Ded ($8 Tier 2 Rx, Dental + Vision) - HMO
- UHC Kelsey-Seybold Silver Copay Focus $0 Indiv Med Ded - HMO
- UHC Kelsey-Seybold Silver Copay Focus+ $0 Indiv Med Ded (Dental + Vision) - HMO
- UHC Sanitas Bronze Copay Focus $0 Indiv Med Ded ($0 Virtual Urgent Care) - HMO
- UHC Sanitas Bronze Copay Focus+ $0 Indiv Med Ded ($0 Virtual Urgent Care, Dental + Vision) - HMO
- UHC Sanitas Bronze Standard - HMO
- UHC Sanitas Gold Advantage ($0 Virtual Urgent Care, $8 Tier 2 Rx) - HMO
- UHC Sanitas Gold Copay Focus $0 Indiv Med Ded ($0 Virtual Urgent Care, $8 Tier 2 Rx) - HMO
- Wellpoint Essential Bronze 4000 HSA (+ Incentives) - HMO
- Wellpoint Essential Bronze 6000 ($0 Virtual PCP + $0 Select Drugs + Incentives) - HMO
- Wellpoint Essential Bronze 6000 Adult Dental/Vision ($0 Virtual PCP+$0 Select Drugs) - HMO
- Wellpoint Essential Bronze 7500 Standard ($0 Virtual PCP + $0 Select Drugs + Incentives) - HMO
- Wellpoint Essential Bronze POS 4500 ($0 Virtual PCP + $0 Select Drugs + Incentives) - POS
- Wellpoint Essential Bronze POS 5500 ($0 Virtual PCP + $0 Select Drugs + Incentives) - POS
- Wellpoint Essential Bronze POS 7500 Standard ($0 Virtual PCP + $0 Select Drugs + Incentives) - POS
- Wellpoint Essential Catastrophic (+ Incentives) - HMO
- Wellpoint Essential Gold 1500 ($0 Virtual PCP + $0 Select Drugs + Incentives) - HMO
- Wellpoint Essential Gold 2000 Standard ($0 Virtual PCP + $0 Select Drugs + Incentives) - HMO
- Wellpoint Essential Gold 800 ($0 Virtual PCP + $0 Select Drugs + Incentives) - HMO
- Wellpoint Essential Gold POS 1000 ($0 Virtual PCP + $0 Select Drugs + Incentives) - POS
- Wellpoint Essential Gold POS 2000 Standard ($0 Virtual PCP + $0 Select Drugs + Incentives) - POS
- Wellpoint Essential Gold POS 700 ($0 Virtual PCP + $0 Select Drugs + Incentives) - POS
- Wellpoint Essential Silver 1850 ($0 Virtual PCP + $0 Select Drugs + Incentives) - HMO
- Wellpoint Essential Silver 3500 ($0 Virtual PCP + $0 Select Drugs + Incentives) - HMO
- Wellpoint Essential Silver 3500 Adult Dental/Vision ($0 Virtual PCP + $0 Select Drugs + Incentives) - HMO
- Wellpoint Essential Silver 6000 Standard ($0 Virtual PCP + $0 Select Drugs + Incentives) - HMO
- Wellpoint Essential Silver POS 2500 ($0 Virtual PCP + $0 Select Drugs + Incentives) - POS
- Wellpoint Essential Silver POS 4000 ($0 Virtual PCP + $0 Select Drugs + Incentives) - POS
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 |
|---|---|---|---|
| 7661 | OTHER (01) | PSYPACT APIT |
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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 1669771804, 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.
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.
Step 2: Add all digits plus the NPI constant
Add the transformed values, the unchanged digits, and the constant 24.
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.
Other Providers at the Same Location
The following 14 providers are registered at the same or a nearby location.
KATY, TX 77494
KATY, TX 77494
KATY, TX 77494
KATY, TX 77494
KATY, TX 77494
KATY, TX 77494
KATY, TX 77494
KATY, TX 77494
KATY, TX 77494
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1669771804, enumerated as an "individual" on March 25, 2011.
The provider is located at 24044 CINCO VILLAGE CENTER BLVD SUITE 100 KATY, TX 77494 and the phone number is (713) 975-1222.
Psychologist with taxonomy code 103T00000X.
The provider might be accepting Accepts: Blue Cross and Blue Shield of Texas, CareSource,. Please consult your insurance carrier or call the provider to verify.
