DR. TREY HEFFERNAN PHD
NPI 1780471136
Psychologist in Danville, IL
NPI Status: Active since April 21, 2025
- Individual
- Male
- Psychologist
About TREY HEFFERNAN
This page provides the complete NPI Profile along with additional information for Trey Heffernan, a provider established in Danville, Illinois with a medical specialization in Psychologist. The healthcare provider is registered in the NPI registry with number 1780471136 assigned on April 2025. The practitioner's primary taxonomy code is 103T00000X with license number PY61608480 (WA). The provider is registered as an individual and his NPI record was last updated April 2025.
- NPI
- 1780471136
- Provider Name
- DR. TREY HEFFERNAN PHD
- Gender
- Male
- Entity Type
- Individual
- Location Address
- 1900 E MAIN ST DANVILLE, IL 61832
- Location Phone
- (217) 554-3000
- Mailing Address
- 1900 E MAIN ST DANVILLE, IL 61832
- Is Sole Proprietor?
- Yes
- Enumeration Date
- 04-21-2025
- Last Update Date
- 04-21-2025
- Code Navigator
A psychologist like Trey Heffernan 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
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.
- PY61608480
- License State
- WA
- 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.
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NPI Validation Check Digit Calculation
The following table explains the step by step NPI number validation process using the ISO standard Luhn algorithm.
| Start with the original NPI number, the last digit is the check digit and is not used in the calculation. | |||||||||
| 1 | 7 | 8 | 0 | 4 | 7 | 1 | 1 | 3 | 6 |
| Step 1: Double the value of the alternate digits, beginning with the rightmost digit. | |||||||||
| 2 | 7 | 16 | 0 | 8 | 7 | 2 | 1 | 6 | |
| Step 2: Add all the doubled and unaffected individual digits from step 1 plus the constant number 24. | |||||||||
| 2 + 7 + 1 + 6 + 0 + 8 + 7 + 2 + 1 + 6 + 24 = 64 | |||||||||
| Step 3: Subtract the total obtained in step 2 from the next higher number ending in zero, the result is the check digit. | |||||||||
| 70 - 64 = 6 | 6 | ||||||||
The NPI number 1780471136 is valid because the calculated check digit 6 using the Luhn validation algorithm matches the last digit of the original NPI number.
Other Providers at the Same Location
The following 20 providers are registered at the same or nearby location.
| NPI | Name / Type | Taxonomy | Address |
|---|---|---|---|
| 1174515498 | DR. DONALD CRAIG TIGCHELAAR D.D.S. Individual | Dentist | 1900 E MAIN ST VA ILLIANA HEALTHCARE SYSTEM DANVILLE, IL 61832 (217) 554-4516 |
| 1790759033 | DR. KOLALA VASUDEVAMURTHY M.D. Individual | Internal Medicine (Cardiovascular Disease) | 1900 E MAIN ST VA ILLIANA HCS DANVILLE, IL 61832 (217) 554-5495 |
| 1699737585 | MR. WAYNE THOMAS WING PA-C Individual | Physician Assistant (Surgical) | 1900 E MAIN ST SURGICAL SERVICE DANVILLE, IL 61832 (217) 554-5467 |
| 1699730630 | MRS. BETH PERALTA MS, RD, LDN Individual | Dietitian, Registered | 1900 E MAIN ST DANVILLE, IL 61832 (217) 554-3000 |
| 1780626952 | MRS. SUSAN M ROBERTS M.A., CCC-SLP Individual | Speech-Language Pathologist | 1900 E MAIN ST DANVILLE, IL 61832 (217) 554-5621 |
| 1982647046 | GARY ALAN VANHUYSEN OTR Individual | Occupational Therapist | 1900 E MAIN ST DANVILLE, IL 61832 (217) 554-5243 |
| 1144257858 | KATHERINE JOANNE GOOD RIGGS RPT Individual | Physical Therapist | 1900 E MAIN ST DANVILLE, IL 61832 (217) 554-5231 |
| 1821004169 | MS. MONICA G GRANT MA, CCC-A, FAAA Individual | Audiologist | 1900 E MAIN ST DANVILLE, IL 61832 (217) 554-4522 |
| 1790794428 | DR. LINDA BLACK SHUMAKER PHARMD Individual | Pharmacist | 1900 E MAIN ST 119 DANVILLE, IL 61832 (217) 554-4239 |
| 1538178702 | DR. JON GEORGE LEGRANT PHARM.D. Individual | Pharmacist | 1900 E MAIN ST DANVILLE, IL 61832 (217) 554-5342 |
| 1184633109 | DR. ANDREW E SCHAEFER PHARM.D. Individual | Pharmacist (Pharmacist Clinician (PhC)/ Clinical Pharmacy Specialist) | 1900 E MAIN ST OUTPATIENT PHARMACY DANVILLE, IL 61832 (217) 554-4264 |
| 1275543019 | MS. DARLENE L ETTER L.C.S.W Individual | Social Worker (Clinical) | 1900 E MAIN ST DANVILLE, IL 61832 (217) 442-8000 |
| 1376553818 | KIMBERLY ANN KELLEY MSW,LCSW Individual | Social Worker (Clinical) | 1900 E MAIN ST DANVILLE, IL 61832 (217) 554-5137 |
| 1487664611 | MR. THOMAS F SHUMAKER PRH Individual | Pharmacist | 1900 E MAIN ST DANVILLE, IL 61832 (217) 554-3128 |
| 1972513042 | MRS. SUSAN L VENTER LMSW Individual | Social Worker | 1900 E MAIN ST DANVILLE, IL 61832 (217) 554-5527 |
| 1649281411 | DR. ANIL B GOPINATH MD Individual | Internal Medicine | 1900 E MAIN ST DANVILLE, IL 61832 (217) 554-3000 |
| 1578575528 | MRS. JUDITH ANN PHILLIPPE LCSW Individual | Social Worker (Clinical) | 1900 E MAIN ST DANVILLE, IL 61832 (217) 554-4867 |
| 1396756672 | DR. WILLIAM MICHAEL KENNY M.D. Individual | Specialist | 1900 E MAIN ST 1900 E. MAIN STREET DANVILLE, IL 61832 (217) 442-8000 |
| 1508877804 | DR. RICHARD C. SHEPHERD PH.D. Individual | Psychologist | 1900 E MAIN ST DANVILLE, IL 61832 (309) 497-0790 |
| 1790797769 | PATRICIA L TODD APN, CNP Individual | Nurse Practitioner | 1900 E MAIN ST DANVILLE, IL 61832 (217) 554-3173 |
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1780471136, enumerated in the NPI registry as an "individual" on April 21, 2025
The provider is located at 1900 E Main St Danville, Il 61832 and the phone number is (217) 554-3000
The provider's speciality is Psychologist with taxonomy code 103T00000X
This NPI record was last updated on April 21, 2025. To officially update your NPI information contact the National Plan and Provider Enumeration System (NPPES) at 1-800-465-3203 (NPI Toll-Free) or by email at [email protected].
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