DR. DARRELL CORY GREENE PH.D.
NPI 1821153560
Psychologist in New York, NY

NPI Status: Active since December 22, 2006

Contact Information

1123 BROADWAY STE 916
NEW YORK, NY
ZIP 10010
Phone: (212) 929-5978
Fax: (646) 478-9404

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  • Individual
  • Male
  • Psychologist
  • Opted-Out Medicare

About DARRELL GREENE

This page provides the complete NPI Profile along with additional information for Darrell Greene, a provider established in New York, New York with a medical specialization in Psychologist. The healthcare provider is registered in the NPI registry with number 1821153560 assigned on December 2006. The practitioner's primary taxonomy code is 103T00000X with license number 012091-1 (NY). The provider is registered as an individual and his NPI record was last updated 5 years ago.

NPI
1821153560
Provider Name
DR. DARRELL CORY GREENE PH.D.
Gender
Male
Entity Type
Individual
Location Address
1123 BROADWAY STE 916 NEW YORK, NY 10010
Location Phone
(212) 929-5978
Location Fax
(646) 478-9404
Mailing Address
444 BEARDS HOLLOW RD RICHMONDVILLE, NY 12149
Mailing Phone
(917) 421-0954
Mailing Fax
(646) 478-9404
Is Sole Proprietor?
Yes
Enumeration Date
12-22-2006
Last Update Date
12-18-2020
Code Navigator

A psychologist like Darrell Greene 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.

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. Darrell Greene opted out of Medicare effective on 04-01-2023 until 04-01-2027. 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

Secondary Locations

  • 444 Beards Hollow Rd
    Richmondville, NY 12149
    (917) 864-3664

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.
012091-1
License State
NY
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)
1103TA0400XBehavioral Health & Social Service Providers

Psychologist
Addiction (Substance Use Disorder)

012091-1 (NY)
2103TC0700XBehavioral Health & Social Service Providers

Psychologist
Clinical

012091-1 (NY)
3103TC1900XBehavioral Health & Social Service Providers

Psychologist
Counseling

012091-01 (NY)
4103TF0000XBehavioral Health & Social Service Providers

Psychologist
Family

012091-1 (NY)
5103TP2701XBehavioral Health & Social Service Providers

Psychologist
Group Psychotherapy

012091-1 (NY)

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: 04-01-2023

  • Opt-Out End Date: 04-01-2027

  • Eligible to Order and Refer? No

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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 1821153560, we treat the final digit (0) 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 60. The final step is to find the difference between that total and the next multiple of ten (60 - 60 = 0).

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
1
Doubled → 2
Pos 6
5
Unchanged
Pos 7
3
Doubled → 6
Pos 8
5
Unchanged
Pos 9
6
Doubled → 12 → 1 + 2
Check
0
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 1 → 2 3 → 6 6 → 12 → 3

Step 2: Add all digits plus the NPI constant

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

2 + 8 + 4 + 1 + 2 + 5 + 6 + 5 + 1 + 2 + 24 = 60

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

The next multiple of ten after 60 is 60. The difference is the calculated check digit.

60 - 60 = 0
This NPI is valid
The calculated check digit is 0, which matches the last digit of 1821153560.

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1821153560, enumerated as an "individual" on December 22, 2006.

The provider is located at 1123 BROADWAY STE 916 NEW YORK, NY 10010 and the phone number is (212) 929-5978.

Psychologist with taxonomy code 103T00000X.