DR. MARK E. CRAWFORD PH.D.
NPI 1225249048
Psychologist - Clinical in Roswell, GA

NPI Status: Active since May 24, 2007

Contact Information

11111 HOUZE RD
SUITE 320
ROSWELL, GA
ZIP 30076
Phone: (770) 993-0051
Fax: (770) 993-0052

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  • Individual
  • Male
  • Psychologist
  • Clinical
  • Opted-Out Medicare

About MARK CRAWFORD

This page provides the complete NPI Profile along with additional information for Mark Crawford, a provider established in Roswell, Georgia with a medical specialization in Psychologist, focusing in clinical . The healthcare provider is registered in the NPI registry with number 1225249048 assigned on May 2007. The practitioner's primary taxonomy code is 103TC0700X with license number PSY001380 (GA). The provider is registered as an individual and his NPI record was last updated 19 years ago.

NPI
1225249048
Provider Name
DR. MARK E. CRAWFORD PH.D.
Gender
Male
Entity Type
Individual
Location Address
11111 HOUZE RD SUITE 320 ROSWELL, GA 30076
Location Phone
(770) 993-0051
Location Fax
(770) 993-0052
Mailing Address
11111 HOUZE RD SUITE 320 ROSWELL, GA 30076
Mailing Phone
(770) 993-0051
Mailing Fax
(770) 993-0052
Is Sole Proprietor?
Yes
Enumeration Date
05-24-2007
Last Update Date
07-08-2007
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A clinical psychologist like Mark Crawford assesses, diagnoses, and treats mental, emotional, and behavioral disorders. Clinical psychologists help people deal with problems ranging from short-term personal issues to severe, chronic conditions. Clinical psychologists interview patients, give diagnostic tests, provide psychotherapy and design behavior modification programs to help 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. Mark Crawford opted out of Medicare effective on 03-22-2024 until 03-22-2026. 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

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 Clinical

Taxonomy Code
103TC0700X
Type
Behavioral Health & Social Service Providers
License No.
PSY001380
License State
GA
Taxonomy Description
A psychologist who provides continuing and comprehensive mental and behavioral health care for individuals and families; consultation to agencies and communities; training, education and supervision; and research-based practice. It is a specialty in breadth -- one that is broadly inclusive of severe psychopathology -- and marked by comprehensiveness and integration of knowledge and skill from a broad array of disciplines within and outside of psychology proper. The scope of clinical psychology encompasses all ages, multiple diversities and varied systems.

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: 03-22-2024

  • Opt-Out End Date: 03-22-2026

  • Eligible to Order and Refer? No

Reviews for DR. MARK E. CRAWFORD PH.D.

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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 1225249048, we treat the final digit (8) 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 62. The final step is to find the difference between that total and the next multiple of ten (70 - 62 = 8).

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
2
Unchanged
Pos 3
2
Doubled → 4
Pos 4
5
Unchanged
Pos 5
2
Doubled → 4
Pos 6
4
Unchanged
Pos 7
9
Doubled → 18 → 1 + 8
Pos 8
0
Unchanged
Pos 9
4
Doubled → 8
Check
8
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 2 → 4 9 → 18 → 9 4 → 8

Step 2: Add all digits plus the NPI constant

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

2 + 2 + 4 + 5 + 4 + 4 + 1 + 8 + 0 + 8 + 24 = 62

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

The next multiple of ten after 62 is 70. The difference is the calculated check digit.

70 - 62 = 8
This NPI is valid
The calculated check digit is 8, which matches the last digit of 1225249048.

Other Providers at the Same Location


The following 15 providers are registered at the same or a nearby location.

Counselor (Professional)
11111 HOUZE RD, STE 225
ROSWELL, GA 30076
Marriage & Family Therapist
11111 HOUZE RD, STE 225
ROSWELL, GA 30076
Registered Nurse (Psychiatric/Mental Health)
11111 HOUZE RD, ATE 225
ROSWELL, GA 30076
Psychiatry & Neurology (Psychiatry)
11111 HOUZE RD
ROSWELL, GA 30076
Counselor (Professional)
11111 HOUZE RD, SUITE 350
ROSWELL, GA 30076
Counselor (Professional)
11111 HOUZE RD, SUITE 350
ROSWELL, GA 30076
Psychiatry & Neurology (Psychiatry)
11111 HOUZE RD, SUITE 320
ROSWELL, GA 30076
Speech-Language Pathologist
11111 HOUZE RD, SUITE 101
ROSWELL, GA 30076
Speech-Language Pathologist
11111 HOUZE RD, SUITE 101
ROSWELL, GA 30076
Social Worker (Clinical)
11111 HOUZE RD, STE 225
ROSWELL, GA 30076
Psychiatry & Neurology (Psychiatry)
11111 HOUZE RD, STE 225
ROSWELL, GA 30076
Psychiatry & Neurology (Psychiatry)
11111 HOUZE RD, STE 225
ROSWELL, GA 30076
Counselor (Professional)
11111 HOUZE RD, SUITE 320
ROSWELL, GA 30076
Psychiatry & Neurology (Psychiatry)
11111 HOUZE RD, STE. 320
ROSWELL, GA 30076
In Home Supportive Care
11111 HOUZE RD
ROSWELL, GA 30076

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1225249048, enumerated as an "individual" on May 24, 2007.

The provider is located at 11111 HOUZE RD SUITE 320 ROSWELL, GA 30076 and the phone number is (770) 993-0051.

Psychologist with taxonomy code 103TC0700X and a focus in Clinical.