DR. MARK EDWARD HATFIELD PH.D.
NPI 1407069677
Psychologist - School in Houston, TX

NPI Status: Active since May 07, 2007

Contact Information

14359 TORREY CHASE BLVD STE A
HOUSTON, TX
ZIP 77014
Phone: (281) 444-0978
Fax: (281) 444-0979

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  • Individual
  • Male
  • Psychologist
  • School
  • PECOS Enrolled
  • Opted-Out Medicare

About MARK HATFIELD

This page provides the complete NPI Profile along with additional information for Mark Hatfield, a provider established in Houston, Texas with a medical specialization in Psychologist, focusing in school . The healthcare provider is registered in the NPI registry with number 1407069677 assigned on May 2007. The practitioner's primary taxonomy code is 103TS0200X with license number 30384 (TX). The provider is registered as an individual and his NPI record was last updated one year ago.

NPI
1407069677
Provider Name
DR. MARK EDWARD HATFIELD PH.D.
Gender
Male
Entity Type
Individual
Location Address
14359 TORREY CHASE BLVD STE A HOUSTON, TX 77014
Location Phone
(281) 444-0978
Location Fax
(281) 444-0979
Mailing Address
14359 TORREY CHASE BLVD STE A HOUSTON, TX 77014
Mailing Phone
(281) 444-0978
Mailing Fax
(281) 444-0979
Is Sole Proprietor?
Yes
Enumeration Date
05-07-2007
Last Update Date
09-11-2025
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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 Hatfield opted out of Medicare effective on 10-01-2017 until 10-01-2027. 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 but is permitted to order and refer services to other healthcare providers.

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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 School

Taxonomy Code
103TS0200X
Type
Behavioral Health & Social Service Providers
License No.
30384
License State
TX
Taxonomy Description
A psychologist whose specialty is concerned with the science and practice of psychology with children, youth, families; learners of all ages; and the schooling process. The basic education and training of school psychologists prepares them to provide a range of psychological diagnosis, assessment, intervention, prevention, health promotion, and program development and evaluation services with a special focus on the developmental processes of children and youth within the context of schools, families and other systems. School psychologists are prepared to intervene at the individual and system level, and develop, implement, and evaluate preventive programs. In these efforts, they conduct ecologically valid assessments and intervene to promote positive learning environments within which children and youth from diverse backgrounds to ensure that all have equal access to effective educational and psychological services that promote healthy development

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)
1103TC0700XBehavioral Health & Social Service Providers

Psychologist
Clinical

23544 (TX)

Medicare Participation & PECOS Enrollment Status

Mark Hatfield is enrolled in PECOS and is eligible to order or refer health care services for Medicare patients. The provider is eligible to order or refer: Part B Clinical Laboratory and Imaging and Durable Medical Equipment (DME).

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.

  • Is the provider registered in PECOS? Yes

  • Opted-Out of Medicare? Yes

  • Opt-Out Effective Date: 10-01-2017

  • Opt-Out End Date: 10-01-2027

  • Eligible to Order and Refer? Yes

  • Eligible to Order or Refer Part B Clinical Laboratory and Imaging: Yes

  • Eligible to Order or Refer Durable Medical Equipment (DMEPOS): Yes

  • Eligible to Order or Refer a Home Health Agency (HHA): No

  • Eligible to Order or Refer Power Mobility Devices: 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 1407069677, we treat the final digit (7) 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 63. The final step is to find the difference between that total and the next multiple of ten (70 - 63 = 7).

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
4
Unchanged
Pos 3
0
Doubled → 0
Pos 4
7
Unchanged
Pos 5
0
Doubled → 0
Pos 6
6
Unchanged
Pos 7
9
Doubled → 18 → 1 + 8
Pos 8
6
Unchanged
Pos 9
7
Doubled → 14 → 1 + 4
Check
7
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 0 → 0 0 → 0 9 → 18 → 9 7 → 14 → 5

Step 2: Add all digits plus the NPI constant

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

2 + 4 + 0 + 7 + 0 + 6 + 1 + 8 + 6 + 1 + 4 + 24 = 63

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

The next multiple of ten after 63 is 70. The difference is the calculated check digit.

70 - 63 = 7
This NPI is valid
The calculated check digit is 7, which matches the last digit of 1407069677.

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1407069677, enumerated as an "individual" on May 07, 2007.

The provider is located at 14359 TORREY CHASE BLVD STE A HOUSTON, TX 77014 and the phone number is (281) 444-0978.

Psychologist with taxonomy code 103TS0200X and a focus in School.