MARTHA ST. JOHN, M.D., P.A.
NPI 1134220650
Psychiatry & Neurology - Psychiatry in Houston, TX
NPI Status: Active since September 26, 2006
Contact Information
11767 KATY FWY
SUITE 364
HOUSTON, TX
ZIP 77079
Phone: (281) 497-3500
Fax: (281) 497-3512
- Organization
- Psychiatry & Neurology
- Psychiatry
- CLIA Number: 45D2082658
- CLIA Cert. Type: Physician Office
- CLIA Exp. Date: 08-18-2026
About MARTHA ST. JOHN, M.D., P.A.
This page provides the complete NPI Profile along with additional information for Martha St. John, M.d., P.a., a provider established in Houston, Texas operating as a Psychiatry & Neurology, focusing in psychiatry . The healthcare provider is registered in the NPI registry with number 1134220650 assigned on September 2006. The practitioner's primary taxonomy code is 2084P0800X with license number L9500 (TX). The provider is registered as an organization and their NPI record was last updated 15 years ago. The organization operates as a Single Specialty Group with one or more individual practitioners, all of who practice with the same area of specialization. The authorized official of this NPI record is Dr. Martha Wolfram St. John Md (Owner)
- NPI
- 1134220650
- Provider Name
- MARTHA ST. JOHN, M.D., P.A.
- Entity Type
- Organization
- Location Address
- 11767 KATY FWY SUITE 364 HOUSTON, TX 77079
- Location Phone
- (281) 497-3500
- Location Fax
- (281) 497-3512
- Mailing Address
- 11767 KATY FWY SUITE 364 HOUSTON, TX 77079
- Mailing Phone
- (281) 497-3500
- Mailing Fax
- (281) 497-3512
- Is Sole Proprietor?
- No
- Is Organization Subpart?
- No
- Enumeration Date
- 09-26-2006
- Last Update Date
- 07-14-2011
- Code Navigator
A psychiatrist like Martha St. John, M.d., P.a. are primary mental health physicians diagnose and treat mental illnesses through psychotherapy, psychoanalysis, hospitalization and medication. Psychiatrist help patients find solutions through changes in their behavioral patterns, explorations of experiences, group and family therapy.
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
Psychiatry & Neurology Psychiatry
- Taxonomy Code
- 2084P0800X
- Type
- Allopathic & Osteopathic Physicians
- License No.
- L9500
- License State
- TX
- Taxonomy Description
- A Psychiatrist specializes in the prevention, diagnosis, and treatment of mental disorders, emotional disorders, psychotic disorders, mood disorders, anxiety disorders, substance-related disorders, sexual and gender identity disorders and adjustment disorders. Biologic, psychological, and social components of illnesses are explored and understood in treatment of the whole person. Tools used may include diagnostic laboratory tests, prescribed medications, evaluation and treatment of psychological and interpersonal problems with individuals and families, and intervention for coping with stress, crises, and other problems.
Group Taxonomy 193400000X SINGLE SPECIALTY GROUP
This provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.
CLIA Information
The Clinical Laboratory Improvement Amendments (CLIA) of 1988 applies to facilities or sites that test human specimens for health assessment or to diagnose, prevent, or treat disease. The CLIA Program sets standards for clinical laboratory testing and issues certificates. The NPI / CLIA crosswalk information for this NPI number is:
- CLIA Number
- 45D2082658
- Facility Type
- Physician Office
- Certificate Effective Date
- August 19, 2024
- Certificate Expiration Date
- August 18, 2026
- Laboratory Director
- MARTHA ST JOHN
- Certificate Type
- Certificate of Waiver
- Certificate Type Description
- This CLIA certificate is issued to Martha St. John, M.d., P.a. to perform only waived tests. CLIA defines waived tests as simple tests with a low risk for an incorrect result. Waived tests include certain tests listed in CLIA regulations, tests cleared by the FDA for home use and tests approved by the FDA for waived status and that meet CLIA waiver criteria.
Reviews for MARTHA ST. JOHN, M.D., P.A.
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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 1134220650, 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 50. The final step is to find the difference between that total and the next multiple of ten (50 - 50 = 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.
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 50 is 50. The difference is the calculated check digit.
Other Providers at the Same Location
The following 9 providers are registered at the same or a nearby location.
HOUSTON, TX 77079
HOUSTON, TX 77079
HOUSTON, TX 77079
HOUSTON, TX 77079
HOUSTON, TX 77079
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1134220650, enumerated as an "organization" on September 26, 2006.
The provider is located at 11767 KATY FWY SUITE 364 HOUSTON, TX 77079 and the phone number is (281) 497-3500.
Psychiatry & Neurology with taxonomy code 2084P0800X and a focus in Psychiatry.
