RALPH CORYELL FRATES JR. MD
NPI 1093836496
Pediatrics in Houston, TX

NPI Status: Active since April 03, 2007

Contact Information

800 BELL STREET
SRM EMB4 061 SEA RIVER MARITIME INC MEDICAL DEPARTMENT
HOUSTON, TX
ZIP 77002
Phone: (713) 656-2426
Fax: (713) 656-1979

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NPPES record last updated: September 11, 2025. Verified against the NPPES registry weekly; last sync: July 12, 2026.

  • Individual
  • Male
  • Pediatrics

About RALPH FRATES

This page provides the complete NPI Profile along with additional information for Ralph Frates, a pediatrician established in Houston, Texas with a medical specialization in Pediatrics. The healthcare provider is registered in the NPI registry with number 1093836496 assigned on April 2007. The practitioner's primary taxonomy code is 208000000X with license number 011172 (LA). The provider is registered as an individual and his NPI record was last updated one year ago.

NPI
1093836496
Provider Name
RALPH CORYELL FRATES JR. MD
Gender
Male
Entity Type
Individual
Location Address
800 BELL STREET SRM EMB4 061 SEA RIVER MARITIME INC MEDICAL DEPARTMENT HOUSTON, TX 77002
Location Phone
(713) 656-2426
Location Fax
(713) 656-1979
Mailing Address
3602 UNIVERSITY BOULEVARD HOUSTON, TX 77005
Mailing Phone
(713) 664-5199
Is Sole Proprietor?
No
Enumeration Date
04-03-2007
Last Update Date
09-11-2025
Code Navigator

A pediatrician like Ralph Frates is a physician who has completed a pediatric residency and is board-certified or board-eligible in a pediatric specialty. Pediatric care providers are trained to care for newborns, infants, children and adolescents. A pediatrician could perform physical exams, manage vaccinations, monitor development milestones, diagnose illnesses, infections, injuries or other health problems, etc.

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

Pediatrics

Taxonomy Code
208000000X
Type
Allopathic & Osteopathic Physicians
License No.
011172
License State
LA
Taxonomy Description
A pediatrician is concerned with the physical, emotional and social health of children from birth to young adulthood. Care encompasses a broad spectrum of health services ranging from preventive healthcare to the diagnosis and treatment of acute and chronic diseases. A pediatrician deals with biological, social and environmental influences on the developing child, and with the impact of disease and dysfunction on 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)
12080P0214XAllopathic & Osteopathic Physicians

Pediatrics
Pediatric Pulmonology

C32624 (CA)
22083X0100XAllopathic & Osteopathic Physicians

Preventive Medicine
Occupational Medicine

E2205 (TX)

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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 1093836496, we treat the final digit (6) 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 64. The final step is to find the difference between that total and the next multiple of ten (70 - 64 = 6).

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
0
Unchanged
Pos 3
9
Doubled → 18 → 1 + 8
Pos 4
3
Unchanged
Pos 5
8
Doubled → 16 → 1 + 6
Pos 6
3
Unchanged
Pos 7
6
Doubled → 12 → 1 + 2
Pos 8
4
Unchanged
Pos 9
9
Doubled → 18 → 1 + 8
Check
6
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 9 → 18 → 9 8 → 16 → 7 6 → 12 → 3 9 → 18 → 9

Step 2: Add all digits plus the NPI constant

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

2 + 0 + 1 + 8 + 3 + 1 + 6 + 3 + 1 + 2 + 4 + 1 + 8 + 24 = 64

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

The next multiple of ten after 64 is 70. The difference is the calculated check digit.

70 - 64 = 6
This NPI is valid
The calculated check digit is 6, which matches the last digit of 1093836496.

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1093836496, enumerated as an "individual" on April 03, 2007.

The provider is located at 800 BELL STREET SRM EMB4 061 SEA RIVER MARITIME INC MEDICAL DEPARTMENT HOUSTON, TX 77002 and the phone number is (713) 656-2426.

Pediatrics with taxonomy code 208000000X.