DR. FRANCISCO J MONTEMAYOR MD
NPI 1811964166
Pediatrics in San Antonio, TX

NPI Status: Active since March 07, 2006

Contact Information

7254 BLANCO RD
SUITE 104
SAN ANTONIO, TX
ZIP 78216
Phone: (210) 342-3838
Fax: (210) 342-7705

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  • Individual
  • Male
  • Pediatrics
  • Accepts Insurance
  • CLIA Number: 45D0981219
  • CLIA Cert. Type: Physician Office
  • CLIA Exp. Date: 12-19-2026

About FRANCISCO MONTEMAYOR

This page provides the complete NPI Profile along with additional information for Francisco Montemayor, a pediatrician established in San Antonio, Texas with a medical specialization in Pediatrics. The healthcare provider is registered in the NPI registry with number 1811964166 assigned on March 2006. The practitioner's primary taxonomy code is 208000000X with license number J4365 (TX). The provider is registered as an individual and his NPI record was last updated 15 years ago.

NPI
1811964166
Provider Name
DR. FRANCISCO J MONTEMAYOR MD
Gender
Male
Entity Type
Individual
Location Address
7254 BLANCO RD SUITE 104 SAN ANTONIO, TX 78216
Location Phone
(210) 342-3838
Location Fax
(210) 342-7705
Mailing Address
7254 BLANCO RD SUITE 104 SAN ANTONIO, TX 78216
Mailing Phone
(210) 342-3838
Mailing Fax
(210) 342-7705
Is Sole Proprietor?
Yes
Enumeration Date
03-07-2006
Last Update Date
11-19-2011
Code Navigator

A pediatrician like Francisco Montemayor 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.
J4365
License State
TX
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.

Insurance Plans Accepted

According to publicly available information the provider might be accepting the following health plans from these health insurance companies:

  • UHC Bronze Copay Focus $0 Indiv Med Ded ($0 Virtual Urgent Care) - HMO
  • UHC Bronze Essential ($0 Virtual Urgent Care) - HMO
  • UHC Bronze Standard - HMO
  • UHC Bronze Standard+ (Dental + Vision) - HMO
  • UHC Gold Advantage ($0 Virtual Urgent Care, $8 Tier 2 Rx) - HMO
  • UHC Gold Advantage+ ($0 Virtual Urgent Care, $8 Tier 2 Rx, Dental + Vision) - HMO
  • UHC Gold Copay Focus $0 Indiv Med Ded ($0 Virtual Urgent Care, $8 Tier 2 Rx) - HMO
  • UHC Gold Copay Focus+ $0 Indiv Med Ded ($0 Virtual Urgent Care, $8 Tier 2 Rx, Dental + Vision) - HMO
  • UHC Gold Standard - HMO
  • UHC Silver Advantage ($0 Virtual Urgent Care, $5 Tier 2 Rx) - HMO
  • UHC Silver Advantage+ ($0 Virtual Urgent Care, $5 Tier 2 Rx, Dental + Vision) - HMO
  • UHC Silver Standard - HMO
  • UHC Silver Value ($0 Virtual Urgent Care) - HMO
  • UHC Silver Value+ ($0 Virtual Urgent Care, Dental + Vision) - HMO

Specific plan information not avaialable, please contact the provider to verify if your insurance plan is accepted.

Specific plan information not avaialable, please contact the provider to verify if your insurance plan is accepted.

*Please verify directly with this provider to make sure your insurance plan is currently accepted.

Additional Identifiers

The NPI Enumerator encourages providers to submit additional identifiers with their NPI application although the submission of this information is optional. The additional identifier(s) section includes other numbers or codes currently or formerly used as an identifier for the provider by other public healthcare entities. The identifiers may include UPIN, NSC, OSCAR, DEA, Medicaid State or PIN identification numbers.

Identifier Type / Code Identifier State Identifier Issuer
G25120MEDICARE UPIN (02) 
P000496M8MEDICAID (05)TX 
00496MMEDICARE ID-TYPE UNSPECIFIED (04)TX 
127111605OTHER (01)TXTPI

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
45D0981219
Facility Type
Physician Office
Certificate Effective Date
December 20, 2024
Certificate Expiration Date
December 19, 2026
Laboratory Director
FRANCISCO J. MONTEMAYOR
Certificate Type
Certificate of Waiver
Certificate Type Description
This CLIA certificate is issued to Francisco Montemayor 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 DR. FRANCISCO J MONTEMAYOR MD

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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 1811964166, 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
8
Unchanged
Pos 3
1
Doubled → 2
Pos 4
1
Unchanged
Pos 5
9
Doubled → 18 → 1 + 8
Pos 6
6
Unchanged
Pos 7
4
Doubled → 8
Pos 8
1
Unchanged
Pos 9
6
Doubled → 12 → 1 + 2
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 1 → 2 9 → 18 → 9 4 → 8 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 + 2 + 1 + 1 + 8 + 6 + 8 + 1 + 1 + 2 + 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 1811964166.

Other Providers at the Same Location


The following 9 providers are registered at the same or a nearby location.

Family Medicine
7254 BLANCO RD
SAN ANTONIO, TX 78216
Dentist (General Practice)
7254 BLANCO RD, STE 102
SAN ANTONIO, TX 78216
Dentist (General Practice)
7254 BLANCO RD, SUITE 207
SAN ANTONIO, TX 78216
Dentist (General Practice)
7254 BLANCO RD, 204
SAN ANTONIO, TX 78216
Physician Assistant
7254 BLANCO RD, STE 101
SAN ANTONIO, TX 78216
Pediatrics
7254 BLANCO RD, SUITE 104
SAN ANTONIO, TX 78216
Counselor (Mental Health)
7254 BLANCO RD
SAN ANTONIO, TX 78216
Speech-Language Pathologist
7254 BLANCO RD
SAN ANTONIO, TX 78216
Speech-Language Pathologist
7254 BLANCO RD
SAN ANTONIO, TX 78216

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1811964166, enumerated as an "individual" on March 07, 2006.

The provider is located at 7254 BLANCO RD SUITE 104 SAN ANTONIO, TX 78216 and the phone number is (210) 342-3838.

Pediatrics with taxonomy code 208000000X.

The provider might be accepting Accepts: UnitedHealthcare, Medicare and Medicaid. Please consult your insurance carrier or call the provider to verify.