EVAN MARSHALL GREGG MD
NPI 1386207231
General Practice in San Antonio, TX

NPI Status: Active since April 17, 2019

Contact Information

7703 FLOYD CURL DRIVE
RM: 719L.-L5 MC:7792
SAN ANTONIO, TX
ZIP 78229
Phone: (210) 567-5742
Fax: (210) 567-3483

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  • Individual
  • Male
  • General Practice

About EVAN GREGG

This page provides the complete NPI Profile along with additional information for Evan Gregg, a primary care provider established in San Antonio, Texas with a medical specialization in General Practice. The healthcare provider is registered in the NPI registry with number 1386207231 assigned on April 2019. The practitioner's primary taxonomy code is 208D00000X with license number 0101271212 (VA). The provider is registered as an individual and his NPI record was last updated 5 years ago.

NPI
1386207231
Provider Name
EVAN MARSHALL GREGG MD
Gender
Male
Entity Type
Individual
Location Address
7703 FLOYD CURL DRIVE RM: 719L.-L5 MC:7792 SAN ANTONIO, TX 78229
Location Phone
(210) 567-5742
Location Fax
(210) 567-3483
Mailing Address
7703 FLOYD CURL DRIVE RM: 719L.-L5 MC:7792 SAN ANTONIO, TX 78229
Mailing Phone
(210) 567-5742
Mailing Fax
(210) 567-3483
Is Sole Proprietor?
No
Enumeration Date
04-17-2019
Last Update Date
01-13-2021
Code Navigator

A primary care provider (PCP) like Evan Gregg sees people with common medical problems. The primary care provider might be a doctor, physician assistant, nurse practitioner or clinic that are usually involved in your long-term care. A PCP might provide preventive care, treat common medical conditions, identify urgent medical problems and refer you to specialists when necessary. Primary care is usually provided in an outpatient facility but if you are admitted to a hospital your PCP may assist in your care. The most common medical conditions seen by primary care providers are: hypertension, upper respiratory tract infections, depression or anxiety, back pain, arthritis, dermatitis, diabetes, urinary tract infections, 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

General Practice

Taxonomy Code
208D00000X
Type
Allopathic & Osteopathic Physicians
License No.
0101271212
License State
VA
Taxonomy Description
A physician who specializes in the general practice of diagnosing, treating, and managing patients with a variety of illnesses and conditions. Source: National Uniform Claim Committee

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)
1390200000XStudent, Health Care

Student in an Organized Health Care Education/Training Program

BP10067914 (TX)

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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 1386207231, we treat the final digit (1) 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 59. The final step is to find the difference between that total and the next multiple of ten (60 - 59 = 1).

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
3
Unchanged
Pos 3
8
Doubled → 16 → 1 + 6
Pos 4
6
Unchanged
Pos 5
2
Doubled → 4
Pos 6
0
Unchanged
Pos 7
7
Doubled → 14 → 1 + 4
Pos 8
2
Unchanged
Pos 9
3
Doubled → 6
Check
1
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 8 → 16 → 7 2 → 4 7 → 14 → 5 3 → 6

Step 2: Add all digits plus the NPI constant

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

2 + 3 + 1 + 6 + 6 + 4 + 0 + 1 + 4 + 2 + 6 + 24 = 59

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

The next multiple of ten after 59 is 60. The difference is the calculated check digit.

60 - 59 = 1
This NPI is valid
The calculated check digit is 1, which matches the last digit of 1386207231.

Other Providers at the Same Location


The following 20 providers are registered at the same or a nearby location.

Nurse Anesthetist, Certified Registered
7703 FLOYD CURL DRIVE
SAN ANTONIO, TX 78229
Nurse Practitioner (Psychiatric/Mental Health)
7703 FLOYD CURL DRIVE, UNIVERSITY OF TEXAS HSC SCHOOL OF NURSING
SAN ANTONIO, TX 78229
Dentist
7703 FLOYD CURL DRIVE
SAN ANTONIO, TX 78229
Radiology (Vascular & Interventional Radiology)
7703 FLOYD CURL DRIVE, RADIOLOGY, UNIV TEXAS HEALTH SCIENCE CENTER
SAN ANTONIO, TX 78229
Emergency Medicine
7703 FLOYD CURL DRIVE, UTHSCSA, STPC, MSC 7849
SAN ANTONIO, TX 78229
Dentist
7703 FLOYD CURL DRIVE, MSC - 7894
SAN ANTONIO, TX 78229
Obstetrics & Gynecology (Maternal & Fetal Medicine)
7703 FLOYD CURL DRIVE
SAN ANTONIO, TX 78229
Dentist
7703 FLOYD CURL DRIVE, MSC 7914
SAN ANTONIO, TX 78229
Dentist (Periodontics)
7703 FLOYD CURL DRIVE
SAN ANTONIO, TX 78229
Student in an Organized Health Care Education/Training Program
7703 FLOYD CURL DRIVE, DEPARTMENT OF PERIODONTICS-MSC 7894
SAN ANTONIO, TX 78229
Student in an Organized Health Care Education/Training Program
7703 FLOYD CURL DRIVE
SAN ANTONIO, TX 78229
Student in an Organized Health Care Education/Training Program
7703 FLOYD CURL DRIVE, MC 7845
SAN ANTONIO, TX 78229
Student in an Organized Health Care Education/Training Program
7703 FLOYD CURL DRIVE, UNIVERSITY OF HEALTH SCIENCE CENTER AT SAN ANTONIO
SAN ANTONIO, TX 78229
Prosthetic/Orthotic Supplier
7703 FLOYD CURL DRIVE, 6TH FLOOR - 638E
SAN ANTONIO, TX 78229
Anesthesiology
7703 FLOYD CURL DRIVE, UTHSCSA, DEPARTMENT OF ANESTHESIOLOGY - MAIL CODE 7838
SAN ANTONIO, TX 78229
General Practice
7703 FLOYD CURL DRIVE
SAN ANTONIO, TX 78229
Student in an Organized Health Care Education/Training Program
7703 FLOYD CURL DRIVE, MSC 776
SAN ANTONIO, TX 78229
Pathology (Anatomic Pathology & Clinical Pathology)
7703 FLOYD CURL DRIVE, MC 7790
SAN ANTONIO, TX 78229
Student in an Organized Health Care Education/Training Program
7703 FLOYD CURL DRIVE
SAN ANTONIO, TX 78229
Student in an Organized Health Care Education/Training Program
7703 FLOYD CURL DRIVE
SAN ANTONIO, TX 78229

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1386207231, enumerated as an "individual" on April 17, 2019.

The provider is located at 7703 FLOYD CURL DRIVE RM: 719L.-L5 MC:7792 SAN ANTONIO, TX 78229 and the phone number is (210) 567-5742.

General Practice with taxonomy code 208D00000X.