UNGS PRIMARY, P.A.
NPI 1023041621
Clinic/Center - Primary Care in Pearland, TX

NPI Status: Active since July 08, 2006

Contact Information

10970 SHADOW CREEK PKWY
SUITE 250
PEARLAND, TX
ZIP 77584
Phone: (713) 436-9475

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  • Organization
  • Clinic/Center
  • Primary Care
  • CLIA Number: 45D1054350
  • CLIA Cert. Type: Physician Office
  • CLIA Exp. Date: 05-17-2028

About UNGS PRIMARY, P.A.

This page provides the complete NPI Profile along with additional information for Ungs Primary, P.a., a primary care provider established in Pearland, Texas operating as a Clinic/center, focusing in primary care . The healthcare provider is registered in the NPI registry with number 1023041621 assigned on July 2006. The practitioner's primary taxonomy code is 261QP2300X with license number L8542 (TX). The provider is registered as an organization and their NPI record was last updated 13 years ago. The authorized official of this NPI record is Dr. Chay Ung Md (President)

NPI
1023041621
Provider Name
UNGS PRIMARY, P.A.
Entity Type
Organization
Location Address
10970 SHADOW CREEK PKWY SUITE 250 PEARLAND, TX 77584
Location Phone
(713) 436-9475
Mailing Address
2623 PARKBRIAR LN PEARLAND, TX 77584
Mailing Phone
(713) 436-9475
Is Sole Proprietor?
No
Is Organization Subpart?
No
Enumeration Date
07-08-2006
Last Update Date
05-29-2013
Code Navigator

A primary care provider (PCP) like Ungs Primary, P.a. 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

Clinic/Center Primary Care

Taxonomy Code
261QP2300X
Type
Ambulatory Health Care Facilities
License No.
L8542
License State
TX

Authorized Official

The authorized official is the designated individual with the legal authority to make changes to the provider’s official NPI record. For organizations, the authorized official must be a general partner, chairman of the board, CEO, CFO or a direct owner holding at least a 5 percent stake in the medical organization.

Authorized Official Name

DR. CHAY UNG MD

Authorized Official Title
PRESIDENT
Authorized Official Phone
(713) 436-9475

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
45D1054350
Facility Type
Physician Office
Certificate Effective Date
May 18, 2026
Certificate Expiration Date
May 17, 2028
Laboratory Director
CHAY B. UNG
Certificate Type
Certificate of Waiver
Certificate Type Description
This CLIA certificate is issued to Ungs Primary, 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.

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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 1023041621, 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 49. The final step is to find the difference between that total and the next multiple of ten (50 - 49 = 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
0
Unchanged
Pos 3
2
Doubled → 4
Pos 4
3
Unchanged
Pos 5
0
Doubled → 0
Pos 6
4
Unchanged
Pos 7
1
Doubled → 2
Pos 8
6
Unchanged
Pos 9
2
Doubled → 4
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 2 → 4 0 → 0 1 → 2 2 → 4

Step 2: Add all digits plus the NPI constant

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

2 + 0 + 4 + 3 + 0 + 4 + 2 + 6 + 4 + 24 = 49

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

The next multiple of ten after 49 is 50. The difference is the calculated check digit.

50 - 49 = 1
This NPI is valid
The calculated check digit is 1, which matches the last digit of 1023041621.

Other Providers at the Same Location


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

Podiatrist (Primary Podiatric Medicine)
10970 SHADOW CREEK PKWY, STE 260
PEARLAND, TX 77584
Internal Medicine (Medical Oncology)
10970 SHADOW CREEK PKWY, SUITE 280
PEARLAND, TX 77584
Chiropractor
10970 SHADOW CREEK PKWY, SUITE 250
PEARLAND, TX 77584
Family Medicine
10970 SHADOW CREEK PKWY, SUITE 360
PEARLAND, TX 77584
Emergency Medicine
10970 SHADOW CREEK PKWY
PEARLAND, TX 77584
Internal Medicine (Endocrinology, Diabetes & Metabolism)
10970 SHADOW CREEK PKWY, SUITE 270
PEARLAND, TX 77584
Clinic/Center (Medical Specialty)
10970 SHADOW CREEK PKWY, SUITE 270
PEARLAND, TX 77584
Dietitian, Registered
10970 SHADOW CREEK PKWY, SUITE 270
PEARLAND, TX 77584
Internal Medicine
10970 SHADOW CREEK PKWY, SUITE 120
PEARLAND, TX 77584
Internal Medicine
10970 SHADOW CREEK PKWY
PEARLAND, TX 77584
Internal Medicine
10970 SHADOW CREEK PKWY, SUITE 120
PEARLAND, TX 77584
Obstetrics & Gynecology
10970 SHADOW CREEK PKWY, SUITE NUMBER 250
PEARLAND, TX 77584
Obstetrics & Gynecology
10970 SHADOW CREEK PKWY, STE 350
PEARLAND, TX 77584
Surgery (Plastic and Reconstructive Surgery)
10970 SHADOW CREEK PKWY, STE 110
PEARLAND, TX 77584
Dietitian, Registered
10970 SHADOW CREEK PKWY, #270
PEARLAND, TX 77584
Emergency Medicine
10970 SHADOW CREEK PKWY
PEARLAND, TX 77584
Family Medicine
10970 SHADOW CREEK PKWY, SUITE 250
PEARLAND, TX 77584
Internal Medicine (Medical Oncology)
10970 SHADOW CREEK PKWY, SUITE 280
PEARLAND, TX 77584
Family Medicine
10970 SHADOW CREEK PKWY, PEARLAND EMERGENCY CENTER
PEARLAND, TX 77584
Emergency Medicine
10970 SHADOW CREEK PKWY
PEARLAND, TX 77584

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1023041621, enumerated as an "organization" on July 08, 2006.

The provider is located at 10970 SHADOW CREEK PKWY SUITE 250 PEARLAND, TX 77584 and the phone number is (713) 436-9475.

Clinic/Center with taxonomy code 261QP2300X and a focus in Primary Care.