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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

COASTAL GASTROENTEROLOGY ASSOCIATES, PA
NPI 1043312515
Internal Medicine - Gastroenterology in Webster, TX

Active since September 03, 2006CLIA 45D2310026 · Certificate of Compliance
1015 W MEDICAL CENTER BLVD STE 1400, WEBSTER, TX 77598(281) 557-2527(281) 557-7203 Get Directions Write a Review

NPPES record last updated: June 15, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Coastal Gastroenterology Associates, Pa NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

COASTAL GASTROENTEROLOGY ASSOCIATES, PA (NPI 1043312515) is a healthcare organization registered as a gastroenterology in Webster, Texas and active in the NPI registry since September 2006. The organization holds a CLIA Certificate of Compliance certificate valid through February 2, 2027 and lists Advitya Nonesupplied Malhotra, Owner, as its authorized official.

NPPES Registry Identity

NPI1043312515
Entity TypeOrganization
Primary Taxonomy207RG0100X
Legal Business NameCOASTAL GASTROENTEROLOGY ASSOCIATES, PA
Location Address1015 W MEDICAL CENTER BLVD STE 1400Webster, TX 77598-4055
Mailing Address1015 W Medical Center Blvd Ste 1400Webster, TX 77598-4055 · (281) 557-2527 · Fax (281) 557-7203
Phone(281) 557-2527
Fax(281) 557-7203
Organization SubpartNo
Authorized OfficialAdvitya Nonesupplied MalhotraOwner · (281) 557-2527
Enumeration DateSeptember 3, 2006
Last NPPES UpdateJune 15, 2026
NPPES CertifiedJune 15, 2026
✔ NPI 1043312515 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · GastroenterologyAllopathic & Osteopathic Physicians
Taxonomy Code207RG0100X
Definition
An internist who specializes in diagnosis and treatment of diseases of the digestive organs including the stomach, bowels, liver and gallbladder. This specialist treats conditions such as abdominal pain, ulcers, diarrhea, cancer and jaundice and performs complex diagnostic and therapeutic procedures using endoscopes to visualize internal organs.
1015 W MEDICAL CENTER BLVD STE 1400, Webster, TX 77598
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Other Identifiers 7

Other2226780TX · Bcbs - Tx - Blue Link Id
Other5283Rr Mcr Group Number
Other4102895Aetna
OtherP00440059Rr Mcr
Other1164493870Npi - Individual
OtherB26780Mcr Upin - Individual
Other114758902TX · Thmp - Dr. Subramanyam

Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Arizona Complete Health, Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections and more.Insurance ›

CLIA Laboratory Certificates CMS CLIA

Laboratory certificates issued under the Clinical Laboratory Improvement Amendments (CLIA) program, which sets federal quality standards for human laboratory testing in the United States. There is no official CMS crosswalk between CLIA and NPI numbers; these certificates are associated with this NPI by matching facility names, locations and phone numbers in the CMS CLIA registry.

Certificate of Compliance 45D2310026

Coastal Gastroenterology Associates · Webster, TX
Active · expires Feb 2, 2027
CLIA Number45D2310026
Laboratory TypePhysician Office
Certificate Effective DateFebruary 3, 2025
Certificate Expiration DateFebruary 2, 2027
Laboratory DirectorKarla Perrizo
Laboratory Phone(281) 557-2527
Laboratory LocationCoastal Gastroenterology Associates1015 W Medical Center Blvd, Ste 1400, Webster, TX 77598
CLIA data matches this NPI record on: Address Name Phone
This certificate is issued to a laboratory after an inspection that finds the laboratory to be in compliance with all applicable CLIA requirements.

Other Providers at the Same Location NPPES 3

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

DR. MONIDER SINGH MD,MBA
Internal Medicine (Gastroenterology)
1015 W MEDICAL CENTER BLVD STE 1400
WEBSTER, TX 77598
Harris County (281) 557-2527
DR. ADVITYA NONESUPPLIED MALHOTRA M.D.
Internal Medicine (Gastroenterology)
1015 W MEDICAL CENTER BLVD STE 1400
WEBSTER, TX 77598
Harris County (281) 557-2527
MAHVISH KHALID MD
Internal Medicine (Gastroenterology)
1015 W MEDICAL CENTER BLVD STE 1400
WEBSTER, TX 77598
Harris County (630) 346-9227

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Coastal Gastroenterology Associates, PA's NPI number?

The NPI number for Coastal Gastroenterology Associates, PA is 1043312515. It was assigned to this organization in the NPPES registry on September 3, 2006.

Where is Coastal Gastroenterology Associates, PA located?

Coastal Gastroenterology Associates, PA is located at 1015 W Medical Center Blvd Ste 1400, Webster, TX 77598. The listed phone number is (281) 557-2527.

What is Coastal Gastroenterology Associates, PA's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.

Does Coastal Gastroenterology Associates, PA hold a CLIA laboratory certificate?

Yes. A Certificate of Compliance (number 45D2310026) is associated with this NPI, valid through February 2, 2027. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.

What insurance does Coastal Gastroenterology Associates, PA accept?

Health plans from Ambetter from Arizona Complete Health, Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections, Ambetter from Superior HealthPlan and Ambetter of Oklahoma and 1 other insurer list Coastal Gastroenterology Associates, PA as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Coastal Gastroenterology Associates, PA was last updated on June 15, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 53 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.