JASON GNASIGAMANY DO
NPI 1598388308
Internal Medicine - Nephrology in Longview, TX

Q: What is Jason Gnasigamany's NPI number?

The NPI number for Jason Gnasigamany is 1598388308. It was assigned to this individual provider in the NPPES registry on May 27, 2020.

Q: What is Jason Gnasigamany's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Nephrology, with taxonomy code 207RN0300X.

Q: When was this NPI record last updated?

The NPPES record for Jason Gnasigamany was last updated on July 3, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 months 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.

Active since May 27, 2020PECOS EnrolledAccepts Medicare Assignment

3535 N FOURTH ST STE 301, LONGVIEW, TX 75605(903) 234-9992(903) 234-8287 Get Directions Write a Review

NPPES record last updated: July 3, 2025. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Jul 3, 2025, Oct 23, 2023, May 27, 2020 (3 updates tracked since 2020).

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About Jason Gnasigamany Do NPPES

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

JASON GNASIGAMANY DO (NPI 1598388308) is an individual nephrology provider in Longview, Texas, licensed in Texas (V7890) and active in the NPI registry since May 2020. He is enrolled in Medicare PECOS, is affiliated with Christus Good Shepherd Medical Center, and is a graduate of University Of Texas Medical School At San Antonio (2015).

NPPES Registry Identity

NPI1598388308

Entity TypeIndividualMale

Primary Taxonomy207RN0300X

Provider Legal NameJASON GNASIGAMANYCredential: DO

Location Address3535 N FOURTH ST STE 301Longview, TX 75605-0037

Mailing Address3535 N Fourth St Ste 301Longview, TX 75605-0037 · (903) 234-9992 · Fax (903) 234-8287

Phone(903) 234-9992

Fax(903) 234-8287

Sole ProprietorNo

Medical School CMSUniversity Of Texas Medical School At San AntonioGraduated 2015

Enumeration DateMay 27, 2020

Last NPPES UpdateJuly 3, 20253 updates tracked since enumeration

NPPES CertifiedJuly 3, 2025

✔ NPI 1598388308 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · NephrologyAllopathic & Osteopathic Physicians

Taxonomy Code207RN0300X

License✔ Licensed in TX · V7890

Definition

An internist who treats disorders of the kidney, high blood pressure, fluid and mineral balance and dialysis of body wastes when the kidneys do not function. This specialist consults with surgeons about kidney transplantation.

3535 N FOURTH ST STE 301, Longview, TX 75605

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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross and Blue Shield of Texas.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Jason Gnasigamany Do is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID6002314556

PECOS Enrollment IDI20250813001383, I20260317004257

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Hospital Affiliations CMS Care Compare 3

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Christus Good Shepherd Medical Center

Acute Care Hospitals · Longview, TX

3/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number450032

Location700 E Marshall AveLongview, TX 75601 · Gregg County

Emergency services Birthing friendly

Titus Regional Medical Center

Acute Care Hospitals · Mount Pleasant, TX

2/5 CMS rating

OwnershipGovernment - Hospital District or Authority

CMS Certification Number450080

Location2001 N JeffersonMount Pleasant, TX 75455 · Titus County

Emergency services Birthing friendly

Longview Regional Medical Center

Acute Care Hospitals · Longview, TX

2/5 CMS rating

OwnershipProprietary

CMS Certification Number450702

Location2901 N Fourth StLongview, TX 75605 · Gregg County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 75605 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$126.40 typical visit price

range $54.84 – $166.88

Typical copayment $31.60 (range $13.71 – $41.72)

Most-billed visit code 99204

Established Patient

$97.05 typical visit price

range $17.52 – $136.11

Typical copayment $24.26 (range $4.38 – $34.02)

Most-billed visit code 99214

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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Other Providers at the Same Location NPPES 7

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

DR. CHINMAY P PATEL MD

Internal Medicine (Nephrology)