DR. SAMIR KUMAR NATH M.D
NPI 1386660876
Internal Medicine - Gastroenterology in Baytown, TX

Q: What is Samir Nath's NPI number?

The NPI number for Samir Nath is 1386660876. It was assigned to this individual provider in the NPPES registry on July 15, 2006.

Q: What is Samir Nath's specialty?

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

Q: When was this NPI record last updated?

The NPPES record for Samir Nath was last updated on August 18, 2016. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 years 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 July 15, 2006PECOS EnrolledAccepts Medicare Assignment

4002 GARTH RD, SUITE 120, BAYTOWN, TX 77521(281) 422-7970(281) 422-7960 Get Directions Write a Review

NPPES record last updated: August 18, 2016. Verified against the NPPES registry weekly; last sync: October 25, 2026.

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About Dr. Samir Kumar Nath M.d NPPES

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

DR. SAMIR KUMAR NATH M.D (NPI 1386660876) is an individual gastroenterology provider in Baytown, Texas, licensed in Texas (L8858) and active in the NPI registry since July 2006. He is enrolled in Medicare PECOS, is affiliated with Houston Methodist Baytown Hospital, and is a graduate of Other (1980).

NPPES Registry Identity

NPI1386660876

Entity TypeIndividualMale

Primary Taxonomy207RG0100X

Provider Legal NameDR. SAMIR KUMAR NATHCredential: M.D

Location Address4002 GARTH RD, SUITE 120Baytown, TX 77521-3180

Mailing Address4002 Garth Rd, Suite 120Baytown, TX 77521-3180 · (281) 422-7970 · Fax (281) 422-7960

Phone(281) 422-7970

Fax(281) 422-7960

Sole ProprietorYes

Medical School CMSOtherGraduated 1980

Enumeration DateJuly 15, 2006

Last NPPES UpdateAugust 18, 2016

✔ NPI 1386660876 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal Medicine · GastroenterologyAllopathic & Osteopathic Physicians

Taxonomy Code207RG0100X

License✔ Licensed in TX · L8858

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.

Also ListedInternal Medicine · HepatologyTaxonomy 207RI0008X · License L8858 (TX)

4002 GARTH RD, Baytown, TX 77521

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Other Identifiers 7

Medicare UPINH65369TX

Medicare PIN481234YMVQTX

Medicaid151784905TX

Medicaid151784904TX

Other8FX326TX · Blue Cross Blue Shield

Other8FT109TX · Blue Cross Blue Shield

Medicare PIN481234ZSWDTX

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include WellPoint.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Samir Kumar Nath M.d 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 ID1658372172

PECOS Enrollment IDI20070126000272

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.

Medicare Billing Reassignments

Medicare enrollment records show Samir Nath reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Tmh Physician Associates PLLC

26 mi

Ophthalmology

6550 FANNIN ST, SUITE 447
Houston, TX 77030

Reassigned Medicare billing, Texas enrollment
2,407 clinicians in this Medicare group

NPI 1275779225 (713) 441-7389

Houston Methodist Specialty Physicians

26 mi

Otolaryngology

7550 GREENBRIAR DR STE 600
Houston, TX 77030

Reassigned Medicare billing, Texas enrollment
1,579 clinicians in this Medicare group

NPI 1902614332 (281) 414-6055

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 12

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232

Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.

201 services92 patients

New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more 99203

This service involves an initial office or outpatient visit for a new patient. The healthcare professional will spend 30-44 minutes understanding your health history, current issues, and discussing possible treatment plans. It's a comprehensive evaluation to start your healthcare journey.

103 services103 patients

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214

This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.

81 services72 patients

Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 43239

This procedure involves using a thin, flexible tube with a light and camera, known as an endoscope, to examine the esophagus, stomach, and upper part of the small intestine. Small tissue samples are taken for further examination to help diagnose various conditions.

80 services80 patients

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213

This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.

71 services58 patients

Initial hospital care with straightforward or low level of medical decision making, per day, if using time, at least 40 minutes 99221

Initial hospital inpatient care refers to the first day of your stay in the hospital. This service typically includes a 30-minute check-up with a healthcare professional. They'll assess your health, discuss your condition, and plan your treatment. It's part of ensuring you receive the best possible care.

69 services64 patients

Biopsy of large bowel using a flexible endoscope 45380

A biopsy of the large bowel using a flexible endoscope is a procedure where a thin, flexible tube with a camera is inserted through the rectum to examine the bowel. If abnormal tissue is found, a small sample is taken for further examination. This helps in diagnosing conditions like inflammation, polyps, or cancer.

45 services44 patients

Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 99222

Initial hospital inpatient care is a service where a healthcare provider spends about 50 minutes per day overseeing your care while you're admitted in the hospital. This includes reviewing your health status, planning your treatment, and ensuring your safety and comfort.

38 services38 patients

Diagnostic exam of large bowel using a flexible endoscope 45378

This procedure, known as a colonoscopy, involves using a flexible tube with a light and camera to examine the large intestine. It helps detect any abnormalities such as polyps or inflammation. It's a standard procedure to ensure gut health.

21 services19 patients

Colorectal cancer screening; colonoscopy on individual at high risk G0105

Colorectal cancer screening, specifically a colonoscopy, is a preventive measure for those at high risk. A thin, flexible tube with a camera inspects the colon to spot any abnormal growths. This test helps detect potential issues early, enhancing the effectiveness of treatment.

15 services15 patients

Removal of polyps or growths of large bowel using an endoscope with mechanical snare 45385

This procedure involves using a thin, flexible tube called an endoscope to examine the large bowel. If any abnormal growths or polyps are found, a tool called a mechanical snare is used to remove them. This is a common method to prevent potential health issues.

12 services12 patients

Measurement of hydrogen in breath to test for stomach and bowel symptoms 91065

This test involves breathing into a bag to measure hydrogen levels in your breath. High levels can indicate issues with food digestion or absorption in your stomach or intestines. It's non-invasive, painless, and helps diagnose certain gastrointestinal conditions.

12 services12 patients

Hospital Affiliations CMS Care Compare

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

Houston Methodist Baytown Hospital

Acute Care Hospitals · Baytown, TX

5/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number450424

Location4401 Garth RoadBaytown, TX 77521 · Harris County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 77521 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

$134.06 typical visit price

range $58.24 – $176.98

Typical copayment $33.51 (range $14.56 – $44.24)

Most-billed visit code 99204

Established Patient

$102.71 typical visit price

range $18.60 – $143.93

Typical copayment $25.67 (range $4.65 – $35.98)

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.

Other Providers at the Same Location NPPES 4

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

OCCUPATIONAL HEALTH CENTERS OF THE SOUTHWEST, P.A.

Clinic/Center (Occupational Medicine)

4002 GARTH RD, SUITE 130
BAYTOWN, TX 77521

Harris County (281) 420-6521

AMERICAN CURRENT CARE, PA

Clinic/Center (Urgent Care)

4002 GARTH RD, SUITE 130
BAYTOWN, TX 77521

Harris County (281) 420-6521

LUDIE HERNANDEZ-BUCK M.D.

Internal Medicine (Gastroenterology)

4002 GARTH RD
BAYTOWN, TX 77521

Harris County (281) 422-7970

DR. SARMA S CHALLA M.D.

Internal Medicine (Cardiovascular Disease)

4002 GARTH RD, SUITE 100
BAYTOWN, TX 77521

Harris County (281) 420-2391

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 Samir Nath's NPI number?

The NPI number for Samir Nath is 1386660876. It was assigned to this individual provider in the NPPES registry on July 15, 2006.

Where is Samir Nath located?

Samir Nath practices at 4002 Garth Rd Suite 120, Baytown, TX 77521. The listed phone number is (281) 422-7970.

What is Samir Nath's specialty?

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

Is Samir Nath enrolled in Medicare?

Yes. Samir Nath is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organizations bill Medicare for Samir Nath's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Samir Nath reassigns Medicare benefits to 2 organizations: Tmh Physician Associates PLLC (Houston, TX) and Houston Methodist Specialty Physicians (Houston, TX). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Samir Nath's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Samir Nath accept?

Health plans from WellPoint list Samir Nath 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.

Is Samir Nath affiliated with any hospitals?

According to CMS data, Samir Nath is affiliated with Houston Methodist Baytown Hospital.

When was this NPI record last updated?

The NPPES record for Samir Nath was last updated on August 18, 2016. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 years 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.