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S RANGA NATHAN M.D,
NPI 1235326828
Internal Medicine - Gastroenterology in Humble, TX

Active since September 27, 2007PECOS EnrolledAccepts Medicare Assignment
9816 MEMORIAL BLVD, 206, HUMBLE, TX 77338(281) 446-8114(281) 446-1158 Get Directions Write a Review

NPPES record last updated: March 5, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About S Ranga Nathan M.d, NPPES

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

S RANGA NATHAN M.D, (NPI 1235326828) is an individual gastroenterology provider in Humble, Texas, licensed in Texas (F6190) and active in the NPI registry since September 2007. He is enrolled in Medicare PECOS, is affiliated with Memorial Hermann Northeast Hospital, and is a graduate of Howard University College Of Medicine (1977).

NPPES Registry Identity

NPI1235326828
Entity TypeIndividualMale
Primary Taxonomy207RG0100X
Provider Legal NameS RANGA NATHANCredential: M.D,
Location Address9816 MEMORIAL BLVD, 206Humble, TX 77338-4255
Mailing Address9816 Memorial Blvd Ste 206Humble, TX 77338-4206 · (281) 446-8114 · Fax (281) 446-1158
Phone(281) 446-8114
Fax(281) 446-1158
Sole ProprietorYes
Medical School CMSHoward University College Of MedicineGraduated 1977
Enumeration DateSeptember 27, 2007
Last NPPES UpdateMarch 5, 2026
NPPES CertifiedMarch 5, 2026
✔ NPI 1235326828 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · GastroenterologyAllopathic & Osteopathic Physicians
Taxonomy Code207RG0100X
License✔ Licensed in TX · F6190
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.
9816 MEMORIAL BLVD, Humble, TX 77338
Open in Google Maps ↗

Other Identifiers 1

Medicaid081671201TX

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 ›

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

S Ranga Nathan 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 ID3870552482
PECOS Enrollment IDI20111116000080
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.

Areas of Expertise CMS Part B claims 10

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.

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.
140 services84 patients
New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204
This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.
43 services43 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.
34 services34 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.
33 services33 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.
31 services30 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.
21 services21 patients

Hospital Affiliations CMS Care Compare

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

Memorial Hermann Northeast Hospital

Acute Care Hospitals · Humble, TX
2/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number450684
Location18951 Memorial NorthHumble, TX 77338 · Harris County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 77338 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 12

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

DR. YVETTE BATISTE MD
Family Medicine
9816 MEMORIAL BLVD, SUITE 102
HUMBLE, TX 77338
Harris County (281) 548-7822
ARCH DENTAL PC
Dentist (General Practice)
9816 MEMORIAL BLVD, SUITE 101
HUMBLE, TX 77338
Harris County (281) 446-6527
ARTHRITIS CLINIC OF CYPRESS AND KATY PA
Internal Medicine (Rheumatology)
9816 MEMORIAL BLVD, #209
HUMBLE, TX 77338
Harris County (281) 712-8360
DIGESTIVE DISEASE CONSULTANTS PA
Internal Medicine (Gastroenterology)
9816 MEMORIAL BLVD, #206
HUMBLE, TX 77338
Harris County (281) 446-8114
THAI D NGUYEN, MD, PA
Specialist
9816 MEMORIAL BLVD, SUITE 202
HUMBLE, TX 77338
Harris County (281) 446-7316
DR. BRIAN CHRISTOPHER PRATT D.D.S.
Dentist (General Practice)
9816 MEMORIAL BLVD, 101
HUMBLE, TX 77338
Harris County (281) 446-6527
SPI SCANNING LLC
Physiological Laboratory
9816 MEMORIAL BLVD, 207
HUMBLE, TX 77338
Harris County (888) 722-6774
MADAIAH REVANA MD PA
Internal Medicine (Interventional Cardiology)
9816 MEMORIAL BLVD, STE 107 STE 120 (TESTING)
HUMBLE, TX 77338
Harris County (281) 446-4638

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 S Nathan's NPI number?

The NPI number for S Nathan is 1235326828. It was assigned to this individual provider in the NPPES registry on September 27, 2007.

Where is S Nathan located?

S Nathan practices at 9816 Memorial Blvd 206, Humble, TX 77338. The listed phone number is (281) 446-8114.

What is S Nathan's specialty?

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

Is S Nathan enrolled in Medicare?

Yes. S Nathan 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.

What insurance does S Nathan accept?

Health plans from Ambetter Health, Ambetter from Arizona Complete Health, Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections and Ambetter from Superior HealthPlan and 5 other insurers list S Nathan 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 S Nathan affiliated with any hospitals?

According to CMS data, S Nathan is affiliated with Memorial Hermann Northeast Hospital.

When was this NPI record last updated?

The NPPES record for S Nathan was last updated on March 5, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.