S Nathan, M.D,
NPI 1235326828 · Gastroenterology Physician · Humble, TX
Enrolled with Medicare as Practitioner - Gastroenterology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
S Nathan, M.D, is a Gastroenterology Physician provider in Humble, TX (NPI 1235326828).
Provider details
- NPI number
- 1235326828
- Entity type
- Individual
- Primary specialty
- Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D,
- Sex
- Male
- Sole proprietor
- Yes
- License
- F6190 (TX)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
18 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
370 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 140 | $112 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 43 | $163 |
| Removal of Polyps Or Growths of Large Bowel Using an Endoscope With Mechanical Snare45385 | 34 | $254 |
| New Patient Office Or Other Outpatient Visit With Low Level of Medical Decision Making, If Using Time, 30 Minutes Or More99203 | 33 | $104 |
| Biopsy of Esophagus, Stomach, And/Or Upper Small Bowel Using a Flexible Endoscope43239 | 31 | $110 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 9 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Pantoprazole Sodium | 63 | 40 |
| Metformin Hclbrand: Metformin Hcl Er | 46 | 27 |
| Liothyronine Sodium | 26 | — |
| Thyroid,porkbrand: NP Thyroid | 25 | — |
| Semaglutidebrand: Ozempic | 25 | — |
| Estradiolbrand: Estradiol (twice Weekly) | 22 | — |
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-09-27
- Last updated
- 2026-03-05
- Certified
- 2026-03-05
Frequently asked questions
- What is S Nathan's NPI number?
- S Nathan's National Provider Identifier (NPI) is 1235326828, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is S Nathan's specialty?
- S Nathan is listed in the NPPES registry with a primary specialty of Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is S Nathan located?
- S Nathan's practice location on file with NPPES is 9816 Memorial Blvd, Humble, TX 77338-4255.
- What is S Nathan's phone number?
- The practice phone number listed in the NPPES registry for S Nathan is (281) 446-8114.
- Does S Nathan accept Medicare?
- S Nathan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is S Nathan's NPI active?
- Yes — S Nathan's NPI (1235326828) is active in the NPPES registry as of the last update on 2026-03-05.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.