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Internal Medicine

Mahendra G. Jain, MD

Works at hospitals in Nassau Bay, TX · Houston, TX · Texas

Summary

Dr. Mahendra G. Jain, MD is an internal medicine doctor at 16605 Southwest Fwy, Sugar Land, TX 77479. Phone: (281) 275-0800. Accepts Medicare assignment. In 2024, Mahendra G. Jain had 248 Original Medicare patients and 1,058 services. NPI 1063414985. Source: CMS National Downloadable File, updated October 2, 2026; CMS Facility Affiliation Data, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: Internal medicine doctor (Medicare lists Internal Medicine)
  • Address: 16605 Southwest Fwy, Sugar Land, TX 77479 · Directions (6 more locations)
  • Phone: (281) 275‑0800
  • Medicare: Accepts Medicare assignment
  • Hospitals: Houston Methodist Clear Lake Hospital, Houston Methodist Hospital
  • Group practice: TMH Physician Associates PLLC
  • Medical school: Baylor College Of Medicine · graduated 1994 (32 years since medical school)
  • Gender (as listed): Male
  • Telehealth: offered

From official Medicare data

This page shows what Medicare's official clinician data says about Mahendra G. Jain, joined by NPI number (data updated October 2, 2026). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

Quick answers

Does Mahendra G. Jain accept Medicare assignment?
Yes. Medicare's clinician data says Mahendra G. Jain accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
How many Medicare patients does Mahendra G. Jain see?
In 2024, CMS data shows 248 Original Medicare patients and 1,058 services for Mahendra G. Jain. This counts Original Medicare only and measures volume, not quality.
What is Mahendra G. Jain's NPI number?
1063414985. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Medicare activity in 2024

Official CMS public-use data for Mahendra G. Jain, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.

Original Medicare patients248
Services billed to Medicare1,058
Different services or procedures30
Participating Medicare providerYes
Average age of these patients76

Most frequent services

  1. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)423 services
  2. Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient's (G2211)192 services
  3. Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (G0439)162 services
  4. Administration of influenza virus vaccine (G0008)53 services
  5. Influenza vaccine split virus, preservative free (90662)52 services

Chronic conditions among these patients

Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).

  • High blood pressure75%
  • High cholesterol75%
  • Arthritis44%
  • Diabetes34%
  • Ischemic heart disease34%
  • Chronic kidney disease29%

Hospitals where Mahendra G. Jain works

Medicare's Facility Affiliation Data lists Mahendra G. Jain at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.

Practice locations

Addresses where Mahendra G. Jain is enrolled with Medicare (CMS data updated October 2, 2026). The first 5 of 7; the Medicare profile lists all.

Group practices

Medicare enrollment lists Mahendra G. Jain as a member of this group (CMS data updated October 2, 2026).

  • TMH Physician Associates PLLC1,690 clinicians in the group

Specialties

Find other Internal Medicine doctors in Texas →

Other internal medicine doctors in Sugar Land

Clinicians with the same Medicare primary specialty in Sugar Land, TX — not a recommendation.

All internal medicine doctors in Sugar Land →

Other clinicians in TMH Physician Associates PLLC

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

Clinician information

CredentialMD
Medical schoolBaylor College Of Medicine
Graduation year1994 (32 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1063414985
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
  2. Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
  3. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  4. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  5. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  6. Medicare Care Compare — official Medicare tool to look up clinicians