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Internal Medicine

Anusha Shirwaikar Thomas, MD

Sees patients in Houston, TX · Texas

Summary

Dr. Anusha Shirwaikar Thomas, MD is an internal medicine doctor at 1515 Holcombe Blvd, Houston, TX 77030. Phone: (713) 792-2121. Accepts Medicare assignment. In 2024, Anusha Shirwaikar Thomas had 224 Original Medicare patients and 364 services. NPI 1215371760. Source: CMS National Downloadable File, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: Internal medicine doctor (Medicare lists Internal Medicine)
  • Address: 1515 Holcombe Blvd, Houston, TX 77030 · Directions
  • Phone: (713) 792‑2121
  • Medicare: Accepts Medicare assignment
  • Group practice: Physicians Referral Service
  • Medical school: graduated 2012 (14 years since medical school)
  • Gender (as listed): Female
  • Telehealth: offered

From official Medicare data

This page shows what Medicare's official clinician data says about Anusha Shirwaikar Thomas, 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 Anusha Shirwaikar Thomas accept Medicare assignment?
Yes. Medicare's clinician data says Anusha Shirwaikar Thomas 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 Anusha Shirwaikar Thomas see?
In 2024, CMS data shows 224 Original Medicare patients and 364 services for Anusha Shirwaikar Thomas. This counts Original Medicare only and measures volume, not quality.
What is Anusha Shirwaikar Thomas's NPI number?
1215371760. 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 Anusha Shirwaikar Thomas, 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 patients224
Services billed to Medicare364
Different services or procedures32
Participating Medicare providerYes
Average age of these patients72

Most frequent services

  1. Removal of polyps or growths of large bowel using an endoscope with mechanical snare (45385)108 services
  2. Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope (43239)50 services
  3. Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more (99215)25 services
  4. Biopsy of large bowel using a flexible endoscope (45380)21 services
  5. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)20 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 cholesterol75%
  • High blood pressure74%
  • Cancer (breast, colorectal, lung, prostate, endometrial or leukemia/lymphoma)55%
  • Arthritis50%
  • Diabetes32%
  • Anxiety27%

Practice locations

Addresses where Anusha Shirwaikar Thomas is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Anusha Shirwaikar Thomas as a member of this group (CMS data updated October 2, 2026).

  • Physicians Referral Service2,765 clinicians in the group

Specialties

Find other Internal Medicine doctors in Texas →

Other internal medicine doctors in Houston

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

All internal medicine doctors in Houston →

Other clinicians in Physicians Referral Service

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

Clinician information

CredentialMD
Graduation year2012 (14 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1215371760
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. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  2. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  3. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  4. Medicare Care Compare — official Medicare tool to look up clinicians