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Internal Medicine

Seyed Ebrahim Kassaian, MD

Sees patients in Houston, TX · Texas

Summary

Dr. Seyed Ebrahim Kassaian, MD is an internal medicine doctor at 1504 Taub Loop, Houston, TX 77030. Phone: (713) 873-2000. Accepts Medicare assignment. In 2024, Seyed Ebrahim Kassaian had 178 Original Medicare patients and 658 services. NPI 1538629324. 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: 1504 Taub Loop, Houston, TX 77030 · Directions
  • Phone: (713) 873‑2000
  • Medicare: Accepts Medicare assignment
  • Group practice: Baylor College of Medicine
  • Medical school: graduated 1994 (32 years since medical school)
  • Gender (as listed): Male

From official Medicare data

This page shows what Medicare's official clinician data says about Seyed Ebrahim Kassaian, 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 Seyed Ebrahim Kassaian accept Medicare assignment?
Yes. Medicare's clinician data says Seyed Ebrahim Kassaian 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 Seyed Ebrahim Kassaian see?
In 2024, CMS data shows 178 Original Medicare patients and 658 services for Seyed Ebrahim Kassaian. This counts Original Medicare only and measures volume, not quality.
What is Seyed Ebrahim Kassaian's NPI number?
1538629324. 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 Seyed Ebrahim Kassaian, 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 patients178
Services billed to Medicare658
Different services or procedures25
Participating Medicare providerYes
Average age of these patients73

Most frequent services

  1. Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more (99215)186 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)120 services
  3. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)96 services
  4. Prolonged office or other outpatient evaluation and management service(s) beyond the maximum required time of the primary procedure which has been selected using total time on the date of the primary service; each additional 15 minutes by the physician or (G2212)81 services
  5. Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report (93000)37 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%
  • Arthritis63%
  • Diabetes50%
  • Chronic kidney disease46%
  • Ischemic heart disease43%

Practice locations

Addresses where Seyed Ebrahim Kassaian is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Seyed Ebrahim Kassaian as a member of this group (CMS data updated October 2, 2026).

  • Baylor College of Medicine809 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 Baylor College of Medicine

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

Clinician information

CredentialMD
Graduation year1994 (32 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1538629324
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