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Internal Medicine

Alain Z. Tocatjian, MD

Works at hospitals in Sherman, TX · Texas

Summary

Dr. Alain Z. Tocatjian, MD is an internal medicine doctor at 1216 Hillcrest Dr, Sherman, TX 75092. Phone: (903) 957-0082. May accept Medicare assignment. In 2024, Alain Z. Tocatjian had 166 Original Medicare patients and 1,320 services. NPI 1740201011. 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: 1216 Hillcrest Dr, Sherman, TX 75092 · Directions (2 more locations)
  • Phone: (903) 957‑0082
  • Medicare: May accept Medicare assignment
  • Hospital: Wilson N Jones Regional Medical Center
  • Group practice: The Rehabilitation Center Therapeutic Solutions for Children and Adul (+1 more)
  • Medical school: graduated 1972 (54 years since medical school)
  • Gender (as listed): Male

From official Medicare data

This page shows what Medicare's official clinician data says about Alain Z. Tocatjian, 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 Alain Z. Tocatjian accept Medicare assignment?
Medicare's clinician data says Alain Z. Tocatjian may accept Medicare assignment (as of October 2, 2026). Ask the office whether they accept it for your visit.
How many Medicare patients does Alain Z. Tocatjian see?
In 2024, CMS data shows 166 Original Medicare patients and 1,320 services for Alain Z. Tocatjian. This counts Original Medicare only and measures volume, not quality.
What is Alain Z. Tocatjian's NPI number?
1740201011. 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 Alain Z. Tocatjian, 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 patients166
Services billed to Medicare1,320
Different services or procedures19
Participating Medicare providerYes
Average age of these patients73

Most frequent services

  1. Telehealth originating site facility fee (Q3014)517 services
  2. Telephone medical discussion with physician, 21-30 minutes (99443)288 services
  3. Administration of developmental test, first hour (96112)101 services
  4. Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more (99215)60 services
  5. Assessment of emotional or behavioral problems (96127)57 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%
  • Arthritis57%
  • Anxiety56%
  • Depression41%
  • Chronic kidney disease39%

Hospitals where Alain Z. Tocatjian works

Medicare's Facility Affiliation Data lists Alain Z. Tocatjian 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 Alain Z. Tocatjian is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Alain Z. Tocatjian as a member of these groups (CMS data updated October 2, 2026).

  • The Rehabilitation Center Therapeutic Solutions for Children and Adul21 clinicians in the group
  • DFW Physicians Medical Associates LLC15 clinicians in the group

Specialties

Find other Internal Medicine doctors in Texas →

Other internal medicine doctors in Sherman

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

All internal medicine doctors in Sherman →

Other clinicians in The Rehabilitation Center Therapeutic Solutions for Children and Adul

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

Clinician information

CredentialMD
Graduation year1972 (54 years since medical school)
Gender (as listed)Male
Medicare assignmentMay accept for some services
NPI (National Provider Identifier)1740201011
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