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Psychiatry

Olaniyi O. Olayinka, MD

Sees patients in Houston, TX · Texas

Summary

Dr. Olaniyi O. Olayinka, MD is a psychiatrist at 2800 S Macgregor Way, Harris County Psychiatric Ctr, Houston, TX 77021. Phone: (713) 741-4815. Accepts Medicare assignment. In 2024, Olaniyi O. Olayinka had 47 Original Medicare patients and 93 services. NPI 1356865208. Source: CMS National Downloadable File, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: Psychiatrist (Medicare lists Psychiatry)
  • Address: 2800 S Macgregor Way, Harris County Psychiatric Ctr, Houston, TX 77021 · Directions
  • Phone: (713) 741‑4815
  • Medicare: Accepts Medicare assignment
  • Group practice: UT Physicians
  • Medical school: graduated 2005 (21 years since medical school)
  • Gender (as listed): Male

From official Medicare data

This page shows what Medicare's official clinician data says about Olaniyi O. Olayinka, 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 Olaniyi O. Olayinka accept Medicare assignment?
Yes. Medicare's clinician data says Olaniyi O. Olayinka 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 Olaniyi O. Olayinka see?
In 2024, CMS data shows 47 Original Medicare patients and 93 services for Olaniyi O. Olayinka. This counts Original Medicare only and measures volume, not quality.
What is Olaniyi O. Olayinka's NPI number?
1356865208. 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 Olaniyi O. Olayinka, 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 patients47
Services billed to Medicare93
Different services or procedures8
Participating Medicare providerYes
Average age of these patients48

Most frequent services

  1. Hospital discharge day management, 30 minutes or less (99238)28 services
  2. Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes (99223)24 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).

  • Anxiety75%
  • High blood pressure74%
  • Depression74%
  • High cholesterol60%
  • Diabetes38%
  • Arthritis34%

Practice locations

Addresses where Olaniyi O. Olayinka is enrolled with Medicare (CMS data updated October 2, 2026).

  • 2800 S Macgregor Way, Harris County Psychiatric CtrHouston, TX 77021 (713) 741‑4815

Group practices

Medicare enrollment lists Olaniyi O. Olayinka as a member of this group (CMS data updated October 2, 2026).

  • UT Physicians1,765 clinicians in the group

Specialties

Find other Psychiatry doctors in Texas →

Other psychiatrists in Houston

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

All psychiatrists in Houston →

Other clinicians in UT Physicians

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

Clinician information

CredentialMD
Graduation year2005 (21 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1356865208
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