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Internal Medicine

Oluwatosin L. Ajao, MD

Sees patients in Houston, TX · Texas

Summary

Dr. Oluwatosin L. Ajao, MD is an internal medicine doctor at 1635 N Loop W, Houston, TX 77008. Phone: (713) 867-2066. Accepts Medicare assignment. In 2024, Oluwatosin L. Ajao had 178 Original Medicare patients and 443 services. NPI 1063858348. 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: 1635 N Loop W, Houston, TX 77008 · Directions (3 more locations)
  • Phone: (713) 867‑2066
  • Medicare: Accepts Medicare assignment
  • Group practice: Memorial Hermann Medical Group
  • Medical school: graduated 2005 (21 years since medical school)
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Oluwatosin L. Ajao, 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 Oluwatosin L. Ajao accept Medicare assignment?
Yes. Medicare's clinician data says Oluwatosin L. Ajao 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 Oluwatosin L. Ajao see?
In 2024, CMS data shows 178 Original Medicare patients and 443 services for Oluwatosin L. Ajao. This counts Original Medicare only and measures volume, not quality.
What is Oluwatosin L. Ajao's NPI number?
1063858348. 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 Oluwatosin L. Ajao, 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 Medicare443
Different services or procedures9
Participating Medicare providerYes
Average age of these patients75

Most frequent services

  1. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)273 services
  2. Hospital discharge day management, more than 30 minutes (99239)78 services
  3. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)25 services
  4. Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes (99223)23 services
  5. Advance care planning, first 30 minutes (99497)23 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%
  • Chronic kidney disease61%
  • Arthritis53%
  • Diabetes50%
  • Ischemic heart disease47%

Practice locations

Addresses where Oluwatosin L. Ajao is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Oluwatosin L. Ajao as a member of this group (CMS data updated October 2, 2026).

  • Memorial Hermann Medical Group762 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 Memorial Hermann Medical Group

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)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1063858348
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