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Internal Medicine

Jill M. Lagaso, MD

Works at hospitals in Tulsa, OK · Oklahoma

Summary

Dr. Jill M. Lagaso, MD is an internal medicine doctor at 10502 N 110th E Ave, Bailey Medical Center, Owasso, OK 74055. Phone: (918) 579-2300. Accepts Medicare assignment. In 2024, Jill M. Lagaso had 228 Original Medicare patients and 691 services. NPI 1841457470. 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: 10502 N 110th E Ave, Bailey Medical Center, Owasso, OK 74055 · Directions (1 more location)
  • Phone: (918) 579‑2300
  • Medicare: Accepts Medicare assignment
  • Hospital: Hillcrest Medical Center
  • Group practice: Tulsa Hospital Medicine Physicians Group, LLC
  • Medical school: graduated 2004 (22 years since medical school)
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Jill M. Lagaso, 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 Jill M. Lagaso accept Medicare assignment?
Yes. Medicare's clinician data says Jill M. Lagaso 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 Jill M. Lagaso see?
In 2024, CMS data shows 228 Original Medicare patients and 691 services for Jill M. Lagaso. This counts Original Medicare only and measures volume, not quality.
What is Jill M. Lagaso's NPI number?
1841457470. 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 Jill M. Lagaso, 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 patients228
Services billed to Medicare691
Different services or procedures9
Participating Medicare providerYes
Average age of these patients77

Most frequent services

  1. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)402 services
  2. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)135 services
  3. Hospital discharge day management, more than 30 minutes (99239)95 services
  4. Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes (99223)48 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%
  • Arthritis75%
  • Depression54%
  • Diabetes46%
  • Ischemic heart disease46%

Hospitals where Jill M. Lagaso works

Medicare's Facility Affiliation Data lists Jill M. Lagaso 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.

  • Hillcrest Medical CenterTulsa, OK · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 370001

Practice locations

Addresses where Jill M. Lagaso is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Jill M. Lagaso as a member of this group (CMS data updated October 2, 2026).

  • Tulsa Hospital Medicine Physicians Group, LLC137 clinicians in the group

Specialties

Find other Internal Medicine doctors in Oklahoma →

Other internal medicine doctors in Owasso

Clinicians with the same Medicare primary specialty in Owasso, OK — not a recommendation.

All internal medicine doctors in Owasso →

Other clinicians in Tulsa Hospital Medicine Physicians Group, LLC

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

Clinician information

CredentialMD
Graduation year2004 (22 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1841457470
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