Medical emergency?Emergency? Call 911. Nearest emergency roomsNearest ERs

Certified Clinical Nurse Specialist (CNS)

Martha J. Cahalen, CNS

Works at hospitals in Tulsa, OK · Oklahoma

Summary

Martha J. Cahalen, CNS is a clinical nurse specialist at 1120 S Utica Ave, Tulsa, OK 74104. Phone: (918) 592-0999. Accepts Medicare assignment. In 2024, Martha J. Cahalen had 26 Original Medicare patients and 31 services. NPI 1417027780. 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.

From official Medicare data

This page shows what Medicare's official clinician data says about Martha J. Cahalen, 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 Martha J. Cahalen accept Medicare assignment?
Yes. Medicare's clinician data says Martha J. Cahalen 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 Martha J. Cahalen see?
In 2024, CMS data shows 26 Original Medicare patients and 31 services for Martha J. Cahalen. This counts Original Medicare only and measures volume, not quality.
What is Martha J. Cahalen's NPI number?
1417027780. 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 Martha J. Cahalen, 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 patients26
Services billed to Medicare31
Different services or procedures5
Participating Medicare providerYes
Average age of these patients76

Most frequent services

  1. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)19 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%
  • Ischemic heart disease75%
  • Heart failure75%
  • Diabetes73%
  • Chronic kidney disease69%

Hospitals where Martha J. Cahalen works

Medicare's Facility Affiliation Data lists Martha J. Cahalen 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 Hospital SouthTulsa, OK · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 370202
  • Hillcrest Medical CenterTulsa, OK · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 370001

Practice locations

Addresses where Martha J. Cahalen is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Martha J. Cahalen as a member of this group (CMS data updated October 2, 2026).

  • Ahs Oklahoma Heart LLC132 clinicians in the group

Specialties

Find other clinicians: Certified Clinical Nurse Specialist (CNS), Oklahoma →

Other clinical nurse specialists in Tulsa

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

All clinical nurse specialists in Tulsa →

Other clinicians in Ahs Oklahoma Heart LLC

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

Clinician information

CredentialCNS
Graduation year1970
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1417027780
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