DR. STEPHEN J HALLIDAY (M.D., MSCI) – Pulmonary Disease Physician, NPI 1154612554

DR. STEPHEN J HALLIDAY (M.D., MSCI) is a healthcare provider. based in Columbia, Tennessee. specializing in PULMONARY DISEASE, CRITICAL CARE (INTENSIVISTS), CRITICAL CARE (INTENSIVISTS). They hold the professional credentials M.D., MSCI. They hold a License No. 50581 (TN). The NPI Number for DR. STEPHEN J HALLIDAY (M.D., MSCI) is 1154612554

Main info

Male
15 Years Of Experience
Accepts Medicare Assignment
Name
DR. STEPHEN J HALLIDAY (M.D., MSCI)
NPI
1154612554
Phone
(931) 381-1111
Address
1224 Trotwood Ave
Enumeration Date
20 April 2011
Last Update Date
13 January 2021

Doctor Profile

Medical School Name
UNIVERSITY OF TEXAS MEDICAL SCHOOL AT SAN ANTONIO
Secondary Phone
8155996000
Graduation Year
2011 (15 years ago)
PAC ID
0941502785
Group Practice PAC ID
8426958232
Professional Enrollment ID
I20230109002817
Address ID
IL610324864FR1045XSTXX400
Telehealth
Yes

Contacts

Secure Messaging
shalliday1056250@direct.uwhealth.org
Data current as of
20 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience73
Completeness85
Years active:15State licenses:2Other namesUpdated within 12 months

436 PULMONARY DISEASE in TN

Provider Addresses for DR. STEPHEN J HALLIDAY (M.D., MSCI)

  • 1224 Trotwood Ave

    Columbia, TN 384014802

    Phone: (931) 381-1111

    Type: Location

  • 600 HIGHLAND AVE

    MADISON, WI 53792

    Phone: (608) 263-6400

    Type: Location

  • 7974 UW HEALTH CT

    MIDDLETON, WI 535625531

    Phone:

    Type: Mailing

NPPES updates history

No NPPES updates recorded for this provider.

Prescription Activity

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Open Payments (CMS)

CMS reports 15 Open Payments records for all available years, with a total value of $10,674.

Total Amount is formed as General ($10,674) + Research ($0) + Ownership ($0) = $10,674.

Last reported payment date: 2024-05-21 • Largest payer in this snapshot: Intuitive Surgical, Inc. ($10,289).

Total Amount

$10,674

General + Research + Ownership

Payments

15

Total payment records

General Amount

$10,674

General payments

Research Amount

$0

Research funding

Ownership Amount

$0

Ownership interests

Ownership Count

0

Ownership records

Last Payment Date

2024-05-21

Latest reported date

Top Companies

Largest payers in this snapshot

View all Open Payments →|Open Payments Risk Radar →

Medicare Enrollment & Revalidation

Source: CMS public data · Not endorsed by CMS ·

Educational use only—not medical, billing, or legal advice.

PECOS enrollment status

Participating (accepts Medicare assignment)

Enrollment effective: 2023-01-09

PECOS data refreshed: 2026-05-27

Medicare revalidation (CMS due date list)

Due date not assigned yet

CMS is tracking 3 Medicare enrollment records; no due dates published yet.

Enrollment records

3

Earliest due date

Not assigned (TBD)

CMS data updated

2026-06-01

Revalidation progress

  1. Medicare enrolled
  2. On CMS revalidation list
  3. Due date assigned
  4. Revalidate in PECOS

CMS enrollment records

Enrollment IDTypeSpecialtyStateDue date
I20171006000895IInternal MedicineTNTBD
I20190715002315IPulmonary DiseaseWITBD
I20230109002817ICritical Care (Intensivists)ILTBD

What to do next

  • No action required while the due date shows TBD.
  • Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
  • Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.

Verify on CMS Revalidation Lookup Tool

Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS

Medicare Utilization (FFS)

Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·

Educational use only—not medical, billing, or legal advice.

Top Medicare procedures (2023) · refreshed 2026-05-27

HCPCSDescriptionServicesBeneficiariesMedicare allowed
99233Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes5325$0
99214Established patient office or other outpatient visit, 30-39 minutes3934$0
94618Test for exercise-induced lung stress3327$0
99215Established patient office or other outpatient visit, 40-54 minutes3128$0
99232Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes3120$0
View full utilization report →

Insurance plans in this area (ZIP 38401)

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Group practice members

Group practice members are other physicians who share the same Group Practice PAC ID with this doctor. When doctors form a group practice and register in PECOS as a single entity, they receive a shared identification number. This table lists all providers in the same group practice.
PAC ID: 8426958232View full group profile
NameSpecialtyState
O B S T E T R I C S/ G Y N E C O L O G YIL
Diagnostic RadiologyOK
Nurse PractitionerIL
P A T H O L O G YDE
Emergency MedicineIL
Nurse PractitionerIL
Emergency MedicineIL
Hematology/Oncology, HospitalistIL
Emergency MedicineIL
Hospitalist, Family PracticeIL

Reviews

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Frequently asked questions

What is DR. STEPHEN J HALLIDAY (M.D., MSCI)'s NPI number?
DR. STEPHEN J HALLIDAY (M.D., MSCI)'s NPI is 1154612554 — the number used across U.S. healthcare to identify this provider.
Is DR. STEPHEN J HALLIDAY (M.D., MSCI) shown as active in public data?
Registry records indicate DR. STEPHEN J HALLIDAY (M.D., MSCI) maintains an active NPI.
What clinical focus is listed for DR. STEPHEN J HALLIDAY (M.D., MSCI)?
At a glance, DR. STEPHEN J HALLIDAY (M.D., MSCI) is tied to Pulmonary Disease Physician. Clinical services aligned with this taxonomy classification.
Where in Tennessee is DR. STEPHEN J HALLIDAY (M.D., MSCI) registered?
Use Columbia, Tennessee as the headline location for DR. STEPHEN J HALLIDAY (M.D., MSCI) here.
Can I trust this NPI listing for DR. STEPHEN J HALLIDAY (M.D., MSCI)?
The listing is sourced from the national NPI registry. If something looks off, compare with NPPES and the clinic's website.

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