Physician Profile
Unclaimed ProfileAbout HALLIDAY
Stephen J Halliday, M.D., MSCI practises critical care (intensivists) in Madison, WI. Stephen is a 2011 graduate of University of Texas Medical School at San Antonio. Stephen is also listed as specialising in pulmonary disease, internal medicine, and critical care medicine.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Education & Training
Areas of Expertise
Common questions
What does Dr. Halliday specialise in?
Dr. Halliday is a critical care (intensivists) in Madison, WI. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “CRITICAL CARE (INTENSIVISTS)”.
NPI registry
Where is Dr. Halliday located?
Dr. Halliday is listed at 600 HIGHLAND AVE, Madison, WI 53792. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Dr. Halliday's phone number?
The number on file is (608) 263-6400. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Dr. Halliday's NPI number?
Dr. Halliday's National Provider Identifier is 1154612554. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Where did Dr. Halliday go to medical school?
Dr. Halliday attended University of Texas Medical School at San Antonio, graduating in 2011. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Halliday been practising?
Dr. Halliday has 15 years experience. Calculated from a graduation year of 2011, reported in the CMS National Downloadable File.
CMS public data
What does Dr. Halliday do most often?
According to Medicare billing data, Dr. Halliday provides treatments such as test for exercise-induced lung stress, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Dr. Halliday confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Halliday. If this is you, claiming it is free.
Guide.md
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (608) 263-6400
- Email not available
Practice Locations
600 HIGHLAND AVE
Madison, WI 53792
Procedures Most Often Billed to Medicare
187 services · 147 patients · 7 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Test for exercise-induced lung stress | Treatment | 94618 |
30 |
| Critical care, first 30-74 minutes | Office visit | 99291 |
48 |
| Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | Office visit | 99233 |
32 |
| Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more | Office visit | 99215 |
29 |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
25 |
| Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient' | Billing code | G2211 |
12 |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
11 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
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Claim this profileRelated providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Other critical cares in Madison 8
Same specialty, same city.
Trained at University of Texas Medical School at San Antonio 8
Other providers in the same specialty who trained at the same institution.
More connections — 16 related providers in 2 groups
Class of 2011 at University of Texas Medical School at San Antonio 8
Providers who graduated from the same medical school in the same year.
Also performs Test for exercise-induced lung stress 8
Providers in WI who bill this service to Medicare most often.
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.