Physician Profile
John Waldron McCahan, MD
Unclaimed ProfileAbout Dr. Mccahan
John Waldron McCahan, MD practices rheumatology in Bozeman, MT. John is a 2003 graduate of Temple University School of Medicine. John is also listed as specializing in internal medicine. According to Medicare claims data, John cared for 445 Medicare patients across 584 services.
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
Specialty
Credentials & Licensing
Source: NPPES NPI Registry
Contact Information
- (406) 414-5198
- Email not available
Practice Locations
931 HIGHLAND BLVD STE 3260
Bozeman, MT 59715
Conditions Commonly Evaluated or Treated
Within Rheumatology generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Conditions
Most searched conditions
Procedures & services
Most searched procedures
Procedures Most Often Billed to Medicare
584 services · 445 patients · 6 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
290 |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
199 |
| Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more | Office visit | 99212 |
36 |
| New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more | Office visit | 99204 |
29 |
| New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more | Office visit | 99203 |
16 |
| Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more | Office visit | 99215 |
14 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Related specialists at this location 1
Clinically related specialties at the same address — the people this provider most likely works alongside.
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 rheumatology specialists in Bozeman 3
Same specialty, same city.
More connections — 15 related providers in 2 groups
Trained at Temple University School of Medicine 8
Other providers in the same specialty who trained at the same institution.
Class of 2003 at Temple University School of Medicine 7
Providers who graduated from the same medical school in the same year.
Common questions
What is Dr. McCahan's specialty?
Dr. McCahan is a rheumatology in Bozeman, MT. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “RHEUMATOLOGY”.
NPI registry
Where can I find Dr. McCahan?
Dr. McCahan is listed at 931 HIGHLAND BLVD STE 3260, Bozeman, MT 59715. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Dr. McCahan?
The number on file is (406) 414-5198. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Dr. McCahan's NPI number?
Dr. McCahan's National Provider Identifier is 1144319922. 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
What is Dr. McCahan's medical education?
Dr. McCahan attended Temple University School of Medicine, graduating in 2003. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. McCahan been practicing?
Dr. McCahan has 23 years experience. Calculated from a graduation year of 2003, reported in the CMS National Downloadable File.
CMS public data
What is Dr. McCahan known for?
According to Medicare billing data, Dr. McCahan the Medicare record under this individual NPI shows mainly office visits and diagnostic testing. Hospital-based physicians usually have their procedural work billed by the facility rather than under their own number, so this is a floor on their practice, not a description of it. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Dr. McCahan confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. McCahan. If this is you, claiming it is free.
Guide.md
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.