Physician Profile
Unclaimed ProfileAbout DUVAL
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Education & Training
Areas of Expertise
Common questions
What kind of doctor is Dr. Duval?
Dr. Duval is an internal medicine in Billings, MT. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “INTERNAL MEDICINE”.
NPI registry
What is Dr. Duval's address?
Dr. Duval is listed at 801 N 29TH ST, Billings, MT 59101. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with Dr. Duval?
The number on file is (406) 238-2500. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Dr. Duval's NPI number?
Dr. Duval's National Provider Identifier is 1346289758. 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. Duval train?
Dr. Duval attended Other, graduating in 1992. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Duval been practising?
Dr. Duval has 34 years experience. Calculated from a graduation year of 1992, reported in the CMS National Downloadable File.
CMS public data
What procedures does Dr. Duval perform?
According to Medicare billing data, Dr. Duval performs procedures including aspiration and/or injection of fluid from large joint, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Dr. Duval confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Duval. If this is you, claiming it is free.
Guide.md
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (406) 238-2500
- Email not available
Practice Locations
801 N 29TH ST
Billings, MT 59101
Procedures Most Often Billed to Medicare
1,804 services · 1,043 patients · 9 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Aspiration and/or injection of fluid from large joint | Procedure | 20610 |
14 |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
888 |
| 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 |
625 |
| Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more | Office visit | 99215 |
105 |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
78 |
| Transitional care management services for problem of at least moderate complexity | Office visit | 99495 |
33 |
| Annual wellness visit; includes a personalized prevention plan of service (pps), initial visit | Billing code | G0438 |
27 |
| Telephone medical discussion with physician, 11-20 minutes | Office visit | 99442 |
19 |
| Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | Billing code | G0439 |
15 |
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.
Other internal medicines at this location 5
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 8
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.
More connections — 29 related providers in 4 groups
Other internal medicines in Billings 5
Same specialty, same city.
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
Class of 1992 at Other 8
Providers who graduated from the same medical school in the same year.
Also performs Aspiration and/or injection of fluid from large joint 8
Providers in MT 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.