James Denisar-Green, M.D., PHD.
NPI 1417303793 · Family Medicine Physician · Billings, MT
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
James Denisar-Green, M.D., PHD. is a Family Medicine Physician provider in Billings, MT (NPI 1417303793).
Provider details
- NPI number
- 1417303793
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D., PHD.
- Sex
- Male
- Sole proprietor
- No
- License
- MD60969576 (WA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
10 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
41 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 28 | $77 |
| Hospital Discharge Day Management, 30 Minutes Or Less99238 | 13 | $79 |
Typical Medicare-allowed amounts for these services range $77–$79 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 8 distinct drugs on file.
| Drug | Part D claims (2024) |
|---|---|
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 26 |
| Atorvastatin Calcium | 17 |
| Lisinopril | 17 |
| Metformin Hclbrand: Metformin Hcl Er | 17 |
| Amlodipine Besylate | 13 |
| Tirzepatidebrand: Mounjaro | 12 |
| Omeprazole | 11 |
| Fluoxetine Hcl |
Practice location
Mailing address
Registry dates
- Enumerated
- 2016-05-05
- Last updated
- 2021-06-22
- Certified
- 2021-06-22
Frequently asked questions
- What is James Denisar-Green's NPI number?
- James Denisar-Green's National Provider Identifier (NPI) is 1417303793, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is James Denisar-Green's specialty?
- James Denisar-Green is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is James Denisar-Green located?
- James Denisar-Green's practice location on file with NPPES is 123 S 27th St, Billings, MT 59101-4227.
- What is James Denisar-Green's phone number?
- The practice phone number listed in the NPPES registry for James Denisar-Green is (406) 247-3350.
- Does James Denisar-Green accept Medicare?
- James Denisar-Green is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is James Denisar-Green's NPI active?
- Yes — James Denisar-Green's NPI (1417303793) is active in the NPPES registry as of the last update on 2021-06-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.