James Mclennan, M.D.
NPI 1487004511 · Family Medicine Physician · Casper, WY
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
James Mclennan, M.D. is a Family Medicine Physician provider in Casper, WY (NPI 1487004511).
Provider details
- NPI number
- 1487004511
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 19022 (NV)
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 tenure33% of score
10 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
1 documented practice location
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
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 prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 55 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Rosuvastatin Calcium | 166 | 52 |
| Levothyroxine Sodium | 106 | 32 |
| Telmisartan | 103 | 22 |
| Metformin Hclbrand: Metformin Hcl Er | 92 | 29 |
| Atorvastatin Calcium | 90 | 29 |
| Amlodipine Besylate | 84 | 29 |
| Losartan Potassium |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$2,726 across 111 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2016-06-20
- Last updated
- 2022-10-07
- Certified
- 2022-10-07
Frequently asked questions
- What is James Mclennan's NPI number?
- James Mclennan's National Provider Identifier (NPI) is 1487004511, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is James Mclennan's specialty?
- James Mclennan is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is James Mclennan located?
- James Mclennan's practice location on file with NPPES is 1522 E a St, Casper, WY 82601-2217.
- What is James Mclennan's phone number?
- The practice phone number listed in the NPPES registry for James Mclennan is (307) 234-6161.
- Does James Mclennan accept Medicare?
- James Mclennan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is James Mclennan's NPI active?
- Yes — James Mclennan's NPI (1487004511) is active in the NPPES registry as of the last update on 2022-10-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.