James Chappell, MD
NPI 1598726440 · Specialist · Denver, CO
James Chappell, MD is a Specialist provider in Denver, CO (NPI 1598726440).
Provider details
- NPI number
- 1598726440
- Entity type
- Individual
- Primary specialty
- SpecialistOther Service Providers
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 36056 (CO)
Specialties & taxonomies
Other Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
20 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 · 35 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Tirzepatidebrand: Mounjaro | 419 | 63 |
| Levothyroxine Sodiumbrand: Synthroid | 271 | 59 |
| Empagliflozinbrand: Jardiance | 258 | 61 |
| Rosuvastatin Calcium | 134 | 38 |
| Metformin Hclbrand: Metformin Hcl Er | 99 | 33 |
| Lisinopril | 98 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$55,713 across 128 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
- 2006-03-30
- Last updated
- 2007-10-26
Frequently asked questions
- What is James Chappell's NPI number?
- James Chappell's National Provider Identifier (NPI) is 1598726440, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is James Chappell's specialty?
- James Chappell is listed in the NPPES registry with a primary specialty of Specialist (Other Service Providers).
- Where is James Chappell located?
- James Chappell's practice location on file with NPPES is 850 E Harvard Ave, Denver, CO 80210-5077.
- What is James Chappell's phone number?
- The practice phone number listed in the NPPES registry for James Chappell is (303) 722-4683.
- Is James Chappell's NPI active?
- Yes — James Chappell's NPI (1598726440) is active in the NPPES registry as of the last update on 2007-10-26.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.