John Butterfield, MD
NPI 1396440178 · Student in an Organized Health Care Education/Training Program · Aurora, CO
Enrolled with Medicare as Order and Referring Only - Neurosurgery · source: CMS PECOS Public Provider Enrollment (2026.04.01)
John Butterfield, MD is a Student in an Organized Health Care Education/Training Program provider in Aurora, CO (NPI 1396440178).
Provider details
- NPI number
- 1396440178
- Entity type
- Individual
- Primary specialty
- Student in an Organized Health Care Education/Training ProgramStudent, Health Care
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
Specialties & taxonomies
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
3 yrs in NPPES registry
- Profile completeness33% of score
83% 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.
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$233 across 2 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
- 2023-04-03
- Last updated
- 2023-04-03
- Certified
- 2023-04-02
Frequently asked questions
- What is John Butterfield's NPI number?
- John Butterfield's National Provider Identifier (NPI) is 1396440178, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Butterfield's specialty?
- John Butterfield is listed in the NPPES registry with a primary specialty of Student in an Organized Health Care Education/Training Program (Student, Health Care).
- Where is John Butterfield located?
- John Butterfield's practice location on file with NPPES is 12631 E 17th Ave, C307 5th Floor, Room 5009, Aurora, CO 80045.
- What is John Butterfield's phone number?
- The practice phone number listed in the NPPES registry for John Butterfield is (303) 724-2302.
- Does John Butterfield accept Medicare?
- John Butterfield is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is John Butterfield's NPI active?
- Yes — John Butterfield's NPI (1396440178) is active in the NPPES registry as of the last update on 2023-04-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.