Caroline Lyon, MD, MPH
NPI 1902841463 · Internal Medicine Physician · Burlington, VT
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Caroline Lyon, MD, MPH is a Internal Medicine Physician provider in Burlington, VT (NPI 1902841463).
Provider details
- NPI number
- 1902841463
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD, MPH
- Sex
- Female
- License
- 0420011075 (VT)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
20 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
345 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 50 Minutes99233 | 168 | $112 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 81 | $74 |
| Hospital Discharge Day Management, More Than 30 Minutes99239 | 36 | $109 |
| Hospital Discharge Day Management, 30 Minutes Or Less99238 | 30 | $77 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 17 | $163 |
| Initial Hospital Care With Straightforward Or Low-Level Medical Decision Making, If Using Time, at Least 55 Minutes99222 | 13 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-06-18
- Last updated
- 2007-07-08
Frequently asked questions
- What is Caroline Lyon's NPI number?
- Caroline Lyon's National Provider Identifier (NPI) is 1902841463, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Caroline Lyon's specialty?
- Caroline Lyon is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Caroline Lyon located?
- Caroline Lyon's practice location on file with NPPES is 111 Colchester Ave, Burlington, VT 05401-1473.
- What is Caroline Lyon's phone number?
- The practice phone number listed in the NPPES registry for Caroline Lyon is (802) 847-4237.
- Does Caroline Lyon accept Medicare?
- Caroline Lyon is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Caroline Lyon's NPI active?
- Yes — Caroline Lyon's NPI (1902841463) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.