Jillian Brennan, M.D.
NPI 1942520796 · Hospitalist Physician · Burlington, VT
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Jillian Brennan, M.D. is a Hospitalist Physician provider in Burlington, VT (NPI 1942520796).
Provider details
- NPI number
- 1942520796
- Entity type
- Individual
- Primary specialty
- Hospitalist PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- 0420012666 (VT)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
16 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
268 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 | 99 | $74 |
| Hospital Discharge Day Management, More Than 30 Minutes99239 | 72 | $109 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 45 | $112 |
| Subsequent Hospital Care With Straightforward Or Low Level of Medical Decision Making, Per Day, If Using Time, at Least 25 Minutes99231 | 28 | $46 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 24 | $164 |
Typical Medicare-allowed amounts for these services range $46–$164 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, 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.
Practice location
Mailing address
Registry dates
- Enumerated
- 2010-06-03
- Last updated
- 2015-04-16
Frequently asked questions
- What is Jillian Brennan's NPI number?
- Jillian Brennan's National Provider Identifier (NPI) is 1942520796, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Jillian Brennan's specialty?
- Jillian Brennan is listed in the NPPES registry with a primary specialty of Hospitalist Physician (Allopathic & Osteopathic Physicians).
- Where is Jillian Brennan located?
- Jillian Brennan's practice location on file with NPPES is 617 Riverside Ave, Burlington, VT 05401-1601.
- What is Jillian Brennan's phone number?
- The practice phone number listed in the NPPES registry for Jillian Brennan is (802) 264-8158.
- Does Jillian Brennan accept Medicare?
- Jillian Brennan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Jillian Brennan's NPI active?
- Yes — Jillian Brennan's NPI (1942520796) is active in the NPPES registry as of the last update on 2015-04-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.