Caitlin Greenberg, DO
NPI 1538553029 · Hospitalist Physician · Burlington, VT
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Caitlin Greenberg, DO is a Hospitalist Physician provider in Burlington, VT (NPI 1538553029).
Provider details
- NPI number
- 1538553029
- Entity type
- Individual
- Primary specialty
- Hospitalist PhysicianAllopathic & Osteopathic Physicians
- Credential
- DO
- Sex
- Female
- Sole proprietor
- Yes
- License
- DO01019 (RI)
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 tenure28% of score
11 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
386 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 | 206 | $74 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 73 | $162 |
| Initial Hospital Care With Straightforward Or Low-Level Medical Decision Making, If Using Time, at Least 55 Minutes99222 | 34 | $123 |
| Hospital Discharge Day Management, 30 Minutes Or Less99238 | 24 | $77 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 19 | $111 |
| Hospital Discharge Day Management, More Than 30 Minutes99239 | 16 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2015-03-24
- Last updated
- 2022-01-24
- Certified
- 2022-01-24
Frequently asked questions
- What is Caitlin Greenberg's NPI number?
- Caitlin Greenberg's National Provider Identifier (NPI) is 1538553029, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Caitlin Greenberg's specialty?
- Caitlin Greenberg is listed in the NPPES registry with a primary specialty of Hospitalist Physician (Allopathic & Osteopathic Physicians).
- Where is Caitlin Greenberg located?
- Caitlin Greenberg's practice location on file with NPPES is 111 Colchester Ave, Burlington, VT 05401.
- What is Caitlin Greenberg's phone number?
- The practice phone number listed in the NPPES registry for Caitlin Greenberg is (802) 847-2700.
- Does Caitlin Greenberg accept Medicare?
- Caitlin Greenberg is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Caitlin Greenberg's NPI active?
- Yes — Caitlin Greenberg's NPI (1538553029) is active in the NPPES registry as of the last update on 2022-01-24.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.