Quick answers
- Does Colleen Hazlett-O'Brien accept Medicare assignment?
- Yes. Medicare's clinician data says Colleen Hazlett-O'Brien accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
- How many Medicare patients does Colleen Hazlett-O'Brien see?
- In 2024, CMS data shows 24 Original Medicare patients and 61 services for Colleen Hazlett-O'Brien. This counts Original Medicare only and measures volume, not quality.
- What is Colleen Hazlett-O'Brien's NPI number?
- 1487016648. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Medicare activity in 2024
Official CMS public-use data for Colleen Hazlett-O'Brien, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.
| Original Medicare patients | 24 |
|---|---|
| Services billed to Medicare | 61 |
| Different services or procedures | 4 |
| Participating Medicare provider | Yes |
| Average age of these patients | 79 |
Most frequent services
- Residence visit for established patient with high level of medical decision making, per day, if using time, at least 60 minutes (99350)35 services
- Residence visit for new patient with high level of medical decision making, per day, if using time, at least 75 minutes (99345)19 services
Chronic conditions among these patients
Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).
- High blood pressure75%
- High cholesterol75%
- Chronic kidney disease54%
- COPD54%
- Ischemic heart disease46%
- Atrial fibrillation46%
Practice locations
Addresses where Colleen Hazlett-O'Brien is enrolled with Medicare (CMS data updated October 2, 2026).
- 685 Good DrLancaster, PA 17601 (717) 735‑3131
Group practices
Medicare enrollment lists Colleen Hazlett-O'Brien as a member of this group (CMS data updated October 2, 2026).
- Palliative Medicine Consultants7 clinicians in the group
Specialties
- Hospice/Palliative Careprimary
- Family Practicealso
Find other Hospice/Palliative Care doctors in Pennsylvania →
Other palliative care doctors in Lancaster
Clinicians with the same Medicare primary specialty in Lancaster, PA — not a recommendation.
Other clinicians in Palliative Medicine Consultants
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | DO |
|---|---|
| Medical school | Philadelphia College Of Osteopathic Medicine |
| Graduation year | 2016 (10 years since medical school) |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1487016648 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians