Quick answers
- Does Colleen S. Tetzlaff accept Medicare assignment?
- Medicare's clinician data says Colleen S. Tetzlaff may accept Medicare assignment (as of October 2, 2026). Ask the office whether they accept it for your visit.
- How many Medicare patients does Colleen S. Tetzlaff see?
- In 2024, CMS data shows 72 Original Medicare patients and 265 services for Colleen S. Tetzlaff. This counts Original Medicare only and measures volume, not quality.
- What is Colleen S. Tetzlaff's NPI number?
- 1710083233. 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 S. Tetzlaff, 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 | 72 |
|---|---|
| Services billed to Medicare | 265 |
| Different services or procedures | 10 |
| Participating Medicare provider | Yes |
| Average age of these patients | 72 |
Most frequent services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)144 services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)71 services
- Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (G0439)37 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 cholesterol51%
- High blood pressure46%
- Arthritis46%
- Anxiety22%
- Osteoporosis22%
- Cancer (breast, colorectal, lung, prostate, endometrial or leukemia/lymphoma)18%
Hospitals where Colleen S. Tetzlaff works
Medicare's Facility Affiliation Data lists Colleen S. Tetzlaff at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.
- MaineHealth Maine Medical CenterPortland, ME · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 200009
- MaineHealth Mid Coast HospitalBrunswick, ME · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 200021
- Northern Light Mercy HospitalPortland, ME · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 200008
Practice locations
Addresses where Colleen S. Tetzlaff is enrolled with Medicare (CMS data updated October 2, 2026).
- 60 Forest Falls Dr, Suite 5Yarmouth, ME 04096
Specialties
- Nurse Practitionerprimary
Other nurse practitioners in Yarmouth
Clinicians with the same Medicare primary specialty in Yarmouth, ME — not a recommendation.
Clinician information
| Credential | NP |
|---|---|
| Graduation year | 1997 |
| Gender (as listed) | Female |
| Medicare assignment | May accept for some services |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1710083233 |
| 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
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
- Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
- 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