Tammy Lafreniere, NP-C
NPI 1619404241 · Family Nurse Practitioner · Thief River Falls, MN
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Tammy Lafreniere, NP-C is a Family Nurse Practitioner provider in Thief River Falls, MN (NPI 1619404241).
Provider details
- NPI number
- 1619404241
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- NP-C
- Sex
- Female
- Sole proprietor
- No
- License
- 5141 (MN)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
9 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
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 prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 92 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 299 | 67 |
| Levothyroxine Sodium | 212 | 48 |
| Omeprazole | 193 | 47 |
| Lisinopril | 169 | 43 |
| Metoprolol Succinate | 116 | 32 |
| Rosuvastatin Calcium | 115 | 31 |
| Losartan Potassium |
Practice location
Mailing address
Registry dates
- Enumerated
- 2017-05-14
- Last updated
- 2019-01-24
Frequently asked questions
- What is Tammy Lafreniere's NPI number?
- Tammy Lafreniere's National Provider Identifier (NPI) is 1619404241, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Tammy Lafreniere's specialty?
- Tammy Lafreniere is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Tammy Lafreniere located?
- Tammy Lafreniere's practice location on file with NPPES is 3001 Sanford Pkwy, Thief River Falls, MN 56701-2700.
- What is Tammy Lafreniere's phone number?
- The practice phone number listed in the NPPES registry for Tammy Lafreniere is (218) 681-4747.
- Does Tammy Lafreniere accept Medicare?
- Tammy Lafreniere is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Tammy Lafreniere's NPI active?
- Yes — Tammy Lafreniere's NPI (1619404241) is active in the NPPES registry as of the last update on 2019-01-24.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.