Teresa Wiersma, NP
NPI 1417931833 · Family Nurse Practitioner · Randolph, WI
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Teresa Wiersma, NP is a Family Nurse Practitioner provider in Randolph, WI (NPI 1417931833).
Provider details
- NPI number
- 1417931833
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- NP
- Sex
- Female
- Sole proprietor
- No
- License
- 125502 (WI)
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 tenure25% of score
20 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
139 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
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 .
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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 45 | $102 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 43 | $13 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 22 | $144 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 18 | $9 |
| Urinalysis, Manual Test81002 | 11 | $3 |
Typical Medicare-allowed amounts for these services range $3–$144 (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.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 57 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 168 | 45 |
| Lisinopril | 158 | 47 |
| Levothyroxine Sodium | 153 | 35 |
| Amlodipine Besylate | 129 | 37 |
| Metoprolol Succinate | 89 | 27 |
| Furosemide | 78 | 25 |
| Omeprazole | 75 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$89 across 5 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2005-11-30
- Last updated
- 2016-09-15
Frequently asked questions
- What is Teresa Wiersma's NPI number?
- Teresa Wiersma's National Provider Identifier (NPI) is 1417931833, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Teresa Wiersma's specialty?
- Teresa Wiersma is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Teresa Wiersma located?
- Teresa Wiersma's practice location on file with NPPES is 504 S High St, Randolph, WI 53956-1499.
- What is Teresa Wiersma's phone number?
- The practice phone number listed in the NPPES registry for Teresa Wiersma is (920) 326-5060.
- Does Teresa Wiersma accept Medicare?
- Teresa Wiersma is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Teresa Wiersma's NPI active?
- Yes — Teresa Wiersma's NPI (1417931833) is active in the NPPES registry as of the last update on 2016-09-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.