Teresa Mulzer, APNP
NPI 1861959371 · Nurse Practitioner · De Pere, WI
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Teresa Mulzer, APNP is a Nurse Practitioner provider in De Pere, WI (NPI 1861959371).
Provider details
- NPI number
- 1861959371
- Entity type
- Individual
- Primary specialty
- Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- APNP
- Sex
- Female
- Sole proprietor
- No
- License
- 9071-33 (WI)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
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
7 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
8 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
174 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 High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 63 | $139 |
| 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 | 57 | $13 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 39 | $98 |
| Aspiration And/Or Injection of Fluid Large Joint Using Ultrasound Guidance20611 | 15 | $78 |
Typical Medicare-allowed amounts for these services range $13–$139 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote 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 · 13 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Gabapentin | 211 | 50 |
| Tizanidine Hcl | 156 | 39 |
| Pregabalin | 134 | 35 |
| Cyclobenzaprine Hcl | 95 | 30 |
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 91 | 28 |
| Diclofenac Sodium | 74 | 24 |
| Oxycodone Hcl/Acetaminophenbrand: Oxycodone-Acetaminophen | 64 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$146 across 2 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
Additional practice locations (7)
- 1501 S Madison StAppleton, WI 54915-1846Phone: (920) 632-6800Fax: (920) 632-6806
- 1506 S Oneida StAppleton, WI 54915-1305Phone: (920) 632-6800Fax: (920) 632-6806
- 451 E Brooklyn St Ste 1Chilton, WI 53014-1595Phone: (920) 632-6800Fax: (920) 632-6806
- 614 Memorial DrChilton, WI 53014-1568Phone: (920) 632-6800Fax: (920) 632-6806
- 1540 Lyon DrNeenah, WI 54956-5035Phone: (920) 632-6800Fax: (920) 632-6806
- 2700 W 9th Ave Ste 305Oshkosh, WI 54904-7865Phone: (920) 632-6800Fax: (920) 632-6806
- 500 S Oakwood RdOshkosh, WI 54904-7944Phone: (920) 632-6800Fax: (920) 632-6806
Registry dates
- Enumerated
- 2019-02-21
- Last updated
- 2025-12-11
- Certified
- 2025-12-11
Frequently asked questions
- What is Teresa Mulzer's NPI number?
- Teresa Mulzer's National Provider Identifier (NPI) is 1861959371, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Teresa Mulzer's specialty?
- Teresa Mulzer is listed in the NPPES registry with a primary specialty of Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Teresa Mulzer located?
- Teresa Mulzer's practice location on file with NPPES is 1716 Lawrence Dr Ste 103, De Pere, WI 54115-9108.
- What is Teresa Mulzer's phone number?
- The practice phone number listed in the NPPES registry for Teresa Mulzer is (920) 632-6800.
- Does Teresa Mulzer accept Medicare?
- Teresa Mulzer is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Teresa Mulzer's NPI active?
- Yes — Teresa Mulzer's NPI (1861959371) is active in the NPPES registry as of the last update on 2025-12-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.