Tahnee Siewert
NPI 1013265966 · Gerontology Nurse Practitioner · Manitowoc, WI
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Tahnee Siewert is a Gerontology Nurse Practitioner provider in Manitowoc, WI (NPI 1013265966).
Provider details
- NPI number
- 1013265966
- Entity type
- Individual
- Primary specialty
- Gerontology Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Sex
- Female
- Sole proprietor
- Yes
- License
- 175038-30 (WI)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Nursing Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
13 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
427 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 | 378 | $103 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 20 | $9 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 18 | $144 |
| Hospital Discharge Day Management, More Than 30 Minutes99239 | 11 | $91 |
Typical Medicare-allowed amounts for these services range $9–$144 (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 · 33 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Metoprolol Succinate | 407 | 142 |
| Apixabanbrand: Eliquis | 278 | 72 |
| Empagliflozinbrand: Jardiance | 164 | 52 |
| Atorvastatin Calcium | 164 | 64 |
| Bumetanide | 150 | 54 |
| Carvedilol | 150 | 59 |
| Rosuvastatin Calcium |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$417 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
- 2012-08-27
- Last updated
- 2015-08-12
Frequently asked questions
- What is Tahnee Siewert's NPI number?
- Tahnee Siewert's National Provider Identifier (NPI) is 1013265966, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Tahnee Siewert's specialty?
- Tahnee Siewert is listed in the NPPES registry with a primary specialty of Gerontology Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Tahnee Siewert located?
- Tahnee Siewert's practice location on file with NPPES is 1650 S 41st St, Manitowoc, WI 54220-7316.
- What is Tahnee Siewert's phone number?
- The practice phone number listed in the NPPES registry for Tahnee Siewert is (920) 320-4660.
- Does Tahnee Siewert accept Medicare?
- Tahnee Siewert is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Tahnee Siewert's NPI active?
- Yes — Tahnee Siewert's NPI (1013265966) is active in the NPPES registry as of the last update on 2015-08-12.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.