Tonia Kroll, NP
NPI 1225238991 · Nurse Practitioner · Marquette, MI
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Tonia Kroll, NP is a Nurse Practitioner provider in Marquette, MI (NPI 1225238991).
Provider details
- NPI number
- 1225238991
- Entity type
- Individual
- Primary specialty
- Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- NP
- Sex
- Female
- Sole proprietor
- No
- License
- 4704234970 (MI)
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
18 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
284 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) |
|---|---|---|
| Subsequent Nursing Facility Care With Straightforward Level of Medical Decision Making, Per Day, If Using Time, at Least 10 Minutes99307 | 117 | $32 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 57 | $73 |
| Subsequent Nursing Facility Care With Straightforward Level of Medical Decision Making, Per Day, If Using Time, 20 Minutes Or More99308 | 47 | $60 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 45 | $103 |
| Subsequent Nursing Facility Care With Moderate Level of Medical Decision Making, Per Day, If Using Time, at Least 30 Minutes99309 | 18 | $87 |
Typical Medicare-allowed amounts for these services range $32–$103 (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 · 43 distinct drugs on file.
| Drug | Part D claims (2024) |
|---|---|
| Meloxicam | 126 |
| Tamsulosin Hcl | 121 |
| Famotidine | 106 |
| Losartan Potassium | 78 |
| Donepezil Hcl | 56 |
| Amlodipine Besylate | 56 |
| Prednisone | 52 |
| Memantine Hcl | 51 |
| Carbidopa/Levodopabrand: Carbidopa-Levodopa | 48 |
| Furosemide | 38 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$2,616 across 27 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
- 2007-07-20
- Last updated
- 2009-04-29
Frequently asked questions
- What is Tonia Kroll's NPI number?
- Tonia Kroll's National Provider Identifier (NPI) is 1225238991, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Tonia Kroll's specialty?
- Tonia Kroll is listed in the NPPES registry with a primary specialty of Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Tonia Kroll located?
- Tonia Kroll's practice location on file with NPPES is 2837 US 41 W, Marquette, MI 49855-2252.
- What is Tonia Kroll's phone number?
- The practice phone number listed in the NPPES registry for Tonia Kroll is (906) 225-3964.
- Does Tonia Kroll accept Medicare?
- Tonia Kroll is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Tonia Kroll's NPI active?
- Yes — Tonia Kroll's NPI (1225238991) is active in the NPPES registry as of the last update on 2009-04-29.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.