Steffanie Marsonek, NP
NPI 1710363767 · Nurse Practitioner · Ann Arbor, MI
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Steffanie Marsonek, NP is a Nurse Practitioner provider in Ann Arbor, MI (NPI 1710363767).
Provider details
- NPI number
- 1710363767
- Entity type
- Individual
- Primary specialty
- Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- NP
- Sex
- Female
- Sole proprietor
- No
- License
- 4704287306 (MI)
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 tenure28% of score
10 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
77 Medicare services, 2024 (ranked within specialty)
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 methodology.
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 | 63 | $82 |
| Online Digital Evaluation and Management Service for an Established Patient for Up to 7 Days, Total Time 5-10 Minutes99421 | 14 | $10 |
Typical Medicare-allowed amounts for these services range $10–$82 (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 · 8 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Amoxicillin/Potassium Clavbrand: Amoxicillin-Clavulanate Potass | 40 | 37 |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 23 | 23 |
| Prednisone | 18 | 18 |
| Azithromycin | 17 | 17 |
| Cephalexin | 14 | 14 |
| Doxycycline Hyclate | 13 | 13 |
| Nitrofurantoin Monohyd/M-Crystbrand: Nitrofurantoin Mono-Macro |
Practice location
Mailing address
Additional practice locations (1)
- 47601 Grand River AveNovi, MI 48374-1233Phone: (248) 721-0210
Registry dates
- Enumerated
- 2015-07-31
- Last updated
- 2018-12-13
Frequently asked questions
- What is Steffanie Marsonek's NPI number?
- Steffanie Marsonek's National Provider Identifier (NPI) is 1710363767, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Steffanie Marsonek's specialty?
- Steffanie Marsonek is listed in the NPPES registry with a primary specialty of Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Steffanie Marsonek located?
- Steffanie Marsonek's practice location on file with NPPES is 1500 East Medical Center Dr, Ann Arbor, MI 48109-5360.
- What is Steffanie Marsonek's phone number?
- The practice phone number listed in the NPPES registry for Steffanie Marsonek is (734) 647-9342.
- Does Steffanie Marsonek accept Medicare?
- Steffanie Marsonek is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Steffanie Marsonek's NPI active?
- Yes — Steffanie Marsonek's NPI (1710363767) is active in the NPPES registry as of the last update on 2018-12-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.