Sheryl Malinowski, FNP
NPI 1790999878 · Nurse Practitioner · Billings, MT
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Sheryl Malinowski, FNP is a Nurse Practitioner provider in Billings, MT (NPI 1790999878).
Provider details
- NPI number
- 1790999878
- Entity type
- Individual
- Primary specialty
- Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- FNP
- Sex
- Female
- Sole proprietor
- No
- License
- RN17658 (MT)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
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
19 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
327 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 Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 247 | $55 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 62 | $80 |
| New Patient Office Or Other Outpatient Visit With Low Level of Medical Decision Making, If Using Time, 30 Minutes Or More99203 | 18 | $68 |
Typical Medicare-allowed amounts for these services range $55–$80 (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 · 10 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Prednisone | 57 | 54 |
| Doxycycline Hyclate | 46 | 43 |
| Amoxicillin/Potassium Clavbrand: Amoxicillin-Clavulanate Potass | 33 | 32 |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 27 | 20 |
| Azithromycin | 21 | 21 |
| Cefuroxime Axetilbrand: Cefuroxime | 21 | 20 |
| Nirmatrelvir/Ritonavirbrand: Paxlovid |
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-05-09
- Last updated
- 2023-12-20
- Certified
- 2023-12-20
Frequently asked questions
- What is Sheryl Malinowski's NPI number?
- Sheryl Malinowski's National Provider Identifier (NPI) is 1790999878, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Sheryl Malinowski's specialty?
- Sheryl Malinowski is listed in the NPPES registry with a primary specialty of Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Sheryl Malinowski located?
- Sheryl Malinowski's practice location on file with NPPES is 801 N 29th St, Billings, MT 59101-0905.
- What is Sheryl Malinowski's phone number?
- The practice phone number listed in the NPPES registry for Sheryl Malinowski is (406) 238-2500.
- Does Sheryl Malinowski accept Medicare?
- Sheryl Malinowski is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Sheryl Malinowski's NPI active?
- Yes — Sheryl Malinowski's NPI (1790999878) is active in the NPPES registry as of the last update on 2023-12-20.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.