Mariah Kellam, RN
NPI 1083230304 · Family Nurse Practitioner · Chinook, MT
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mariah Kellam, RN is a Family Nurse Practitioner provider in Chinook, MT (NPI 1083230304).
Provider details
- NPI number
- 1083230304
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- RN
- Sex
- Female
- Sole proprietor
- No
- License
- NUR-APRN-LIC-216413 (MT)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
5 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
78 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) |
|---|---|---|
| Hemoglobin A1c Level83036 | 35 | $10 |
| Automated Urinalysis Test81003 | 27 | $2 |
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Tracing93005 | 16 | $6 |
Typical Medicare-allowed amounts for these services range $2–$10 (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 · 46 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Lisinopril | 97 | 15 |
| Losartan Potassium | 83 | 16 |
| Omeprazole | 79 | 11 |
| Amlodipine Besylate | 74 | 12 |
| Levothyroxine Sodium | 68 | 13 |
| Simvastatin | 61 | — |
| Atorvastatin Calcium | 49 |
Practice location
Mailing address
Additional practice locations (1)
- 736 Alfalfa LnChinook, MT 59523-9402Phone: (406) 262-3361
Registry dates
- Enumerated
- 2020-06-23
- Last updated
- 2025-12-08
- Certified
- 2025-12-08
Frequently asked questions
- What is Mariah Kellam's NPI number?
- Mariah Kellam's National Provider Identifier (NPI) is 1083230304, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mariah Kellam's specialty?
- Mariah Kellam is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Mariah Kellam located?
- Mariah Kellam's practice location on file with NPPES is 419 Pennsylvania St, Chinook, MT 59523-9726.
- What is Mariah Kellam's phone number?
- The practice phone number listed in the NPPES registry for Mariah Kellam is (406) 357-2294.
- Does Mariah Kellam accept Medicare?
- Mariah Kellam is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mariah Kellam's NPI active?
- Yes — Mariah Kellam's NPI (1083230304) is active in the NPPES registry as of the last update on 2025-12-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.