Margaret Marsh, CFNP
NPI 1851569438 · Family Nurse Practitioner · Bozeman, MT
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Margaret Marsh, CFNP is a Family Nurse Practitioner provider in Bozeman, MT (NPI 1851569438).
Provider details
- NPI number
- 1851569438
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- CFNP
- Sex
- Female
- Sole proprietor
- No
- License
- NUR-APRN-LIC-100805 (MT)
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 tenure28% of score
18 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
8 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
384 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 | 110 | $76 |
| New Patient Office Or Other Outpatient Visit With Low Level of Medical Decision Making, If Using Time, 30 Minutes Or More99203 | 61 | $93 |
| Residence Visit for Established Patient With High Level of Medical Decision Making, Per Day, If Using Time, at Least 60 Minutes99350 | 60 | $154 |
| Automated Urinalysis Test81003 | 29 | $2 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 29 | $107 |
| Residence Visit for Established Patient With Moderate Level of Medical Decision Making, Per Day, If Using Time, at Least 40 Minutes |
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 | 41 | 40 |
| Doxycycline Hyclate | 29 | 29 |
| Amoxicillin/Potassium Clavbrand: Amoxicillin-Clavulanate Potass | 24 | 23 |
| Cephalexin | 20 | 20 |
| Cefuroxime Axetilbrand: Cefuroxime | 14 | 13 |
| Sulfamethoxazole/Trimethoprimbrand: Sulfamethoxazole-Trimethoprim | 14 | 14 |
| Cefdinir | 13 | 12 |
Practice location
Mailing address
Additional practice locations (7)
- 301 W 7th AveBig Timber, MT 59011-7893Phone: (406) 480-4017
- 301 W 7th AveBig Timber, MT 59011Phone: (406) 480-4017
- 301 W 7th AveBig Timber, MT 59011Phone: (406) 480-4017
- 334 Town Center AveBozeman, MT 59715Phone: (406) 414-5000
- 1006 W Main StBozeman, MT 59715-3219Phone: (406) 414-4600
- 937 Highland Blvd Ste 5410Bozeman, MT 59715-6916Phone: (406) 414-2400
- 320 Alpenglow LnLivingston, MT 59047-8506Phone: (406) 222-3541Fax: (406) 823-6434
Registry dates
- Enumerated
- 2008-02-15
- Last updated
- 2025-04-10
- Certified
- 2025-04-04
Frequently asked questions
- What is Margaret Marsh's NPI number?
- Margaret Marsh's National Provider Identifier (NPI) is 1851569438, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Margaret Marsh's specialty?
- Margaret Marsh is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Margaret Marsh located?
- Margaret Marsh's practice location on file with NPPES is 1805 Oak St Ste 3, Bozeman, MT 59715-8847.
- What is Margaret Marsh's phone number?
- The practice phone number listed in the NPPES registry for Margaret Marsh is (406) 414-4891.
- Does Margaret Marsh accept Medicare?
- Margaret Marsh is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Margaret Marsh's NPI active?
- Yes — Margaret Marsh's NPI (1851569438) is active in the NPPES registry as of the last update on 2025-04-10.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.