Crystal Marx
NPI 1770135782 · Family Nurse Practitioner · Bozeman, MT
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Crystal Marx is a Family Nurse Practitioner provider in Bozeman, MT (NPI 1770135782).
Provider details
- NPI number
- 1770135782
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Sex
- Female
- Sole proprietor
- No
- License
- NUR-APRN-LIC-145687 (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 tenure25% of score
6 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
444 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) |
|---|---|---|
| Removal of Tissue From Wound, 20.0 Sq Cm Or Less97597 | 133 | $31 |
| Removal of Skin and Tissue, 20.0 Sq Cm Or Less11042 | 121 | $52 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 69 | $56 |
| Removal of Noncancer Thickened Skin Growth, 1 Growth11055 | 64 | $15 |
| Removal of Noncancer Thickened Skin Growth, 2-4 Growths11056 | 26 | $21 |
| New Patient Office Or Other Outpatient Visit With Low Level of Medical Decision Making, If Using Time, 30 Minutes Or More99203 | 19 | $71 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 28 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Levothyroxine Sodium | 100 | 32 |
| Atorvastatin Calcium | 97 | 34 |
| Lisinopril | 47 | 18 |
| Amlodipine Besylate | 47 | 18 |
| Rosuvastatin Calcium | 41 | 14 |
| Metformin Hcl | 37 | 16 |
| Gabapentin |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$255 across 9 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
Additional practice locations (1)
- 16 Railway AveThree Forks, MT 59752-9080Phone: (406) 285-3251
Registry dates
- Enumerated
- 2019-07-10
- Last updated
- 2025-04-09
- Certified
- 2025-04-09
Frequently asked questions
- What is Crystal Marx's NPI number?
- Crystal Marx's National Provider Identifier (NPI) is 1770135782, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Crystal Marx's specialty?
- Crystal Marx is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Crystal Marx located?
- Crystal Marx's practice location on file with NPPES is 935 Highland Blvd Ste 2180, Bozeman, MT 59715-6904.
- What is Crystal Marx's phone number?
- The practice phone number listed in the NPPES registry for Crystal Marx is (406) 414-5000.
- Does Crystal Marx accept Medicare?
- Crystal Marx is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Crystal Marx's NPI active?
- Yes — Crystal Marx's NPI (1770135782) is active in the NPPES registry as of the last update on 2025-04-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.