Chelsey Clark, PA-C, RDN, CDCES,CLC
NPI 1699172049 · Physician Assistant · Big Timber, MT
Enrolled with Medicare as Practitioner - Registered Dietitian Or Nutrition Professional · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Chelsey Clark, PA-C, RDN, CDCES,CLC is a Physician Assistant provider in Big Timber, MT (NPI 1699172049).
Provider details
- NPI number
- 1699172049
- Entity type
- Individual
- Primary specialty
- Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PA-C, RDN, CDCES,CLC
- Sex
- Female
- Sole proprietor
- No
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Dietary & Nutritional Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
11 yrs in NPPES registry
- Profile completeness33% of score
83% of core fields populated
- Practice footprint20% of score
1 documented practice location
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
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 prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 28 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Losartan Potassium | 54 | 16 |
| Levothyroxine Sodium | 43 | 12 |
| Omeprazole | 41 | 18 |
| Amlodipine Besylate | 40 | — |
| Gabapentin | 34 | 11 |
| Meloxicam | 30 | — |
| Apixabanbrand: Eliquis | 22 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$39 across 2 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
Registry dates
- Enumerated
- 2014-12-01
- Last updated
- 2025-03-11
- Certified
- 2025-03-11
Frequently asked questions
- What is Chelsey Clark's NPI number?
- Chelsey Clark's National Provider Identifier (NPI) is 1699172049, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Chelsey Clark's specialty?
- Chelsey Clark is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Chelsey Clark located?
- Chelsey Clark's practice location on file with NPPES is 701 Stock St, Big Timber, MT 59011-8071.
- What is Chelsey Clark's phone number?
- The practice phone number listed in the NPPES registry for Chelsey Clark is (406) 932-4199.
- Does Chelsey Clark accept Medicare?
- Chelsey Clark is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Chelsey Clark's NPI active?
- Yes — Chelsey Clark's NPI (1699172049) is active in the NPPES registry as of the last update on 2025-03-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.