Catherine Fernandez Aristy, MD
NPI 1376170241 · Sleep Medicine (Family Medicine) Physician · Rapid City, SD
Enrolled with Medicare as Practitioner - Sleep Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Catherine Fernandez Aristy, MD is a Sleep Medicine (Family Medicine) Physician provider in Rapid City, SD (NPI 1376170241).
Provider details
- NPI number
- 1376170241
- Entity type
- Individual
- Primary specialty
- Sleep Medicine (Family Medicine) PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- Yes
- License
- 15675 (SC)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
6 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
88 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) |
|---|---|---|
| Home Sleep Test (hst) With Type III Portable Monitor, Unattended; Minimum of 4 Channels: 2 Respiratory Movement/Airflow, 1 Ecg/Heart Rate and 1 Oxygen SaturationG0399 | 29 | $43 |
| Sleep Study in Sleep Lab With Continuous Airway Pressure (6 Years Or Older)95811 | 18 | $116 |
| New Patient Office Or Other Outpatient Visit With Low Level of Medical Decision Making, If Using Time, 30 Minutes Or More99203 | 17 | $77 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 12 | $125 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 12 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2020-03-23
- Last updated
- 2024-08-27
- Certified
- 2024-08-12
Frequently asked questions
- What is Catherine Fernandez Aristy's NPI number?
- Catherine Fernandez Aristy's National Provider Identifier (NPI) is 1376170241, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Catherine Fernandez Aristy's specialty?
- Catherine Fernandez Aristy is listed in the NPPES registry with a primary specialty of Sleep Medicine (Family Medicine) Physician (Allopathic & Osteopathic Physicians).
- Where is Catherine Fernandez Aristy located?
- Catherine Fernandez Aristy's practice location on file with NPPES is 353 Fairmont Blvd, Rapid City, SD 57701-7375.
- What is Catherine Fernandez Aristy's phone number?
- The practice phone number listed in the NPPES registry for Catherine Fernandez Aristy is (605) 755-1000.
- Does Catherine Fernandez Aristy accept Medicare?
- Catherine Fernandez Aristy is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Catherine Fernandez Aristy's NPI active?
- Yes — Catherine Fernandez Aristy's NPI (1376170241) is active in the NPPES registry as of the last update on 2024-08-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.