Cristian Rios Perez, M.D.
NPI 1871957894 · Hepatology Physician · Sioux Falls, SD
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Cristian Rios Perez, M.D. is a Hepatology Physician provider in Sioux Falls, SD (NPI 1871957894).
Provider details
- NPI number
- 1871957894
- Entity type
- Individual
- Primary specialty
- Hepatology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
10 yrs in NPPES registry
- Profile completeness25% of score
83% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
281 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 51 | $92 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 43 | $92 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 39 | $125 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 36 | $74 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 28 | $61 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 15 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Ursodiol | 128 | 25 |
| Carvedilol | 71 | 16 |
| Spironolactone | 67 | 13 |
| Furosemide | 47 | — |
| Hydroxyzine Hcl | 25 | — |
| Pantoprazole Sodium | 23 | — |
| Nadolol | 23 | — |
| Lactulose | 21 | — |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$17 across 1 record (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
- 2016-04-06
- Last updated
- 2025-03-24
- Certified
- 2025-03-24
Frequently asked questions
- What is Cristian Rios Perez's NPI number?
- Cristian Rios Perez's National Provider Identifier (NPI) is 1871957894, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Cristian Rios Perez's specialty?
- Cristian Rios Perez is listed in the NPPES registry with a primary specialty of Hepatology Physician (Allopathic & Osteopathic Physicians).
- Where is Cristian Rios Perez located?
- Cristian Rios Perez's practice location on file with NPPES is 1600 S Highline Ave Ste 220, Sioux Falls, SD 57110-1008.
- What is Cristian Rios Perez's phone number?
- The practice phone number listed in the NPPES registry for Cristian Rios Perez is (605) 322-8535.
- Does Cristian Rios Perez accept Medicare?
- Cristian Rios Perez is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Cristian Rios Perez's NPI active?
- Yes — Cristian Rios Perez's NPI (1871957894) is active in the NPPES registry as of the last update on 2025-03-24.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.