Carlos Reyes, M.D.
NPI 1831212117 · Nephrology Physician · Tucson, AZ
Enrolled with Medicare as Practitioner - Nephrology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Carlos Reyes, M.D. is a Nephrology Physician provider in Tucson, AZ (NPI 1831212117).
Provider details
- NPI number
- 1831212117
- Entity type
- Individual
- Primary specialty
- Nephrology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 45913 (AZ)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
19 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
1,032 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) |
|---|---|---|
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 293 | $113 |
| Dialysis Services, Per Day, Less Than Full Month Service (20 Years Or Older)90970 | 272 | $9 |
| Dialysis Services, 4 Or More Physician Visits Per Month (20 Years Or Older)90960 | 107 | $338 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 106 | $173 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 92 | $122 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 59 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Calcitriol | 523 | 154 |
| Furosemide | 249 | 87 |
| Amlodipine Besylate | 207 | 72 |
| Losartan Potassium | 180 | 60 |
| Allopurinol | 173 | 49 |
| Gabapentin | 157 | 38 |
| Dapagliflozin Propanediolbrand: Farxiga | 140 | 29 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$40 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
- 2007-04-09
- Last updated
- 2018-06-26
Frequently asked questions
- What is Carlos Reyes's NPI number?
- Carlos Reyes's National Provider Identifier (NPI) is 1831212117, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Carlos Reyes's specialty?
- Carlos Reyes is listed in the NPPES registry with a primary specialty of Nephrology Physician (Allopathic & Osteopathic Physicians).
- Where is Carlos Reyes located?
- Carlos Reyes's practice location on file with NPPES is 1704 W Anklam Rd, Tucson, AZ 85745.
- What is Carlos Reyes's phone number?
- The practice phone number listed in the NPPES registry for Carlos Reyes is (520) 622-3569.
- Does Carlos Reyes accept Medicare?
- Carlos Reyes is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Carlos Reyes's NPI active?
- Yes — Carlos Reyes's NPI (1831212117) is active in the NPPES registry as of the last update on 2018-06-26.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.