Mark Saddler, MD
NPI 1821062282 · Nephrology Physician · Durango, CO
Enrolled with Medicare as Practitioner - Nephrology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mark Saddler, MD is a Nephrology Physician provider in Durango, CO (NPI 1821062282).
Provider details
- NPI number
- 1821062282
- Entity type
- Individual
- Primary specialty
- Nephrology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 34567 (CO)
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
20 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
687 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 | 295 | $128 |
| Dialysis Services, 4 Or More Physician Visits Per Month (20 Years Or Older)90960 | 106 | $368 |
| Critical Care, First 30-74 Minutes99291 | 84 | $208 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 80 | $117 |
| Dialysis Services, 2-3 Physician Visits Per Month (20 Years Or Older)90961 | 47 | $308 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 25 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 32 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Losartan Potassium | 186 | 49 |
| Empagliflozinbrand: Jardiance | 135 | 35 |
| Amlodipine Besylate | 130 | 40 |
| Torsemide | 127 | 24 |
| Lisinopril | 102 | 33 |
| Carvedilol | 85 | 20 |
| Allopurinol | 66 | 21 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$20 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
- 2006-02-14
- Last updated
- 2007-07-08
Frequently asked questions
- What is Mark Saddler's NPI number?
- Mark Saddler's National Provider Identifier (NPI) is 1821062282, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Saddler's specialty?
- Mark Saddler is listed in the NPPES registry with a primary specialty of Nephrology Physician (Allopathic & Osteopathic Physicians).
- Where is Mark Saddler located?
- Mark Saddler's practice location on file with NPPES is 1010 Three Springs Blvd, Durango, CO 81301-8296.
- What is Mark Saddler's phone number?
- The practice phone number listed in the NPPES registry for Mark Saddler is (970) 764-3825.
- Does Mark Saddler accept Medicare?
- Mark Saddler is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mark Saddler's NPI active?
- Yes — Mark Saddler's NPI (1821062282) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.