Sarah Diaz, DO
NPI 1376903708 · Surgery Physician · Duluth, MN
Enrolled with Medicare as Practitioner - General Surgery · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Sarah Diaz, DO is a Surgery Physician provider in Duluth, MN (NPI 1376903708).
Provider details
- NPI number
- 1376903708
- Entity type
- Individual
- Primary specialty
- Surgery PhysicianAllopathic & Osteopathic Physicians
- Credential
- DO
- Sex
- Female
- Sole proprietor
- No
- License
- 81775 (WI)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
10 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
305 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) |
|---|---|---|
| Biopsy of Large Bowel Using a Flexible Endoscope45380 | 50 | $122 |
| Diagnostic Exam of Anus Using an Endoscope46600 | 45 | $39 |
| Removal of Polyps Or Growths of Large Bowel Using an Endoscope With Mechanical Snare45385 | 42 | $234 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 29 | $63 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 25 | $75 |
| New Patient Office Or Other Outpatient Visit With Low Level of Medical Decision Making, If Using Time, 30 Minutes Or More |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 7 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Peg3350/Sod Sulf,bicarb,cl/Kclbrand: Gavilyte-G | 107 | 105 |
| Peg3350/Sod Sulf,bicarb,cl/Kclbrand: Peg-3350 and Electrolytes | 84 | 83 |
| Metronidazole | 45 | 44 |
| Neomycin Sulfate | 43 | 41 |
| Sod Sulf/Pot Chloride/Mag Sulfbrand: Sutab | 29 | 29 |
| Sodium Chloride/Nahco3/Kcl/Pegbrand: Peg 3350-Electrolyte | 16 | 16 |
| Celecoxib | 13 |
Practice location
Mailing address
Additional practice locations (1)
- 4100 Campus Ridge DrMidland, MI 48640-6139Phone: (989) 839-1795
Registry dates
- Enumerated
- 2016-02-26
- Last updated
- 2025-06-24
- Certified
- 2025-06-24
Frequently asked questions
- What is Sarah Diaz's NPI number?
- Sarah Diaz's National Provider Identifier (NPI) is 1376903708, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Sarah Diaz's specialty?
- Sarah Diaz is listed in the NPPES registry with a primary specialty of Surgery Physician (Allopathic & Osteopathic Physicians).
- Where is Sarah Diaz located?
- Sarah Diaz's practice location on file with NPPES is 400 E 3rd St, Duluth, MN 55805-1951.
- What is Sarah Diaz's phone number?
- The practice phone number listed in the NPPES registry for Sarah Diaz is (218) 786-8364.
- Does Sarah Diaz accept Medicare?
- Sarah Diaz is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Sarah Diaz's NPI active?
- Yes — Sarah Diaz's NPI (1376903708) is active in the NPPES registry as of the last update on 2025-06-24.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.