Sarah Elfering, M.D.
NPI 1225205180 · Nephrology Physician · Minneapolis, MN
Enrolled with Medicare as Practitioner - Nephrology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Sarah Elfering, M.D. is a Nephrology Physician provider in Minneapolis, MN (NPI 1225205180).
Provider details
- NPI number
- 1225205180
- Entity type
- Individual
- Primary specialty
- Nephrology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- 52772 (MN)
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
18 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
414 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) |
|---|---|---|
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 146 | $112 |
| Dialysis Services, 2-3 Physician Visits Per Month (20 Years Or Older)90961 | 95 | $280 |
| Dialysis Services, 1 Physician Visit Per Month (20 Years Or Older)90962 | 46 | $193 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 31 | $162 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 25 | $77 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 22 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Losartan Potassium | 88 | 28 |
| Amlodipine Besylate | 72 | 19 |
| Potassium Citratebrand: Potassium Citrate Er | 58 | 21 |
| Chlorthalidone | 57 | 16 |
| Lisinopril | 42 | 12 |
| Amiloride Hcl | 37 | — |
| Potassium Chloride | 34 | — |
Practice location
Mailing address
Registry dates
- Enumerated
- 2008-05-09
- Last updated
- 2024-05-07
- Certified
- 2024-05-07
Frequently asked questions
- What is Sarah Elfering's NPI number?
- Sarah Elfering's National Provider Identifier (NPI) is 1225205180, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Sarah Elfering's specialty?
- Sarah Elfering is listed in the NPPES registry with a primary specialty of Nephrology Physician (Allopathic & Osteopathic Physicians).
- Where is Sarah Elfering located?
- Sarah Elfering's practice location on file with NPPES is 909 Fulton St Se, Minneapolis, MN 55455-4800.
- What is Sarah Elfering's phone number?
- The practice phone number listed in the NPPES registry for Sarah Elfering is (612) 672-7422.
- Does Sarah Elfering accept Medicare?
- Sarah Elfering is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Sarah Elfering's NPI active?
- Yes — Sarah Elfering's NPI (1225205180) is active in the NPPES registry as of the last update on 2024-05-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.