Doctor profile · Federal record

Dr. Sarah Elfering, M.D.

Nephrology Physician (CMS: Nephrology) · Minneapolis, MN

  • NPI 1225205180
  • Accepts Medicare
  • 20 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
909 Fulton St Se
Minneapolis, MN 554554800
(612) 672-7422
fax (612) 672-5022
Mailing address
717 Delaware St Se, Suite 353
Minneapolis, MN 554142959

Credentials & registration

NPPES · NUCC
NPI registered
May 2008 — 18 yrs on file
Profile last updated
May 7, 2024
Year of graduation
2006 — 20 yrs since
Specialty taxonomy
207RN0300X — NUCC code
State license (1)
Minnesota #52772

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1225205180. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
401
Distinct HCPCS
9
Medicare allowed
$79,453
HCPCS Description Services Patients Avg allowed
90961 Dialysis services, 2-3 physician visits per month (20 years or older) 113 27 $293
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 67 31 $115
90962 Dialysis services, 1 physician visit per month (20 years or older) 66 16 $202
90960 Dialysis services, 4 or more physician visits per month (20 years or older) 40 11 $352
99214 Established patient office or other outpatient visit, 30-39 minutes 39 33 $73
99215 Established patient office or other outpatient visit, 40-54 minutes 30 22 $97
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 17 12 $74
99214 Established patient office or other outpatient visit, 30-39 minutes 15 13 $126
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 14 13 $166

In context: peer comparison

Among 18 peers in this city , average services per provider: 62. This provider delivers 6.5× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
586
Patients
124
Total drug cost
$52,783
Drug Type Claims Patients Total cost
Losartan Potassium Generic 106 35 $2,243
Potassium Citrate Er (Potassium Citrate) Brand 71 21 $12,691
Carvedilol Generic 54 16 $1,499
Amlodipine Besylate Generic 53 16 $1,009
Calcium Acetate Generic 42 13 $3,167
Chlorthalidone Generic 37 12 $689
Potassium Chloride Generic 34 0 $2,079
Gabapentin Generic 31 0 $260
Amiloride Hcl Generic 29 0 $836
Torsemide Generic 27 0 $1,496

Frequently asked questions

Auto-generated from federal data
What is Dr. Sarah Elfering's medical specialty?
Dr. Sarah Elfering practices Nephrology Physician in Minneapolis, MN.
Where does Dr. Sarah Elfering practice?
Dr. Sarah Elfering practices at 909 Fulton St Se, Minneapolis, MN 554554800. Office phone: 6126727422.
What is Dr. Sarah Elfering's NPI?
Dr. Sarah Elfering's National Provider Identifier (NPI) is 1225205180, issued by NPPES.
Does Dr. Sarah Elfering accept Medicare assignment?
Yes. Dr. Sarah Elfering accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Sarah Elfering commonly perform?
Top Medicare-reported procedures in 2023: Dialysis services, 2-3 physician visits per month (20 years or older) (HCPCS 90961); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Dialysis services, 1 physician visit per month (20 years or older) (HCPCS 90962). Source: CMS Medicare Physician & Other Practitioners file.