Doctor profile · Federal record

Dr. Magdalene Fiddler, MD

Hospitalist Physician (CMS: Internal Medicine) · Sioux Falls, SD

  • NPI 1801151170
  • Accepts Medicare
  • 14 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1325 S Cliff Ave
Sioux Falls, SD 571051007
(605) 322-7905
Mailing address
Po Box 86370
Sioux Falls, SD 571186370

Credentials & registration

NPPES · NUCC
NPI registered
July 2012 — 14 yrs on file
Profile last updated
October 17, 2018
Year of graduation
2012 — 14 yrs since
Specialty taxonomy
208M00000X — NUCC code
State license (1)
South Dakota #9535

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1801151170. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
967
Distinct HCPCS
7
Medicare allowed
$84,163
HCPCS Description Services Patients Avg allowed
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 323 149 $113
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 319 139 $75
93010 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 144 141 $8
99239 Hospital discharge day management, more than 30 minutes 86 86 $109
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 54 54 $166
99231 Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 25 12 $47
99291 Critical care, first 30-74 minutes 16 15 $202

In context: peer comparison

Among 27 peers in this city , average services per provider: 127. This provider delivers 7.6× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
123
Patients
0
Total drug cost
$1,410
Drug Type Claims Patients Total cost
Carvedilol Generic 26 0 $163
Omeprazole Generic 24 0 $135
Simvastatin Generic 24 0 $113
Pantoprazole Sodium Generic 21 0 $335
Mirtazapine Generic 15 0 $260
Oxcarbazepine Generic 13 0 $405

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Magdalene Fiddler's medical specialty?
Dr. Magdalene Fiddler practices Hospitalist Physician in Sioux Falls, SD.
Where does Dr. Magdalene Fiddler practice?
Dr. Magdalene Fiddler practices at 1325 S Cliff Ave, Sioux Falls, SD 571051007. Office phone: 6053227905.
What is Dr. Magdalene Fiddler's NPI?
Dr. Magdalene Fiddler's National Provider Identifier (NPI) is 1801151170, issued by NPPES.
Does Dr. Magdalene Fiddler accept Medicare assignment?
Yes. Dr. Magdalene Fiddler accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Magdalene Fiddler commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (HCPCS 93010). Source: CMS Medicare Physician & Other Practitioners file.