Doctor profile · Federal record

Dr. William Fangman, MD

Emergency Medicine Physician (CMS: Emergency Medicine) · Student in an Organized Health Care Education/Training Program · Waterloo, IA

  • NPI 1457611931
  • 14 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
1825 Logan Ave
Waterloo, IA 50703
(319) 235-3941
Additional location
1000 Oakland Dr
Kalamazoo, MI 490081282
(269) 337-4400

Credentials & registration

NPPES · NUCC
NPI registered
May 2012 — 14 yrs on file
Profile last updated
October 9, 2018
Year of graduation
2012 — 14 yrs since
Specialty taxonomy
207P00000X — NUCC code
State license (1)
Michigan #4301100664

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1457611931. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
560
Distinct HCPCS
5
Medicare allowed
$52,424
HCPCS Description Services Patients Avg allowed
93010 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 209 185 $7
99285 Emergency department visit with high level of medical decision making 202 195 $159
99284 Emergency department visit with moderate level of medical decision making 102 100 $108
99291 Critical care, first 30-74 minutes 36 35 $193
99283 Emergency department visit with low level of medical decision making 11 11 $65

In context: peer comparison

Among 8 peers in this city , average services per provider: 93. This provider delivers 6.0× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
109
Patients
109
Total drug cost
$649
Drug Type Claims Patients Total cost
Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) Brand 36 36 $154
Prednisone Generic 28 28 $53
Cephalexin Generic 19 19 $140
Amoxicillin-Clavulanate Potass (Amoxicillin/Potassium Clav) Brand 13 13 $166
Doxycycline Hyclate Generic 13 13 $136

Frequently asked questions

Auto-generated from federal data
What is Dr. William Fangman's medical specialty?
Dr. William Fangman practices Emergency Medicine Physician in Waterloo, IA.
Where does Dr. William Fangman practice?
Dr. William Fangman practices at 1825 Logan Ave, Waterloo, IA 50703. Office phone: 3192353941.
What is Dr. William Fangman's NPI?
Dr. William Fangman's National Provider Identifier (NPI) is 1457611931, issued by NPPES.
Does Dr. William Fangman accept Medicare assignment?
Dr. William Fangman does not accept Medicare assignment for all services. Patients may be billed amounts beyond Medicare-allowed charges.
What procedures does Dr. William Fangman commonly perform?
Top Medicare-reported procedures in 2023: Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (HCPCS 93010); Emergency department visit with high level of medical decision making (HCPCS 99285); Emergency department visit with moderate level of medical decision making (HCPCS 99284). Source: CMS Medicare Physician & Other Practitioners file.