Doctor profile · Federal record

Dr. William Barry, MD

Hospitalist Physician (CMS: Hospitalist) · Ames, IA

  • NPI 1558358440
  • Accepts Medicare
  • 30 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1111 Duff Ave
Ames, IA 500105793
(515) 239-6992
fax (515) 239-3642

Credentials & registration

NPPES · NUCC
NPI registered
October 2005 — 21 yrs on file
Profile last updated
November 10, 2020
Year of graduation
1996 — 30 yrs since
Specialty taxonomy
208M00000X — NUCC code
State license (1)
Iowa #33407
Medicaid
IA #1213397

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1558358440. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
727
Distinct HCPCS
4
Medicare allowed
$86,584
HCPCS Description Services Patients Avg allowed
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 425 396 $165
93010 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 197 151 $8
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 78 77 $123
99291 Critical care, first 30-74 minutes 27 26 $202

In context: peer comparison

Among 5 peers in Ames Hospitalist Physician, average services per provider: 163. This provider delivers 4.5× the peer median.

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. William Barry's medical specialty?
Dr. William Barry practices Hospitalist Physician in Ames, IA.
Where does Dr. William Barry practice?
Dr. William Barry practices at 1111 Duff Ave, Ames, IA 500105793. Office phone: 5152396992.
What is Dr. William Barry's NPI?
Dr. William Barry's National Provider Identifier (NPI) is 1558358440, issued by NPPES.
Does Dr. William Barry accept Medicare assignment?
Yes. Dr. William Barry accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. William Barry commonly perform?
Top Medicare-reported procedures in 2023: Initial hospital care with moderate level of medical decision making (HCPCS 99223); Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (HCPCS 93010); Initial hospital care with straightforward or low-level medical decision making (HCPCS 99222). Source: CMS Medicare Physician & Other Practitioners file.