Doctor profile · Federal record

Dr. Robert Giles, PA-C

Physician Assistant · Physician Assistant · Mason City, IA

  • NPI 1255866356
  • Accepts Medicare
  • 10 yrs in practice
  • Licensed in 2 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
250 S Crescent Dr
Mason City, IA 504012926
(641) 494-5210
fax (641) 494-5214

Credentials & registration

NPPES · NUCC
NPI registered
April 2017 — 9 yrs on file
Profile last updated
February 21, 2024
Year of graduation
2016 — 10 yrs since
Specialty taxonomy
363A00000X — NUCC code
State licenses (2)
Iowa #087446 · Tennessee #3127

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1255866356. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
543
Distinct HCPCS
10
Medicare allowed
$32,724
HCPCS Description Services Patients Avg allowed
20610 Aspiration and/or injection of fluid from large joint 199 94 $38
99213 Established patient office or other outpatient visit, 20-29 minutes 94 77 $52
J1040 Injection, methylprednisolone acetate, 80 mg 67 24 $12
20610 Aspiration and/or injection of fluid from large joint 40 24 $59
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 40 40 $103
27447 Replacement of knee joint, both sides of knee 28 28 $158
99214 Established patient office or other outpatient visit, 30-39 minutes 27 26 $77
23472 Prosthetic repair of shoulder joint, total shoulder 21 21 $178
99213 Established patient office or other outpatient visit, 20-29 minutes 16 16 $68
27236 Treatment of upper end of broken thigh bone with placement of stabilizing device or prosthetic replacement 11 11 $147

In context: peer comparison

Among 10 peers in Mason City Physician Assistant, average services per provider: 108. This provider delivers 5.0× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
132
Patients
115
Total drug cost
$900
Drug Type Claims Patients Total cost
Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) Brand 42 38 $428
Oxycodone Hcl Generic 42 40 $261
Tramadol Hcl Generic 37 26 $103
Methylprednisolone Generic 11 11 $108

Frequently asked questions

Auto-generated from federal data
What is Dr. Robert Giles's medical specialty?
Dr. Robert Giles practices Physician Assistant in Mason City, IA.
Where does Dr. Robert Giles practice?
Dr. Robert Giles practices at 250 S Crescent Dr, Mason City, IA 504012926. Office phone: 6414945210.
What is Dr. Robert Giles's NPI?
Dr. Robert Giles's National Provider Identifier (NPI) is 1255866356, issued by NPPES.
Does Dr. Robert Giles accept Medicare assignment?
Yes. Dr. Robert Giles accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Robert Giles commonly perform?
Top Medicare-reported procedures in 2023: Aspiration and/or injection of fluid from large joint (HCPCS 20610); Established patient office or other outpatient visit (HCPCS 99213); Injection, methylprednisolone acetate, 80 mg (HCPCS J1040). Source: CMS Medicare Physician & Other Practitioners file.