Doctor profile · Federal record

Dr. James Davison, MD

Ophthalmology Physician · Marshalltown, IA

  • NPI 1104818996
  • 21 yrs on file
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
309 E Church St
Marshalltown, IA 501582946
(641) 754-6200
fax (641) 752-7420

Credentials & registration

NPPES · NUCC
NPI registered
August 2005 — 21 yrs on file
Profile last updated
May 12, 2015
Specialty taxonomy
207W00000X — NUCC code
State license (1)
Iowa #22087
Medicaid
IA #0172262

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1104818996. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
2,400
Distinct HCPCS
10
Medicare allowed
$351,563
HCPCS Description Services Patients Avg allowed
92136 Measurement of corneal curvature and depth of eye 823 293 $24
66984 Removal of cataract with insertion of prosthetic lens 821 273 $250
99204 New patient office or other outpatient visit, 45-59 minutes 167 167 $155
92134 Imaging of retina 136 133 $35
92004 New patient complete exam of visual system 106 106 $137
66982 Complex removal of cataract with insertion of prosthetic lens 102 41 $370
66821 Removal of recurring cataract in lens capsule using a laser 85 82 $326
92014 Established patient complete exam of visual system 71 70 $116
99214 Established patient office or other outpatient visit, 30-39 minutes 55 54 $119
92133 Imaging of optic nerve 23 23 $32

In context: peer comparison

Among 1 peers in Marshalltown Ophthalmology Physician, average services per provider: 218. This provider delivers 11× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$83
Transactions
2
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Alcon Vision LLC 2 $82.90

By nature of payment

Food and Beverage
$83

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
924
Patients
847
Total drug cost
$81,802
Drug Type Claims Patients Total cost
Prednisolone Acetate Generic 386 357 $20,631
Moxifloxacin (Moxifloxacin Hcl) Brand 354 338 $9,168
Prolensa (Bromfenac Sodium) Brand 142 138 $51,513
Ketorolac Tromethamine Generic 16 14 $377
Prednisone Generic 13 0 $68
Tobramycin Generic 13 0 $45

Frequently asked questions

Auto-generated from federal data
What is Dr. James Davison's medical specialty?
Dr. James Davison practices Ophthalmology Physician in Marshalltown, IA.
Where does Dr. James Davison practice?
Dr. James Davison practices at 309 E Church St, Marshalltown, IA 501582946. Office phone: 6417546200.
What is Dr. James Davison's NPI?
Dr. James Davison's National Provider Identifier (NPI) is 1104818996, issued by NPPES.
What procedures does Dr. James Davison commonly perform?
Top Medicare-reported procedures in 2023: Measurement of corneal curvature and depth of eye (HCPCS 92136); Removal of cataract with insertion of prosthetic lens (HCPCS 66984); New patient office or other outpatient visit (HCPCS 99204). Source: CMS Medicare Physician & Other Practitioners file.