Doctor profile · Federal record

Dr. William Hartman, OD

Optometrist (CMS: Optometry) · Wadena, MN

  • NPI 1639183734
  • Accepts Medicare
  • 35 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
315 Jefferson St S
Wadena, MN 564821533
(218) 631-1456
fax (218) 631-3213
Mailing address
1508 2Nd St Sw
Wadena, MN 564822115

Credentials & registration

NPPES · NUCC
NPI registered
July 2006 — 20 yrs on file
Profile last updated
July 8, 2007
Year of graduation
1991 — 35 yrs since
Specialty taxonomy
152W00000X — NUCC code
State license (1)
Minnesota #2355
Medicaid
MN #171525900

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1639183734. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
3,428
Distinct HCPCS
10
Medicare allowed
$73,107
HCPCS Description Services Patients Avg allowed
66984 Removal of cataract with insertion of prosthetic lens 2,476 15 $1
99213 Established patient office or other outpatient visit, 20-29 minutes 213 150 $90
92014 Established patient complete exam of visual system 201 200 $128
92250 Photography of the retina 193 192 $38
92134 Imaging of retina 102 98 $41
92020 Exam of the internal drainage system of eye 66 62 $28
92133 Imaging of optic nerve 52 45 $37
92083 Exam of visual field with extended testing 50 49 $64
99212 Established patient office or other outpatient visit, 10-19 minutes 24 23 $56
99214 Established patient office or other outpatient visit, 30-39 minutes 16 13 $127

In context: peer comparison

Among 3 peers in Wadena Optometrist, average services per provider: 328. This provider delivers 10× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
382
Patients
97
Total drug cost
$12,094
Drug Type Claims Patients Total cost
Latanoprost Generic 219 62 $5,678
Timolol Maleate Generic 46 16 $630
Travoprost Generic 26 0 $2,867
Azelastine Hcl Generic 24 0 $652
Neomycin-Polymyxin-Dexameth (Neomycin/Polymyxin B/Dexametha) Brand 21 19 $316
Brimonidine Tartrate Generic 19 0 $1,097
Dorzolamide Hcl Generic 15 0 $640
Ofloxacin Generic 12 0 $214

Frequently asked questions

Auto-generated from federal data
What is Dr. William Hartman's medical specialty?
Dr. William Hartman practices Optometrist in Wadena, MN.
Where does Dr. William Hartman practice?
Dr. William Hartman practices at 315 Jefferson St S, Wadena, MN 564821533. Office phone: 2186311456.
What is Dr. William Hartman's NPI?
Dr. William Hartman's National Provider Identifier (NPI) is 1639183734, issued by NPPES.
Does Dr. William Hartman accept Medicare assignment?
Yes. Dr. William Hartman accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. William Hartman commonly perform?
Top Medicare-reported procedures in 2023: Removal of cataract with insertion of prosthetic lens (HCPCS 66984); Established patient office or other outpatient visit (HCPCS 99213); Established patient complete exam of visual system (HCPCS 92014). Source: CMS Medicare Physician & Other Practitioners file.