Doctor profile · Federal record

Dr. Michael Harshman, O.D.

Optometrist (CMS: Optometry) · Decatur, IN

  • NPI 1598844946
  • 36 yrs in practice
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
815 South 13Th St.
Decatur, IN 46733
(260) 724-4111
fax (260) 724-4188

Credentials & registration

NPPES · NUCC
NPI registered
November 2006 — 20 yrs on file
Profile last updated
July 31, 2008
Year of graduation
1990 — 36 yrs since
Specialty taxonomy
152W00000X — NUCC code
State license (1)
Indiana #18002484

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1598844946. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
335
Distinct HCPCS
4
Medicare allowed
$27,375
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 145 82 $71
92014 Established patient complete exam of visual system 132 131 $98
66821 Removal of recurring cataract in lens capsule using a laser 29 19 $51
66984 Removal of cataract with insertion of prosthetic lens 29 15 $93

In context: peer comparison

Among 1 peers in Decatur Optometrist, average services per provider: 83. This provider delivers 4.0× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
423
Patients
145
Total drug cost
$20,895
Drug Type Claims Patients Total cost
Latanoprost Generic 131 18 $975
Tobramycin-Dexamethasone (Tobramycin/Dexamethasone) Brand 105 72 $7,349
Ketorolac Tromethamine Generic 62 29 $1,328
Lotemax Sm (Loteprednol Etabonate) Brand 35 0 $8,552
Epinastine Hcl Generic 27 0 $1,690
Timolol Maleate Generic 27 0 $319
Ofloxacin Generic 20 13 $184
Prednisolone Acetate Generic 16 13 $499

Frequently asked questions

Auto-generated from federal data
What is Dr. Michael Harshman's medical specialty?
Dr. Michael Harshman practices Optometrist in Decatur, IN.
Where does Dr. Michael Harshman practice?
Dr. Michael Harshman practices at 815 South 13Th St., Decatur, IN 46733. Office phone: 2607244111.
What is Dr. Michael Harshman's NPI?
Dr. Michael Harshman's National Provider Identifier (NPI) is 1598844946, issued by NPPES.
Does Dr. Michael Harshman accept Medicare assignment?
Dr. Michael Harshman does not accept Medicare assignment for all services. Patients may be billed amounts beyond Medicare-allowed charges.
What procedures does Dr. Michael Harshman commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Established patient complete exam of visual system (HCPCS 92014); Removal of recurring cataract in lens capsule using a laser (HCPCS 66821). Source: CMS Medicare Physician & Other Practitioners file.