Doctor profile · Federal record

Dr. George Lach, O.D.

Optometrist (CMS: Optometry) · Mankato, MN

  • NPI 1609826577
  • Accepts Medicare
  • 27 yrs in practice
  • Male
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
220 E Main St
Mankato, MN 560013574
(507) 345-5087
Mailing address
1722 Candi Ln
North Mankato, MN 560032001

Credentials & registration

NPPES · NUCC
NPI registered
May 2006 — 20 yrs on file
Profile last updated
July 8, 2007
Year of graduation
1999 — 27 yrs since
Specialty taxonomy
152W00000X — NUCC code
State license (1)
Minnesota #2758

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1609826577. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
346
Distinct HCPCS
7
Medicare allowed
$35,623
HCPCS Description Services Patients Avg allowed
92014 Established patient complete exam of visual system 198 198 $126
99213 Established patient office or other outpatient visit, 20-29 minutes 39 34 $87
92134 Imaging of retina 29 23 $39
92083 Exam of visual field with extended testing 24 19 $63
92004 New patient complete exam of visual system 23 23 $150
92250 Photography of the retina 18 18 $37
92133 Imaging of optic nerve 15 12 $34

In context: peer comparison

Among 5 peers in this city , average services per provider: 71. This provider delivers 4.9× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$63
Transactions
2
Manufacturers
2
Payer (manufacturer) Industry Txns Amount
LKC Technologies, Inc. 1 $35.36
CooperVision Inc. 1 $27.48

By nature of payment

Food and Beverage
$63

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
127
Patients
26
Total drug cost
$5,810
Drug Type Claims Patients Total cost
Latanoprost Generic 85 26 $2,374
Timolol Maleate Generic 17 0 $116
Dorzolamide-Timolol (Dorzolamide Hcl/Timolol Maleat) Brand 14 0 $338
Travoprost Generic 11 0 $2,982

Frequently asked questions

Auto-generated from federal data
What is Dr. George Lach's medical specialty?
Dr. George Lach practices Optometrist in Mankato, MN.
Where does Dr. George Lach practice?
Dr. George Lach practices at 220 E Main St, Mankato, MN 560013574. Office phone: 5073455087.
What is Dr. George Lach's NPI?
Dr. George Lach's National Provider Identifier (NPI) is 1609826577, issued by NPPES.
Does Dr. George Lach accept Medicare assignment?
Yes. Dr. George Lach accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. George Lach commonly perform?
Top Medicare-reported procedures in 2023: Established patient complete exam of visual system (HCPCS 92014); Established patient office or other outpatient visit (HCPCS 99213); Imaging of retina (HCPCS 92134). Source: CMS Medicare Physician & Other Practitioners file.