Provider Profile
George J. Lach, O.D. is an optometrist based in Mankato, MN. George is a 1999 graduate of Pacific University - College of Optometry. Medicare claims data shows George provided 2,034 services to 319 patients. The services billed most often include removal of cataract with insertion of prosthetic lens, established patient complete exam of visual system, and established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
License numbers are what the provider reported to NPPES when the NPI was issued or updated. NPPES does not verify licensure; confirm current standing with the state licensing board.
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
220 E MAIN ST
Mankato, MN 56001
Within Optometry generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Most searched conditions
Contact lens issues
Cornea conditions
Corneal issues
Eye conditions
Eye discomfort
Eye diseases
Eye infections
Eye inflammation
Eye injuries
Eye irritation
Eye surface issues
Eyelid conditions
Eyelid issues
Pediatric eye conditions
Pupil issues
Tear duct issues
Vision changes
Most searched procedures
Contact lens exams
Dry eye treatments
Examinations
Eyelid care
Eyelid treatments
General exams
Glasses and eyewear
Imaging & tests
Imaging and scans
Minor procedures
Specialty lenses
Surgical evaluations
Tear duct procedures
Therapy
Urgent care
Vision correction
2,034 services · 319 patients · 6 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Removal of cataract with insertion of prosthetic lens | Procedure | 66984 |
1,719 | More often than most peers in Optometrist |
| Established patient complete exam of visual system | Treatment | 92014 |
183 | More often than most peers in Optometrist |
| New patient complete exam of visual system | Treatment | 92004 |
34 | As often as other peers in Optometrist |
| Imaging of retina | Treatment | 92134 |
28 | As often as other peers in Optometrist |
| Exam of visual field with extended testing | Treatment | 92083 |
21 | |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
49 | As often as other peers in Optometrist |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
George J. Lach is an optometrist in Mankato, MN. That is the designation recorded for this NPI in the federal registry.
NPI registry
George J. Lach is listed at 220 E Main St, Mankato, MN 56001. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (507) 345-5087. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
George J. Lach's National Provider Identifier is 1609826577. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
George J. Lach attended Pacific University - College of Optometry, graduating in 1999. This comes from the CMS National Downloadable File.
CMS public data
George J. Lach has 27 years experience. Calculated from a graduation year of 1999, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, George J. Lach performs procedures including removal of cataract with insertion of prosthetic lens; provides treatments such as established patient complete exam of visual system and new patient complete exam of visual system, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Not yet. This profile is built from public federal data and has not been confirmed by George J. Lach. If this is you, claiming it is free.
Guide.md
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.