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Edit this profileKarin L. Underkoffler, OD is an optometrist based in Westborough, MA. Karin is a 1987 graduate of Pennsylvania College of Optometry. According to Medicare claims data, Karin cared for 657 Medicare patients across 695 services. The services billed most often include established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more, established patient complete exam of visual system, and imaging of optic nerve. The provider's National Provider Identifier (NPI) is 1699757666.
Factual summary compiled by Guide.md from public records; not written by this provider.
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
900 UNION ST
Westborough, MA 01581
135 Goldstar Blvd
Worcester, MA 01606
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
695 services · 657 patients · 9 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Established patient complete exam of visual system | Treatment | 92014 |
170 | More often than most peers in Optometrist |
| Imaging of optic nerve | Treatment | 92133 |
129 | More often than most peers in Optometrist |
| Exam of visual field with extended testing | Treatment | 92083 |
65 | More often than most peers in Optometrist |
| New patient complete exam of visual system | Treatment | 92004 |
33 | As often as other peers in Optometrist |
| Imaging of retina | Treatment | 92134 |
13 | Less often than most peers in Optometrist |
| Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more | Office visit | 99212 |
215 | More than most peers in Optometrist |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
34 | As often as other peers in Optometrist |
| New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more | Office visit | 99203 |
24 | More often than most peers in Optometrist |
| Office or other outpatient visit for the evaluation and management of established patient that may not require presence of healthcare professional | Office visit | 99211 |
12 | Less often than most peers in Optometrist |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Dr. Underkoffler is an optometrist in Westborough, MA. That is the designation recorded for this NPI in the federal registry.
NPI registry
Dr. Underkoffler is listed at 900 Union St, Westborough, MA 01581. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (508) 871-1799. Contact the office directly to confirm availability and scheduling.
NPI registry
Dr. Underkoffler's National Provider Identifier is 1699757666. 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
Dr. Underkoffler attended Pennsylvania College of Optometry, graduating in 1987. This comes from the CMS National Downloadable File.
CMS public data
Dr. Underkoffler has 39 years experience. Calculated from a graduation year of 1987, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, Dr. Underkoffler provides treatments such as established patient complete exam of visual system and imaging of optic nerve, 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 Dr. Underkoffler. If this is you, claiming it is free.
Guide.md
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