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Edit this profileAt a glance
- 11852 Shaffer Dr, Building M, Littleton, CO 80127
About Dr. Knapp
Based in Littleton, CO, Phillip L. Knapp, OD is listed in the NPI registry under optometrist — corneal & contact lens. Phillip graduated from Illinois College of Optometry at Chicago in 1994. Medicare claims data shows Phillip provided 144 services to 127 patients. The services billed most often include photography of the retina, established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more, and established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more. NPI 1942280185 identifies this record in the national registry.
Factual summary compiled by Guide.md from public records; not written by this provider.
Education & Training
Specialty
Credentials & Licensing
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (303) 933-0353
- Email not available
Practice Locations
11852 SHAFFER DR BUILDING M
Littleton, CO 80127
Conditions Commonly Evaluated or Treated
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.
Conditions
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
- Blurry Vision
- Color Blindness
- Distorted Vision
- Double Vision
- Eye Floaters and Flashes
- Eye Strain
- Farsightedness
- Halos Around Lights
- Light Sensitivity
- Night Blindness
- Posterior vitreous detachment
- Tunnel Vision
- Visual Migraines
Procedures & services
Most searched procedures
Contact lens exams
- Bifocal or Multifocal Contact Lens Fitting
- Contact Lens Training
- Plano (Non-Prescription) Colored Contact Lens Exam
- Toric Contact Lens Fitting
Dry eye treatments
Examinations
- Comprehensive medical eye examination
- Diabetic Eye Exam
- DMV Vision Test
- Low Vision Assessment
- Pediatric Eye Exam
Eyelid care
Eyelid treatments
General exams
Glasses and eyewear
- Blue Light Glasses Consultation
- Eyeglass Frame Adjustment and Repair
- Prescription Sunglasses Consultation
- Prism Eyeglasses Fitting
Imaging & tests
- Color Vision Testing
- Corneal topography
- Coronary optical coherence tomography
- Eye-pressure measurement
- Pachymetry
- Retinal photography
- Visual Field Test
Imaging and scans
Minor procedures
Specialty lenses
Surgical evaluations
Tear duct procedures
Therapy
Urgent care
Vision correction
Procedures Most Often Billed to Medicare
144 services · 127 patients · 3 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Photography of the retina | Treatment | 92250 |
59 | As often as other peers in Optometrist — Corneal & Contact… |
| Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more | Office visit | 99215 |
58 | Too few peers to compare |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
27 | Less often than most peers in Optometrist — Corneal & Contact… |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Also at this address 1
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Trained at Illinois College of Optometry at Chicago 8
Other providers in the same specialty who trained at the same institution.
More connections — 16 related providers in 2 groups
Class of 1994 at Illinois College of Optometry at Chicago 8
Providers who graduated from the same medical school in the same year.
Also performs Photography of the retina 8
Providers in CO who bill this service to Medicare most often.
Common questions
What does Dr. Knapp specialize in?
Dr. Knapp is an optometrist in Littleton, CO. That is the designation recorded for this NPI in the federal registry, where it is listed as “Optometrist — Corneal & Contact Lens”.
NPI registry
Where is Dr. Knapp located?
Dr. Knapp is listed at 11852 Shaffer Dr Building M, Littleton, CO 80127. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Dr. Knapp's phone number?
The number on file is (303) 933-0353. Contact the office directly to confirm availability and scheduling.
NPI registry
What is the NPI for Dr. Knapp?
Dr. Knapp's National Provider Identifier is 1942280185. 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
Where did Dr. Knapp go to medical school?
Dr. Knapp attended Illinois College of Optometry at Chicago, graduating in 1994. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Dr. Knapp have?
Dr. Knapp has 32 years experience. Calculated from a graduation year of 1994, reported in the CMS National Downloadable File.
CMS public data
What does Dr. Knapp do most often?
According to Medicare billing data, Dr. Knapp provides treatments such as photography of the retina, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Dr. Knapp's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Knapp. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.