Phillip L. Knapp, OD
Corneal and Contact Management Optometrist · Littleton, CO
Phillip L. Knapp, OD is a corneal and contact management optometrist with a practice address in Littleton, Colorado, and NPI 1942280185, issued on Jan 21, 2006. Check the license (Colorado 1680, as entered in NPPES) with the Colorado board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Phillip L. Knapp
- Credential
- OD
- Primary taxonomy
- Corneal and Contact Management Optometrist 152WC0802X
- License number
- 1680 CO
Self-reported in NPPES; status is on the state search - Practice location
- 11852 Shaffer Dr, Littleton, CO 80127
- Phone
- (303) 933-0353
- Enumerated
- Jan 21, 2006
- Record last updated
- Jul 31, 2008 (not updated in 18 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20050927000546); accepts Medicare assignment
- Medical or professional school
- Illinois College Of Optometry At Chicago, 1994
- Entity
- Type 1 · individual
8 nearest corneal and contact management optometrist records → All 38 in Colorado → Look up another NPI →
Verify Phillip L. Knapp in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Colorado board licenses this profession
Search for license 1680Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
40% fewer Medicare Part D claims than the average corneal and contact management optometrist in 2024
134 Medicare Part D claims for 39 beneficiaries, against an average of 225 among the 585 providers of this specialty who prescribed in Part D.
Most prescribed
- Ketorolac Tromethamine37 claims
- Brimonidine Tartrate26 claims
- Fluorometholone16 claims
- Valacyclovir12 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Phillip L. Knapp among 38 corneal and contact management optometrist records in Colorado
Phillip L. Knapp, OD is one of 38 corneal and contact management optometrist records with a practice address in Colorado. 68% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 21% of them.
- NPI issued2006 · 21% of these records are older, 37% newer
- In a Medicare fileYes · 68% of these records are
- In the CMS Doctors and Clinicians fileYes · 53% of these records are
- Graduated1994 · median 1997 among the 20 with a school on file
- Record last updated2008 · 76% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 152WC0802X and a Colorado practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Corneal and Contact Management Optometrist providers in Colorado
There are 38 corneal and contact management optometrist records in Colorado.
All 38 in Colorado → Every provider in Littleton → Corneal and Contact Management Optometrist nationwide →
The 8 corneal and contact management optometrist records with the nearest ZIP codes
- Mark Strum, O.D.Littleton, CO 801221962519496
- Jon Pederson, ODCentennial, CO 801211407842628
- Jerry Bell, O. D.Parker, CO 801381568452563
- Sarah Bell, O.D.Parker, CO 801381548250566
- Samantha Kincaid, O.D.Parker, CO 801381629483144
- Vasi Alevras-Sztukowski, ODCentennial, CO 801121851477681
- Paul Conkling, O.D.Centennial, CO 801121548376965
- John Schachet, ODCentennial, CO 801121699850412
Common questions
What is Phillip L. Knapp, OD's NPI number?
Phillip L. Knapp, OD's National Provider Identifier (NPI) is 1942280185, issued on Jan 21, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Phillip L. Knapp, OD located?
The NPPES record lists a practice address at 11852 Shaffer Dr, Littleton, CO, 80127. Phone: (303) 933-0353. Providers update this record themselves, so call before visiting.
How can I verify Phillip L. Knapp, OD's license?
NPPES lists Colorado license number 1680, as entered by the provider. Search the Colorado board that licenses this profession; the NPPES record confirms identity only.
How much does Phillip L. Knapp, OD prescribe under Medicare Part D?
In 2024, Phillip L. Knapp, OD had 134 Medicare Part D claims for 39 beneficiaries; the average among corneal and contact management optometrist prescribers was 225. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.