DR. PHILLIP L. KNAPP OD
NPI 1942280185
Optometrist - Corneal and Contact Management in Littleton, CO

Active since January 21, 2006PECOS EnrolledAccepts Medicare Assignment
11852 SHAFFER DR, BUILDING M, LITTLETON, CO 80127(303) 933-0353 Get Directions Write a Review

NPPES record last updated: July 31, 2008. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Dr. Phillip L. Knapp Od NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. PHILLIP L. KNAPP OD (NPI 1942280185) is an individual corneal and contact management provider in Littleton, Colorado, licensed in Colorado (1680) and active in the NPI registry since January 2006. He is enrolled in Medicare PECOS and is a graduate of Illinois College Of Optometry At Chicago (1994).

NPPES Registry Identity

NPI1942280185
Entity TypeIndividualMale
Primary Taxonomy152WC0802X
Provider Legal NameDR. PHILLIP L. KNAPPCredential: OD
Location Address11852 SHAFFER DR, BUILDING MLittleton, CO 80127-3764
Mailing Address11852 Shaffer Dr, Building MLittleton, CO 80127-3764 · (303) 933-0353
Sole ProprietorNo
Medical School CMSIllinois College Of Optometry At ChicagoGraduated 1994
Enumeration DateJanuary 21, 2006
Last NPPES UpdateJuly 31, 2008
✔ NPI 1942280185 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyOptometrist · Corneal and Contact ManagementEye and Vision Services Providers
Taxonomy Code152WC0802X
License✔ Licensed in CO · 1680
Definition
The professional activities performed by an Optometrist related to the fitting of contact lenses to an eye, ongoing evaluation of the cornea's ability to sustain successful contact lens wear, and treatment of any external eye or corneal condition which can affect contact lens wear.
11852 SHAFFER DR, Littleton, CO 80127

Other Identifiers 3

Medicare UPINU56598CO
Medicare PINC43863CO
Other1942280185CO · Npi Persoanl

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Phillip L. Knapp Od is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID7810921004
PECOS Enrollment IDI20050927000546
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency– Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignment

Medicare enrollment records show Phillip Knapp reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Corneal and Contact Management
11852 SHAFFER DR, BUILDING M
Littleton, CO 80127
  • Reassigned Medicare billing, Colorado enrollment

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 3

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Photography of the retina 92250
Photography of the retina, also known as retinal imaging, is a non-invasive procedure that captures images of the back of your eye. This helps doctors identify and monitor conditions like glaucoma, macular degeneration, or diabetic retinopathy. It's painless and quick, often part of a routine eye exam.
59 services57 patients
Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215
This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.
58 services52 patients
Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
27 services18 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 80127 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$132.55 typical visit price
range $58.06 – $174.82
Typical copayment $33.13 (range $14.51 – $43.70)
Most-billed visit code 99204
Established Patient
$72.20 typical visit price
range $18.88 – $142.79
Typical copayment $18.05 (range $4.72 – $35.69)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Optometrist (Corneal and Contact Management)
11852 SHAFFER DR, BUILDING M
LITTLETON, CO 80127

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Phillip Knapp's NPI number?

The NPI number for Phillip Knapp is 1942280185. It was assigned to this individual provider in the NPPES registry on January 21, 2006.

Where is Phillip Knapp located?

Phillip Knapp practices at 11852 Shaffer Dr Building M, Littleton, CO 80127. The listed phone number is (303) 933-0353.

What is Phillip Knapp's specialty?

The primary specialty registered for this NPI is Optometrist, specializing in Corneal and Contact Management, with taxonomy code 152WC0802X.

Is Phillip Knapp enrolled in Medicare?

Yes. Phillip Knapp is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organization bills Medicare for Phillip Knapp's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Phillip Knapp reassigns Medicare benefits to Bowles Avenue Eye Care, Inc (Littleton, CO). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Phillip Knapp's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Phillip Knapp accept?

Health plans from BlueCross BlueShield of Tennessee and Providence Health Plan list Phillip Knapp as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Phillip Knapp was last updated on July 31, 2008. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.