Medical emergency?Emergency? Call 911. Nearest emergency roomsNearest ERs

Optometry

Michael P. Knarr, OD

Sees patients in Elkridge, MD · Maryland

Summary

Michael P. Knarr, OD (Optometry) is enrolled with Medicare at 1 practice location in Elkridge, MD. NPI 1366605099. Medicare data says the clinician accepts Medicare assignment. Source: CMS National Downloadable File, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Michael P. Knarr, joined by NPI number (data updated 2026-10-02). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

At a glance

OptometryPrimary specialty
YesAccepts Medicare assignment
18Years since medical school (graduated 2008)
Pennsylvania College Of OptometryMedical school
MaleGender (as listed)
Eric Jan, O.D., LLCGroup practice

Quick answers

Where does Michael P. Knarr see patients?
Medicare's clinician data lists 1 practice location in Elkridge, MD. Call before your visit to confirm the address.
What is Michael P. Knarr's specialty?
Medicare lists Optometry as the primary specialty.
Does Michael P. Knarr accept Medicare assignment?
Yes. Medicare's clinician data says Michael P. Knarr accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
What is the phone number for Michael P. Knarr?
(410) 423-4063, as listed in official Medicare / NPI Registry data.
What is Michael P. Knarr's NPI number?
1366605099. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Practice locations

Addresses where Michael P. Knarr is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Michael P. Knarr as a member of this group (CMS data updated 2026-10-02).

  • Eric Jan, O.D., LLC3 clinicians in the group

Specialties

Find other clinicians: Optometry, Maryland →

Other optometrists in Elkridge

Clinicians with the same Medicare primary specialty in Elkridge, MD — not a recommendation.

All optometrists in Elkridge →

Clinician information

CredentialOD
Medical schoolPennsylvania College Of Optometry
Graduation year2008
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1366605099
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  2. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  3. Medicare Care Compare — official Medicare tool to look up clinicians