KAREN ALLISON, M.D., P.C.
NPI 1184810889
Ophthalmology in New York, NY
About Karen Allison, M.d., P.c. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
KAREN ALLISON, M.D., P.C. (NPI 1184810889) is a healthcare organization registered as an ophthalmology in New York, New York and active in the NPI registry since September 2007. The organization lists Karen Melanie Allison, President/physician, as its authorized official.
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 6
Group Practice 1
Medicare Participation & PECOS CMS
Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Karen Allison, M.d., P.c. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Clinicians Billing Medicare Through This Organization
6Medicare enrollment records show 6 clinicians reassign Medicare billing to Karen Allison, M.D., P.C., which bills Medicare for the services they deliver. Of these, 1 practice at this address and 4 within 10 miles. They are listed nearest first.
Clinicians, nearest first (6)
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
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 Karen Allison, M.D., P.C.'s NPI number?
The NPI number for Karen Allison, M.D., P.C. is 1184810889. It was assigned to this organization in the NPPES registry on September 18, 2007.
Where is Karen Allison, M.D., P.C. located?
Karen Allison, M.D., P.C. is located at 30 W 60th St Suite 1Y, New York, NY 10023. The listed phone number is (212) 459-0001.
What is Karen Allison, M.D., P.C.'s specialty?
The primary specialty registered for this NPI is Ophthalmology with taxonomy code 207W00000X.
Is Karen Allison, M.D., P.C. enrolled in Medicare?
Yes. Karen Allison, M.D., P.C. is registered in the Medicare PECOS enrollment system.
How many clinicians bill Medicare through Karen Allison, M.D., P.C.?
According to the CMS Revalidation Reassignment List (October 2026 release), 6 clinicians in 2 Medicare specialties reassign their Medicare billing to Karen Allison, M.D., P.C.. A 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 the clinician's services. The largest specialties are Ophthalmology (4) and Optometry (2). Of these, 1 practice at this address and 4 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
When was this NPI record last updated?
The NPPES record for Karen Allison, M.D., P.C. was last updated on September 18, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.