DR. VIMALA VYTHA SIM M.D.
NPI 1972744977
Hospitalist in Hershey, PA
About Dr. Vimala Vytha Sim M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. VIMALA VYTHA SIM M.D. (NPI 1972744977) is an individual hospitalist provider in Hershey, Pennsylvania, licensed in Pennsylvania (MD437973) and active in the NPI registry since March 2009. She is enrolled in Medicare PECOS and is a graduate of Other (2006).
NPPES Registry Identity
Specialties & Licenses 2
Other Identifiers 24
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. Vimala Vytha Sim M.d. 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.
Medicare Billing Reassignments
3Medicare enrollment records show Vimala Sim reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Staten Island, NY 10314
- Reassigned Medicare billing, New York enrollment
- 1,615 clinicians in this Medicare group
Brooklyn, NY 11219
- Reassigned Medicare billing, New York enrollment
- 85 clinicians in this Medicare group
Brooklyn, NY 11219
- Reassigned Medicare billing, New York enrollment
- 1,177 clinicians in this Medicare group
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
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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 17033 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
HERSHEY, PA 17033
HERSHEY, PA 17033
HERSHEY, PA 17033
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 Vimala Sim's NPI number?
The NPI number for Vimala Sim is 1972744977. It was assigned to this individual provider in the NPPES registry on March 20, 2009.
Where is Vimala Sim located?
Vimala Sim practices at 500 University Dr, Hershey, PA 17033. The listed phone number is (717) 531-8521.
What is Vimala Sim's specialty?
The primary specialty registered for this NPI is Hospitalist with taxonomy code 208M00000X.
Is Vimala Sim enrolled in Medicare?
Yes. Vimala Sim 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 organizations bill Medicare for Vimala Sim's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Vimala Sim reassigns Medicare benefits to 3 organizations: New York City Health And Hospitals Corporation (Staten Island, NY), Maimonides Medical Center Maimonides Primary Care Fpp (Brooklyn, NY) and Maimonides Faculty Practice Plan (Brooklyn, NY). Each 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 Vimala Sim's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Vimala Sim was last updated on March 7, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.