DR. GUISELA MARIA HERNANDEZ M.D.
NPI 1033301015
Internal Medicine - Hospice and Palliative Medicine in Valley Stream, NY
About Dr. Guisela Maria Hernandez M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. GUISELA MARIA HERNANDEZ M.D. (NPI 1033301015) is an individual hospice and palliative medicine provider in Valley Stream, New York, licensed in New York (243723) and active in the NPI registry since August 2007. She is enrolled in Medicare PECOS, is affiliated with Long Island Jewish Medical Center, and is a graduate of Ponce School Of Medicine (2005).
NPPES Registry Identity
Specialties & Licenses 2
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. Guisela Maria Hernandez 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 Reassignment
Medicare enrollment records show Guisela Hernandez reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
New Hyde Park, NY 11040
- Reassigned Medicare billing, New York enrollment
- 9,353 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 4
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.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Long Island Jewish Medical Center
Acute Care Hospitals · New Hyde Park, NYMedicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
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.
VALLEY STREAM, NY 11580
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 Guisela Hernandez's NPI number?
The NPI number for Guisela Hernandez is 1033301015. It was assigned to this individual provider in the NPPES registry on August 14, 2007.
Where is Guisela Hernandez located?
Guisela Hernandez practices at 900 Franklin Ave, Valley Stream, NY 11580. The listed phone number is (516) 256-6080.
What is Guisela Hernandez's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Hospice and Palliative Medicine, with taxonomy code 207RH0002X.
Is Guisela Hernandez enrolled in Medicare?
Yes. Guisela Hernandez 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 Guisela Hernandez's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Guisela Hernandez reassigns Medicare benefits to North Shore - Lij Medical PC (New Hyde Park, NY). 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 Guisela Hernandez's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Guisela Hernandez affiliated with any hospitals?
According to CMS data, Guisela Hernandez is affiliated with Long Island Jewish Medical Center.
When was this NPI record last updated?
The NPPES record for Guisela Hernandez was last updated on November 29, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.