DR. SPENCER ADAM HOLOVER M.D.
NPI 1952346157
Specialist in New Hyde Park, NY
About Dr. Spencer Adam Holover M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. SPENCER ADAM HOLOVER M.D. (NPI 1952346157) is an individual specialist in New Hyde Park, New York, licensed in New York (233194) and active in the NPI registry since June 2006. He is enrolled in Medicare PECOS, is affiliated with Mercy Medical Center, and is a graduate of Other (1998).
NPPES Registry Identity
Specialties & Licenses
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. Spencer Adam Holover 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
6Medicare enrollment records show Spencer Holover reassigns Medicare billing to 6 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
New Hyde Park, NY 11040
- Reassigned Medicare billing, New York enrollment
- 9,353 clinicians in this Medicare group
Roslyn Heights, NY 11577
- Reassigned Medicare billing, New York enrollment
- Medicare enrollment name: Long Island Minimally Invasive Surgery PC
- 37 clinicians in this Medicare group
Roslyn Heights, NY 11577
- Reassigned Medicare billing, Connecticut and New York enrollments
- 30 clinicians in this Medicare group
Roslyn, NY 11576
- Reassigned Medicare billing, New York enrollment
- Medicare enrollment name: Chs Physician Partners PC
- 944 clinicians in this Medicare group
Rockville Centre, NY 11571
- Reassigned Medicare billing, New York enrollment
- 266 clinicians in this Medicare group
Wayne, NJ 07470
- Reassigned Medicare billing, New Jersey enrollment
- 41 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.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Mercy Medical Center
Acute Care Hospitals · Rockville Centre, NYOther Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
NEW HYDE PARK, NY 11042
NEW HYDE PARK, NY 11042
NEW HYDE PARK, NY 11042
NEW HYDE PARK, NY 11042
NEW HYDE PARK, NY 11042
NEW HYDE PARK, NY 11042
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 Spencer Holover's NPI number?
The NPI number for Spencer Holover is 1952346157. It was assigned to this individual provider in the NPPES registry on June 19, 2006.
Where is Spencer Holover located?
Spencer Holover practices at 3003 New Hyde Park Rd Suite 307, New Hyde Park, NY 11042. The listed phone number is (516) 616-5500.
What is Spencer Holover's specialty?
The primary specialty registered for this NPI is Specialist with taxonomy code 174400000X.
Is Spencer Holover enrolled in Medicare?
Yes. Spencer Holover 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 Spencer Holover's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Spencer Holover reassigns Medicare benefits to 6 organizations: North Shore - Lij Medical PC (New Hyde Park, NY), Long Island Minimally Invasive Surgery, P.C. (Roslyn Heights, NY), New York Bariatric Surgery Group PLLC (Roslyn Heights, NY), Chs Physician Partners, P.C (Roslyn, NY), Mercy Medical Center (Rockville Centre, NY) and 1 more organization, listed in the Medicare section above. 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 Spencer Holover's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Spencer Holover affiliated with any hospitals?
According to CMS data, Spencer Holover is affiliated with Mercy Medical Center.
When was this NPI record last updated?
The NPPES record for Spencer Holover was last updated on October 1, 2015. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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.
# Dr. Spencer Adam Holover, M.D. · NPI 1952346157
Specialist provider in New Hyde Park, New York. Individual provider, active in the CMS NPPES registry since June 19, 2006.
## Identity
- **NPI:** 1952346157 (Entity type: Individual)
- **Enumerated:** June 19, 2006
- **Primary specialty:** Specialist · taxonomy 174400000X
- **State license:** 233194 (New York)
- **Sole proprietor:** No
## Practice location
- **Address:** 3003 NEW HYDE PARK RD, SUITE 307, New Hyde Park, NY 11042-1214
- **Phone:** (516) 616-5500 · **Fax:** (516) 616-5533
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 6 organizations under Medicare reassignment (form CMS-855R): North Shore - Lij Medical PC (NPI 1790043479, New Hyde Park, NY); Long Island Minimally Invasive Surgery, P.C. (NPI 1356545867, Roslyn Heights, NY); New York Bariatric Surgery Group PLLC (NPI 1164898821, Roslyn Heights, NY); Chs Physician Partners, P.C (NPI 1164585725, Roslyn, NY); Mercy Medical Center (NPI 1104097294, Rockville Centre, NY); and 1 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 1998
## Record status
- **NPPES last updated:** October 1, 2015
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Source: [NPI Profile](https://npiprofile.com/npi/1952346157) · Data from the CMS NPPES public registry.