DR. SAPPHIRE MARIE HOLNESS
NPI 1255892378
Obstetrics & Gynecology in Sleepy Hollow, NY
About Dr. Sapphire Marie Holness NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. SAPPHIRE MARIE HOLNESS (NPI 1255892378) is an individual obstetrics & gynecology provider in Sleepy Hollow, New York, licensed in New York (322217) and active in the NPI registry since March 2019. She is enrolled in Medicare PECOS, is affiliated with Phelps Hospital, and is a graduate of New York Medical College (2019).
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. Sapphire Marie Holness 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
2Medicare enrollment records show Sapphire Holness reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Sleepy Hollow, NY 10591
- Reassigned Medicare billing, New York enrollment
- 149 clinicians in this Medicare group
Great Neck, NY 11021
- 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 3
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.
Phelps Hospital
Acute Care Hospitals · Sleepy Hollow, NYPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 10591 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 6
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
SLEEPY HOLLOW, NY 10591
SLEEPY HOLLOW, NY 10591
SLEEPY HOLLOW, NY 10591
SLEEPY HOLLOW, NY 10591
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 Sapphire Holness's NPI number?
The NPI number for Sapphire Holness is 1255892378. It was assigned to this individual provider in the NPPES registry on March 29, 2019.
Where is Sapphire Holness located?
Sapphire Holness practices at 755 N Broadway Ste 560, Sleepy Hollow, NY 10591. The listed phone number is (914) 493-7000.
What is Sapphire Holness's specialty?
The primary specialty registered for this NPI is Obstetrics & Gynecology with taxonomy code 207V00000X.
Is Sapphire Holness enrolled in Medicare?
Yes. Sapphire Holness 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 Sapphire Holness's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Sapphire Holness reassigns Medicare benefits to 2 organizations: Open Door Family Medical Center Inc (Sleepy Hollow, NY) and North Shore-Lij Medical PC (Great Neck, 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 Sapphire Holness's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Sapphire Holness affiliated with any hospitals?
According to CMS data, Sapphire Holness is affiliated with Phelps Hospital.
When was this NPI record last updated?
The NPPES record for Sapphire Holness was last updated on August 8, 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.
# Dr. Sapphire Marie Holness · NPI 1255892378
Obstetrics & Gynecology physician in Sleepy Hollow, New York. Individual provider, active in the CMS NPPES registry since March 29, 2019.
## Identity
- **NPI:** 1255892378 (Entity type: Individual)
- **Enumerated:** March 29, 2019
- **Primary specialty:** Obstetrics & Gynecology · taxonomy 207V00000X
- **State license:** 322217 (New York)
- **Sole proprietor:** No
## Practice location
- **Address:** 755 N BROADWAY STE 560, Sleepy Hollow, NY 10591-1077
- **Phone:** (914) 493-7000
## 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:** 2 organizations under Medicare reassignment (form CMS-855R): Open Door Family Medical Center Inc (NPI 1619136140, Sleepy Hollow, NY); North Shore-Lij Medical PC (NPI 1053688572, Great Neck, NY) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** New York Medical College, class of 2019
## Record status
- **NPPES last updated:** August 8, 2023
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Source: [NPI Profile](https://npiprofile.com/npi/1255892378) · Data from the CMS NPPES public registry.