WILLIAM G SANTIAGO MD
NPI 1578723623
Emergency Medicine in Syracuse, NY
About William G Santiago Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
WILLIAM G SANTIAGO MD (NPI 1578723623) is an individual emergency medicine provider in Syracuse, New York, licensed in New York (246887) and active in the NPI registry since June 2008. He is enrolled in Medicare PECOS, is affiliated with Guthrie Cortland Regional Medical Center, and is a graduate of University Of Cincinnati College Of Medicine (2005).
NPPES Registry Identity
Specialties & Licenses 2
Other Identifiers 3
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
William G Santiago Md 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 William Santiago reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Syracuse, NY 13210
- Reassigned Medicare billing, New York enrollment
- 170 clinicians in this Medicare group
Cortland, NY 13045
- Reassigned Medicare billing, New York enrollment
- 37 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 9
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 3
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Guthrie Cortland Regional Medical Center
Acute Care Hospitals · Cortland, NYUniversity Hospital S U N Y Health Science Center
Acute Care Hospitals · Syracuse, NYCorning Hospital
Acute Care Hospitals · Corning, NYPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 13215 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare 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.
Referred Medical Equipment & Supplies CMS DME claims 2
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
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.
SYRACUSE, NY 13215
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 William Santiago's NPI number?
The NPI number for William Santiago is 1578723623. It was assigned to this individual provider in the NPPES registry on June 12, 2008.
Where is William Santiago located?
William Santiago practices at 4900 Broad Rd, Syracuse, NY 13215. The listed phone number is (315) 492-5535.
What is William Santiago's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is William Santiago enrolled in Medicare?
Yes. William Santiago 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 William Santiago's services?
According to the CMS Revalidation Reassignment List (October 2026 release), William Santiago reassigns Medicare benefits to 2 organizations: Upstate Emergency Medicine, Inc (Syracuse, NY) and Pons Physician Services, PLLC (Cortland, 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 William Santiago's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is William Santiago affiliated with any hospitals?
According to CMS data, William Santiago is affiliated with Guthrie Cortland Regional Medical Center, University Hospital S U N Y Health Science Center and Corning Hospital.
When was this NPI record last updated?
The NPPES record for William Santiago was last updated on June 26, 2014. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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.
# William G Santiago, MD · NPI 1578723623
Emergency Medicine physician in Syracuse, New York. Individual provider, active in the CMS NPPES registry since June 12, 2008.
## Identity
- **NPI:** 1578723623 (Entity type: Individual)
- **Enumerated:** June 12, 2008
- **Primary specialty:** Emergency Medicine · taxonomy 207P00000X
- **State license:** 246887 (New York)
- **Sole proprietor:** No
## Practice location
- **Address:** 4900 BROAD RD, Syracuse, NY 13215-2265
- **Phone:** (315) 492-5535 · **Fax:** (315) 492-5222
## 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): Upstate Emergency Medicine, Inc (NPI 1275589582, Syracuse, NY); Pons Physician Services, PLLC (NPI 1457732554, Cortland, NY) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Cincinnati College Of Medicine, class of 2005
## Record status
- **NPPES last updated:** June 26, 2014
- **Other identifiers:** Medicare PIN RB8616 (NY); Medicaid 02987268 (NY); Medicare PIN P00649993 (NY)
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Source: [NPI Profile](https://npiprofile.com/npi/1578723623) · Data from the CMS NPPES public registry.