WILLIAM C SHEPHERD M.D.
NPI 1821071499
Emergency Medicine in Freeville, NY
About William C Shepherd M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
WILLIAM C SHEPHERD M.D. (NPI 1821071499) is an individual emergency medicine provider in Freeville, New York, licensed in New York (222459) and active in the NPI registry since November 2005. He is enrolled in Medicare PECOS, is affiliated with Cayuga Medical Center At Ithaca, and is a graduate of Albany Medical College Of Union University (1999).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 1
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 C Shepherd 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
2Medicare enrollment records show William Shepherd reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Ithaca, NY 14850
- Reassigned Medicare billing, New York enrollment
- 59 clinicians in this Medicare group
Ithaca, NY 14850
- Reassigned Medicare billing, New York enrollment
- 328 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.
Cayuga Medical Center At Ithaca
Acute Care Hospitals · Ithaca, NYPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 13068 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.
FREEVILLE, NY 13068
FREEVILLE, NY 13068
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 Shepherd's NPI number?
The NPI number for William Shepherd is 1821071499. It was assigned to this individual provider in the NPPES registry on November 28, 2005.
Where is William Shepherd located?
William Shepherd practices at 380 Freeville Rd, Freeville, NY 13068. The listed phone number is (607) 844-6336.
What is William Shepherd's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is William Shepherd enrolled in Medicare?
Yes. William Shepherd 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 Shepherd's services?
According to the CMS Revalidation Reassignment List (October 2026 release), William Shepherd reassigns Medicare benefits to 2 organizations: Cma Medical Practice PLLC (Ithaca, NY) and Cayuga Medical Associates, PC (Ithaca, 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 Shepherd's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is William Shepherd affiliated with any hospitals?
According to CMS data, William Shepherd is affiliated with Cayuga Medical Center At Ithaca.
When was this NPI record last updated?
The NPPES record for William Shepherd was last updated on February 5, 2024. 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.
# William C Shepherd, M.D. · NPI 1821071499
Emergency Medicine physician in Freeville, New York. Individual provider, active in the CMS NPPES registry since November 28, 2005.
## Identity
- **NPI:** 1821071499 (Entity type: Individual)
- **Enumerated:** November 28, 2005
- **Primary specialty:** Emergency Medicine · taxonomy 207P00000X
- **State license:** 222459 (New York)
- **Sole proprietor:** No
## Practice location
- **Address:** 380 FREEVILLE RD, Freeville, NY 13068-9684
- **Phone:** (607) 844-6336 · **Fax:** (607) 844-3077
## 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): Cma Medical Practice PLLC (NPI 1962985564, Ithaca, NY); Cayuga Medical Associates, PC (NPI 1679525455, Ithaca, NY) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Albany Medical College Of Union University, class of 1999
## Record status
- **NPPES last updated:** February 5, 2024
- **Other identifiers:** Medicaid 02353446 (NY)
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Source: [NPI Profile](https://npiprofile.com/npi/1821071499) · Data from the CMS NPPES public registry.