MICHAEL S DAY M.D.
NPI 1326339961
Orthopaedic Surgery in Camp Hill, PA
About Michael S Day M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MICHAEL S DAY M.D. (NPI 1326339961) is an individual orthopaedic surgery provider in Camp Hill, Pennsylvania, licensed in Pennsylvania (MD460781) and active in the NPI registry since May 2011. He is enrolled in Medicare PECOS, is affiliated with Upmc Carlisle, and maintains a secondary practice location in Hagerstown.
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Location 1
Other Identifiers 1
Accepted Insurance
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
Michael S Day 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 Michael Day reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Camp Hill, PA 17011
- Reassigned Medicare billing, Pennsylvania enrollment
- 91 clinicians in this Medicare group
Etters, PA 17319
- Reassigned Medicare billing, Pennsylvania enrollment
- 3,080 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 4
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Upmc Carlisle
Acute Care Hospitals · Carlisle, PAGettysburg Hospital
Acute Care Hospitals · Gettysburg, PAUpmc Pinnacle Hospitals
Acute Care Hospitals · Harrisburg, PAUpmc Memorial
Acute Care Hospitals · York, PAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 17011 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Referred Medical Equipment & Supplies CMS DME claims
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.
CAMP HILL, PA 17011
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 Michael Day's NPI number?
The NPI number for Michael Day is 1326339961. It was assigned to this individual provider in the NPPES registry on May 1, 2011.
Where is Michael Day located?
Michael Day practices at 3399 Trindle Rd, Camp Hill, PA 17011. The listed phone number is (717) 761-5530.
What is Michael Day's specialty?
The primary specialty registered for this NPI is Orthopaedic Surgery with taxonomy code 207X00000X.
Is Michael Day enrolled in Medicare?
Yes. Michael Day 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 Michael Day's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Michael Day reassigns Medicare benefits to 2 organizations: Orthopedic Surgeons Ltd (Camp Hill, PA) and Wellspan Medical Group (Etters, PA). 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 Michael Day's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Michael Day accept?
Health plans from Ambetter Health and Ambetter from Buckeye Health Plan list Michael Day as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
Is Michael Day affiliated with any hospitals?
According to CMS data, Michael Day is affiliated with Upmc Carlisle, Gettysburg Hospital, Upmc Pinnacle Hospitals and Upmc Memorial.
When was this NPI record last updated?
The NPPES record for Michael Day was last updated on October 23, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 22 days 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.
# Michael S Day, M.D. · NPI 1326339961
Orthopaedic Surgery physician in Camp Hill, Pennsylvania. Individual provider, active in the CMS NPPES registry since May 1, 2011.
## Identity
- **NPI:** 1326339961 (Entity type: Individual)
- **Enumerated:** May 1, 2011
- **Primary specialty:** Orthopaedic Surgery · taxonomy 207X00000X
- **State license:** MD460781 (Pennsylvania)
- **Sole proprietor:** No
## Practice location
- **Address:** 3399 TRINDLE RD, Camp Hill, PA 17011-4407
- **Phone:** (717) 761-5530 · **Fax:** (717) 737-7197
## 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): Orthopedic Surgeons Ltd (NPI 1386620755, Camp Hill, PA); Wellspan Medical Group (NPI 1760550883, Etters, PA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Js Weill Medical College, Cornell University, class of 2011
## Record status
- **NPPES last updated:** October 23, 2026
- **Other identifiers:** Medicaid 103317477 (PA)
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Source: [NPI Profile](https://npiprofile.com/npi/1326339961) · Data from the CMS NPPES public registry.