DR. ROY S HWANG M.D.
NPI 1134418965
Neurological Surgery in Sanford, FL
About Dr. Roy S Hwang M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. ROY S HWANG M.D. (NPI 1134418965) is an individual neurological surgery provider in Sanford, Florida, licensed in Florida (ME150097) and active in the NPI registry since April 2011. He is enrolled in Medicare PECOS, is affiliated with Adventhealth Deland, and is a graduate of Clvlnd Clinic Lerner College Of Med Of Case Wstn Rsv University (2011).
NPPES Registry Identity
Specialties & Licenses
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
Dr. Roy S Hwang 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
3Medicare enrollment records show Roy Hwang reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Sanford, FL 32771
- Reassigned Medicare billing, Florida enrollment
- 7 clinicians in this Medicare group
Reading, PA 19608
- Reassigned Medicare billing, Pennsylvania enrollment
- Medicare enrollment name: St Lukes Physician Group Inc
- 2,851 clinicians in this Medicare group
Orwigsburg, PA 17961
- Reassigned Medicare billing, Pennsylvania enrollment
- 953 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 7
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.
Adventhealth Deland
Acute Care Hospitals · Deland, FLAdventhealth Fish Memorial
Acute Care Hospitals · Orange City, FLCentral Florida Lake Monroe Hospital
Acute Care Hospitals · Sanford, FLPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 32771 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.
Reported Quality Measures
Other Providers at the Same Location NPPES 5
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
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 Roy Hwang's NPI number?
The NPI number for Roy Hwang is 1134418965. It was assigned to this individual provider in the NPPES registry on April 1, 2011.
Where is Roy Hwang located?
Roy Hwang practices at 305 N Mangoustine Ave Ste 100, Sanford, FL 32771. The listed phone number is (407) 833-7505.
What is Roy Hwang's specialty?
The primary specialty registered for this NPI is Neurological Surgery with taxonomy code 207T00000X.
Is Roy Hwang enrolled in Medicare?
Yes. Roy Hwang 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 Roy Hwang's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Roy Hwang reassigns Medicare benefits to 3 organizations: The Neurohealth Sciences Center, LLC (Sanford, FL), St Luke's Physician Group, Inc (Reading, PA) and Gslpg, Inc (Orwigsburg, 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 Roy Hwang's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Roy Hwang accept?
Health plans from Ambetter Health, Ambetter from Superior HealthPlan, Ambetter of Alabama, Florida Blue (BlueCross BlueShield FL) and Florida Blue HMO (a BlueCross BlueShield FL company) and 4 other insurers list Roy Hwang 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 Roy Hwang affiliated with any hospitals?
According to CMS data, Roy Hwang is affiliated with Adventhealth Deland, Adventhealth Fish Memorial and Central Florida Lake Monroe Hospital.
When was this NPI record last updated?
The NPPES record for Roy Hwang was last updated on February 2, 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. Roy S Hwang, M.D. · NPI 1134418965
Neurological Surgery physician in Sanford, Florida. Individual provider, active in the CMS NPPES registry since April 1, 2011.
## Identity
- **NPI:** 1134418965 (Entity type: Individual)
- **Enumerated:** April 1, 2011
- **Primary specialty:** Neurological Surgery · taxonomy 207T00000X
- **State license:** ME150097 (Florida)
- **Sole proprietor:** No
## Practice location
- **Address:** 305 N MANGOUSTINE AVE STE 100, Sanford, FL 32771-1004
- **Phone:** (407) 833-7505
## 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:** 3 organizations under Medicare reassignment (form CMS-855R): The Neurohealth Sciences Center, LLC (NPI 1649217118, Sanford, FL); St Luke's Physician Group, Inc (NPI 1144091802, Reading, PA); Gslpg, Inc (NPI 1366006702, Orwigsburg, PA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Clvlnd Clinic Lerner College Of Med Of Case Wstn Rsv University, class of 2011
## Record status
- **NPPES last updated:** February 2, 2023
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Source: [NPI Profile](https://npiprofile.com/npi/1134418965) · Data from the CMS NPPES public registry.