DR. LONG THANG QUAN M.D., PH.D.
NPI 1194784058
Dermatology in Columbia, SC
About Dr. Long Thang Quan M.d., Ph.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. LONG THANG QUAN M.D., PH.D. (NPI 1194784058) is an individual dermatology provider in Columbia, South Carolina, licensed in South Carolina (22472) and active in the NPI registry since March 2006. He is enrolled in Medicare PECOS and is a graduate of Duke University School Of Medicine (1996).
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. Long Thang Quan M.d., Ph.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 Reassignment
Medicare enrollment records show Long Quan reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Columbia, SC 29204
- Reassigned Medicare billing, South Carolina enrollment
- 12 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 13
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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 29204 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.
Other Providers at the Same Location NPPES 8
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 Long Quan's NPI number?
The NPI number for Long Quan is 1194784058. It was assigned to this individual provider in the NPPES registry on March 20, 2006.
Where is Long Quan located?
Long Quan practices at 1706 Saint Julian Pl, Columbia, SC 29204. The listed phone number is (803) 771-7506.
What is Long Quan's specialty?
The primary specialty registered for this NPI is Dermatology with taxonomy code 207N00000X.
Is Long Quan enrolled in Medicare?
Yes. Long Quan 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 organization bills Medicare for Long Quan's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Long Quan reassigns Medicare benefits to Carolina Dermatology Grp (Columbia, SC). The 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 Long Quan's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Long Quan accept?
Health plans from Ambetter Health, Ambetter from Absolute Total Care, Ambetter of North Carolina, BlueCross BlueShield of South Carolina and InStil Health and 1 other insurer list Long Quan 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.
When was this NPI record last updated?
The NPPES record for Long Quan was last updated on October 9, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.