JOSEPH S TAN PHD
NPI 1891258398
Psychologist - Clinical in Charlottesville, VA
About Joseph S Tan Phd NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
JOSEPH S TAN PHD (NPI 1891258398) is an individual clinical provider in Charlottesville, Virginia, licensed in Virginia (0805002162) and active in the NPI registry since April 2019. He is enrolled in Medicare PECOS, is affiliated with University Of Virginia Medical Center, and maintains a secondary practice location in Charlottesville.
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Location 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
Joseph S Tan Phd 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 Joseph Tan reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Charlottesville, VA 22911
- Reassigned Medicare billing, Virginia enrollment
- 2,820 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
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.
University Of Virginia Medical Center
Acute Care Hospitals · Charlottesville, VAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 22908 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 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
CHARLOTTESVILLE, VA 22908
CHARLOTTESVILLE, VA 22908
CHARLOTTESVILLE, VA 22908
CHARLOTTESVILLE, VA 22908
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 Joseph Tan's NPI number?
The NPI number for Joseph Tan is 1891258398. It was assigned to this individual provider in the NPPES registry on April 11, 2019.
Where is Joseph Tan located?
Joseph Tan practices at 1221 Lee Street, Charlottesville, VA 22908. The listed phone number is (434) 243-5868.
What is Joseph Tan's specialty?
The primary specialty registered for this NPI is Psychologist, specializing in Clinical, with taxonomy code 103TC0700X.
Is Joseph Tan enrolled in Medicare?
Yes. Joseph Tan 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 Joseph Tan's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Joseph Tan reassigns Medicare benefits to University Of Virginia Physicians Group (Charlottesville, VA). 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 Joseph Tan's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Joseph Tan accept?
Health plans from Oscar Health list Joseph Tan 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 Joseph Tan affiliated with any hospitals?
According to CMS data, Joseph Tan is affiliated with University Of Virginia Medical Center.
When was this NPI record last updated?
The NPPES record for Joseph Tan was last updated on July 29, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.
# Joseph S Tan, PHD · NPI 1891258398
Clinical provider in Charlottesville, Virginia. Individual provider, active in the CMS NPPES registry since April 11, 2019.
## Identity
- **NPI:** 1891258398 (Entity type: Individual)
- **Enumerated:** April 11, 2019
- **Primary specialty:** Psychologist - Clinical · taxonomy 103TC0700X
- **State license:** 0805002162 (Virginia)
- **Sole proprietor:** No
## Practice location
- **Address:** 1221 LEE STREET, Charlottesville, VA 22908-0816
- **Phone:** (434) 243-5868 · **Fax:** (434) 243-2916
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment
- **Bills Medicare through:** University Of Virginia Physicians Group (NPI 1033138250, Charlottesville, VA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2018
## Record status
- **NPPES last updated:** July 29, 2021
---
Source: [NPI Profile](https://npiprofile.com/npi/1891258398) · Data from the CMS NPPES public registry.