NAN WANG M.D.
NPI 1023040839
Thoracic Surgery (Cardiothoracic Vascular Surgery) in Upland, CA
About Nan Wang M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
NAN WANG M.D. (NPI 1023040839) is an individual thoracic surgery (cardiothoracic vascular surgery) provider in Upland, California, licensed in California (G55739) and active in the NPI registry since July 2006. He is enrolled in Medicare PECOS and is a graduate of Loma Linda University School Of Medicine (1983).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 4
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
Nan Wang 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 Reassignment
Medicare enrollment records show Nan Wang reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Upland, CA 91786
- Reassigned Medicare billing, California enrollment
- 20 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 6
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 91786 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 13
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
UPLAND, CA 91786
UPLAND, CA 91786
UPLAND, CA 91786
UPLAND, CA 91786
UPLAND, CA 91786
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 Nan Wang's NPI number?
The NPI number for Nan Wang is 1023040839. It was assigned to this individual provider in the NPPES registry on July 6, 2006.
Where is Nan Wang located?
Nan Wang practices at 901 San Bernardino Rd Ste 102, Upland, CA 91786. The listed phone number is (909) 579-6721.
What is Nan Wang's specialty?
The primary specialty registered for this NPI is Thoracic Surgery (Cardiothoracic Vascular Surgery) with taxonomy code 208G00000X.
Is Nan Wang enrolled in Medicare?
Yes. Nan Wang 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 Nan Wang's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Nan Wang reassigns Medicare benefits to Synergy Ct Surgery Partnership (Upland, CA). 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 Nan Wang's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Nan Wang was last updated on March 21, 2017. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.
# Nan Wang, M.D. · NPI 1023040839
Thoracic Surgery (Cardiothoracic Vascular Surgery) physician in Upland, California. Individual provider, active in the CMS NPPES registry since July 6, 2006.
## Identity
- **NPI:** 1023040839 (Entity type: Individual)
- **Enumerated:** July 6, 2006
- **Primary specialty:** Thoracic Surgery (Cardiothoracic Vascular Surgery) · taxonomy 208G00000X
- **State license:** G55739 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 901 SAN BERNARDINO RD, STE 102, Upland, CA 91786-4912
- **Phone:** (909) 579-6721 · **Fax:** (909) 579-6737
## 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:** Synergy Ct Surgery Partnership (NPI 1366711236, Upland, CA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Loma Linda University School Of Medicine, class of 1983
## Record status
- **NPPES last updated:** March 21, 2017
- **Other identifiers:** Medicaid 00G557390 (CA); Medicare ID-Type Unspecified 00G557391; Medicare PIN DH124X (CA); and 1 more
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Source: [NPI Profile](https://npiprofile.com/npi/1023040839) · Data from the CMS NPPES public registry.