DENNIS JIACHENG WANG MD
NPI 1275362972
Internal Medicine - Gastroenterology in Rochester, NY
About Dennis Jiacheng Wang Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DENNIS JIACHENG WANG MD (NPI 1275362972) is an individual gastroenterology provider in Rochester, New York, licensed in New York (326466) and active in the NPI registry since July 2024. He is enrolled in Medicare PECOS, is affiliated with Highland Hospital, and is a graduate of Other (2018).
NPPES Registry Identity
Specialties & Licenses
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
Dennis Jiacheng Wang Md 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 Dennis Wang reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Rochester, NY 14642
- Reassigned Medicare billing, New York enrollment
- 71 clinicians in this Medicare group
Rochester, NY 14642
- Reassigned Medicare billing, New York enrollment
- 1,624 clinicians in this Medicare group
Rochester, NY 14620
- Reassigned Medicare billing, New York enrollment
- 303 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 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Highland Hospital
Acute Care Hospitals · Rochester, NYStrong Memorial Hospital
Acute Care Hospitals · Rochester, NYPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 14642 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 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
ROCHESTER, NY 14642
ROCHESTER, NY 14642
ROCHESTER, NY 14642
ROCHESTER, NY 14642
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 Dennis Wang's NPI number?
The NPI number for Dennis Wang is 1275362972. It was assigned to this individual provider in the NPPES registry on July 31, 2024.
Where is Dennis Wang located?
Dennis Wang practices at 601 Elmwood Ave, Rochester, NY 14642. The listed phone number is (585) 275-4711.
What is Dennis Wang's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.
Is Dennis Wang enrolled in Medicare?
Yes. Dennis 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 organizations bill Medicare for Dennis Wang's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Dennis Wang reassigns Medicare benefits to 3 organizations: Gastrointestinal Group (Rochester, NY), University Of Rochester (Rochester, NY) and Highland Hospital Of Rochester (Rochester, NY). 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 Dennis Wang's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Dennis Wang affiliated with any hospitals?
According to CMS data, Dennis Wang is affiliated with Highland Hospital and Strong Memorial Hospital.
When was this NPI record last updated?
The NPPES record for Dennis Wang was last updated on July 16, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 months 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.
# Dennis Jiacheng Wang, MD · NPI 1275362972
Gastroenterology physician in Rochester, New York. Individual provider, active in the CMS NPPES registry since July 31, 2024.
## Identity
- **NPI:** 1275362972 (Entity type: Individual)
- **Enumerated:** July 31, 2024
- **Primary specialty:** Internal Medicine - Gastroenterology · taxonomy 207RG0100X
- **State license:** 326466 (New York)
- **Sole proprietor:** No
## Practice location
- **Address:** 601 ELMWOOD AVE, Rochester, NY 14642-0001
- **Phone:** (585) 275-4711
## 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): Gastrointestinal Group (NPI 1114977048, Rochester, NY); University Of Rochester (NPI 1346285657, Rochester, NY); Highland Hospital Of Rochester (NPI 1376820241, Rochester, NY) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2018
## Record status
- **NPPES last updated:** July 16, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1275362972) · Data from the CMS NPPES public registry.