HELEN LINHONG ZHANG MD
NPI 1962865634
Internal Medicine - Infectious Disease in Philadelphia, PA
About Helen Linhong Zhang Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
HELEN LINHONG ZHANG MD (NPI 1962865634) is an individual infectious disease provider in Philadelphia, Pennsylvania, licensed in Pennsylvania (MD473200) and active in the NPI registry since March 2016. She is enrolled in Medicare PECOS, maintains 2 additional practice locations, and is a graduate of Other (2016).
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Locations 2
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
Helen Linhong Zhang 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
2Medicare enrollment records show Helen Zhang reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Philadelphia, PA 19104
- Reassigned Medicare billing, Pennsylvania enrollment
- 100 clinicians in this Medicare group
Rolesville, NC 27571
- Reassigned Medicare billing, North Carolina enrollment
- 1,337 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 19104 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.
PHILADELPHIA, PA 19104
PHILADELPHIA, PA 19104
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 Helen Zhang's NPI number?
The NPI number for Helen Zhang is 1962865634. It was assigned to this individual provider in the NPPES registry on March 31, 2016.
Where is Helen Zhang located?
Helen Zhang practices at 3801 Filbert St, Philadelphia, PA 19104. The listed phone number is (215) 662-8000.
What is Helen Zhang's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Infectious Disease, with taxonomy code 207RI0200X.
Is Helen Zhang enrolled in Medicare?
Yes. Helen Zhang 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 Helen Zhang's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Helen Zhang reassigns Medicare benefits to 2 organizations: University Of Penn-Medical Group (Philadelphia, PA) and Unc Physicians Network, LLC (Rolesville, NC). 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 Helen Zhang's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Helen Zhang accept?
Health plans from Ambetter Health, Ambetter Health of Delaware and Ambetter from Buckeye Health Plan list Helen Zhang 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 Helen Zhang was last updated on August 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.
# Helen Linhong Zhang, MD · NPI 1962865634
Infectious Disease physician in Philadelphia, Pennsylvania. Individual provider, active in the CMS NPPES registry since March 31, 2016.
## Identity
- **NPI:** 1962865634 (Entity type: Individual)
- **Enumerated:** March 31, 2016
- **Primary specialty:** Internal Medicine - Infectious Disease · taxonomy 207RI0200X
- **State license:** MD473200 (Pennsylvania)
- **Sole proprietor:** No
## Practice location
- **Address:** 3801 FILBERT ST, Philadelphia, PA 19104
- **Phone:** (215) 662-8000
## 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:** 2 organizations under Medicare reassignment (form CMS-855R): University Of Penn-Medical Group (NPI 1194832899, Philadelphia, PA); Unc Physicians Network, LLC (NPI 1063797702, Rolesville, NC) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2016
## Record status
- **NPPES last updated:** August 13, 2026
---
Source: [NPI Profile](https://npiprofile.com/npi/1962865634) · Data from the CMS NPPES public registry.