YANHONG ZHANG M.D.
NPI 1639558737
Internal Medicine - Pulmonary Disease in Marshfield, WI
About Yanhong Zhang M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
YANHONG ZHANG M.D. (NPI 1639558737) is an individual pulmonary disease provider in Marshfield, Wisconsin, licensed in Wisconsin (88237) and active in the NPI registry since May 2015. He is enrolled in Medicare PECOS, is affiliated with Cooper University Hospital, and maintains a secondary practice location in Camden.
NPPES Registry Identity
Specialties & Licenses 3
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
Yanhong Zhang 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 Reassignments
7Medicare enrollment records show Yanhong Zhang reassigns Medicare billing to 7 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Frederick, MD 21701
- Reassigned Medicare billing, New Jersey and Pennsylvania enrollments
- 31 clinicians in this Medicare group
East Stroudsburg, PA 18301
- Reassigned Medicare billing, Pennsylvania enrollment
- 103 clinicians in this Medicare group
Newark, DE 19713
- Reassigned Medicare billing, Pennsylvania enrollment
- 63 clinicians in this Medicare group
Mendham, NJ 07945
- Reassigned Medicare billing, New Jersey and Pennsylvania enrollments
- 35 clinicians in this Medicare group
Camden, NJ 08103
- Reassigned Medicare billing, New Jersey enrollment
- 535 clinicians in this Medicare group
Red Bank, NJ 07701
- Reassigned Medicare billing, New Jersey enrollment
- 37 clinicians in this Medicare group
Scottsdale, AZ 85254
- Reassigned Medicare billing, Pennsylvania enrollment
- 383 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.
Hospital Affiliations CMS Care Compare 3
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Cooper University Hospital
Acute Care Hospitals · Camden, NJInspira Medical Center Vineland
Acute Care Hospitals · Vineland, NJInspira Medical Center Mullica Hill
Acute Care Hospitals · Mullica Hill, NJPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 54449 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Referred Medical Equipment & Supplies CMS DME claims 12
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
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.
MARSHFIELD, WI 54449
MARSHFIELD, WI 54449
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 Yanhong Zhang's NPI number?
The NPI number for Yanhong Zhang is 1639558737. It was assigned to this individual provider in the NPPES registry on May 21, 2015.
Where is Yanhong Zhang located?
Yanhong Zhang practices at 1000 N Oak Ave, Marshfield, WI 54449. The listed phone number is (715) 387-5511.
What is Yanhong Zhang's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Pulmonary Disease, with taxonomy code 207RP1001X.
Is Yanhong Zhang enrolled in Medicare?
Yes. Yanhong 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 Yanhong Zhang's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Yanhong Zhang reassigns Medicare benefits to 7 organizations: Cs Pacs 3 Northeast, LLC (Frederick, MD), Pennsylvania Hm Associates PC (East Stroudsburg, PA), Inpatient Consultants Of Pennsylvania PC (Newark, DE), Nj Pacs 2 PA (Mendham, NJ), Cooper Physician Offices, PA (Camden, NJ) and 2 more organizations, listed in the Medicare section above. 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 Yanhong Zhang's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Yanhong Zhang accept?
Health plans from Oscar Health list Yanhong 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.
Is Yanhong Zhang affiliated with any hospitals?
According to CMS data, Yanhong Zhang is affiliated with Cooper University Hospital, Inspira Medical Center Vineland and Inspira Medical Center Mullica Hill.
When was this NPI record last updated?
The NPPES record for Yanhong Zhang was last updated on October 21, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 days 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.
# Yanhong Zhang, M.D. · NPI 1639558737
Pulmonary Disease physician in Marshfield, Wisconsin. Individual provider, active in the CMS NPPES registry since May 21, 2015.
## Identity
- **NPI:** 1639558737 (Entity type: Individual)
- **Enumerated:** May 21, 2015
- **Primary specialty:** Internal Medicine - Pulmonary Disease · taxonomy 207RP1001X
- **State license:** 88237 (Wisconsin)
- **Sole proprietor:** No
## Practice location
- **Address:** 1000 N OAK AVE, Marshfield, WI 54449-5703
- **Phone:** (715) 387-5511
## 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:** 7 organizations under Medicare reassignment (form CMS-855R): Cs Pacs 3 Northeast, LLC (NPI 1093598898, Frederick, MD); Pennsylvania Hm Associates PC (NPI 1841637865, East Stroudsburg, PA); Inpatient Consultants Of Pennsylvania PC (NPI 1033376231, Newark, DE); Nj Pacs 2 PA (NPI 1740766195, Mendham, NJ); Cooper Physician Offices, PA (NPI 1154369510, Camden, NJ); and 2 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 1993
## Record status
- **NPPES last updated:** October 21, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1639558737) · Data from the CMS NPPES public registry.