JOHN HAN SHAO MD
NPI 1336302199
Internal Medicine - Interventional Cardiology in Irvington, NJ
About John Han Shao Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
JOHN HAN SHAO MD (NPI 1336302199) is an individual interventional cardiology provider in Irvington, New Jersey, licensed in New Jersey (25MA08417900) and active in the NPI registry since July 2008. He is enrolled in Medicare PECOS, is affiliated with Newark Beth Israel Medical Center, and maintains a secondary practice location in Millburn.
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Location 1
Other Identifiers 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
John Han Shao 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 Reassignment
Medicare enrollment records show John Shao reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Elizabeth, NJ 07202
- Reassigned Medicare billing, New Jersey enrollment
- 1,894 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 10
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.
Newark Beth Israel Medical Center
Acute Care Hospitals · Newark, NJPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 07111 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.
Reported Quality Measures
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 John Shao's NPI number?
The NPI number for John Shao is 1336302199. It was assigned to this individual provider in the NPPES registry on July 2, 2008.
Where is John Shao located?
John Shao practices at 50 Union Ave Fl 2, Irvington, NJ 07111. The listed phone number is (732) 937-8939.
What is John Shao's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Interventional Cardiology, with taxonomy code 207RI0011X.
Is John Shao enrolled in Medicare?
Yes. John Shao 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 John Shao's services?
According to the CMS Revalidation Reassignment List (October 2026 release), John Shao reassigns Medicare benefits to Barnabas Health Medical Group PC (Elizabeth, NJ). 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 John Shao's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does John Shao accept?
Health plans from Ambetter Health, Ambetter Health of Delaware and Oscar Health list John Shao 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 John Shao affiliated with any hospitals?
According to CMS data, John Shao is affiliated with Newark Beth Israel Medical Center.
When was this NPI record last updated?
The NPPES record for John Shao was last updated on January 12, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.
# John Han Shao, MD · NPI 1336302199
Interventional Cardiology physician in Irvington, New Jersey. Individual provider, active in the CMS NPPES registry since July 2, 2008.
## Identity
- **NPI:** 1336302199 (Entity type: Individual)
- **Enumerated:** July 2, 2008
- **Primary specialty:** Internal Medicine - Interventional Cardiology · taxonomy 207RI0011X
- **State license:** 25MA08417900 (New Jersey)
- **Sole proprietor:** No
## Practice location
- **Address:** 50 UNION AVE FL 2, Irvington, NJ 07111-3262
- **Phone:** (732) 937-8939
## 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:** Barnabas Health Medical Group PC (NPI 1841557246, Elizabeth, NJ), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2001
## Record status
- **NPPES last updated:** January 12, 2024
- **Other identifiers:** Other 25MA08417900 (NJ)
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Source: [NPI Profile](https://npiprofile.com/npi/1336302199) · Data from the CMS NPPES public registry.