DR. JOHN Y CHUN M.D.
NPI 1609858935
Anesthesiology in Salisbury, MD
About Dr. John Y Chun M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. JOHN Y CHUN M.D. (NPI 1609858935) is an individual anesthesiology provider in Salisbury, Maryland, licensed in Maryland (D0047591) and active in the NPI registry since November 2005. He is enrolled in Medicare PECOS and is a graduate of Creighton University School Of Medicine (1985).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 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
Dr. John Y Chun 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
3Medicare enrollment records show John Chun reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Ewing, NJ 08618
- Reassigned Medicare billing, New Jersey enrollment
- 249 clinicians in this Medicare group
Woodland Park, NJ 07424
- Reassigned Medicare billing, New Jersey enrollment
- 117 clinicians in this Medicare group
Wayne, NJ 07470
- Reassigned Medicare billing, New Jersey enrollment
- 40 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 4
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.
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
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.
SALISBURY, MD 21801
SALISBURY, MD 21801
SALISBURY, MD 21801
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 Chun's NPI number?
The NPI number for John Chun is 1609858935. It was assigned to this individual provider in the NPPES registry on November 14, 2005.
Where is John Chun located?
John Chun practices at 100 E Carroll St, Salisbury, MD 21801. The listed phone number is (410) 543-7375.
What is John Chun's specialty?
The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.
Is John Chun enrolled in Medicare?
Yes. John Chun 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 John Chun's services?
According to the CMS Revalidation Reassignment List (October 2026 release), John Chun reassigns Medicare benefits to 3 organizations: Princeton Healthcare Affiliated Physicians PC (Ewing, NJ), Gastroenterology Associates Of New Jersey, LLC (Woodland Park, NJ) and Advanced Ambulatory Anesthesia, LLC (Wayne, NJ). 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 John Chun's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does John Chun accept?
Health plans from Ambetter Health, Ambetter Health of Delaware and Oscar Health list John Chun 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 John Chun was last updated on September 28, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.
# Dr. John Y Chun, M.D. · NPI 1609858935
Anesthesiology physician in Salisbury, Maryland. Individual provider, active in the CMS NPPES registry since November 14, 2005.
## Identity
- **NPI:** 1609858935 (Entity type: Individual)
- **Enumerated:** November 14, 2005
- **Primary specialty:** Anesthesiology · taxonomy 207L00000X
- **State license:** D0047591 (Maryland)
- **Sole proprietor:** No
## Practice location
- **Address:** 100 E CARROLL ST, Salisbury, MD 21801-5422
- **Phone:** (410) 543-7375
## 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): Princeton Healthcare Affiliated Physicians PC (NPI 1467835793, Ewing, NJ); Gastroenterology Associates Of New Jersey, LLC (NPI 1497932271, Woodland Park, NJ); Advanced Ambulatory Anesthesia, LLC (NPI 1063415990, Wayne, NJ) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Creighton University School Of Medicine, class of 1985
## Record status
- **NPPES last updated:** September 28, 2007
- **Other identifiers:** Medicare UPIN F32840 (MD); Medicare PIN S504A018 (MD)
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Source: [NPI Profile](https://npiprofile.com/npi/1609858935) · Data from the CMS NPPES public registry.