DR. JOHN T MOON MD, PHD
NPI 1558456319
Surgery in Astoria, OR
About Dr. John T Moon Md, Phd NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. JOHN T MOON MD, PHD (NPI 1558456319) is an individual surgery provider in Astoria, Oregon, licensed in Oregon (MD156549) and active in the NPI registry since October 2006. He is enrolled in Medicare PECOS, is affiliated with Columbia Memorial Hospital, and maintains 2 additional practice locations.
NPPES Registry Identity
Specialties & Licenses
Other Names 1
Secondary Practice Locations 2
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
Dr. John T Moon Md, Phd 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
4Medicare enrollment records show John Moon reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Astoria, OR 97103
- Reassigned Medicare billing, Oregon enrollment
- 195 clinicians in this Medicare group
Riverside, CA 92504
- Reassigned Medicare billing, California enrollment
- 20 clinicians in this Medicare group
Orange, CA 92868
- Reassigned Medicare billing, California enrollment
- 180 clinicians in this Medicare group
Baltimore, MD 21201
- Reassigned Medicare billing, Maryland enrollment
- 966 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.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Columbia Memorial Hospital
Critical Access Hospitals · Astoria, ORPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 97103 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 5
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
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 Moon's NPI number?
The NPI number for John Moon is 1558456319. It was assigned to this individual provider in the NPPES registry on October 4, 2006. The provider is also known as Dr. John Tae Sung Moon MD, Phd.
Where is John Moon located?
John Moon practices at 2055 Exchange St Ste 270, Astoria, OR 97103. The listed phone number is (503) 338-4670.
What is John Moon's specialty?
The primary specialty registered for this NPI is Surgery with taxonomy code 208600000X.
Is John Moon enrolled in Medicare?
Yes. John Moon 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 Moon's services?
According to the CMS Revalidation Reassignment List (October 2026 release), John Moon reassigns Medicare benefits to 4 organizations: Columbia Lutheran Charities (Astoria, OR), Mission Surgical Clinic, Inc. (Riverside, CA), University Surgeons Of Orange A Medical Group (Orange, CA) and University Of Maryland Community Medical Group, Inc. (Baltimore, MD). 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 Moon's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does John Moon accept?
Health plans from Moda Health Plan, Inc. list John Moon 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 Moon affiliated with any hospitals?
According to CMS data, John Moon is affiliated with Columbia Memorial Hospital.
When was this NPI record last updated?
The NPPES record for John Moon was last updated on August 29, 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.
# Dr. John T Moon, MD, PHD · NPI 1558456319
Surgery physician in Astoria, Oregon. Individual provider, active in the CMS NPPES registry since October 4, 2006.
## Identity
- **NPI:** 1558456319 (Entity type: Individual)
- **Enumerated:** October 4, 2006
- **Primary specialty:** Surgery · taxonomy 208600000X
- **State license:** MD156549 (Oregon)
- **Sole proprietor:** No
## Practice location
- **Address:** 2055 EXCHANGE ST STE 270, Astoria, OR 97103-3419
- **Phone:** (503) 338-4670
## 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:** 4 organizations under Medicare reassignment (form CMS-855R): Columbia Lutheran Charities (NPI 1871747659, Astoria, OR); Mission Surgical Clinic, Inc. (NPI 1457300436, Riverside, CA); University Surgeons Of Orange A Medical Group (NPI 1407806904, Orange, CA); University Of Maryland Community Medical Group, Inc. (NPI 1477530624, Baltimore, MD) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Louisiana State University School Of Medicine In New Orleans, class of 1995
## Record status
- **NPPES last updated:** August 29, 2024
- **Other identifiers:** Medicaid 6603700 (NY)
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Source: [NPI Profile](https://npiprofile.com/npi/1558456319) · Data from the CMS NPPES public registry.