JONATHAN S MARON M.D.
NPI 1023160348
Anesthesiology in Seattle, WA
About Jonathan S Maron M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
JONATHAN S MARON M.D. (NPI 1023160348) is an individual anesthesiology provider in Seattle, Washington, licensed in Washington (MD00032056) and active in the NPI registry since January 2007. He is enrolled in Medicare PECOS, is affiliated with Swedish Medical Center, and is a graduate of Emory University School Of Medicine (1990).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 3
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
Jonathan S Maron 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 Reassignment
Medicare enrollment records show Jonathan Maron reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Seattle, WA 98122
- Reassigned Medicare billing, Washington enrollment
- 233 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.
Swedish Medical Center
Acute Care Hospitals · Seattle, WAMedicare 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.
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.
SEATTLE, WA 98104
SEATTLE, WA 98104
SEATTLE, WA 98104
SEATTLE, WA 98104
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 Jonathan Maron's NPI number?
The NPI number for Jonathan Maron is 1023160348. It was assigned to this individual provider in the NPPES registry on January 17, 2007.
Where is Jonathan Maron located?
Jonathan Maron practices at 1229 Madison St Suite 1440, Seattle, WA 98104. The listed phone number is (206) 625-0578.
What is Jonathan Maron's specialty?
The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.
Is Jonathan Maron enrolled in Medicare?
Yes. Jonathan Maron 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 Jonathan Maron's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Jonathan Maron reassigns Medicare benefits to Physicians Anesthesia Service PLLC (Seattle, WA). 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 Jonathan Maron's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Jonathan Maron affiliated with any hospitals?
According to CMS data, Jonathan Maron is affiliated with Swedish Medical Center.
When was this NPI record last updated?
The NPPES record for Jonathan Maron was last updated on April 14, 2008. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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.
# Jonathan S Maron, M.D. · NPI 1023160348
Anesthesiology physician in Seattle, Washington. Individual provider, active in the CMS NPPES registry since January 17, 2007.
## Identity
- **NPI:** 1023160348 (Entity type: Individual)
- **Enumerated:** January 17, 2007
- **Primary specialty:** Anesthesiology · taxonomy 207L00000X
- **State license:** MD00032056 (Washington)
- **Sole proprietor:** No
## Practice location
- **Address:** 1229 MADISON ST, SUITE 1440, Seattle, WA 98104-3586
- **Phone:** (206) 625-0578 · **Fax:** (206) 625-9184
## 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:** Physicians Anesthesia Service PLLC (NPI 1417962200, Seattle, WA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Emory University School Of Medicine, class of 1990
## Record status
- **NPPES last updated:** April 14, 2008
- **Other identifiers:** Medicare UPIN F87660; Medicare PIN GAB04991; Medicaid 8157968 (WA)
---
Source: [NPI Profile](https://npiprofile.com/npi/1023160348) · Data from the CMS NPPES public registry.