Jonathan Fink Mosser, MD
Pediatric Infectious Diseases Physician · Seattle, WA
Jonathan Fink Mosser, MD is a pediatric infectious diseases physician with a practice address in Seattle, Washington, and NPI 1639448947, issued on Dec 16, 2011. Check the license (Washington MD60657190, as entered in NPPES) on the Washington Medical Commission; the Medicare figures below come from public CMS files.
- Name
- Jonathan Fink Mosser
- Credential
- MD
- Primary taxonomy
- Pediatric Infectious Diseases Physician 2080P0208X
- License numbers
- MD60657190 WA
ML60368564 WA
Self-reported in NPPES; status is on the state search - Practice location
- 4800 Sand Point Way NE # OC.7830, Seattle, WA 98105
- Phone
- (206) 520-5000
- Enumerated
- Dec 16, 2011
- Record last updated
- Jun 17, 2019 (not updated in 7 years: call before relying on the address or phone)
- Medicaid ID
- 1639448947 WA
- Medicare enrollment
- Enrolled (PECOS I20190531001562); accepts Medicare assignment
- Medical or professional school
- Johns Hopkins University School Of Medicine, 2013
- Entity
- Type 1 · individual
8 nearest pediatric infectious diseases physician records → All 46 in Washington → Look up another NPI →
Also registered at 4800 Sand Point Way NE # OC.7830
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Samuel AbernathyPediatrics Physician1912392168
- Thomas Agostini, MDPediatric Adolescent Medicine Physician1194428953
- Shivika AhujaPediatrics Physician1972306421
- Yasmeen Alayli, MEDICAL STUDENTPediatrics Physician1912525015
- Shawky Aldesoky, MDPediatrics Physician1700726007
- Maria AlemanStudent in an Organized Health Care Education/Training Program1407485444
Verify Jonathan Fink Mosser in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWashington Medical Commission
Search for license MD60657190Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bills Medicare through one group practice
- The Association OF Chrmc And University PhysiciansSeattle, WA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Jonathan Fink Mosser among 46 pediatric infectious diseases physician records in Washington
Jonathan Fink Mosser, MD is one of 46 pediatric infectious diseases physician records with a practice address in Washington. 37% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2011, is newer than 67% of them.
- NPI issued2011 · 67% of these records are older, 28% newer
- In a Medicare fileYes · 37% of these records are
- In the CMS Doctors and Clinicians fileYes · 24% of these records are
- Graduated2013 · median 2013 among the 11 with a school on file
- Record last updated2019 · 72% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2080P0208X and a Washington practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Pediatric Infectious Diseases Physician providers in Washington
There are 46 pediatric infectious diseases physician records in Washington.
All 46 in Washington → Every provider in Seattle → Pediatric Infectious Diseases Physician nationwide →
The 8 pediatric infectious diseases physician records with the nearest ZIP codes
- Theresa Barton, MDSeattle, WA 981051295760205
- Jane L BurnsSeattle, WA 981051891885786
- Janet EnglundSeattle, WA 981051679663561
- Lisa FrenkelSeattle, WA 981051184714073
- Soren Gantt, MDSeattle, WA 981051083661631
- Matthew Kronman, MDSeattle, WA 981051457463424
- Ann MelvinSeattle, WA 981051427148311
- Tamara PozosSeattle, WA 981051881775138
Common questions
What is Jonathan Fink Mosser, MD's NPI number?
Jonathan Fink Mosser, MD's National Provider Identifier (NPI) is 1639448947, issued on Dec 16, 2011. An NPI identifies a provider in billing; it is not a license.
Where is Jonathan Fink Mosser, MD located?
The NPPES record lists a practice address at 4800 Sand Point Way NE # OC.7830, Seattle, WA, 98105. Phone: (206) 520-5000. Providers update this record themselves, so call before visiting.
How can I verify Jonathan Fink Mosser, MD's license?
NPPES lists Washington license number MD60657190, as entered by the provider. Search the Washington Medical Commission at https://wahelms.my.site.com/s/license-search. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.