Dennis Mayock
Neonatal-Perinatal Medicine Physician · Seattle, WA
Dennis Mayock is a neonatal-perinatal medicine physician with a practice address in Seattle, Washington, and NPI 1013932680, issued on Jul 13, 2006. Check the license (Washington MD00016391, as entered in NPPES) on the Washington Medical Commission; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Dennis Mayock
- Primary taxonomy
- Neonatal-Perinatal Medicine Physician 2080N0001X
- License number
- MD00016391 WA
Self-reported in NPPES; status is on the state search - Practice location
- Pediatrics, Box 356320, Seattle, WA 98195
- Phone
- (206) 543-3200
- Enumerated
- Jul 13, 2006
- Record last updated
- Jul 9, 2007 (not updated in 19 years: call before relying on the address or phone)
- Medicaid ID
- 8101792 WA
- Entity
- Type 1 · individual
8 nearest neonatal-perinatal medicine physician records → All 128 in Washington → Look up another NPI →
Verify Dennis Mayock in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWashington Medical Commission
Search for license MD00016391Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Dennis Mayock among 128 neonatal-perinatal medicine physician records in Washington
Dennis Mayock is one of 128 neonatal-perinatal medicine physician records with a practice address in Washington. 15% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2006, is newer than 2% of them.
- NPI issued2006 · 2% of these records are older, 58% newer
- In a Medicare fileNo · 15% of these records are
- In the CMS Doctors and Clinicians fileNo · 6% of these records are
- Record last updated2007 · 60% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2080N0001X and a Washington practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Neonatal-Perinatal Medicine Physician providers in Washington
There are 128 neonatal-perinatal medicine physician records in Washington. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 128 in Washington → Every provider in Seattle → Neonatal-Perinatal Medicine Physician nationwide →
The 8 neonatal-perinatal medicine physician records with the nearest ZIP codes
- Maneesh Batra, MDSeattle, WA 981951366454407
- Sara Berkelhamer, MDSeattle, WA 981951972583169
- Toby Cohen, MDSeattle, WA 981951831108992
- Meenakshi Dutta, M.D.Seattle, WA 981951407020746
- Sarah Handley, MDSeattle, WA 981951992740732
- Rebecca Hoban, MDSeattle, WA 981951164632964
- Elizabeth Jacobson, M.D.Seattle, WA 981951669583985
- Marcella Mascher Denen, MDSeattle, WA 981951003925827
Common questions
What is Dennis Mayock's NPI number?
Dennis Mayock's National Provider Identifier (NPI) is 1013932680, issued on Jul 13, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Dennis Mayock located?
The NPPES record lists a practice address at Pediatrics, Box 356320, Seattle, WA, 98195. Phone: (206) 543-3200. Providers update this record themselves, so call before visiting.
How can I verify Dennis Mayock's license?
NPPES lists Washington license number MD00016391, 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. 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.