Glyn E. Marsh, MD
Otolaryngology Physician · Walla Walla, WA
Glyn E. Marsh, MD is an otolaryngology physician with a practice address in Walla Walla, Washington, and NPI 1336163005, issued on Jul 27, 2006. Check the license (Washington MD00022960, as entered in NPPES) on the Washington Medical Commission; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Glyn E. Marsh
- Credential
- MD
- Primary taxonomy
- Otolaryngology Physician 207Y00000X
- License number
- MD00022960 WA
Self-reported in NPPES; status is on the state search - Practice location
- 301 W Poplar St, Walla Walla, WA 99362
- Phone
- (509) 522-5825
- Enumerated
- Jul 27, 2006
- Record last updated
- Apr 19, 2012 (not updated in 14 years: call before relying on the address or phone)
- Fax
- (509) 529-3512
- Medicaid IDs
- 1336163005 WA
127886 OR - Entity
- Type 1 · individual
8 nearest otolaryngology physician records → All 305 in Washington → Look up another NPI →
Also registered at 301 W Poplar St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Glyn E. Marsh in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWashington Medical Commission
Search for license MD00022960Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Glyn E. Marsh among 305 otolaryngology physician records in Washington
Glyn E. Marsh, MD is one of 305 otolaryngology physician records with a practice address in Washington. 75% 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 10% of them.
- NPI issued2006 · 10% of these records are older, 52% newer
- In a Medicare fileNo · 75% of these records are
- In the CMS Doctors and Clinicians fileNo · 65% of these records are
- Record last updated2012 · 62% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Y00000X and a Washington practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Otolaryngology Physician providers in Washington
There are 305 otolaryngology physician records in Washington. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 305 in Washington → Every provider in Walla Walla → Otolaryngology Physician nationwide →
The 8 otolaryngology physician records with the nearest ZIP codes
- David Cai, M.D.Walla Walla, WA 993621609210525
- Gary Crabtree, MDWalla Walla, WA 993621336124361
- Gregory Haveman, MDWalla Walla, WA 993621447415773
- Yvette Hollett, MDWalla Walla, WA 993621750744108
- Philip Biggs, MDRichland, WA 993521619471901
- Sean Demars, M.D.Richland, WA 993521841261492
- Bradley Petty, MDRichland, WA 993521790103976
- Ronald Schwartz, M.DRichland, WA 993521902876402
Common questions
What is Glyn E. Marsh, MD's NPI number?
Glyn E. Marsh, MD's National Provider Identifier (NPI) is 1336163005, issued on Jul 27, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Glyn E. Marsh, MD located?
The NPPES record lists a practice address at 301 W Poplar St, Walla Walla, WA, 99362. Phone: (509) 522-5825. Providers update this record themselves, so call before visiting.
How can I verify Glyn E. Marsh, MD's license?
NPPES lists Washington license number MD00022960, 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.