Martin John, AU.D.
Audiologist · Yakima, WA
Martin John, AU.D. is an audiologist with a practice address in Yakima, Washington, and NPI 1215988738, issued on May 12, 2006. Check the license (Washington LD00001014, as entered in NPPES) with the Washington board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Martin John
- Credential
- AU.D.
- Primary taxonomy
- Audiologist 231H00000X
- License number
- LD00001014 WA
Self-reported in NPPES; status is on the state search - Practice location
- 303 S 12TH Ave, Yakima, WA 98902
- Phone
- (509) 453-8248
- Enumerated
- May 12, 2006
- Record last updated
- Oct 11, 2011 (not updated in 15 years: call before relying on the address or phone)
- Fax
- (509) 248-9012
- Medicaid IDs
- 9079203 WA
7098684 WA - Medicare enrollment
- Enrolled (PECOS I20090805000465); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest audiologist records → All 584 in Washington → Look up another NPI →
Also registered at 303 S 12TH Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Katie Bertheas, AU.D.Audiologist1972906881
- Krista Bonar, M.S.Speech-Language Pathologist1164788873
- Kelsy Chesnut, M.S.Speech-Language Pathologist1295091601
- Heather Cole, B.S.Speech-Language Assistant1477592640
- Joanne Earl, M.S. CCC-SLPSpeech-Language Pathologist1669422861
- Kay Guelfi, M.S.Speech-Language Pathologist1770856445
Verify Martin John in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Washington board licenses this profession
Search for license LD00001014Check 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
- Tahac LLCYakima, WA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Martin John among 584 audiologist records in Washington
Martin John, AU.D. is one of 584 audiologist records with a practice address in Washington. 35% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 4% of them.
- NPI issued2006 · 4% of these records are older, 76% newer
- In a Medicare fileYes · 35% of these records are
- In the CMS Doctors and Clinicians fileYes · 40% of these records are
- Graduated1978 · median 2014 among the 235 with a school on file
- Record last updated2011 · 59% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 231H00000X and a Washington practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Audiologist providers in Washington
There are 584 audiologist records in Washington.
All 584 in Washington → Every provider in Yakima → Audiologist nationwide →
The 8 audiologist records with the nearest ZIP codes
- Katie Bertheas, AU.D.Yakima, WA 989021972906881
- Debra Jenkins, M.A., CCC-AYakima, WA 989021194999730
- David Oplinger, AUDYakima, WA 989021306825245
- Sally Rodgers, AU.D.Yakima, WA 989021841248614
- Joshua Roylance, AU D. CCC-AYakima, WA 989021538410337
- Rodney Thompson, AUDYakima, WA 989021982683835
- James Thompson, MS CCCAYakima, WA 989021427038595
- Gail Toepel, M.A.Yakima, WA 989021083664296
Common questions
What is Martin John, AU.D.'s NPI number?
Martin John, AU.D.'s National Provider Identifier (NPI) is 1215988738, issued on May 12, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Martin John, AU.D. located?
The NPPES record lists a practice address at 303 S 12TH Ave, Yakima, WA, 98902. Phone: (509) 453-8248. Providers update this record themselves, so call before visiting.
How can I verify Martin John, AU.D.'s license?
NPPES lists Washington license number LD00001014, as entered by the provider. Search the Washington board that licenses this profession; the NPPES record confirms identity only.
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.