Mark Elmer Ralston, M.D.
Pediatrics Physician · Oak Harbor, WA
Mark Elmer Ralston, M.D. is a pediatrics physician with a practice address in Oak Harbor, Washington, and NPI 1669451373, issued on Jan 11, 2006. Check the license (Washington 23540, as entered in NPPES) on the Washington Medical Commission; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Mark Elmer Ralston
- Credential
- M.D.
- Primary taxonomy
- Pediatrics Physician 208000000X
- License number
- 23540 WA
Self-reported in NPPES; status is on the state search - Practice location
- Naval Health Clinic Oak Harbor 3475 N Saratoga St, Oak Harbor, WA 98278
- Phone
- (360) 257-9782
- Enumerated
- Jan 11, 2006
- Record last updated
- Sep 22, 2023
- Fax
- (360) 257-9662
- Entity
- Type 1 · individual
Also registered at Naval Health Clinic Oak Harbor 3475 N Saratoga St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Mark Elmer Ralston in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWashington Medical Commission
Search for license 23540Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
10 pediatrics physician records list a practice address in Oak Harbor
They are 10 of the 985 NPPES records with a practice address in Oak Harbor, and 1,753 pediatrics physician records in Washington. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 10 in Oak Harbor → All 1,753 in Washington → Every provider in Oak Harbor →
Other pediatrics physician records in Washington
- Rebecca Abaddi, DNPPuyallup, WA1538890900
- Bruce Abbotts, MDSpokane Valley, WA1215095856
- Ibrahim Abdulrahman, MDKennewick, WA1801081948
- Nancy Abell, M.D.Longview, WA1861447757
- Samuel AbernathySeattle, WA1912392168
- Hanaa Abou Ouf, M.D.Tacoma, WA1548476153
- Senait AbrahamSeattle, WA1033287974
- Seja AbudiabSeattle, WA1285166173
- Jennifer Achilles, MDSeattle, WA1891965133
- Diane Ack, MDBellevue, WA1871664623
Common questions
What is Mark Elmer Ralston, M.D.'s NPI number?
Mark Elmer Ralston, M.D.'s National Provider Identifier (NPI) is 1669451373, issued on Jan 11, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Mark Elmer Ralston, M.D. located?
The NPPES record lists a practice address at Naval Health Clinic Oak Harbor 3475 N Saratoga St, Oak Harbor, WA, 98278. Phone: (360) 257-9782. Providers update this record themselves, so call before visiting.
How can I verify Mark Elmer Ralston, M.D.'s license?
NPPES lists Washington license number 23540, 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.