Ariel Mastrich, N.D.
Naturopath · Vancouver, WA
Ariel Mastrich, N.D. is a naturopath with a practice address in Vancouver, Washington, and NPI 1417208349, issued on Oct 2, 2012. Check the license with the Washington board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Ariel Mastrich
- Credential
- N.D.
- Primary taxonomy
- Naturopath 175F00000X
- License number
- 1914 OR
Self-reported in NPPES; status is on the state search - Practice location
- 3200 SE 164TH Ave Ste 101, Vancouver, WA 98683
- Phone
- (360) 406-4884
- Enumerated
- Oct 2, 2012
- Record last updated
- Nov 20, 2019 (not updated in 7 years: call before relying on the address or phone)
- Fax
- (360) 406-4881
- Entity
- Type 1 · individual
8 nearest naturopath records → All 1,532 in Washington → Look up another NPI →
Also registered at 3200 SE 164TH Ave Ste 101
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Haylee Haskin, NDNaturopath1427651413
- Laura Jordhen, MDFamily Medicine Physician1538116314
- Harmony Layne, NDNaturopath1124456728
Verify Ariel Mastrich in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Washington board licenses this professionCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
19% fewer Medicare Part D claims than the average naturopath in 2024
88 Medicare Part D claims, against an average of 109 among the 1,866 providers of this specialty who prescribed in Part D.
Most prescribed
- Levothyroxine Sodium21 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Ariel Mastrich among 1,532 naturopath records in Washington
Ariel Mastrich, N.D. is one of 1,532 naturopath 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 2012, is newer than 45% of them.
- NPI issued2012 · 45% of these records are older, 50% newer
- In a Medicare fileYes · 35% of these records are
- In the CMS Doctors and Clinicians fileNo · under 1% of these records are
- Record last updated2019 · 66% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 175F00000X and a Washington practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Naturopath providers in Washington
There are 1,532 naturopath records in Washington.
All 1,532 in Washington → Every provider in Vancouver → Naturopath nationwide →
The 8 naturopath records with the nearest ZIP codes
- Kristin Connolly, NDVancouver, WA 986831609688456
- Sara Danko, ND, LACVancouver, WA 986831134532500
- Jacqueline Engel, N.D., L.M.T.Vancouver, WA 986831891725321
- Haylee Haskin, NDVancouver, WA 986831427651413
- Harmony Layne, NDVancouver, WA 986831124456728
- Cara Phillipo, N.D. L.ACVancouver, WA 986831932144771
- Diana Valdez Rodriguez, NDVancouver, WA 986831861246225
- Lisa Warbrick, NDVancouver, WA 986831265186985
Common questions
What is Ariel Mastrich, N.D.'s NPI number?
Ariel Mastrich, N.D.'s National Provider Identifier (NPI) is 1417208349, issued on Oct 2, 2012. An NPI identifies a provider in billing; it is not a license.
Where is Ariel Mastrich, N.D. located?
The NPPES record lists a practice address at 3200 SE 164TH Ave Ste 101, Vancouver, WA, 98683. Phone: (360) 406-4884. Providers update this record themselves, so call before visiting.
How can I verify Ariel Mastrich, N.D.'s license?
Search the Washington board that licenses this profession; the NPPES record confirms identity only.
How much does Ariel Mastrich, N.D. prescribe under Medicare Part D?
In 2024, Ariel Mastrich, N.D. had 88 Medicare Part D claims; the average among naturopath prescribers was 109. Part D covers Medicare prescriptions 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.