John R. Mathis, M.D.
Internal Medicine Physician · Anacortes, WA
John R. Mathis, M.D. is an internal medicine physician with a practice address in Anacortes, Washington, and NPI 1780754739, issued on Nov 8, 2006. Check the license (Washington MD00031284, as entered in NPPES) on the Washington Medical Commission; the Medicare figures below come from public CMS files.
- Name
- John R. Mathis
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- MD00031284 WA
Self-reported in NPPES; status is on the state search - Practice location
- 1213 24TH St, Anacortes, WA 98221
- Phone
- (360) 293-1115
- Enumerated
- Nov 8, 2006
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Medicaid ID
- 1088947 WA
- Medicare enrollment
- Enrolled (PECOS I20090324000021); accepts Medicare assignment
- Medical or professional school
- University Of Utah School Of Medicine, 1991
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 3,079 in Washington → Look up another NPI →
Also registered at 1213 24TH St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify John R. Mathis in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWashington Medical Commission
Search for license MD00031284Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.2 times the Medicare Part D claims of the average internal medicine physician in 2024
6,956 Medicare Part D claims for 524 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 9% of claims. 263 claims were for opioids.
Most prescribed
- Atorvastatin Calcium389 claims
- Levothyroxine Sodium343 claims
- Lisinopril327 claims
- Amlodipine Besylate285 claims
- Omeprazole233 claims
- Simvastatin206 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.
Bills Medicare through 3 group practices
- Public Hospital District NO 2 Skagit County WashingtonAnacortes, WA
- Select Outpatient Services IncGlenview, IL
- Select Rehabilitation, LLCGlenview, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
John R. Mathis among 3,079 internal medicine physician records in Washington
John R. Mathis, M.D. is one of 3,079 internal medicine 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. Its NPI, issued in 2006, is newer than 8% of them.
- NPI issued2006 · 8% of these records are older, 55% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 60% of these records are
- Graduated1991 · median 2006 among the 1,852 with a school on file
- Record last updated2007 · 63% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Washington practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
12 internal medicine physician records list a practice address in Anacortes
They are 12 of the 467 NPPES records with a practice address in Anacortes, and 3,079 internal medicine physician records in Washington.
All 3,079 in Washington → Every provider in Anacortes → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- James Abbey, M.D.Anacortes, WA 982211447646039
- Matthew Boyle, DOAnacortes, WA 982211225691363
- Robert Cooney, MDAnacortes, WA 982211851533137
- Vicki FishfaderAnacortes, WA 982211912002262
- Richard Holman, D.O.Anacortes, WA 982211205240702
- Allen Horesh, M.D.Anacortes, WA 982211447345806
- Charles Kotal, M.D.Anacortes, WA 982211104888361
- Georgia Leake, D.O.Anacortes, WA 982211457739492
Common questions
What is John R. Mathis, M.D.'s NPI number?
John R. Mathis, M.D.'s National Provider Identifier (NPI) is 1780754739, issued on Nov 8, 2006. An NPI identifies a provider in billing; it is not a license.
Where is John R. Mathis, M.D. located?
The NPPES record lists a practice address at 1213 24TH St, Anacortes, WA, 98221. Phone: (360) 293-1115. Providers update this record themselves, so call before visiting.
How can I verify John R. Mathis, M.D.'s license?
NPPES lists Washington license number MD00031284, 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.
How much does John R. Mathis, M.D. prescribe under Medicare Part D?
In 2024, John R. Mathis, M.D. had 6,956 Medicare Part D claims for 524 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.