John Mathis, M.D.
NPI 1780754739 · Internal Medicine Physician · Anacortes, WA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
John Mathis, M.D. is a Internal Medicine Physician provider in Anacortes, WA (NPI 1780754739).
Provider details
- NPI number
- 1780754739
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- MD00031284 (WA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
19 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
2,003 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report Only93010 | 1,166 | $8 |
| Test to Examine How Well the Lungs Exchange Gases94729 | 257 | $8 |
| Test to Measure Expiratory Airflow and Volume Changes Before and After Medication Administration94060 | 241 | $10 |
| Test to Determine Lung Volumes Using Sensors94726 | 240 | $11 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 29 | $114 |
| Hospital Discharge Day Management, 30 Minutes Or Less99238 | 24 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 117 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 389 | 109 |
| Levothyroxine Sodium | 343 | 83 |
| Lisinopril | 327 | 90 |
| Amlodipine Besylate | 285 | 75 |
| Omeprazole | 233 | 68 |
| Simvastatin | 206 | 56 |
| Metoprolol Succinate | 199 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-11-08
- Last updated
- 2007-07-08
Frequently asked questions
- What is John Mathis's NPI number?
- John Mathis's National Provider Identifier (NPI) is 1780754739, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Mathis's specialty?
- John Mathis is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is John Mathis located?
- John Mathis's practice location on file with NPPES is 1213 24th St, Anacortes, WA 98221-2592.
- What is John Mathis's phone number?
- The practice phone number listed in the NPPES registry for John Mathis is (360) 293-1115.
- Does John Mathis accept Medicare?
- John Mathis is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is John Mathis's NPI active?
- Yes — John Mathis's NPI (1780754739) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.