Jonathan Gamson, MD
NPI 1639172927 · Family Medicine Physician · Mount Vernon, WA
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Jonathan Gamson, MD is a Family Medicine Physician provider in Mount Vernon, WA (NPI 1639172927).
Provider details
- NPI number
- 1639172927
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- MD00036055 (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
21 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
2,414 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) |
|---|---|---|
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 473 | $16 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 390 | $125 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 284 | $8 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 200 | $90 |
| Blood Test, Comprehensive Group of Blood Chemicals80053 | 154 | $10 |
| Hemoglobin A1c Level |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 88 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 369 | 95 |
| Lisinopril | 241 | 64 |
| Amlodipine Besylate | 229 | 58 |
| Losartan Potassium | 205 | 54 |
| Levothyroxine Sodium | 160 | 40 |
| Omeprazole | 155 | 45 |
| Metformin Hcl |
Practice location
Mailing address
Registry dates
- Enumerated
- 2005-05-31
- Last updated
- 2026-04-27
- Certified
- 2026-04-27
Frequently asked questions
- What is Jonathan Gamson's NPI number?
- Jonathan Gamson's National Provider Identifier (NPI) is 1639172927, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Jonathan Gamson's specialty?
- Jonathan Gamson is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Jonathan Gamson located?
- Jonathan Gamson's practice location on file with NPPES is 2116 E Section St, Mount Vernon, WA 98274-9124.
- What is Jonathan Gamson's phone number?
- The practice phone number listed in the NPPES registry for Jonathan Gamson is (360) 428-1700.
- Does Jonathan Gamson accept Medicare?
- Jonathan Gamson is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Jonathan Gamson's NPI active?
- Yes — Jonathan Gamson's NPI (1639172927) is active in the NPPES registry as of the last update on 2026-04-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.