Charles Gargano, M.D.
NPI 1689663288 · Internal Medicine Physician · Bellingham, WA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Charles Gargano, M.D. is a Internal Medicine Physician provider in Bellingham, WA (NPI 1689663288).
Provider details
- NPI number
- 1689663288
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- MD00042376 (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
20 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
424 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 172 | $127 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 126 | $91 |
| Hemoglobin A1c Level83036 | 53 | $10 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 50 | $129 |
| 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 | 23 | $16 |
Typical Medicare-allowed amounts for these services range $10–$129 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 109 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 302 | 102 |
| Levothyroxine Sodium | 221 | 65 |
| Losartan Potassium | 198 | 65 |
| Lisinopril | 186 | 60 |
| Amlodipine Besylate | 147 | 54 |
| Omeprazole | 132 | 44 |
| Hydrochlorothiazide |
Practice location
Mailing address
Registry dates
- Enumerated
- 2005-10-17
- Last updated
- 2010-09-30
Frequently asked questions
- What is Charles Gargano's NPI number?
- Charles Gargano's National Provider Identifier (NPI) is 1689663288, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Charles Gargano's specialty?
- Charles Gargano is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Charles Gargano located?
- Charles Gargano's practice location on file with NPPES is 4545 Cordata Pkwy, Bellingham, WA 98226-7123.
- What is Charles Gargano's phone number?
- The practice phone number listed in the NPPES registry for Charles Gargano is (360) 738-2200.
- Does Charles Gargano accept Medicare?
- Charles Gargano is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Charles Gargano's NPI active?
- Yes — Charles Gargano's NPI (1689663288) is active in the NPPES registry as of the last update on 2010-09-30.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.