Gerardo Melgar, MD
NPI 1619903820 · Internal Medicine Physician · Longview, WA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Gerardo Melgar, MD is a Internal Medicine Physician provider in Longview, WA (NPI 1619903820).
Provider details
- NPI number
- 1619903820
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- MD00034077 (WA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
20 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
2 documented practice locations
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 prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 42 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 135 | 67 |
| Atorvastatin Calcium | 133 | 84 |
| Buprenorphine Hcl/Naloxone Hclbrand: Buprenorphine-Naloxone | 103 | 24 |
| Omeprazole | 94 | 41 |
| Levothyroxine Sodium | 84 | 54 |
| Amlodipine Besylate | 69 |
Practice location
Mailing address
Additional practice locations (1)
- 1057 12th AveLongview, WA 98632-2509Phone: (360) 636-3892Fax: (360) 414-1114
Registry dates
- Enumerated
- 2006-06-23
- Last updated
- 2022-07-25
- Certified
- 2022-07-25
Frequently asked questions
- What is Gerardo Melgar's NPI number?
- Gerardo Melgar's National Provider Identifier (NPI) is 1619903820, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gerardo Melgar's specialty?
- Gerardo Melgar is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Gerardo Melgar located?
- Gerardo Melgar's practice location on file with NPPES is 784 14th Ave, Longview, WA 98632-2315.
- What is Gerardo Melgar's phone number?
- The practice phone number listed in the NPPES registry for Gerardo Melgar is (360) 703-6400.
- Does Gerardo Melgar accept Medicare?
- Gerardo Melgar is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Gerardo Melgar's NPI active?
- Yes — Gerardo Melgar's NPI (1619903820) is active in the NPPES registry as of the last update on 2022-07-25.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.