GERARDO R MELGAR MD
NPI 1619903820
Internal Medicine in Longview, WA
About Gerardo R Melgar Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
GERARDO R MELGAR MD (NPI 1619903820) is an individual internal medicine provider in Longview, Washington, licensed in Washington (MD00034077) and active in the NPI registry since June 2006. He is enrolled in Medicare PECOS, is affiliated with Peacehealth St John Medical Center, and maintains a secondary practice location in Longview.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
Other Identifiers 2
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Gerardo R Melgar Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Gerardo Melgar reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Longview, WA 98632
- Reassigned Medicare billing, Washington enrollment
- 18 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Hospital Affiliations CMS Care Compare 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Peacehealth St John Medical Center
Acute Care Hospitals · Longview, WAOcean Beach Hospital
Critical Access Hospitals · Ilwaco, WAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 98632 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Referred Medical Equipment & Supplies CMS DME claims
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
Other Providers at the Same Location NPPES 16
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Gerardo Melgar's NPI number?
The NPI number for Gerardo Melgar is 1619903820. It was assigned to this individual provider in the NPPES registry on June 23, 2006.
Where is Gerardo Melgar located?
Gerardo Melgar practices at 784 14th Ave, Longview, WA 98632. The listed phone number is (360) 703-6400.
What is Gerardo Melgar's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Gerardo Melgar enrolled in Medicare?
Yes. Gerardo Melgar is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Gerardo Melgar's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Gerardo Melgar reassigns Medicare benefits to Cowlitz Family Health Center (Longview, WA). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Gerardo Melgar's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Gerardo Melgar accept?
Health plans from Ambetter Health, Moda Health Plan, Inc. and Premera Blue Cross Blue Shield of Alaska list Gerardo Melgar as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
Is Gerardo Melgar affiliated with any hospitals?
According to CMS data, Gerardo Melgar is affiliated with Peacehealth St John Medical Center and Ocean Beach Hospital.
When was this NPI record last updated?
The NPPES record for Gerardo Melgar was last updated on July 25, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Gerardo R Melgar, MD · NPI 1619903820
Internal Medicine physician in Longview, Washington. Individual provider, active in the CMS NPPES registry since June 23, 2006.
## Identity
- **NPI:** 1619903820 (Entity type: Individual)
- **Enumerated:** June 23, 2006
- **Primary specialty:** Internal Medicine · taxonomy 207R00000X
- **State license:** MD00034077 (Washington)
- **Sole proprietor:** No
## Practice location
- **Address:** 784 14TH AVE, Longview, WA 98632-2315
- **Phone:** (360) 703-6400 · **Fax:** (360) 353-6411
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** Cowlitz Family Health Center (NPI 1962876748, Longview, WA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 1986
## Record status
- **NPPES last updated:** July 25, 2022
- **Other identifiers:** Medicaid 1033177 (WA); Medicaid 7086523 (WA)
---
Source: [NPI Profile](https://npiprofile.com/npi/1619903820) · Data from the CMS NPPES public registry.