Gerardo R Melgar, MD - Medicare Internal Medicine in Longview, WA

Gerardo R Melgar, MD is a medicare enrolled "Internal Medicine" physician in Longview, Washington. He graduated from medical school in 1986 and has 38 years of diverse experience with area of expertise as Internal Medicine. He is a member of the group practice Cowlitz Family Health Center and his current practice location is 784 14th Ave, Longview, Washington. You can reach out to his office (for appointments etc.) via phone at (360) 703-6400.

Gerardo R Melgar is licensed to practice in Washington (license number MD00034077) and he also participates in the medicare program. He may accept medicare assignments (which means he may accept the Medicare-approved amount; you may be billed for more than the Medicare deductible and coinsurance) and his NPI Number is 1619903820.

Contact Information

Gerardo R Melgar, MD
784 14th Ave,
Longview, WA 98632-2315
(360) 703-6400
(360) 353-6411

Map and Direction




Physician's Profile

Full NameGerardo R Melgar
GenderMale
SpecialityInternal Medicine
Experience38 Years
Location784 14th Ave, Longview, Washington
Accepts Medicare AssignmentsMay be. He may accept the Medicare-approved amount; you may be billed for more than the Medicare deductible and coinsurance.
  Medical Education and Training:
  • Gerardo R Melgar graduated from medical school in 1986
  NPI Data:
  • NPI Number: 1619903820
  • Provider Enumeration Date: 06/23/2006
  • Last Update Date: 07/25/2022
  Medicare PECOS Information:
  • PECOS PAC ID: 9537176920
  • Enrollment ID: I20060309000300

Medical Identifiers

Medical identifiers for Gerardo R Melgar such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1619903820NPI-NPPES
1033177MedicaidWA
7086523MedicaidWA

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207R00000XInternal Medicine MD00034077 (Washington)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Ocean Beach HospitalIlwaco, WAHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Cowlitz Family Health Center599169639518

Medicare Reassignments

Some practitioners may not bill the customers directly but medicare billing happens through clinics / group practice / hospitals where the provider works. Medicare reassignment of benefits is a mechanism by which practitioners allow third parties to bill and receive payment for medicare services performed by them. Gerardo R Melgar allows following entities to bill medicare on his behalf.
Entity NameCowlitz Family Health Center
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1891724506
PECOS PAC ID: 5991696395
Enrollment ID: O20040324000330

Medicare Part D Prescriber Enrollment

Any physician or other eligible professional who prescribes Part D drugs must either enroll in the Medicare program or opt out in order to prescribe drugs to their patients with Part D prescription drug benefit plans. Gerardo R Melgar is enrolled with medicare and thus, if eligible, can prescribe medicare part D drugs to patients with medicare part D benefits.

Mailing Address and Practice Location

Mailing AddressPractice Location Address
Gerardo R Melgar, MD
1057 12th Ave,
Longview, WA 98632-2509

Ph: (360) 636-3892
Gerardo R Melgar, MD
784 14th Ave,
Longview, WA 98632-2315

Ph: (360) 703-6400

Reviews and Comments


Internal Medicine Doctors in Longview, WA

Yoon Hee Amy Chang, MD
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Phone: 360-414-7878    Fax: 360-414-7876
Mr. Anawin Sanguankeo, M.D.
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Lyudmila E Kruzhkov, M.D.
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Dr. Sahar Taqui, M.D.
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James J Nakashima, MD
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Practice Location: 1615 Delaware St, Longview, WA 98632
Phone: 360-414-2700    Fax: 360-414-2714
Gaurav Gandhi, MD
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Medicare: Accepting Medicare Assignments
Practice Location: 1615 Delaware St, Longview, WA 98632
Phone: 360-501-3601    Fax: 360-414-5768

Medicare Program: Medicare is a federal government program which provides health insurance to people who are 65 or older. This program also covers certain younger people with disabilities (who receive Social Security Disability Insurance - SSDI), and people with End-Stage Renal Disease (permanent kidney failure requiring dialysis or a transplant, sometimes called ESRD.

Medicare Assignment: Assignment means that your doctor, provider, or supplier agrees (or is required by law) to accept the Medicare-approved amount as full payment for covered services. Most doctors, providers, and suppliers accept assignment, but you should always check to make sure. Participating providers have signed an agreement to accept assignment for all Medicare-covered services.

NPI Number: The National Provider Identifier (NPI) is a unique identification number for covered health care providers. The NPI must be used in lieu of legacy provider identifiers in the HIPAA standards transactions. Covered health care providers and all health plans and health care clearinghouses must use the NPIs in the administrative and financial transactions adopted under HIPAA (Health Insurance Portability and Accountability Act).

Our Data: Information on www.medicarelist.com is built using data sources published by Centers for Medicare & Medicaid Services (CMS) under Freedom of Information Act (FOIA). The information disclosed on the NPI Registry are FOIA-disclosable and are required to be disclosed under the FOIA and the eFOIA amendments to the FOIA. There is no way to 'opt out' or 'suppress' the NPPES record data for health care providers with active NPIs.