Prev Chronic Dis
Age DistributionBody Mass IndexCommunity Health Centers
Dr. Gerardo R. Melgar, MD
NPI1619903820PAC ID9537176920
- Medicare services, 2023
- 16
- Medicare patients, 2024
- 14
- Part D claims, 2024
- 2,054
- Publications
- 5
- Hospital affiliations
- 2
- Practice address
- 1057 12th Avenue, Longview, WA 98632
- Practice phone
- Call (360) 636-3892
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Cowlitz Family Health Center - Longview (12th Ave)
FQHC - Main Site · Longview, Washington
Find Dr. Melgar's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Gerardo R. Melgar is an internist in Longview, Washington
Dr. Melgar practices at Cowlitz Family Health Center - Longview (12th Ave) in Longview, Washington.
Dr. Melgar's NPI, 1619903820, was assigned on June 23, 2006. Dr. Melgar holds Washington license MD00034077.
NPI and contact details
- NPI
- 1619903820NPI Registry (opens in a new tab)
- Medicare PAC ID
- 9537176920
- NPI enumeration date
- June 23, 2006
- NPI status
- Active
- Practice phone
- (360) 636-3892
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 66
- Medical school graduation
- 1986
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. Gerardo R. Melgar practices at Cowlitz Family Health Center - Longview (12th Ave) in Longview, Washington
Dr. Melgar's primary practice is Cowlitz Family Health Center - Longview (12th Ave), at 1057 12th Avenue, Longview, WA 98632 in Cowlitz County. The practice phone is (360) 636-3892.
- Cowlitz Family Health Center - Longview (12th Ave)1057 12th Avenue, Longview, WA 98632 · Cowlitz CountyPhone(360) 636-3892
Source: Dmand AI Affiliation Data
Dr. Gerardo R. Melgar is affiliated with 5 sites of care and 1 medical group
Dr. Melgar's primary practice is Cowlitz Family Health Center - Longview (12th Ave) in Longview, Washington. Dr. Melgar is also affiliated with PeaceHealth St. John Medical Center. The medical group on file is Cowlitz Family Health Center. Dmand AI also links Dr. Melgar to 1 more hospital, 1 community health center and 1 home health agency, each named with a free account. Dr. Melgar's employer is on file too: a community health center (fqhc).
Cowlitz Family Health Center - Longview (12th Ave)Primary
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Gerardo R. Melgar's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Melgar practices, 5 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Cowlitz Family Health Center - Longview (12th Ave) | Available with a free account |
| +4 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
See the EHR and IT leaders at every site where Dr. Melgar practices
Dmand AI maps EHR vendors, IT decision makers and buying committees across each health system and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Gerardo R. Melgar is one of 2,689 internists in Washington
Internal medicine is Dr. Melgar's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Melgar is licensed in Washington.
Specialties and state licenses
- Internal medicine, WashingtonPrimary
Internists near Dr. Melgar
Counts of internists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Gerardo R. Melgar billed Medicare for 16 services in 2023
CMS data shows 16 Medicare services from Dr. Melgar across 1 procedure code in 2023, for 14 Medicare patients. Medicare paid $134 for them. Every service was in an office.
Medicare services, 202316
Medicare patients14
Paid by Medicare$134
Procedure codes1
Dr. Melgar's Medicare services by type, 2022 to 2023
- 2022
- 2023
- Surgery
- 2022: 672023: 1676%
- Lab and pathology
- 2022: 882023: 0100%
Dr. Melgar compared with the Washington median for internists, 2023
- Dr. Melgar
- Washington median
- Medicare services
- 16vs 36496% below
- Medicare patients
- 14vs 16592% below
- Part D claims
- 1,535vs 1828.4 times
Medians across 2,604 internists in Washington with Dmand AI profiles that report each measure.
Dr. Melgar's most billed Medicare procedure codes, 2023
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
Need commercial claims for Dr. Melgar?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Melgar and other internists in Washington.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Gerardo R. Melgar treated 14 Medicare patients in 2024, average age 62
CMS counts 14 Medicare patients who saw Dr. Melgar in 2024. The largest group is 75 to 84, with 0 patients. Their average risk score is 0.98, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Melgar's median patient age at 49, with 59% women.
Medicare patients, 202414
Average age62
Average risk score0.98
Dr. Melgar's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Melgar's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 49
Patient panel by sex, all payers
- Women59%
- Men41%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Gerardo R. Melgar wrote 2,054 Medicare Part D claims in 2024
In 2024, Dr. Melgar wrote 2,054 Medicare Part D claims for 673 patients. 87% of them were for generic drugs. CMS names the drug for 1,535 of them, across 42 drugs with 11 or more claims each, at $31,071 in total drug cost. In 2023, CMS named 870 claims across 30 drugs.
Part D claims, 20242,054
Drugs named by CMS42
Total drug cost$31,071
Part D patients673
Dr. Melgar's Part D claims by kind of drug, 2024
- Generic1,788 claims87%
- Brand-name196 claims10%
- Other70 claims3%
Dr. Melgar's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Dr. Melgar's Part D claims, 2024
- Antibiotics1%14 of 2,054 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 8702024: 1,53576%
Drugs named by CMS: 42 in 2024, 30 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
For MedTech and pharma teams
Find internists like Dr. Melgar by procedure volume and prescribing
Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Dr. Gerardo R. Melgar has 5 publications on record
Dmand AI links 5 papers to Dr. Melgar, published from 2016 to 2021. 2017 was the busiest year, with 2. Dr. Melgar's most frequent co-authors are Michael Alan Horberg, MD, Jennifer E. Devoe, MD and Laura Michelle Gottlieb, MD, MPH.
Papers5
Years published2016 to 2021
Dr. Melgar's papers by year, 2016 to 2021
Dr. Melgar's most frequent co-authors
- Michael Alan Horberg, MD2 shared papers
- Jennifer E. Devoe, MD1 shared paper
- Laura Michelle Gottlieb, MD, MPH1 shared paper
Recent publications by Dr. Melgar
See who Dr. Melgar researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Melgar works with, so you can find a warm path to the right internists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Sources for Dr. Gerardo R. Melgar's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Gerardo R. Melgar
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Gerardo R. Melgar's NPI number?
Dr. Gerardo R. Melgar's NPI number is 1619903820. It was assigned on June 23, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Gerardo R. Melgar?
Dr. Gerardo R. Melgar is an internist in Longview, Washington. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Gerardo R. Melgar practice?
Dr. Melgar practices at 1057 12th Avenue, Longview, WA 98632. Dr. Melgar's primary practice is Cowlitz Family Health Center - Longview (12th Ave) in Longview, Washington. Dmand AI also links Dr. Melgar to 1 hospital, 1 community health center and 1 home health agency.
What is Dr. Gerardo R. Melgar's office phone number?
The practice phone on file for Dr. Melgar is (360) 636-3892.
What is Dr. Gerardo R. Melgar's medical license number?
Dr. Melgar holds Washington license MD00034077.
Which hospitals is Dr. Gerardo R. Melgar affiliated with?
Dr. Melgar is affiliated with PeaceHealth St. John Medical Center. Dmand AI links Dr. Melgar to 1 more hospital.
What medical group is Dr. Gerardo R. Melgar part of?
Dr. Melgar is linked to Cowlitz Family Health Center.
Does Dr. Gerardo R. Melgar accept Medicare?
Yes. CMS data shows Dr. Melgar billed Medicare for 16 services in 2023.
How many Medicare patients does Dr. Gerardo R. Melgar see?
CMS counts 14 Medicare patients who saw Dr. Melgar in 2024, with an average age of 62.
What services does Dr. Gerardo R. Melgar bill to Medicare?
In 2023, Dr. Melgar's most billed Medicare services were surgery: heart and blood vessels (36415).
Show 4 more questionsShow fewer questions
What drugs does Dr. Gerardo R. Melgar prescribe most?
In 2024 Medicare Part D data, Dr. Melgar's most prescribed drugs by claims were Albuterol Sulfate Hfa, Atorvastatin Calcium and Buprenorphine-Naloxone.
How long has Dr. Gerardo R. Melgar been practicing?
Dr. Melgar graduated from medical school in 1986, 40 years ago.
Does Dr. Gerardo R. Melgar do research?
Dmand AI links 5 publications to Dr. Melgar, published from 2016 to 2021.
Who does Dr. Gerardo R. Melgar publish with?
Dr. Melgar's most frequent co-authors are Michael Alan Horberg, MD (2 shared papers), Jennifer E. Devoe, MD (1 shared paper) and Laura Michelle Gottlieb, MD, MPH (1 shared paper).
Selling to internal medicine practices?
See internists in Washington by site of care and group
Find the practices, groups and hospitals they work with, and the right people to contact at each.
- 30 days free
- Self-serve
- No credit card