Dr. Gregory B. Melby, MD
- Part D claims, 2024
- 28
- Hospital affiliations
- 1
- State license
- 1
- Year NPI issued
- 2005
- Practice address
- 1700 E 19th Street, The Dalles, OR 97058
- Practice phone
- Call (541) 296-1111
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Melby'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. Gregory B. Melby is a family medicine physician in The Dalles, Oregon
Dr. Melby practices at Adventist Health Columbia Gorge in The Dalles, Oregon, part of Adventist Health.
Dr. Melby's NPI, 1316929920, was assigned on November 18, 2005. Dr. Melby holds Oregon license MD24292.
- NPI
- 1316929920NPI Registry (opens in a new tab)
- NPI enumeration date
- November 18, 2005
- NPI status
- Active
- Practice phone
- (541) 296-1111
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. Gregory B. Melby practices at Adventist Health Columbia Gorge in The Dalles, Oregon
Dr. Melby's primary practice is Adventist Health Columbia Gorge, at 1700 E 19th Street, The Dalles, OR 97058 in Wasco County. The practice phone is (541) 296-1111.
- Adventist Health Columbia Gorge1700 E 19th Street, The Dalles, OR 97058 · Wasco CountyPhone(541) 296-1111
Source: Dmand AI Affiliation Data
Dr. Gregory B. Melby is affiliated with 1 site of care
Dr. Melby's primary practice is Adventist Health Columbia Gorge in The Dalles, Oregon, part of Adventist Health.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Gregory B. Melby's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Melby practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Adventist Health Columbia Gorge | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across Adventist Health and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Gregory B. Melby is one of 2,398 family medicine physicians in Oregon
Family medicine is Dr. Melby's primary specialty in the NPI Registry, under taxonomy code 207Q00000X. Dr. Melby is licensed in Oregon.
Specialties and state licenses
- Family medicine, OregonPrimary
Family medicine physicians near Dr. Melby
Counts of family medicine physicians 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. Gregory B. Melby's patients have a median age of 76
Across all payers, Dmand AI patient panel data puts Dr. Melby's median patient age at 76, with 6% women.
Dr. Melby's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 76
Patient panel by sex, all payers
- Women6%
- Men94%
Source: Dmand AI Patient Panel Data
Dr. Gregory B. Melby wrote 28 Medicare Part D claims in 2024
In 2024, Dr. Melby wrote 28 Medicare Part D claims. Every claim was for a generic drug. CMS names the drug for 13 of them, across 1 drug with 11 or more claims each, at $122 in total drug cost. In 2021, CMS named 29 claims across 2 drugs.
Dr. Melby's most prescribed drugs by claims, 2022
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Part D claims for drugs CMS names, 2021 to 2022
- 2021
- 2022
- Claims for drugs CMS names
- 2021: 292022: 1355%
Drugs named by CMS: 1 in 2022, 2 in 2021.
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
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Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Sources for Dr. Gregory B. Melby'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 patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| 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) |
| 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. Gregory B. Melby
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. Gregory B. Melby's NPI number?
Dr. Gregory B. Melby's NPI number is 1316929920. It was assigned on November 18, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. Gregory B. Melby?
Dr. Gregory B. Melby is a family medicine physician in The Dalles, Oregon. The primary specialty in the NPI Registry is Family Medicine Physician (taxonomy code 207Q00000X).
Where does Dr. Gregory B. Melby practice?
Dr. Melby practices at 1700 E 19th Street, The Dalles, OR 97058. Dr. Melby's primary practice is Adventist Health Columbia Gorge in The Dalles, Oregon, part of Adventist Health.
What is Dr. Gregory B. Melby's office phone number?
The practice phone on file for Dr. Melby is (541) 296-1111.
What is Dr. Gregory B. Melby's medical license number?
Dr. Melby holds Oregon license MD24292.
Which hospitals is Dr. Gregory B. Melby affiliated with?
Dr. Melby practices at Adventist Health Columbia Gorge in The Dalles, Oregon.
What drugs does Dr. Gregory B. Melby prescribe most?
In 2022 Medicare Part D data, Dr. Melby's most prescribed drugs by claims were Tamsulosin HCl.
How long has Dr. Gregory B. Melby been practicing?
Dr. Melby's NPI was assigned in 2005.
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