Dr. Delwyn Richard Baker, MD
- Part D claims, 2024
- 115
- Affiliated sites
- 1
- State license
- 1
- Year NPI issued
- 2006
- Practice address
- 77 Wainwright Dr, Walla Walla, WA 99362
- Practice phone
- Call (702) 341-3164
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Jonathan M. Wainwright Memorial VA Medical Center - Walla Walla
VA Clinic / Health Facility · Walla Walla, Washington
Find Dr. Baker'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. Delwyn Richard Baker is an internist in Walla Walla, Washington
Dr. Baker practices at Jonathan M. Wainwright Memorial VA Medical Center - Walla Walla in Walla Walla, Washington.
Dr. Baker's NPI, 1023108297, was assigned on October 16, 2006. Dr. Baker holds Washington license M4249.
- NPI
- 1023108297NPI Registry (opens in a new tab)
- NPI enumeration date
- October 16, 2006
- NPI status
- Active
- Practice phone
- (702) 341-3164
- 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. Delwyn Richard Baker practices at Jonathan M. Wainwright Memorial VA Medical Center - Walla Walla in Walla Walla, Washington
Dr. Baker's primary practice is Jonathan M. Wainwright Memorial VA Medical Center - Walla Walla, at 77 Wainwright Dr, Walla Walla, WA 99362. The practice phone is (702) 341-3164.
- Jonathan M. Wainwright Memorial VA Medical Center - Walla Walla77 Wainwright Dr, Walla Walla, WA 99362Phone(702) 341-3164
Source: Dmand AI Affiliation Data
Dr. Delwyn Richard Baker is affiliated with 1 site of care
Dr. Baker's primary practice is Jonathan M. Wainwright Memorial VA Medical Center - Walla Walla in Walla Walla, Washington. Dr. Baker's employer is on file too: a government & correctional health.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Delwyn Richard Baker's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Baker practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Jonathan M. Wainwright Memorial VA Medical Center - Walla Walla | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Delwyn Richard Baker is one of 2,689 internists in Washington
Internal medicine is Dr. Baker's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Baker is licensed in Washington.
Specialties and state licenses
- Internal medicine, WashingtonPrimary
Internists near Dr. Baker
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. Delwyn Richard Baker's patients have a median age of 76
Across all payers, Dmand AI patient panel data puts Dr. Baker's median patient age at 76, with 9% women.
Dr. Baker'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
- Women9%
- Men91%
Source: Dmand AI Patient Panel Data
Dr. Delwyn Richard Baker wrote 115 Medicare Part D claims in 2024
In 2024, Dr. Baker wrote 115 Medicare Part D claims. 100% of them were for generic drugs. CMS names the drug for 76 of them, across 6 drugs with 11 or more claims each, at $1,198 in total drug cost. In 2023, CMS named 86 claims across 6 drugs.
Dr. Baker'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.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 862024: 7612%
Drugs named by CMS: 6 in 2024, 6 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
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Sources for Dr. Delwyn Richard Baker'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. Delwyn Richard Baker
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. Delwyn Richard Baker's NPI number?
Dr. Delwyn Richard Baker's NPI number is 1023108297. It was assigned on October 16, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Delwyn Richard Baker?
Dr. Delwyn Richard Baker is an internist in Walla Walla, Washington. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Delwyn Richard Baker practice?
Dr. Baker practices at 77 Wainwright Dr, Walla Walla, WA 99362. Dr. Baker's primary practice is Jonathan M. Wainwright Memorial VA Medical Center - Walla Walla in Walla Walla, Washington.
What is Dr. Delwyn Richard Baker's office phone number?
The practice phone on file for Dr. Baker is (702) 341-3164.
What is Dr. Delwyn Richard Baker's medical license number?
Dr. Baker holds Washington license M4249.
What drugs does Dr. Delwyn Richard Baker prescribe most?
In 2024 Medicare Part D data, Dr. Baker's most prescribed drugs by claims were Omeprazole, Bupropion XL and Hydrochlorothiazide.
How long has Dr. Delwyn Richard Baker been practicing?
Dr. Baker's NPI was assigned in 2006.
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