Dr. Matthew Foster Baker, MD
- Hospital affiliations
- 1
- Industry payments
- $15
- State license
- 1
- Year NPI issued
- 2016
- Practice address
- 620 John Paul Jones Cir, Portsmouth, VA 23708
- Practice phone
- Call (757) 953-5000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
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. Matthew Foster Baker is a nephrologist in Portsmouth, Virginia
Dr. Baker practices at Naval Medical Center Portsmouth in Portsmouth, Virginia, part of United States Department of War.
Dr. Baker's NPI, 1932561545, was assigned on March 23, 2016. Dr. Baker holds Virginia license 0101262935.
- NPI
- 1932561545NPI Registry (opens in a new tab)
- NPI enumeration date
- March 23, 2016
- NPI status
- Active
- Practice phone
- (757) 953-5000
- 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. Matthew Foster Baker practices at Naval Medical Center Portsmouth in Portsmouth, Virginia
Dr. Baker's primary practice is Naval Medical Center Portsmouth, at 620 John Paul Jones Cir, Portsmouth, VA 23708 in Portsmouth City. The practice phone is (757) 953-5000.
- Naval Medical Center Portsmouth620 John Paul Jones Cir, Portsmouth, VA 23708 · Portsmouth CityPhone(757) 953-5000
Source: Dmand AI Affiliation Data
Dr. Matthew Foster Baker is affiliated with 1 site of care
Dr. Baker's primary practice is Naval Medical Center Portsmouth in Portsmouth, Virginia, part of United States Department of War. Dr. Baker's employer is on file too: a hospital.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Matthew Foster 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 |
|---|---|
| Naval Medical Center Portsmouth | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Matthew Foster Baker is one of 289 nephrologists in Virginia
Nephrology is Dr. Baker's primary specialty in the NPI Registry, under taxonomy code 207RN0300X. Dr. Baker is licensed in Virginia.
Specialties and state licenses
- Nephrology, VirginiaPrimary
Nephrologists near Dr. Baker
Counts of nephrologists 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. Matthew Foster Baker's patients have a median age of 57
Across all payers, Dmand AI patient panel data puts Dr. Baker's median patient age at 57, with 50% 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 57
Patient panel by sex, all payers
- Women50%
- Men50%
Source: Dmand AI Patient Panel Data
Dr. Matthew Foster Baker received $15 in industry payments in 2023
CMS Open Payments shows 1 general payment to Dr. Baker from 1 drug or device company in 2023. Food and beverage make up the largest share, 100% of the total. Coloplast Corp paid the most, $15.
Companies that paid Dr. Baker the most, 2023 to 2023
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Matthew Foster 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 |
| Industry payments | Open Payments (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. Matthew Foster 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. Matthew Foster Baker's NPI number?
Dr. Matthew Foster Baker's NPI number is 1932561545. It was assigned on March 23, 2016, and it is active in the NPI Registry.
What kind of doctor is Dr. Matthew Foster Baker?
Dr. Matthew Foster Baker is a nephrologist in Portsmouth, Virginia. The primary specialty in the NPI Registry is Nephrology Physician (taxonomy code 207RN0300X).
Where does Dr. Matthew Foster Baker practice?
Dr. Baker practices at 620 John Paul Jones Cir, Portsmouth, VA 23708. Dr. Baker's primary practice is Naval Medical Center Portsmouth in Portsmouth, Virginia, part of United States Department of War.
What is Dr. Matthew Foster Baker's office phone number?
The practice phone on file for Dr. Baker is (757) 953-5000.
What is Dr. Matthew Foster Baker's medical license number?
Dr. Baker holds Virginia license 0101262935.
Which hospitals is Dr. Matthew Foster Baker affiliated with?
Dr. Baker practices at Naval Medical Center Portsmouth in Portsmouth, Virginia.
Has Dr. Matthew Foster Baker received payments from drug or device companies?
CMS Open Payments shows $15 in general payments to Dr. Baker from 1 company from 2023 to 2023. The largest total came from Coloplast Corp.
How long has Dr. Matthew Foster Baker been practicing?
Dr. Baker's NPI was assigned in 2016.
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