Matthew Baker, MD
NPI 1932561545 · Nephrology Physician · Portsmouth, VA
Enrolled with Medicare as Order and Referring Only - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Matthew Baker, MD is a Nephrology Physician provider in Portsmouth, VA (NPI 1932561545).
Provider details
- NPI number
- 1932561545
- Entity type
- Individual
- Primary specialty
- Nephrology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- 0101262935 (VA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
10 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2016-03-23
- Last updated
- 2024-06-24
- Certified
- 2024-06-24
Frequently asked questions
- What is Matthew Baker's NPI number?
- Matthew Baker's National Provider Identifier (NPI) is 1932561545, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Matthew Baker's specialty?
- Matthew Baker is listed in the NPPES registry with a primary specialty of Nephrology Physician (Allopathic & Osteopathic Physicians).
- Where is Matthew Baker located?
- Matthew Baker's practice location on file with NPPES is 620 John Paul Jones Cir, Portsmouth, VA 23708-2111.
- What is Matthew Baker's phone number?
- The practice phone number listed in the NPPES registry for Matthew Baker is (757) 953-2051.
- Does Matthew Baker accept Medicare?
- Matthew Baker is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Matthew Baker's NPI active?
- Yes — Matthew Baker's NPI (1932561545) is active in the NPPES registry as of the last update on 2024-06-24.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.