Richard Alexander, MD
NPI 1831145580 · Nephrology Physician · Salem, MA
Richard Alexander, MD is a Nephrology Physician provider in Salem, MA (NPI 1831145580).
Provider details
- NPI number
- 1831145580
- Entity type
- Individual
- Primary specialty
- Nephrology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- License
- 37200 (MA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
20 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
- 2006-05-25
- Last updated
- 2025-09-11
Frequently asked questions
- What is Richard Alexander's NPI number?
- Richard Alexander's National Provider Identifier (NPI) is 1831145580, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Richard Alexander's specialty?
- Richard Alexander is listed in the NPPES registry with a primary specialty of Nephrology Physician (Allopathic & Osteopathic Physicians).
- Where is Richard Alexander located?
- Richard Alexander's practice location on file with NPPES is 331 Highland Ave, Salem, MA 01970.
- What is Richard Alexander's phone number?
- The practice phone number listed in the NPPES registry for Richard Alexander is (978) 745-1200.
- Is Richard Alexander's NPI active?
- Yes — Richard Alexander's NPI (1831145580) is active in the NPPES registry as of the last update on 2025-09-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.