Sydney Alexander, PA-C
NPI 1366309536 · Physician Assistant · Boston, MA
Sydney Alexander, PA-C is a Physician Assistant provider in Boston, MA (NPI 1366309536).
Provider details
- NPI number
- 1366309536
- Entity type
- Individual
- Primary specialty
- Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PA-C
- Sex
- Female
- Sole proprietor
- Yes
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
Under 1 yr in registry
- Profile completeness38% of score
83% 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
- 2026-01-08
- Last updated
- 2026-01-08
- Certified
- 2026-01-08
Frequently asked questions
- What is Sydney Alexander's NPI number?
- Sydney Alexander's National Provider Identifier (NPI) is 1366309536, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Sydney Alexander's specialty?
- Sydney Alexander is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Sydney Alexander located?
- Sydney Alexander's practice location on file with NPPES is 14 Cooper St Apt 401, Boston, MA 02113-2233.
- What is Sydney Alexander's phone number?
- The practice phone number listed in the NPPES registry for Sydney Alexander is (757) 559-7167.
- Is Sydney Alexander's NPI active?
- Yes — Sydney Alexander's NPI (1366309536) is active in the NPPES registry as of the last update on 2026-01-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.