Keith Ritchie, P.A.
NPI 1104390921 · Physician Assistant · South Yarmouth, MA
Keith Ritchie, P.A. is a Physician Assistant provider in South Yarmouth, MA (NPI 1104390921).
Provider details
- NPI number
- 1104390921
- Entity type
- Individual
- Primary specialty
- Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- P.A.
- Sex
- Male
- Sole proprietor
- Yes
- License
- PA1613 (MA)
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
7 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
- 2019-01-15
- Last updated
- 2019-01-15
Frequently asked questions
- What is Keith Ritchie's NPI number?
- Keith Ritchie's National Provider Identifier (NPI) is 1104390921, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Keith Ritchie's specialty?
- Keith Ritchie is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Keith Ritchie located?
- Keith Ritchie's practice location on file with NPPES is 76 Pleasant St, South Yarmouth, MA 02664-4547.
- What is Keith Ritchie's phone number?
- The practice phone number listed in the NPPES registry for Keith Ritchie is (508) 760-5318.
- Is Keith Ritchie's NPI active?
- Yes — Keith Ritchie's NPI (1104390921) is active in the NPPES registry as of the last update on 2019-01-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.