Keystone Healthcare Systems LLC
NPI 1992417018 · Psychiatry Physician · Hanover, MA
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Keystone Healthcare Systems LLC is a Psychiatry Physician organization in Hanover, MA (NPI 1992417018).
Provider details
- NPI number
- 1992417018
- Entity type
- Organization
- Primary specialty
- Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Caleb Brooks, Owner(617) 468-6426
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
3 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
- 2022-12-20
- Last updated
- 2025-06-26
- Certified
- 2025-06-26
Frequently asked questions
- What is Keystone Healthcare Systems LLC's NPI number?
- Keystone Healthcare Systems LLC's National Provider Identifier (NPI) is 1992417018, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Keystone Healthcare Systems LLC?
- Keystone Healthcare Systems LLC is classified in the NPPES registry as Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is Keystone Healthcare Systems LLC located?
- Keystone Healthcare Systems LLC's practice location on file with NPPES is 105 Webster St Ste 5, Hanover, MA 02339-1227.
- What is Keystone Healthcare Systems LLC's phone number?
- The practice phone number listed in the NPPES registry for Keystone Healthcare Systems LLC is (901) 264-3704.
- Does Keystone Healthcare Systems LLC accept Medicare?
- Keystone Healthcare Systems LLC is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Who is the authorized official for Keystone Healthcare Systems LLC?
- The authorized official listed on Keystone Healthcare Systems LLC's NPPES record is Caleb Brooks, Owner. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Keystone Healthcare Systems LLC's NPI active?
- Yes — Keystone Healthcare Systems LLC's NPI (1992417018) is active in the NPPES registry as of the last update on 2025-06-26.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.