Keystone Medical Group
NPI 1235365701 · Neuromuscular Medicine (Physical Medicine & Rehabilitation) Physician · Riverside, CA
Keystone Medical Group is a Neuromuscular Medicine (Physical Medicine & Rehabilitation) Physician organization in Riverside, CA (NPI 1235365701).
Provider details
- NPI number
- 1235365701
- Entity type
- Organization
- Primary specialty
- Neuromuscular Medicine (Physical Medicine & Rehabilitation) PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Gary Weessies, Partner(951) 682-4404
- License
- DC24932 (CA)
Specialties & taxonomies
- Neuromuscular Medicine (Physical Medicine & Rehabilitation) PhysicianPrimary2081N0008XLicense C41397 (CA)
Allopathic & Osteopathic Physicians
Chiropractic Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
17 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
- 2009-06-10
- Last updated
- 2009-06-10
Frequently asked questions
- What is Keystone Medical Group's NPI number?
- Keystone Medical Group's National Provider Identifier (NPI) is 1235365701, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Keystone Medical Group?
- Keystone Medical Group is classified in the NPPES registry as Neuromuscular Medicine (Physical Medicine & Rehabilitation) Physician (Allopathic & Osteopathic Physicians).
- Where is Keystone Medical Group located?
- Keystone Medical Group's practice location on file with NPPES is 4843 Arlington Ave, Riverside, CA 92504-2760.
- What is Keystone Medical Group's phone number?
- The practice phone number listed in the NPPES registry for Keystone Medical Group is (951) 682-4404.
- Who is the authorized official for Keystone Medical Group?
- The authorized official listed on Keystone Medical Group's NPPES record is Gary Weessies, Partner. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Keystone Medical Group's NPI active?
- Yes — Keystone Medical Group's NPI (1235365701) is active in the NPPES registry as of the last update on 2009-06-10.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.