Summation Group LLC
NPI 1689712457 · Radiation Oncology Physician · Claremore, OK
Summation Group LLC is a Radiation Oncology Physician organization in Claremore, OK (NPI 1689712457).
Provider details
- NPI number
- 1689712457
- Entity type
- Organization
- Primary specialty
- Radiation Oncology PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Van Woo, Sole Owner(918) 283-9900
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
19 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
- 2007-02-02
- Last updated
- 2020-08-22
Frequently asked questions
- What is Summation Group LLC's NPI number?
- Summation Group LLC's National Provider Identifier (NPI) is 1689712457, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Summation Group LLC?
- Summation Group LLC is classified in the NPPES registry as Radiation Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is Summation Group LLC located?
- Summation Group LLC's practice location on file with NPPES is 1501 N Florence, Claremore, OK 74017.
- What is Summation Group LLC's phone number?
- The practice phone number listed in the NPPES registry for Summation Group LLC is (918) 283-9900.
- Who is the authorized official for Summation Group LLC?
- The authorized official listed on Summation Group LLC's NPPES record is Van Woo, Sole Owner. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Summation Group LLC's NPI active?
- Yes — Summation Group LLC's NPI (1689712457) is active in the NPPES registry as of the last update on 2020-08-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.