OrganizationActive
Hightower & Grellner LLC
NPI 1558896084 · Clinic/Center · Cushing, OK
Hightower & Grellner LLC is a Clinic/Center organization in Cushing, OK (NPI 1558896084).
Provider details
- NPI number
- 1558896084
- Entity type
- Organization
- Primary specialty
- Clinic/CenterAmbulatory Health Care Facilities
- Organization subpart
- No
- Authorized official
- Sarah Vier, Credentialing Manager(918) 306-4515
Specialties & taxonomies
Ambulatory Health Care Facilities
Profile Score
Established profile(70/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
9 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
1002 E Cherry St
Cushing, OK 74023-4102
Phone: (918) 306-4515
Fax: (918) 306-4519
Street-level locationGet directions
Mailing address
Po Box 88
Cushing, OK 74023-0088
Other names (DBA / former)
- Doing business as
- Pipeline Crossroads Clinic
Registry dates
- Enumerated
- 2017-04-21
- Last updated
- 2017-04-21
Frequently asked questions
- What is Hightower & Grellner LLC's NPI number?
- Hightower & Grellner LLC's National Provider Identifier (NPI) is 1558896084, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Hightower & Grellner LLC?
- Hightower & Grellner LLC is classified in the NPPES registry as Clinic/Center (Ambulatory Health Care Facilities).
- Where is Hightower & Grellner LLC located?
- Hightower & Grellner LLC's practice location on file with NPPES is 1002 E Cherry St, Cushing, OK 74023-4102.
- What is Hightower & Grellner LLC's phone number?
- The practice phone number listed in the NPPES registry for Hightower & Grellner LLC is (918) 306-4515.
- Who is the authorized official for Hightower & Grellner LLC?
- The authorized official listed on Hightower & Grellner LLC's NPPES record is Sarah Vier, Credentialing Manager. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Hightower & Grellner LLC's NPI active?
- Yes — Hightower & Grellner LLC's NPI (1558896084) is active in the NPPES registry as of the last update on 2017-04-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.