Greiner Internal Medicine, P.C.
NPI 1831068501 · Internal Medicine Physician · Tulsa, OK
Greiner Internal Medicine, P.C. is a Internal Medicine Physician organization in Tulsa, OK (NPI 1831068501).
Provider details
- NPI number
- 1831068501
- Entity type
- Organization
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Benjamin Greiner, President(918) 615-4015
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
Under 1 yr in 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
- 2025-11-01
- Last updated
- 2025-11-01
- Certified
- 2025-11-01
Frequently asked questions
- What is Greiner Internal Medicine, P.C.'s NPI number?
- Greiner Internal Medicine, P.C.'s National Provider Identifier (NPI) is 1831068501, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Greiner Internal Medicine, P.C.?
- Greiner Internal Medicine, P.C. is classified in the NPPES registry as Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Greiner Internal Medicine, P.C. located?
- Greiner Internal Medicine, P.C.'s practice location on file with NPPES is 4785 E 91st St Ste 200, Tulsa, OK 74137-2839.
- What is Greiner Internal Medicine, P.C.'s phone number?
- The practice phone number listed in the NPPES registry for Greiner Internal Medicine, P.C. is (918) 615-4015.
- Who is the authorized official for Greiner Internal Medicine, P.C.?
- The authorized official listed on Greiner Internal Medicine, P.C.'s NPPES record is Benjamin Greiner, President. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Greiner Internal Medicine, P.C.'s NPI active?
- Yes — Greiner Internal Medicine, P.C.'s NPI (1831068501) is active in the NPPES registry as of the last update on 2025-11-01.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.