Theodore K Gregorius MD Inc
NPI 1265922397 · Orthopaedic Surgery Physician · Newport Beach, CA
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Theodore K Gregorius MD Inc is a Orthopaedic Surgery Physician organization in Newport Beach, CA (NPI 1265922397).
Provider details
- NPI number
- 1265922397
- Entity type
- Organization
- Primary specialty
- Orthopaedic Surgery PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Theodore Gregorius, President(949) 759-3600
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
8 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
- 2018-05-15
- Last updated
- 2018-12-14
Frequently asked questions
- What is Theodore K Gregorius MD Inc's NPI number?
- Theodore K Gregorius MD Inc's National Provider Identifier (NPI) is 1265922397, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Theodore K Gregorius MD Inc?
- Theodore K Gregorius MD Inc is classified in the NPPES registry as Orthopaedic Surgery Physician (Allopathic & Osteopathic Physicians).
- Where is Theodore K Gregorius MD Inc located?
- Theodore K Gregorius MD Inc's practice location on file with NPPES is 360 San Miguel Dr., Ste. 701, Newport Beach, CA 92660.
- What is Theodore K Gregorius MD Inc's phone number?
- The practice phone number listed in the NPPES registry for Theodore K Gregorius MD Inc is (949) 759-3600.
- Does Theodore K Gregorius MD Inc accept Medicare?
- Theodore K Gregorius MD Inc 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 Theodore K Gregorius MD Inc?
- The authorized official listed on Theodore K Gregorius MD Inc's NPPES record is Theodore Gregorius, President. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Theodore K Gregorius MD Inc's NPI active?
- Yes — Theodore K Gregorius MD Inc's NPI (1265922397) is active in the NPPES registry as of the last update on 2018-12-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.