Physician Profile
Unclaimed ProfileAbout GREGORIUS
Theodore K. Gregorius, M.D. is a healthcare provider in Newport Beach, CA specialising in orthopedic surgery. Theodore trained at Loma Linda University School of Medicine, graduating in 2000. Theodore is also listed as specialising in orthopaedic surgery.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Education & Training
Areas of Expertise
Common questions
What does Dr. Gregorius specialise in?
Dr. Gregorius is an orthopedic surgeon in Newport Beach, CA. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “ORTHOPEDIC SURGERY”.
NPI registry
Where is Dr. Gregorius located?
Dr. Gregorius is listed at 360 SAN MIGUEL DR STE 701, Newport Beach, CA 92660. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Dr. Gregorius's phone number?
The number on file is (949) 759-3600. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Dr. Gregorius's NPI number?
Dr. Gregorius's National Provider Identifier is 1013950450. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Where did Dr. Gregorius go to medical school?
Dr. Gregorius attended Loma Linda University School of Medicine, graduating in 2000. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Gregorius been practising?
Dr. Gregorius has 26 years experience. Calculated from a graduation year of 2000, reported in the CMS National Downloadable File.
CMS public data
What does Dr. Gregorius do most often?
According to Medicare billing data, Dr. Gregorius performs procedures including aspiration and/or injection of fluid large joint using ultrasound guidance; reads or performs imaging such as x-ray of shoulder, minimum of 2 views and x-ray of knee, 4 or more views, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Dr. Gregorius confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Gregorius. If this is you, claiming it is free.
Guide.md
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (949) 759-3600
- Email not available
Practice Locations
360 SAN MIGUEL DR STE 701
Newport Beach, CA 92660
Procedures Most Often Billed to Medicare
1,891 services · 598 patients · 9 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Aspiration and/or injection of fluid large joint using ultrasound guidance | Procedure | 20611 |
144 |
| X-ray of shoulder, minimum of 2 views | Imaging | 73030 |
108 |
| X-ray of knee, 4 or more views | Imaging | 73564 |
47 |
| X-ray of both hips, 3-4 views | Imaging | 73522 |
11 |
| X-ray of hip, 2-3 views | Imaging | 73502 |
11 |
| Injection, triamcinolone acetonide, not otherwise specified, 10 mg | Drug given | J3301 |
1,200 |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
142 |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
124 |
| New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more | Office visit | 99204 |
104 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other orthopedic surgeons at this location 2
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 4
Clinically related specialties at the same address — the people this provider most likely works alongside.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
More connections — 31 related providers in 4 groups
Other orthopedic surgeons in Newport Beach 8
Same specialty, same city.
Trained at Loma Linda University School of Medicine 8
Other providers in the same specialty who trained at the same institution.
Class of 2000 at Loma Linda University School of Medicine 7
Providers who graduated from the same medical school in the same year.
Also performs Aspiration and/or injection of fluid large joint using ultrasound guidance 8
Providers in CA who bill this service to Medicare most often.
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.