Physician Profile
Areg Grigorian, MD
Unclaimed ProfileAbout Dr. Grigorian
Based in Orange, CA, Areg Grigorian, MD is listed in the NPI registry under surgical critical care. Areg graduated from University of California, San Diego School of Medicine in 2014. According to Medicare claims data, Areg cared for 368 Medicare patients across 453 services. The services billed most often include subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes, critical care, first 30-74 minutes, and initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes.
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
Specialty
Credentials & Licensing
License numbers are what the provider reported to NPPES when the NPI was issued or updated. NPPES does not verify licensure; confirm current standing with the state licensing board.
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (714) 880-7812
- Email not available
Practice Locations
101 THE CITY DR S
Orange, CA 92868
1500 San Pablo St Fl 7
Los Angeles, CA 90033
Procedures Most Often Billed to Medicare
453 services · 368 patients · 11 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Removal of growth of sperm cord | Procedure | 55520 |
15 | Too few peers to compare |
| Limited ultrasound scan behind abdominal cavity | Imaging | 76775 |
21 | Too few peers to compare |
| Limited ultrasound scan of abdomen | Imaging | 76705 |
21 | As often as other peers in Surgical Critical Care |
| Ultrasound scan of chest | Imaging | 76604 |
21 | Too few peers to compare |
| Ultrasound of heart, follow-up | Treatment | 93308 |
20 | As often as other peers in Surgical Critical Care |
| Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | Office visit | 99233 |
138 | More than most peers in Surgical Critical Care |
| Critical care, first 30-74 minutes | Office visit | 99291 |
88 | More often than most peers in Surgical Critical Care |
| Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | Office visit | 99223 |
55 | More often than most peers in Surgical Critical Care |
| New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more | Office visit | 99204 |
46 | More than most peers in Surgical Critical Care |
| New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more | Office visit | 99205 |
15 | Too few peers to compare |
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.
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.
Other surgical critical cares in Orange 2
Same specialty, same city.
Trained at University of California, San Diego School of Medicine 3
Other providers in the same specialty who trained at the same institution.
More connections — 16 related providers in 2 groups
Class of 2014 at University of California, San Diego School of Medicine 8
Providers who graduated from the same medical school in the same year.
Also performs Removal of growth of sperm cord 8
Providers in CA who bill this service to Medicare most often.
Common questions
What does Dr. Grigorian specialize in?
Dr. Grigorian is a surgical critical care in Orange, CA. That is the designation recorded for this NPI in the federal registry.
NPI registry
Where is Dr. Grigorian located?
Dr. Grigorian is listed at 101 the City Dr S, Orange, CA 92868. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Dr. Grigorian's phone number?
The number on file is (714) 880-7812. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Dr. Grigorian's NPI number?
Dr. Grigorian's National Provider Identifier is 1538579578. 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. Grigorian go to medical school?
Dr. Grigorian attended University of California, San Diego School of Medicine, graduating in 2014. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Grigorian been practicing?
Dr. Grigorian has 12 years experience. Calculated from a graduation year of 2014, reported in the CMS National Downloadable File.
CMS public data
What does Dr. Grigorian do most often?
According to Medicare billing data, Dr. Grigorian performs procedures including removal of growth of sperm cord; reads or performs imaging such as limited ultrasound scan behind abdominal cavity and limited ultrasound scan of abdomen; provides treatments such as ultrasound of heart, follow-up, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Dr. Grigorian confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Grigorian. If this is you, claiming it is free.
Guide.md
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.