Physician Profile
Andrea T. Obi, MD practices vascular surgery in Ann Arbor, MI. Andrea is a 2008 graduate of Loyola University of Chicago, Stritch School of Medicine. According to Medicare claims data, Andrea cared for 919 Medicare patients across 971 services. The services billed most often include ultrasound study of arm or leg veins with compression and maneuvers, ultrasound study of one arm or leg veins with compression and maneuvers, and ultrasound of both sides of head and neck blood flow.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
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.
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
1500 EAST MEDICAL CENTER
Ann Arbor, MI 48109
Within Vascular Surgery generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Most searched conditions
Aneurysms
Aortic disease
Artery conditions
Artery disease
Artery inflammation
Blood clots
Congenital vascular disorders
Dialysis
Digestive & abdominal
Emergencies
Foot & toe conditions
Leg & foot pain
Nerve & vessel compression
Skin & vein conditions
Vascular malformations
Vascular tumors
Vein conditions
Vein disease
Wounds & sores
Wounds & ulcers
Most searched procedures
Amputation surgery
Aneurysm repair
Artery procedures
Artery surgery
Blood clot treatments
Blood clots
Diagnostic procedures
Diagnostic tests
Dialysis access
Emergency surgery
Imaging & diagnostics
Nerve & vessel compression
Nerve surgery
Vascular access
Vascular malformation treatments
Vein procedures
Vein treatments
Wound care
971 services · 919 patients · 13 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Ultrasound study of arm or leg veins with compression and maneuvers | Treatment | 93970 |
414 | More than most peers in Vascular Surgery |
| Ultrasound study of one arm or leg veins with compression and maneuvers | Treatment | 93971 |
130 | More often than most peers in Vascular Surgery |
| Ultrasound of both sides of head and neck blood flow | Treatment | 93880 |
119 | More often than most peers in Vascular Surgery |
| Complete ultrasound study of arm and leg arteries | Treatment | 93923 |
97 | More often than most peers in Vascular Surgery |
| Ultrasound study of arm and leg arteries | Treatment | 93922 |
51 | As often as other peers in Vascular Surgery |
| Ultrasound study of arm or leg veins with compression and maneuvers | Treatment | 93970 |
26 | More than most peers in Vascular Surgery |
| Ultrasound of hemodialysis access | Treatment | 93990 |
23 | As often as other peers in Vascular Surgery |
| Ultrasound of one leg arteries or artery grafts | Treatment | 93926 |
22 | Less often than most peers in Vascular Surgery |
| Ultrasound of leg arteries or artery grafts | Treatment | 93925 |
21 | Less often than most peers in Vascular Surgery |
| Ultrasound of arm arteries or artery grafts | Treatment | 93930 |
17 | As often as other peers in Vascular Surgery |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Dr. Obi is a vascular surgeon in Ann Arbor, MI. That is the designation recorded for this NPI in the federal registry, where it is listed as “Vascular Surgery”.
NPI registry
Dr. Obi is listed at 1500 East Medical Center, Ann Arbor, MI 48109. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (734) 936-4000. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
Dr. Obi's National Provider Identifier is 1851554570. 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
Dr. Obi attended Loyola University of Chicago, Stritch School of Medicine, graduating in 2008. This comes from the CMS National Downloadable File.
CMS public data
Dr. Obi has 18 years experience. Calculated from a graduation year of 2008, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, Dr. Obi provides treatments such as ultrasound study of arm or leg veins with compression and maneuvers and ultrasound study of one arm or leg veins with compression and maneuvers, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Obi. 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.