Are you Dr. Obi? This profile is yours to edit: update your address, phone, photo and services.
Edit this profileAt a glance
- 1500 East Medical Center, Ann Arbor, MI 48109
About Dr. Obi
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. The provider's National Provider Identifier (NPI) is 1851554570.
Factual summary compiled by Guide.md from public records; not written by this provider.
Education & Training
Specialty
Credentials & Licensing
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
- (734) 936-4000
- Email not available
Practice Locations
1500 EAST MEDICAL CENTER
Ann Arbor, MI 48109
Conditions Commonly Evaluated or Treated
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.
Conditions
Most searched conditions
Aneurysms
Aortic disease
Artery conditions
Artery disease
- Cold Sensitive Fingers and Toes
- Fibromuscular Dysplasia
- Mesenteric ischemia
- Narrow kidney artery
- Subclavian Steal Syndrome
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
Procedures & services
Aneurysm repair
- Minimally Invasive Aneurysm Repair
- Complex Branched Aortic Aneurysm Repair
- Open Aortic Aneurysm Surgery
- Popliteal Aneurysm Repair
- Pseudoaneurysm Injection Repair
- Thoracic Endovascular Aortic Repair
- Visceral Aneurysm Coiling
Artery procedures
- Balloon Angioplasty for Legs
- Carotid Artery Stent
- Atherectomy
- Leg Artery Stent
- Limb Salvage Surgery
- Mesenteric Artery Stenting
- Renal artery stenting
- Transcarotid Artery Revascularization
Blood clots
- Blood Clot Removal Surgery
- IVC Filter Placement
- IVC Filter Removal
- Catheter Clot Dissolving Treatment
Circulation & limbs
Cosmetic dermatology
Kidney
Vascular
Vein procedures
Veins & circulation
Wounds & skin
Most searched procedures
- Bypass surgery
- Carotid endarterectomy
- Sclerotherapy
- Spider vein removal
- Varicose vein treatment
- Vein ablation
Amputation surgery
Artery surgery
Blood clot treatments
Diagnostic procedures
Diagnostic tests
Dialysis access
Emergency surgery
Imaging & diagnostics
- Carotid Ultrasound
- Leg Circulation Test (ABI and Arterial Doppler)
- Leg Vein Ultrasound
- Peripheral Angiogram
Nerve & vessel compression
Nerve surgery
Vascular access
- Chemo port placement
- Chemo port removal
- Dialysis Catheter Removal
- Tunneled Dialysis Catheter Placement
Vascular malformation treatments
Vein treatments
Wound care
Procedures Most Often Billed to Medicare
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.
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 vascular surgeons in Ann Arbor 8
Same specialty, same city.
Trained at Loyola University of Chicago, Stritch School of Medicine 8
Other providers in the same specialty who trained at the same institution.
More connections — 14 related providers in 2 groups
Class of 2008 at Loyola University of Chicago, Stritch School of Medicine 8
Providers who graduated from the same medical school in the same year.
Also performs Ultrasound study of arm or leg veins with compression and maneuvers 6
Providers in MI who bill this service to Medicare most often.
Common questions
What kind of doctor is Dr. Obi?
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
What is Dr. Obi's address?
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
How can I make an appointment with Dr. Obi?
The number on file is (734) 936-4000. Contact the office directly to confirm availability and scheduling.
NPI registry
What is Dr. Obi's NPI number?
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
Where did Dr. Obi train?
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
How long has Dr. Obi been practicing?
Dr. Obi has 18 years experience. Calculated from a graduation year of 2008, reported in the CMS National Downloadable File.
CMS public data
What procedures does Dr. Obi perform?
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
Has Dr. Obi confirmed this information?
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
Guide.md listings do not constitute medical advice or an endorsement.