Physician Profile
Gonzalo P. Obnial, M.D.
Unclaimed ProfileWhere to find Gonzalo P. Obnial, M.D.
- Walnut Creek location main office
2637 Shadelands Dr, Walnut Creek, CA 94598 - Practice location
350 30th St Ste 210, Oakland, CA 94609
About Dr. Obnial
Gonzalo P. Obnial, M.D. practices vascular surgery in Walnut Creek, CA. Gonzalo is also listed as specializing in surgery. Medicare claims data shows Gonzalo provided 2,374 services to 1,828 patients. The services billed most often include established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more, established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more, and ultrasound of leg arteries or artery grafts. The provider's National Provider Identifier (NPI) is 1497909931.
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
- (925) 932-6330
- Email not available
Practice Locations
2637 SHADELANDS DR
Walnut Creek, CA 94598
350 30th St Ste 210
Oakland, CA 94609
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
Most searched procedures
- Bypass surgery
- Carotid endarterectomy
- Sclerotherapy
- Spider vein removal
- Varicose vein treatment
- Vein ablation
Amputation surgery
Aneurysm repair
- Complex Branched Aortic Aneurysm Repair
- Minimally Invasive Aneurysm Repair
- Open Aortic Aneurysm Surgery
- Popliteal Aneurysm Repair
- Pseudoaneurysm Injection Repair
- Thoracic Endovascular Aortic Repair
- Visceral Aneurysm Coiling
Artery procedures
- Atherectomy
- Balloon Angioplasty for Legs
- Carotid Artery Stent
- Leg Artery Stent
- Limb Salvage Surgery
- Mesenteric Artery Stenting
- Renal artery stenting
- Transcarotid Artery Revascularization
Artery surgery
Blood clot treatments
Blood clots
- Blood Clot Removal Surgery
- Catheter Clot Dissolving Treatment
- IVC Filter Placement
- IVC Filter Removal
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 procedures
Vein treatments
Wound care
Procedures Most Often Billed to Medicare
2,374 services · 1,828 patients · 20 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Insertion of needle and/or tube into hemodialysis circuit and balloon dilation of dialysis segment with review by radiologist | Procedure | 36902 |
57 | More often than most peers in Vascular Surgery |
| Destruction of first incompetent vein of arm or leg using radiofrequency and imaging guidance | Procedure | 36475 |
35 | As often as other peers in Vascular Surgery |
| Removal of plaque in arteries of leg | Procedure | 37225 |
33 | More often than most peers in Vascular Surgery |
| Removal of plaque in artery of leg, initial vessel | Procedure | 37229 |
21 | Less often than most peers in Vascular Surgery |
| Removal of plaque and insertion of stents in arteries of leg | Procedure | 37227 |
18 | Less often than most peers in Vascular Surgery |
| Balloon dilation of dialysis segment with review by radiologist | Procedure | 36907 |
18 | Less often than most peers in Vascular Surgery |
| Ultrasonic guidance for blood vessel access | Imaging | 76937 |
145 | More than most peers in Vascular Surgery |
| Review by radiologist of arm or leg artery image | Imaging | 75710 |
71 | More than most peers in Vascular Surgery |
| Review by radiologist of abdominal aorta image | Imaging | 75625 |
25 | As often as other peers in Vascular Surgery |
| Ultrasound of leg arteries or artery grafts | Treatment | 93925 |
311 | More than most 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.
Other vascular surgeons at this location 1
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 3
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 — 30 related providers in 4 groups
Other vascular surgeons in Walnut Creek 7
Same specialty, same city.
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
Class of 2000 at Other 8
Providers who graduated from the same medical school in the same year.
Also performs Insertion of needle and/or tube into hemodialysis circuit and balloon dilation of dialysis segment with review by radiologist 7
Providers in CA who bill this service to Medicare most often.
Common questions
What does Gonzalo P. Obnial specialize in?
Gonzalo P. Obnial is a vascular surgeon in Walnut Creek, CA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Vascular Surgery”.
NPI registry
Where is Gonzalo P. Obnial located?
Gonzalo P. Obnial is listed at 2637 Shadelands Dr, Walnut Creek, CA 94598. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Gonzalo P. Obnial's phone number?
The number on file is (925) 932-6330. Contact the office directly to confirm availability and scheduling.
NPI registry
What is the NPI for Gonzalo P. Obnial?
Gonzalo P. Obnial's National Provider Identifier is 1497909931. 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 Gonzalo P. Obnial train?
Gonzalo P. Obnial attended Other, graduating in 2000. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Gonzalo P. Obnial have?
Gonzalo P. Obnial has 26 years experience. Calculated from a graduation year of 2000, reported in the CMS National Downloadable File.
CMS public data
What does Gonzalo P. Obnial do most often?
According to Medicare billing data, Gonzalo P. Obnial performs procedures including insertion of needle and/or tube into hemodialysis circuit and balloon dilation of dialysis segment with review by radiologist, destruction of first incompetent vein of arm or leg using radiofrequency and imaging guidance and removal of plaque in arteries of leg; reads or performs imaging such as ultrasonic guidance for blood vessel access and review by radiologist of arm or leg artery image; provides treatments such as ultrasound of leg arteries or artery grafts and ultrasound study of arm and leg arteries, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Gonzalo P. Obnial's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Gonzalo P. Obnial. If this is you, claiming it is free.
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