Physician Profile
James J. Zimmerman, M.D. practices vascular surgery in Redwood City, CA. James is a 1975 graduate of Loyola University of Chicago, Stritch School of Medicine. James is also listed as specializing in diagnostic radiology, vascular & interventional radiology, and orthopaedic surgery. Medicare claims data shows James provided 1,561 services to 1,261 patients. The services billed most often include established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more, established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more, and ultrasound study of arm and leg arteries.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it — free, and no identity document with a practice or institutional email.
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.
2900 WHIPPLE AVE SUITE 225
Redwood City, CA 94062
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
1,561 services · 1,261 patients · 25 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 |
18 | Less often than most peers in Vascular Surgery |
| Ultrasound evaluation of blood vessel with review by radiologist, initial vessel | Procedure | 37252 |
16 | Less often than most peers in Vascular Surgery |
| Removal of plaque in artery of leg, initial vessel | Procedure | 37229 |
15 | Less often than most peers in Vascular Surgery |
| Removal of blood clot and portion of chest, neck, or brain artery | Procedure | 35301 |
15 | As often as other peers in Vascular Surgery |
| Ultrasonic guidance for blood vessel access | Imaging | 76937 |
68 | More often than most peers in Vascular Surgery |
| Review by radiologist of arm or leg artery image | Imaging | 75710 |
43 | More often than most peers in Vascular Surgery |
| Review by radiologist of additional artery image | Imaging | 75774 |
34 | More often than most peers in Vascular Surgery |
| Review by radiologist of abdominal aorta image | Imaging | 75625 |
34 | More often than most peers in Vascular Surgery |
| Review by radiologist of both arms or legs arteries image | Imaging | 75716 |
16 | Less often than most peers in Vascular Surgery |
| Review by radiologist of abdominal aorta and both leg arteries image | Imaging | 75630 |
15 | Less often than most peers in Vascular Surgery |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
James J. Zimmerman is a vascular surgeon in Redwood City, CA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Vascular Surgery”.
NPI registry
James J. Zimmerman is listed at 2900 Whipple Ave Suite 225, Redwood City, CA 94062. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (650) 366-0225. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
James J. Zimmerman's National Provider Identifier is 1093729121. 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
James J. Zimmerman attended Loyola University of Chicago, Stritch School of Medicine, graduating in 1975. This comes from the CMS National Downloadable File.
CMS public data
James J. Zimmerman has 51 years experience. Calculated from a graduation year of 1975, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, James J. Zimmerman performs procedures including insertion of needle and/or tube into hemodialysis circuit and balloon dilation of dialysis segment with review by radiologist, ultrasound evaluation of blood vessel with review by radiologist, initial vessel and removal of plaque in artery of leg, initial vessel; 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 study of arm and leg arteries and ultrasound of one leg arteries or artery grafts, 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 James J. Zimmerman. 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.