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- 740 High St Ste 2001, Williamsport, PA 17701
About Dr. Chang
Based in Williamsport, PA, Benjamin B. Chang, MD is listed in the NPI registry under vascular surgery. Benjamin graduated from Albany Medical College of Union University in 1982. Benjamin is also listed as specializing in vascular & interventional radiology and thoracic surgery (cardiothoracic). Medicare claims data shows Benjamin provided 584 services to 517 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, complete ultrasound study of arm and leg arteries, and ultrasound of both sides of head and neck blood flow. NPI 1023008117 identifies this record in the national registry.
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
- (703) 212-8055
- Email not available
Practice Locations
740 HIGH ST STE 2001
Williamsport, PA 17701
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
- Groin Artery Bulge
- Knee Artery Aneurysm
- Visceral Artery Aneurysm
Aortic disease
Artery conditions
- Buerger's Disease
- Pelvic Artery Blockage
Artery disease
- Cold Sensitive Fingers and Toes
- Fibromuscular Dysplasia
- Mesenteric ischemia
- Narrow kidney artery
- Subclavian Steal Syndrome
Artery inflammation
Blood clots
- Blood Clot in Arm or Leg
- Blood Clot in Lung
- Long-Term Leg Swelling After Clot
Congenital vascular disorders
Dialysis
Digestive & abdominal
Emergencies
Foot & toe conditions
- Blue Toe Syndrome
Leg & foot pain
Nerve & vessel compression
- Nutcracker Syndrome
- Popliteal Artery Entrapment
- Thoracic outlet syndrome
Skin & vein conditions
- Leg Skin Discoloration From Veins
Vascular malformations
- Klippel-Trenaunay Syndrome
Vascular tumors
- Carotid Body Tumor
Vein conditions
Vein disease
Wounds & sores
- Arterial Leg Ulcer
Wounds & ulcers
- Diabetic foot ulcer
- Gangrene
- Venous Leg 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
- Pelvic Vein Embolization
- Ambulatory Phlebectomy
- Iliac Vein Stenting
- Varicose vein removal
Veins & circulation
Wounds & skin
- Leg wrap compression therapy
Most searched procedures
- Bypass surgery
- Carotid endarterectomy
- Sclerotherapy
- Spider vein removal
- Varicose vein treatment
- Vein ablation
Amputation surgery
- Below-Knee Leg Amputation
Artery surgery
- Groin Artery Plaque Removal
Blood clot treatments
- Pulmonary Embolism Clot Removal
Diagnostic procedures
- Temporal Artery Biopsy
Diagnostic tests
- Abdominal Aortic Aneurysm Ultrasound Screening
- Vein Mapping Ultrasound
Dialysis access
- Dialysis Fistula Surgery
- Dialysis Graft Placement
- Fistula Repair and Declotting
Emergency surgery
- Fasciotomy for Leg Swelling
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
- Vascular Malformation Embolization
Vein treatments
- Medical Compression Stocking Fitting
- Microfoam Vein Injection
- Vein Glue Closure
Wound care
- Surgical Wound Care
- Toe or Partial Foot Amputation
Procedures Most Often Billed to Medicare
584 services · 517 patients · 12 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Removal of blood clot and portion of chest, neck, or brain artery | Procedure | 35301 |
21 | More often than most peers in Vascular Surgery |
| Complete ultrasound study of arm and leg arteries | Treatment | 93923 |
113 | More often than most peers in Vascular Surgery |
| Ultrasound of both sides of head and neck blood flow | Treatment | 93880 |
81 | As often as other peers in Vascular Surgery |
| Ultrasound study of one arm or leg veins with compression and maneuvers | Treatment | 93971 |
46 | As often as other peers in Vascular Surgery |
| Ultrasound of one leg arteries or artery grafts | Treatment | 93926 |
36 | As often as other peers in Vascular Surgery |
| Complete ultrasound of aorta, vena cava, groin vessels or bypass grafts | Treatment | 93978 |
18 | Less often than most peers in Vascular Surgery |
| Ultrasound of hemodialysis access | Treatment | 93990 |
15 | Less often than most peers in Vascular Surgery |
| Ultrasound of aorta, vena cava, groin vessels or bypass grafts | Treatment | 93979 |
14 | Less often than most peers in Vascular Surgery |
| Complete ultrasound of abdomen and pelvis artery and vein blood flow | Treatment | 93975 |
13 | Less often than most peers in Vascular Surgery |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
146 | More 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.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Related specialists at this location 6
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.
Other vascular surgeons in Williamsport 6
Same specialty, same city.
More connections — 24 related providers in 3 groups
Trained at Albany Medical College of Union University 8
Other providers in the same specialty who trained at the same institution.
Class of 1982 at Albany Medical College of Union University 8
Providers who graduated from the same medical school in the same year.
Also performs Removal of blood clot and portion of chest, neck, or brain artery 8
Providers in PA who bill this service to Medicare most often.
Common questions
What kind of doctor is Dr. Chang?
Dr. Chang is a vascular surgeon in Williamsport, PA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Vascular Surgery”.
NPI registry
What is Dr. Chang's address?
Dr. Chang is listed at 740 High St Ste 2001, Williamsport, PA 17701. 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. Chang?
The number on file is (703) 212-8055. Contact the office directly to confirm availability and scheduling.
NPI registry
What is the NPI for Dr. Chang?
Dr. Chang's National Provider Identifier is 1023008117. 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. Chang train?
Dr. Chang attended Albany Medical College of Union University, graduating in 1982. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Dr. Chang have?
Dr. Chang has 44 years experience. Calculated from a graduation year of 1982, reported in the CMS National Downloadable File.
CMS public data
What procedures does Dr. Chang perform?
According to Medicare billing data, Dr. Chang performs procedures including removal of blood clot and portion of chest, neck, or brain artery; provides treatments such as complete ultrasound study of arm and leg arteries and ultrasound of both sides of head and neck blood flow, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Dr. Chang's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Chang. If this is you, claiming it is free.
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