Physician Profile
William Chang, M.D. is a healthcare provider in Manhasset, NY specializing in anesthesiology. William trained at George Washington University School of Medicine, graduating in 1995. According to Medicare claims data, William cared for 25 Medicare patients across 25 services. The services billed most often include anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope and anesthesia for x-ray or radiation therapy.
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.
35 ROSE HILL DR
Manhasset, NY 11030
Within Anesthesiology generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Anesthesia complications
Back & spine
Chronic pain
Facial & jaw pain
General pain
Head & facial pain
Headaches
Joint pain
Mental health
Muscle pain
Musculoskeletal pain
Nerve pain
Pelvic pain
Post-surgery recovery
Sedation & anesthesia
Spine pain
Ablation
Head & facial procedures
Implants & devices
Infusion therapies
Infusion therapy
Joint injections
Muscle injections
Nerve blocks
Nerve injections
Nerve procedures
Pain relief procedures
Regional anesthesia
Sedation
Sedation & anesthesia
Spine injections
Spine procedures
25 services · 25 patients · 2 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope | Anaesthesia | 00731 |
13 | |
| Anesthesia for x-ray or radiation therapy | Anaesthesia | 01922 |
12 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
William Chang is an anesthesiologist in Manhasset, NY. That is the designation recorded for this NPI in the federal registry, where it is listed as “Anesthesiology”.
NPI registry
William Chang is listed at 35 Rose Hill Dr, Manhasset, NY 11030. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (646) 385-4735. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
William Chang's National Provider Identifier is 1295755940. 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
William Chang attended George Washington University School of Medicine, graduating in 1995. This comes from the CMS National Downloadable File.
CMS public data
William Chang has 31 years experience. Calculated from a graduation year of 1995, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, William Chang provides treatments such as anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope and anesthesia for x-ray or radiation therapy. 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 William Chang. 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.