Physician Profile
Based in Modesto, CA, Chai J. Chang, MD is listed in the NPI registry under anesthesiology. According to Medicare claims data, Chai cared for 222 Medicare patients across 227 services. The services billed most often include anesthesia for exam of colon using an endoscope, anesthesia for procedure on nerves, muscles, tendons, and tissue of forearm, wrist, and hand, and injection of anesthetic agent and/or steroid into thigh nerve (femoral nerve).
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.
600 COFFEE RD
Modesto, CA 95355
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
227 services · 222 patients · 9 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Injection of anesthetic agent and/or steroid into thigh nerve (femoral nerve) | Procedure | 64447 |
25 | More often than most peers in Anesthesiology |
| Anesthesia for exam of colon using an endoscope | Anaesthesia | 00812 |
61 | More than most peers in Anesthesiology |
| Anesthesia for procedure on nerves, muscles, tendons, and tissue of forearm, wrist, and hand | Anaesthesia | 01810 |
44 | More often than most peers in Anesthesiology |
| Anesthesia for procedure for total knee joint replacement | Anaesthesia | 01402 |
25 | More often than most peers in Anesthesiology |
| Anesthesia for procedure on small and large bowel using an endoscope | Anaesthesia | 00813 |
21 | As often as other peers in Anesthesiology |
| Anesthesia for other procedure on top of arm bone and shoulder joint | Anaesthesia | 01630 |
14 | As often as other peers in Anesthesiology |
| Anesthesia for other procedure on lower leg, ankle, and foot bones | Anaesthesia | 01480 |
13 | As often as other peers in Anesthesiology |
| Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope | Anaesthesia | 00731 |
13 | Less often than most peers in Anesthesiology |
| Anesthesia for other procedure on large bowel using an endoscope | Anaesthesia | 00811 |
11 | Less often than most peers in Anesthesiology |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Dr. Chang is an anesthesiologist in Modesto, CA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Anesthesiology”.
NPI registry
Dr. Chang is listed at 600 Coffee Rd, Modesto, CA 95355. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (209) 524-1211. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
Dr. Chang's National Provider Identifier is 1568428738. 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
Dr. Chang has 20+ years experience. Registered with an NPI since 2006. National Provider Identifiers only began in 2005, so a provider who qualified earlier may have practiced for longer than this.
NPI registry
According to Medicare billing data, Dr. Chang performs procedures including injection of anesthetic agent and/or steroid into thigh nerve; provides treatments such as anesthesia for exam of colon using an endoscope and anesthesia for procedure on nerves, muscles, tendons, and tissue of forearm, wrist, and hand. 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 Dr. 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.