Physician Profile
Joyce Chang, M.D.
Unclaimed ProfileAbout Dr. Chang
Joyce Chang, M.D. practices anesthesiology in San Francisco, CA. According to Medicare claims data, Joyce cared for 64 Medicare patients across 97 services.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Education & Training
Specialty
Credentials & Licensing
Source: NPPES NPI Registry
Contact Information
- (650) 218-6593
- Email not available
Practice Locations
513 PARNASSUS AVE # S436
San Francisco, CA 94143
Procedures Most Often Billed to Medicare
97 services · 64 patients · 3 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Insertion of artery tube for blood sampling or infusion through skin | Procedure | 36620 |
29 |
| Critical care, first 30-74 minutes | Office visit | 99291 |
35 |
| Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | Office visit | 99232 |
33 |
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 anesthesiology specialists at this location 4
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 2
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 — 32 related providers in 4 groups
Other anesthesiology specialists in San Francisco 8
Same specialty, same city.
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
Class of 2011 at Other 8
Providers who graduated from the same medical school in the same year.
Also performs Insertion of artery tube for blood sampling or infusion through skin 8
Providers in CA who bill this service to Medicare most often.
Common questions
What does Dr. Chang specialize in?
Dr. Chang is an anesthesiology in San Francisco, CA. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “ANESTHESIOLOGY”.
NPI registry
Where is Dr. Chang located?
Dr. Chang is listed at 513 PARNASSUS AVE # S436, San Francisco, CA 94143. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Dr. Chang's phone number?
The number on file is (650) 218-6593. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Dr. Chang's NPI number?
Dr. Chang's National Provider Identifier is 1144507120. 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 go to medical school?
Dr. Chang attended Other, graduating in 2011. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Chang been practicing?
Dr. Chang has 15 years experience. Calculated from a graduation year of 2011, reported in the CMS National Downloadable File.
CMS public data
What does Dr. Chang do most often?
According to Medicare billing data, Dr. Chang performs procedures including insertion of artery tube for blood sampling or infusion through skin, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Dr. Chang confirmed this information?
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.