Physician Profile
Unclaimed ProfileAbout CHANG
Eric Yanbo Chang practices hematology/oncology in New Haven, CT. Eric is a 2017 graduate of University of Rochester School of Medicine and Dentistry. Eric is also listed as specializing in hematology & oncology and student in an organized health care education program. Medicare claims data shows Eric provided 213 services to 183 patients.
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
Areas of Expertise
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (203) 688-4242
- Email not available
Practice Locations
333 CEDAR ST
New Haven, CT 06510
Procedures Most Often Billed to Medicare
213 services · 183 patients · 7 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
69 |
| Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more | Office visit | 99215 |
32 |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
32 |
| New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more | Office visit | 99205 |
28 |
| Telephone medical discussion with physician, 5-10 minutes | Office visit | 99441 |
18 |
| Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | Office visit | 99223 |
17 |
| New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more | Office visit | 99204 |
17 |
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 5
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 hematology/oncology specialists in New Haven 8
Same specialty, same city.
More connections — 16 related providers in 2 groups
Trained at University of Rochester School of Medicine and Dentistry 8
Other providers in the same specialty who trained at the same institution.
Class of 2017 at University of Rochester School of Medicine and Dentistry 8
Providers who graduated from the same medical school in the same year.
Common questions
What kind of doctor is Dr. Chang?
Dr. Chang is a hematology/oncology in New Haven, CT. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “HEMATOLOGY/ONCOLOGY”.
NPI registry
What is Dr. Chang's address?
Dr. Chang is listed at 333 CEDAR ST, New Haven, CT 06510. 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 (203) 688-4242. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is the NPI for Dr. Chang?
Dr. Chang's National Provider Identifier is 1346777315. 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 University of Rochester School of Medicine and Dentistry, graduating in 2017. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Dr. Chang have?
Dr. Chang has 9 years experience. Calculated from a graduation year of 2017, reported in the CMS National Downloadable File.
CMS public data
What procedures does Dr. Chang perform?
According to Medicare billing data, Dr. Chang the Medicare record under this individual NPI shows mainly office visits and diagnostic testing. Hospital-based physicians usually have their procedural work billed by the facility rather than under their own number, so this is a floor on their practice, not a description of it. 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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Claim this profileProvider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.