Physician Profile
Catherine Chang, M.D.
Unclaimed ProfileAbout Dr. Chang
Catherine Chang, M.D. is a specialist practicing in Newport Beach, CA. Catherine trained at University of California, Geffen School of Medicine, graduating in 1988. According to Medicare claims data, Catherine cared for 1,447 Medicare patients across 1,949 services. The services billed most often include established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more, established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more, and visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient'.
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
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.
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
- (949) 717-6755
- Email not available
Practice Locations
1401 AVOCADO AVE STE 710
Newport Beach, CA 92660
Procedures Most Often Billed to Medicare
1,949 services · 1,447 patients · 12 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Influenza vaccine split virus, preservative free | Treatment | 90662 |
151 | More than most peers in Specialist |
| Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report | Treatment | 93000 |
106 | As often as other peers in Specialist |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
431 | More often than most peers in Specialist |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
334 | More often than most peers in Specialist |
| Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient' | Billing code | G2211 |
222 | As often as other peers in Specialist |
| Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more | Office visit | 99215 |
214 | More often than most peers in Specialist |
| Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | Billing code | G0439 |
199 | More often than most peers in Specialist |
| Administration of influenza virus vaccine | Billing code | G0008 |
153 | More than most peers in Specialist |
| Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more | Office visit | 99212 |
52 | As often as other peers in Specialist |
| Urinalysis, manual test | Lab test | 81002 |
46 | As often as other peers in Specialist |
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 specialists at this location 1
Same specialty, same street address — most likely the same department or group.
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 specialists in Newport Beach 7
Same specialty, same city.
More connections — 23 related providers in 3 groups
Trained at University of California, Geffen School of Medicine 8
Other providers in the same specialty who trained at the same institution.
Class of 1988 at University of California, Geffen School of Medicine 7
Providers who graduated from the same medical school in the same year.
Also performs Influenza vaccine split virus, preservative free 8
Providers in CA who bill this service to Medicare most often.
Common questions
What is Catherine Chang's specialty?
Catherine Chang is a specialist in Newport Beach, CA. That is the designation recorded for this NPI in the federal registry.
NPI registry
Where can I find Catherine Chang?
Catherine Chang is listed at 1401 Avocado Ave Ste 710, Newport Beach, CA 92660. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Catherine Chang?
The number on file is (949) 717-6755. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Catherine Chang's NPI number?
Catherine Chang's National Provider Identifier is 1295766426. 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
What is Catherine Chang's education?
Catherine Chang attended University of California, Geffen School of Medicine, graduating in 1988. This comes from the CMS National Downloadable File.
CMS public data
How long has Catherine Chang been practicing?
Catherine Chang has 38 years experience. Calculated from a graduation year of 1988, reported in the CMS National Downloadable File.
CMS public data
What is Catherine Chang known for?
According to Medicare billing data, Catherine Chang provides treatments such as influenza vaccine split virus, preservative free and routine electrocardiogram using at least 12 leads with interpretation and report, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Catherine Chang confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Catherine 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.