Provider Profile
Erica Chang, NP
Unclaimed ProfileAbout Erica Chang
Listed in the NPI registry as a nurse practitioner, Erica Chang, NP practices in Oakland, CA. Erica is also listed as specializing in nurse practitioner — primary care and nurse practitioner — adult health. According to Medicare claims data, Erica cared for 308 Medicare patients across 376 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, aspiration and/or injection of fluid from large joint, and new patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more. NPI 1073037610 identifies this record in the national registry.
Factual summary compiled by Guide.md from public records; not written by this provider.
Education & Training
Specialty
Credentials & Licensing
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
- (510) 655-4000
- Email not available
Practice Locations
350 HAWTHORNE AVE
Oakland, CA 94609
Procedures Most Often Billed to Medicare
376 services · 308 patients · 4 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Aspiration and/or injection of fluid from large joint | Procedure | 20610 |
131 | More often than most peers in Nurse Practitioner |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
158 | More often than most peers in Nurse Practitioner |
| New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more | Office visit | 99204 |
68 | More often than most peers in Nurse Practitioner |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
19 | Less often than most peers in Nurse Practitioner |
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 3
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 nurse practitioners in Oakland 8
Same specialty, same city.
More connections — 24 related providers in 3 groups
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
Class of 2017 at Other 8
Providers who graduated from the same medical school in the same year.
Also performs Aspiration and/or injection of fluid from large joint 8
Providers in CA who bill this service to Medicare most often.
Common questions
What does Erica Chang specialize in?
Erica Chang is a nurse practitioner in Oakland, CA. That is the designation recorded for this NPI in the federal registry.
NPI registry
Where is Erica Chang located?
Erica Chang is listed at 350 Hawthorne Ave, Oakland, CA 94609. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Erica Chang's phone number?
The number on file is (510) 655-4000. Contact the office directly to confirm availability and scheduling.
NPI registry
What is Erica Chang's NPI number?
Erica Chang's National Provider Identifier is 1073037610. 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 Erica Chang train?
Erica Chang attended Other, graduating in 2017. This comes from the CMS National Downloadable File.
CMS public data
How long has Erica Chang been practicing?
Erica Chang has 9 years experience. Calculated from a graduation year of 2017, reported in the CMS National Downloadable File.
CMS public data
What does Erica Chang do most often?
According to Medicare billing data, Erica Chang performs procedures including aspiration and/or injection of fluid from large joint, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Erica Chang confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Erica Chang. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.