Physician Profile
Unclaimed ProfileAbout CHEN
Based in Oakland, CA, Jenna Chen is listed in the NPI registry under internal medicine. Jenna graduated from Touro Un College of Osteopathic Medicine, Vallejo in 2020. Jenna is also listed as specializing in student in an organized health care education program. Medicare claims data shows Jenna provided 174 services to 112 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
- (510) 437-5039
- Email not available
Practice Locations
1411 E 31ST ST FL A2
Oakland, CA 94602
Procedures Most Often Billed to Medicare
174 services · 112 patients · 5 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | Office visit | 99232 |
92 |
| Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | Office visit | 99233 |
38 |
| Hospital discharge day management, 30 minutes or less | Office visit | 99238 |
18 |
| Emergency department visit with high level of medical decision making | Office visit | 99285 |
15 |
| Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | Office visit | 99222 |
11 |
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 internal medicines at this location 2
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 4
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 — 22 related providers in 3 groups
Other internal medicines in Oakland 8
Same specialty, same city.
Trained at Touro Un College of Osteopathic Medicine, Vallejo 8
Other providers in the same specialty who trained at the same institution.
Class of 2020 at Touro Un College of Osteopathic Medicine, Vallejo 6
Providers who graduated from the same medical school in the same year.
Common questions
What does Dr. Chen specialize in?
Dr. Chen is an internal medicine in Oakland, CA. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “INTERNAL MEDICINE”.
NPI registry
Where is Dr. Chen located?
Dr. Chen is listed at 1411 E 31ST ST FL A2, Oakland, CA 94602. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Dr. Chen's phone number?
The number on file is (510) 437-5039. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is the NPI for Dr. Chen?
Dr. Chen's National Provider Identifier is 1689294001. 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. Chen go to medical school?
Dr. Chen attended Touro Un College of Osteopathic Medicine, Vallejo, graduating in 2020. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Dr. Chen have?
Dr. Chen has 6 years experience. Calculated from a graduation year of 2020, reported in the CMS National Downloadable File.
CMS public data
What does Dr. Chen do most often?
According to Medicare billing data, Dr. Chen 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. Chen's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Chen. 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.