Physician Profile
Joann C. Dominguez, MD
Unclaimed ProfileAbout Dr. Dominguez
Based in Oakland, CA, Joann C. Dominguez, MD is listed in the NPI registry under internal medicine. Joann graduated from University of Nevada School of Medicine in 2009. Joann is also listed as specializing in pharmacist. Medicare claims data shows Joann provided 255 services to 246 patients. The services billed most often include initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes.
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
- (510) 869-6883
- Email not available
Practice Locations
350 HAWTHORNE AVE ROOM 2346
Oakland, CA 94609
Conditions Commonly Evaluated or Treated
Within Internal Medicine generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Conditions
Most searched conditions
Cardiometabolic
Digestive and liver
Endocrine, blood, and bone
Infectious disease
Kidney and urinary
Respiratory
Blood & Circulation
Blood disorders
Brain & Nerves
Brain and nerves
Cardiac and vascular
Digestive
Heart & Circulation
Infections
Kidney & Bladder
Lungs & Breathing
Mental Health
Neurologic and behavioral
Pain
Rheumatologic and pain
Procedures & services
Most searched procedures
Preventive and evaluation
Screening and diagnostic testing
Bones & Joints
Brain and nerves
Cancer screening
Digestive
Exams & Consultations
Heart & Circulation
Heart health
Imaging referral
Immunizations
Lab tests
Lungs & Breathing
Metabolic & Weight
Minor procedures
Office procedures
Office Procedures
Pain management
Preventive & Routine Care
Screenings & Diagnostics
Sexual health
Procedures Most Often Billed to Medicare
255 services · 246 patients · 1 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | Office visit | 99223 |
255 | More than most peers in INTERNAL MEDICINE |
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 3
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 — 23 related providers in 3 groups
Other internal medicines in Oakland 7
Same specialty, same city.
Trained at University of Nevada School of Medicine 8
Other providers in the same specialty who trained at the same institution.
Class of 2009 at University of Nevada School of Medicine 8
Providers who graduated from the same medical school in the same year.
Common questions
What does Dr. Dominguez specialize in?
Dr. Dominguez is an internal medicine in Oakland, CA. That is the designation recorded for this NPI in the federal registry.
NPI registry
Where is Dr. Dominguez located?
Dr. Dominguez is listed at 350 Hawthorne Ave Room 2346, Oakland, CA 94609. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Dr. Dominguez's phone number?
The number on file is (510) 869-6883. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is the NPI for Dr. Dominguez?
Dr. Dominguez's National Provider Identifier is 1811003809. 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. Dominguez go to medical school?
Dr. Dominguez attended University of Nevada School of Medicine, graduating in 2009. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Dr. Dominguez have?
Dr. Dominguez has 17 years experience. Calculated from a graduation year of 2009, reported in the CMS National Downloadable File.
CMS public data
What does Dr. Dominguez do most often?
According to Medicare billing data, Dr. Dominguez 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. Dominguez's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Dominguez. 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.