Are you Ivan DEDRICK GAVIN Hamilton, M.D.? This profile is yours to edit: update your address, phone, photo and services.
Edit this profileAt a glance
- 2351 Clay St, Suite 308, San Francisco, CA 94115
About Dr. Hamilton
Based in San Francisco, CA, Ivan DEDRICK GAVIN Hamilton, M.D. is listed in the NPI registry under internal medicine. Ivan graduated from Georgetown University School of Medicine in 2002. According to Medicare claims data, Ivan cared for 307 Medicare patients across 320 services. The services billed most often include initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes, critical care, first 30-74 minutes, and advance care planning, first 30 minutes. NPI 1669421202 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
- (415) 600-3458
- Email not available
Practice Locations
2351 CLAY ST SUITE 308
San Francisco, CA 94115
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
- Allergies
- Diabetes
- Flu
- Hypothyroidism
- Strep throat
- UTI
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
- Annual physical
- Blood test
- Flu shot
- Medicare wellness visit
- Sick visit
- TB test
- Well-woman exam
Preventive and evaluation
- Medication management
- Post-hospital transitional care
Screening and diagnostic testing
Bones & Joints
Brain and nerves
Cancer screening
- Colon Cancer Screening Referral
- Mammogram Referral
Digestive
Exams & Consultations
Heart & Circulation
Heart health
- Cardiac Stress Test Referral
Imaging referral
- Abdominal Ultrasound Referral
Immunizations
Lab tests
Lungs & Breathing
- At-Home Sleep Study Order
Metabolic & Weight
- Weight Loss Injections and Medication
Minor procedures
Office procedures
Office Procedures
- Skin Tag and Mole Removal
- Vitamin B12 Injections
- Wart Removal
Pain management
Preventive & Routine Care
Screenings & Diagnostics
Sexual health
Procedures Most Often Billed to Medicare
320 services · 307 patients · 3 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 |
228 | More than most peers in Internal Medicine |
| Critical care, first 30-74 minutes | Office visit | 99291 |
47 | As often as other peers in Internal Medicine |
| Advance care planning, first 30 minutes | Office visit | 99497 |
45 | As often as other 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 internists at this location 8
Same specialty, same street address — most likely the same department or group.
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.
More connections — 24 related providers in 3 groups
Other internists in San Francisco 8
Same specialty, same city.
Trained at Georgetown University School of Medicine 8
Other providers in the same specialty who trained at the same institution.
Class of 2002 at Georgetown University School of Medicine 8
Providers who graduated from the same medical school in the same year.
Common questions
What is Ivan DEDRICK GAVIN Hamilton's specialty?
Ivan DEDRICK GAVIN Hamilton is an internist in San Francisco, CA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Internal Medicine”.
NPI registry
Where can I find Ivan DEDRICK GAVIN Hamilton?
Ivan DEDRICK GAVIN Hamilton is listed at 2351 Clay St Suite 308, San Francisco, CA 94115. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Ivan DEDRICK GAVIN Hamilton?
The number on file is (415) 600-3458. Contact the office directly to confirm availability and scheduling.
NPI registry
What is Ivan DEDRICK GAVIN Hamilton's NPI number?
Ivan DEDRICK GAVIN Hamilton's National Provider Identifier is 1669421202. 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 Ivan DEDRICK GAVIN Hamilton's education?
Ivan DEDRICK GAVIN Hamilton attended Georgetown University School of Medicine, graduating in 2002. This comes from the CMS National Downloadable File.
CMS public data
How long has Ivan DEDRICK GAVIN Hamilton been practicing?
Ivan DEDRICK GAVIN Hamilton has 24 years experience. Calculated from a graduation year of 2002, reported in the CMS National Downloadable File.
CMS public data
What is Ivan DEDRICK GAVIN Hamilton known for?
According to Medicare billing data, Ivan DEDRICK GAVIN Hamilton 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
Has Ivan DEDRICK GAVIN Hamilton confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Ivan DEDRICK GAVIN Hamilton. If this is you, claiming it is free.
Guide.md
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