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Edit this profileAt a glance
- 240 Shotwell St, San Francisco, CA 94110
About Dr. Williams
Robert B. Williams, M.D practices internal medicine in San Francisco, CA. Robert is a 2002 graduate of University of South Alabama College of Medicine. Medicare claims data shows Robert provided 201 services to 126 patients. The services billed most often include hemoglobin a1c level, automated urinalysis test, and detection test by immunoassay with direct visual observation for severe acute respiratory syndrome coronavirus 2 (covid-19). The provider's National Provider Identifier (NPI) is 1225193667.
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) 552-1013
- Email not available
Practice Locations
240 SHOTWELL ST
San Francisco, CA 94110
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
- Bone Density Scan Referral
- Diabetes Screening and A1C Test
Sexual health
Procedures Most Often Billed to Medicare
201 services · 126 patients · 3 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Hemoglobin a1c level | Lab test | 83036 |
167 | More often than most peers in Internal Medicine |
| Automated urinalysis test | Lab test | 81003 |
22 | As often as other peers in Internal Medicine |
| Detection test by immunoassay with direct visual observation for severe acute respiratory syndrome coronavirus 2 (covid-19) | Lab test | 87811 |
12 | Less often 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 internists at this location 1
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 8
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 internists in San Francisco 8
Same specialty, same city.
Trained at University of South Alabama College of Medicine 8
Other providers in the same specialty who trained at the same institution.
Class of 2002 at University of South Alabama College of Medicine 7
Providers who graduated from the same medical school in the same year.
Common questions
What is Robert B. Williams's specialty?
Robert B. Williams 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 Robert B. Williams?
Robert B. Williams is listed at 240 Shotwell St, San Francisco, CA 94110. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Robert B. Williams?
The number on file is (415) 552-1013. Contact the office directly to confirm availability and scheduling.
NPI registry
What is the NPI for Robert B. Williams?
Robert B. Williams's National Provider Identifier is 1225193667. 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 Robert B. Williams's education?
Robert B. Williams attended University of South Alabama College of Medicine, graduating in 2002. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Robert B. Williams have?
Robert B. Williams has 24 years experience. Calculated from a graduation year of 2002, reported in the CMS National Downloadable File.
CMS public data
What is Robert B. Williams known for?
According to Medicare billing data, Robert B. Williams 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 Robert B. Williams's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Robert B. Williams. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.