Physician Profile
Charles M. Dollbaum, M.D. is a healthcare provider in San Francisco, CA specializing in medical oncology. Charles trained at University of California, Geffen School of Medicine, graduating in 1981. Charles is also listed as specializing in internal medicine. According to Medicare claims data, Charles cared for 37 Medicare patients across 57 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.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Source: NPPES NPI Registry
1600 DIVISADERO ST FL 2
San Francisco, CA 94115
Within Medical Oncology generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Most searched conditions
Abdominal cancer
Blood cancer
Blood disorders
Cancer complications
Chest cancer
Complications
Digestive cancer
Digestive cancers
Endocrine cancer
Endocrine cancers
Eye cancer
General oncology
Genetic risk
Gynecologic cancer
Gynecologic cancers
Head and neck
Head and neck cancer
Metastatic cancer
Metastatic disease
Neurologic cancers
Sarcomas
Skin cancer
Symptom evaluation
Thoracic cancers
Treatment side effects
Urologic cancer
Urologic cancers
Most searched procedures
Cancer treatment care
Complication management
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Diagnostic testing
Diagnostics
Infusions
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Medication management
Patient education
Port and line care
Procedures
Specialized treatments
Specialty treatments
Supportive care
Treatment side effects
Vascular access
57 services · 37 patients · 1 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
57 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Charles M. Dollbaum is an oncologist in San Francisco, CA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Medical Oncology”.
NPI registry
Charles M. Dollbaum is listed at 1600 Divisadero St Fl 2, San Francisco, CA 94115. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (415) 353-7070. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
Charles M. Dollbaum's National Provider Identifier is 1205863552. 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
Charles M. Dollbaum attended University of California, Geffen School of Medicine, graduating in 1981. This comes from the CMS National Downloadable File.
CMS public data
Charles M. Dollbaum has 45 years experience. Calculated from a graduation year of 1981, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, Charles M. Dollbaum 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
Not yet. This profile is built from public federal data and has not been confirmed by Charles M. Dollbaum. 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.