Physician Profile
Unclaimed ProfileAbout TOMKIEWICZ
William R. Tomkiewicz, MD practises emergency medicine in San Francisco, CA. William is a 1982 graduate of University of Texas Southwestern Medical School at Dallas.
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
Common questions
What kind of doctor is Dr. Tomkiewicz?
Dr. Tomkiewicz is an emergency medicine in San Francisco, CA. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “EMERGENCY MEDICINE”.
NPI registry
What is Dr. Tomkiewicz's address?
Dr. Tomkiewicz is listed at 2200 OFARRELL ST, San Francisco, CA 94115. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with Dr. Tomkiewicz?
The number on file is (415) 833-2000. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is the NPI for Dr. Tomkiewicz?
Dr. Tomkiewicz's National Provider Identifier is 1962580571. 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. Tomkiewicz train?
Dr. Tomkiewicz attended University of Texas Southwestern Medical School at Dallas, graduating in 1982. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Dr. Tomkiewicz have?
Dr. Tomkiewicz has 44 years experience. Calculated from a graduation year of 1982, reported in the CMS National Downloadable File.
CMS public data
What procedures does Dr. Tomkiewicz perform?
According to Medicare billing data, Dr. Tomkiewicz 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. Tomkiewicz's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Tomkiewicz. If this is you, claiming it is free.
Guide.md
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (415) 833-2000
- Email not available
Practice Locations
2200 OFARRELL ST
San Francisco, CA 94115
Procedures Most Often Billed to Medicare
324 services · 320 patients · 6 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
117 |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
81 |
| New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more | Office visit | 99204 |
48 |
| New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more | Office visit | 99203 |
40 |
| Amplifed dna or rna probe detection of severe acute respiratory syndrome coronavirus 2 (covid-19) antigen | Lab test | 87635 |
27 |
| Detection test by nucleic acid for multiple types influenza virus | Lab test | 87502 |
11 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
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Claim this profileRelated providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other emergency medicines at this location 3
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 6
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 emergency medicines in San Francisco 8
Same specialty, same city.
Trained at University of Texas Southwestern Medical School at Dallas 8
Other providers in the same specialty who trained at the same institution.
Class of 1982 at University of Texas Southwestern Medical School at Dallas 8
Providers who graduated from the same medical school in the same year.
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.