Physician Profile
Unclaimed ProfileAbout DORIS
Robert Doris practises internal medicine in Larkspur, CA. Robert is also listed as specialising in student in an organized health care education program.
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 is Dr. Doris's specialty?
Dr. Doris is an internal medicine in Larkspur, CA. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “INTERNAL MEDICINE”.
NPI registry
Where can I find Dr. Doris?
Dr. Doris is listed at 1100 LARKSPUR LANDING CIR STE 10, Larkspur, CA 94939. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Dr. Doris?
The number on file is (415) 924-1214. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Dr. Doris's NPI number?
Dr. Doris's National Provider Identifier is 1528647096. 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 Dr. Doris's medical education?
Dr. Doris attended Other, graduating in 2021. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Doris been practising?
Dr. Doris has 5 years experience. Calculated from a graduation year of 2021, reported in the CMS National Downloadable File.
CMS public data
What is Dr. Doris known for?
According to Medicare billing data, Dr. Doris 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 Dr. Doris confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Doris. If this is you, claiming it is free.
Guide.md
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (415) 924-1214
- Email not available
Practice Locations
1100 LARKSPUR LANDING CIR STE 10
Larkspur, CA 94939
Procedures Most Often Billed to Medicare
248 services · 218 patients · 3 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 |
138 |
| Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | Billing code | G0439 |
59 |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
51 |
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 2
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 — 22 related providers in 3 groups
Other internal medicines in Larkspur 6
Same specialty, same city.
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
Class of 2021 at Other 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.