ROBERT DORIS
NPI 1528647096
Internal Medicine in Larkspur, CA

Active since April 03, 2021PECOS Enrolled
1100 LARKSPUR LANDING CIR STE 10, LARKSPUR, CA 94939(415) 924-1214(415) 924-1375 Get Directions Write a Review

NPPES record last updated: July 11, 2025. Verified against the NPPES registry weekly; last sync: September 06, 2026.

Record update history: Jul 11, 2025, Apr 3, 2021 (2 updates tracked since 2021).

About Robert Doris NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

ROBERT DORIS (NPI 1528647096) is an individual internal medicine provider in Larkspur, California, licensed in California (A196909) and active in the NPI registry since April 2021. He is enrolled in Medicare PECOS and is a graduate of Other (2021).

NPPES Registry Identity

NPI1528647096
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameROBERT DORIS
Location Address1100 LARKSPUR LANDING CIR STE 10Larkspur, CA 94939-1836
Mailing Address1100 Larkspur Landing Cir Ste 10Larkspur, CA 94939-1836 · (415) 924-1214 · Fax (415) 924-1375
Fax(415) 924-1375
Sole ProprietorYes
Medical School CMSOtherGraduated 2021
Enumeration DateApril 3, 2021
Last NPPES UpdateJuly 11, 20252 updates tracked since enumeration
NPPES CertifiedJuly 11, 2025
NPI 1528647096 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License Licensed in CA · A196909
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
1100 LARKSPUR LANDING CIR STE 10, Larkspur, CA 94939

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare (PECOS)

Robert Doris is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID2860893344
PECOS Enrollment IDI20240816001175
Eligible to Order & Refer Part B Labs & Imaging Durable Medical Equipment Home Health Agency Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 3

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
138 services115 patients
Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit G0439
An annual wellness visit is a yearly appointment with your primary care provider to create or update a personalized prevention plan. This plan helps prevent illness based on your current health and risk factors. It's a subsequent visit, meaning it follows an initial assessment.
59 services59 patients
Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
51 services44 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 94939 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$154.04 typical visit price
range $69.07 – $202.63
Typical copayment $38.51 (range $17.26 – $50.65)
Most-billed visit code 99204
Established Patient
$119.61 typical visit price
range $23.44 – $166.64
Typical copayment $29.90 (range $5.86 – $41.66)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 13

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Family Medicine
1100 LARKSPUR LANDING CIR STE 10
LARKSPUR, CA 94939
Internal Medicine (Pulmonary Disease)
1100 LARKSPUR LANDING CIR STE 10
LARKSPUR, CA 94939
Internal Medicine
1100 LARKSPUR LANDING CIR STE 10
LARKSPUR, CA 94939
Internal Medicine (Pulmonary Disease)
1100 LARKSPUR LANDING CIR STE 10
LARKSPUR, CA 94939
Family Medicine
1100 LARKSPUR LANDING CIR STE 10
LARKSPUR, CA 94939
Nurse Practitioner (Family)
1100 LARKSPUR LANDING CIR STE 10
LARKSPUR, CA 94939
Internal Medicine (Pulmonary Disease)
1100 LARKSPUR LANDING CIR STE 10
LARKSPUR, CA 94939
Pediatrics
1100 LARKSPUR LANDING CIR STE 10
LARKSPUR, CA 94939

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Robert Doris's NPI number?

The NPI number for Robert Doris is 1528647096. It was assigned to this individual provider in the NPPES registry on April 3, 2021.

Where is Robert Doris located?

Robert Doris practices at 1100 Larkspur Landing Cir Ste 10, Larkspur, CA 94939. The listed phone number is (415) 924-1214.

What is Robert Doris's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Robert Doris enrolled in Medicare?

Yes. Robert Doris is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Robert Doris was last updated on July 11, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.