ARIANNA ROBIN MD
NPI 1659948214
Hospitalist in Oakland, CA
About Arianna Robin Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ARIANNA ROBIN MD (NPI 1659948214) is an individual hospitalist provider in Oakland, California, licensed in California (A184452) and active in the NPI registry since June 2021. She is enrolled in Medicare PECOS, maintains a secondary practice location in Martinez, and is a graduate of Oregon Health Sciences University School Of Medicine (2021).
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Location 1
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Arianna Robin Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
2Medicare enrollment records show Arianna Robin reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Orinda, CA 94563
- Reassigned Medicare billing, California enrollment
- 4,479 clinicians in this Medicare group
San Pablo, CA 94806
- Reassigned Medicare billing, California enrollment
- 530 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 94609 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
OAKLAND, CA 94609
OAKLAND, CA 94609
OAKLAND, CA 94609
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 Arianna Robin's NPI number?
The NPI number for Arianna Robin is 1659948214. It was assigned to this individual provider in the NPPES registry on June 10, 2021.
Where is Arianna Robin located?
Arianna Robin practices at 350 Hawthorne Ave, Oakland, CA 94609. The listed phone number is (510) 869-6883.
What is Arianna Robin's specialty?
The primary specialty registered for this NPI is Hospitalist with taxonomy code 208M00000X.
Is Arianna Robin enrolled in Medicare?
Yes. Arianna Robin is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Arianna Robin's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Arianna Robin reassigns Medicare benefits to 2 organizations: Sutter Bay Medical Foundation (Orinda, CA) and Contra Costa County (San Pablo, CA). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Arianna Robin's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Arianna Robin was last updated on October 29, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 23 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.
# Arianna Robin, MD · NPI 1659948214
Hospitalist physician in Oakland, California. Individual provider, active in the CMS NPPES registry since June 10, 2021.
## Identity
- **NPI:** 1659948214 (Entity type: Individual)
- **Enumerated:** June 10, 2021
- **Primary specialty:** Hospitalist · taxonomy 208M00000X
- **State license:** A184452 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 350 HAWTHORNE AVE, Oakland, CA 94609-3108
- **Phone:** (510) 869-6883
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 2 organizations under Medicare reassignment (form CMS-855R): Sutter Bay Medical Foundation (NPI 1366898538, Orinda, CA); Contra Costa County (NPI 1417036484, San Pablo, CA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Oregon Health Sciences University School Of Medicine, class of 2021
## Record status
- **NPPES last updated:** October 29, 2024
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Source: [NPI Profile](https://npiprofile.com/npi/1659948214) · Data from the CMS NPPES public registry.