DEVIN ARTHUR OLLER MD
NPI 1023351897
Internal Medicine in San Francisco, CA
About Devin Arthur Oller Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DEVIN ARTHUR OLLER MD (NPI 1023351897) is an individual internal medicine provider in San Francisco, California, licensed in California (A134569) and active in the NPI registry since March 2013. He is enrolled in Medicare PECOS and is a graduate of Temple University School Of Medicine (2013).
NPPES Registry Identity
Specialties & Licenses 2
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
Devin Arthur Oller 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
3Medicare enrollment records show Devin Oller reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
San Francisco, CA 94143
- Reassigned Medicare billing, California enrollment
- 2,112 clinicians in this Medicare group
San Francisco, CA 94143
- Reassigned Medicare billing, California enrollment
- 5,645 clinicians in this Medicare group
San Francisco, CA 94122
- Reassigned Medicare billing, California enrollment
- 5,544 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 2
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 94143 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
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.
SAN FRANCISCO, CA 94143
SAN FRANCISCO, CA 94143
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 Devin Oller's NPI number?
The NPI number for Devin Oller is 1023351897. It was assigned to this individual provider in the NPPES registry on March 31, 2013.
Where is Devin Oller located?
Devin Oller practices at 1600 Divisadero St, San Francisco, CA 94143. The listed phone number is (415) 353-7900.
What is Devin Oller's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Devin Oller enrolled in Medicare?
Yes. Devin Oller 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 Devin Oller's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Devin Oller reassigns Medicare benefits to 3 organizations: Regents Of The University Of California (San Francisco, CA), University Of California San Francisco (San Francisco, CA) and Ucsf Medical Group Business Services (San Francisco, 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 Devin Oller'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 Devin Oller was last updated on December 17, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.
# Devin Arthur Oller, MD · NPI 1023351897
Internal Medicine physician in San Francisco, California. Individual provider, active in the CMS NPPES registry since March 31, 2013.
## Identity
- **NPI:** 1023351897 (Entity type: Individual)
- **Enumerated:** March 31, 2013
- **Primary specialty:** Internal Medicine · taxonomy 207R00000X
- **State license:** A134569 (California)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 1600 DIVISADERO ST, San Francisco, CA 94143-3010
- **Phone:** (415) 353-7900
## 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:** 3 organizations under Medicare reassignment (form CMS-855R): Regents Of The University Of California (NPI 1235322348, San Francisco, CA); University Of California San Francisco (NPI 1346329380, San Francisco, CA); Ucsf Medical Group Business Services (NPI 1477624104, San Francisco, CA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Temple University School Of Medicine, class of 2013
## Record status
- **NPPES last updated:** December 17, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1023351897) · Data from the CMS NPPES public registry.