MAXIMILIANO SOBRERO MD
NPI 1962934893
Emergency Medicine in Oakland, CA
About Maximiliano Sobrero Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MAXIMILIANO SOBRERO MD (NPI 1962934893) is an individual emergency medicine provider in Oakland, California, licensed in California (A161130) and active in the NPI registry since March 2017. He is enrolled in Medicare PECOS and is a graduate of Icahn School Of Medicine At Mount Sinai (2017).
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
Maximiliano Sobrero 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
6Medicare enrollment records show Maximiliano Sobrero reassigns Medicare billing to 6 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Alameda, CA 94501
- Reassigned Medicare billing, California enrollment
- 2,323 clinicians in this Medicare group
San Francisco, CA 94116
- Reassigned Medicare billing, California enrollment
- 20,078 clinicians in this Medicare group
Palo Alto, CA 94306
- Reassigned Medicare billing, California enrollment
- 2,460 clinicians in this Medicare group
Delano, CA 93215
- Reassigned Medicare billing, California enrollment
- 301 clinicians in this Medicare group
Mission Viejo, CA 92691
- Reassigned Medicare billing, California enrollment
- 86 clinicians in this Medicare group
Laguna Beach, CA 92651
- Reassigned Medicare billing, California enrollment
- 110 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 94602 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 94602
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 Maximiliano Sobrero's NPI number?
The NPI number for Maximiliano Sobrero is 1962934893. It was assigned to this individual provider in the NPPES registry on March 30, 2017.
Where is Maximiliano Sobrero located?
Maximiliano Sobrero practices at 1411 E 31st St Qic 22123, Oakland, CA 94602. The listed phone number is (510) 437-4564.
What is Maximiliano Sobrero's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Maximiliano Sobrero enrolled in Medicare?
Yes. Maximiliano Sobrero 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 Maximiliano Sobrero's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Maximiliano Sobrero reassigns Medicare benefits to 6 organizations: Cep America - California (Alameda, CA), Permanente Medical Group Inc (San Francisco, CA), County Of Santa Clara (Palo Alto, CA), Team Physicians Of California Medical Group Inc (Delano, CA), Mission Viejo Emergency Medical Associates (Mission Viejo, CA) and 1 more organization, listed in the Medicare section above. 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 Maximiliano Sobrero'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 Maximiliano Sobrero was last updated on February 4, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 years 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.
# Maximiliano Sobrero, MD · NPI 1962934893
Emergency Medicine physician in Oakland, California. Individual provider, active in the CMS NPPES registry since March 30, 2017.
## Identity
- **NPI:** 1962934893 (Entity type: Individual)
- **Enumerated:** March 30, 2017
- **Primary specialty:** Emergency Medicine · taxonomy 207P00000X
- **State license:** A161130 (California)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 1411 E 31ST ST, QIC 22123, Oakland, CA 94602-1018
- **Phone:** (510) 437-4564
## 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:** 6 organizations under Medicare reassignment (form CMS-855R): Cep America - California (NPI 1821017971, Alameda, CA); Permanente Medical Group Inc (NPI 1841373800, San Francisco, CA); County Of Santa Clara (NPI 1285228080, Palo Alto, CA); Team Physicians Of California Medical Group Inc (NPI 1447288345, Delano, CA); Mission Viejo Emergency Medical Associates (NPI 1073542916, Mission Viejo, CA); and 1 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Icahn School Of Medicine At Mount Sinai, class of 2017
## Record status
- **NPPES last updated:** February 4, 2022
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Source: [NPI Profile](https://npiprofile.com/npi/1962934893) · Data from the CMS NPPES public registry.