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SEBASTIAN ZEINER MD, MBA
NPI 1073347373
Anesthesiology in San Francisco, CA

Active since August 28, 2024PECOS EnrolledAccepts Medicare Assignment
505 PARNASSUS AVE # CA94143, SAN FRANCISCO, CA 94143(415) 476-1000 Get Directions Write a Review

NPPES record last updated: August 28, 2024. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Sebastian Zeiner Md, Mba NPPES

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

SEBASTIAN ZEINER MD, MBA (NPI 1073347373) is an individual anesthesiology provider in San Francisco, California, licensed in California (SPI839) and active in the NPI registry since August 2024. He is enrolled in Medicare PECOS and is a graduate of Other (2015).

NPPES Registry Identity

NPI1073347373
Entity TypeIndividualMale
Primary Taxonomy207L00000X
Provider Legal NameSEBASTIAN ZEINERCredential: MD, MBA
Location Address505 PARNASSUS AVE # CA94143San Francisco, CA 94143-2204
Mailing Address505 Parnassus AveSan Francisco, CA 94143-2204 · (415) 696-6357
Phone(415) 476-1000
Sole ProprietorNo
Medical School CMSOtherGraduated 2015
Enumeration DateAugust 28, 2024
NPPES CertifiedAugust 28, 2024
✔ NPI 1073347373 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyAnesthesiologyAllopathic & Osteopathic Physicians
Taxonomy Code207L00000X
License✔ Licensed in CA · SPI839
Definition
An anesthesiologist is trained to provide pain relief and maintenance, or restoration, of a stable condition during and immediately following an operation or an obstetric or diagnostic procedure. The anesthesiologist assesses the risk of the patient undergoing surgery and optimizes the patient's condition prior to, during and after surgery. In addition to these management responsibilities, the anesthesiologist provides medical management and consultation in pain management and critical care medicine. Anesthesiologists diagnose and treat acute, long-standing and cancer pain problems; diagnose and treat patients with critical illnesses or severe injuries; direct resuscitation in the care of patients with cardiac or respiratory emergencies, including the need for artificial ventilation; and supervise post-anesthesia recovery.
505 PARNASSUS AVE # CA94143, San Francisco, CA 94143
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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

Sebastian Zeiner Md, Mba 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.

PECOS PAC ID6608316807
PECOS Enrollment IDI20240913001024
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.

Medicare Billing Reassignments

3

Medicare enrollment records show Sebastian Zeiner reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

University Anesthesia Medical Group
Same address
Anesthesiology
505 PARNASSUS AVE
San Francisco, CA 94143
  • Reassigned Medicare billing, California enrollment
  • 723 clinicians in this Medicare group
NPI 1528137296 (415) 476-1000
University Of California San Francisco
0.1 mi
Surgery
400 PARNASSUS AVE, MCB 300
San Francisco, CA 94143
  • Reassigned Medicare billing, California enrollment
  • 5,645 clinicians in this Medicare group
NPI 1346329380 (415) 353-2161
Ucsf Medical Group Business Services
0.1 mi
Internal Medicine
400 PARNASSUS AVE
San Francisco, CA 94122
  • Reassigned Medicare billing, California enrollment
  • 5,544 clinicians in this Medicare group
NPI 1477624104 (415) 353-2808

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

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 Sebastian Zeiner's NPI number?

The NPI number for Sebastian Zeiner is 1073347373. It was assigned to this individual provider in the NPPES registry on August 28, 2024.

Where is Sebastian Zeiner located?

Sebastian Zeiner practices at 505 Parnassus Ave # Ca94143, San Francisco, CA 94143. The listed phone number is (415) 476-1000.

What is Sebastian Zeiner's specialty?

The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.

Is Sebastian Zeiner enrolled in Medicare?

Yes. Sebastian Zeiner 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 Sebastian Zeiner's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Sebastian Zeiner reassigns Medicare benefits to 3 organizations: University Anesthesia Medical Group (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 Sebastian Zeiner'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 Sebastian Zeiner was last updated on August 28, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.