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BERND CLAASSEN MD
NPI 1194803924
Anesthesiology in Vallejo, CA

Active since November 01, 2006PECOS EnrolledAccepts Medicare Assignment
975 SERENO DR, VALLEJO, CA 94589(707) 651-1000 Get Directions Write a Review

NPPES record last updated: December 13, 2021. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Bernd Claassen Md NPPES

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

BERND CLAASSEN MD (NPI 1194803924) is an individual anesthesiology provider in Vallejo, California, licensed in California (A73303) and active in the NPI registry since November 2006. He is enrolled in Medicare PECOS and is a graduate of Other (1994).

NPPES Registry Identity

NPI1194803924
Entity TypeIndividualMale
Primary Taxonomy207L00000X
Provider Legal NameBERND CLAASSENCredential: MD
Location Address975 SERENO DRVallejo, CA 94589-2441
Mailing Address1800 Harrison St Fl 7Oakland, CA 94612-3466 · (510) 625-6262
Phone(707) 651-1000
Sole ProprietorNo
Medical School CMSOtherGraduated 1994
Enumeration DateNovember 1, 2006
Last NPPES UpdateDecember 13, 2021
✔ NPI 1194803924 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyAnesthesiologyAllopathic & Osteopathic Physicians
Taxonomy Code207L00000X
License✔ Licensed in CA · A73303
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.
975 SERENO DR, Vallejo, CA 94589
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Other Identifiers 1

Medicaid00A733030CA

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

Bernd Claassen 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.

PECOS PAC ID1052591187
PECOS Enrollment IDI20110207000983
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 Reassignment

Medicare enrollment records show Bernd Claassen reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Permanente Medical Group Inc
0.1 mi
Internal Medicine
975 SERENO DRIVE
Vallejo, CA 94589
  • Reassigned Medicare billing, California enrollment
  • 20,078 clinicians in this Medicare group
NPI 1336222397 (707) 651-1000

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

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.

DR. ROBERTA YIWUN WANG M.D.
Physical Medicine & Rehabilitation
975 SERENO DR
VALLEJO, CA 94589
Napa County (707) 651-5128
RIHONG ZHOU
Pharmacist
975 SERENO DR
VALLEJO, CA 94589
Napa County (707) 651-2072
EVAN HIRSCHBEIN
Student in an Organized Health Care Education/Training Program
975 SERENO DR
VALLEJO, CA 94589
Napa County (707) 339-2074
MS. JEAN BROADNAX LCSW
Social Worker (Clinical)
975 SERENO DR
VALLEJO, CA 94589
Napa County (707) 651-4423
SEAN NISAM
Student in an Organized Health Care Education/Training Program
975 SERENO DR
VALLEJO, CA 94589
Napa County (707) 651-4071
LI M. TSANG MD
Anesthesiology
975 SERENO DR
VALLEJO, CA 94589
Napa County (707) 651-1000
DONN R. ERICKSON MD
Family Medicine
975 SERENO DR
VALLEJO, CA 94589
Napa County (707) 651-1000
JOHN S. WOOD MD
Surgery
975 SERENO DR
VALLEJO, CA 94589
Napa County (707) 651-1000

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 Bernd Claassen's NPI number?

The NPI number for Bernd Claassen is 1194803924. It was assigned to this individual provider in the NPPES registry on November 1, 2006.

Where is Bernd Claassen located?

Bernd Claassen practices at 975 Sereno Dr, Vallejo, CA 94589. The listed phone number is (707) 651-1000.

What is Bernd Claassen's specialty?

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

Is Bernd Claassen enrolled in Medicare?

Yes. Bernd Claassen 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 organization bills Medicare for Bernd Claassen's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Bernd Claassen reassigns Medicare benefits to Permanente Medical Group Inc (Vallejo, CA). The 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 Bernd Claassen'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 Bernd Claassen was last updated on December 13, 2021. 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.