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ADAM JACOB SEIVER M.D.
NPI 1659469302
Surgery - Surgical Critical Care in Sacramento, CA

Active since October 10, 2006PECOS Enrolled
77 CADILLAC DR, SUITE 210, SACRAMENTO, CA 95825(916) 325-1040(916) 669-4144 Get Directions Write a Review

NPPES record last updated: September 27, 2021. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Adam Jacob Seiver M.d. NPPES

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

ADAM JACOB SEIVER M.D. (NPI 1659469302) is an individual surgical critical care provider in Sacramento, California, licensed in California (G44057) and active in the NPI registry since October 2006. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1659469302
Entity TypeIndividualMale
Primary Taxonomy2086S0102X
Provider Legal NameADAM JACOB SEIVERCredential: M.D.
Location Address77 CADILLAC DR, SUITE 210Sacramento, CA 95825-5453
Mailing Address77 Cadillac Dr, Suite 210Sacramento, CA 95825-5453 · (916) 325-1040 · Fax (916) 669-4144
Phone(916) 325-1040
Fax(916) 669-4144
Sole ProprietorNo
Enumeration DateOctober 10, 2006
Last NPPES UpdateSeptember 27, 2021
NPPES CertifiedSeptember 27, 2021
✔ NPI 1659469302 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySurgery · Surgical Critical CareAllopathic & Osteopathic Physicians
Taxonomy Code2086S0102X
License✔ Licensed in CA · G44057
Definition
A surgeon with expertise in the management of the critically ill and postoperative patient, particularly the trauma victim, who specializes in critical care medicine diagnoses, treats and supports patients with multiple organ dysfunction. This specialist may have administrative responsibilities for intensive care units and may also facilitate and coordinate patient care among the primary physician, the critical care staff and other specialists.
77 CADILLAC DR, Sacramento, CA 95825
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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 (PECOS)

Adam Jacob Seiver M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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 Adam Seiver reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Aretaeus Telemedicine Inc.
70 mi
Critical Care Medicine
1046 WINDING RIDGE RD
Santa Rosa, CA 95404
  • Reassigned Medicare billing, California enrollment
  • 68 clinicians in this Medicare group
NPI 1548490261 (707) 326-5855

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.

THOMAS ANDREW SHRAGG M.D.
Internal Medicine (Pulmonary Disease)
77 CADILLAC DR, SUITE 210
SACRAMENTO, CA 95825
Sacramento County (916) 325-1040
TANYA MAAGDENBERG M.D.
Obstetrics & Gynecology
77 CADILLAC DR, SUITE 230
SACRAMENTO, CA 95825
Sacramento County (916) 920-2082
EMILIA CHO MD
Pediatrics
77 CADILLAC DR, SUITE 200
SACRAMENTO, CA 95825
Sacramento County (916) 561-5911
RADIOLOGICAL ASSOCIATES OF SACRAMENTO MEDICAL GROUP, INC.
Urology
77 CADILLAC DR, SUITE 130/180
SACRAMENTO, CA 95825
Sacramento County (916) 900-3993
RINGWALD MEDICAL CORPORATION
Pediatrics
77 CADILLAC DR, STE. 200
SACRAMENTO, CA 95825
Sacramento County (916) 561-5911
DR. SHAREEN CHAR-FAT D.D.S.
Dentist (General Practice)
77 CADILLAC DR, SUITE 270
SACRAMENTO, CA 95825
Sacramento County (916) 925-9222
MATTHEW JAMES SUSANKA M.D.
Obstetrics & Gynecology
77 CADILLAC DR, 230
SACRAMENTO, CA 95825
Sacramento County (916) 920-2082
LIFECENTER SACRAMENTO LLC
Clinic/Center (Ambulatory Surgical)
77 CADILLAC DR
SACRAMENTO, CA 95825
Sacramento County (760) 914-3477

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 Adam Seiver's NPI number?

The NPI number for Adam Seiver is 1659469302. It was assigned to this individual provider in the NPPES registry on October 10, 2006.

Where is Adam Seiver located?

Adam Seiver practices at 77 Cadillac Dr Suite 210, Sacramento, CA 95825. The listed phone number is (916) 325-1040.

What is Adam Seiver's specialty?

The primary specialty registered for this NPI is Surgery, specializing in Surgical Critical Care, with taxonomy code 2086S0102X.

Is Adam Seiver enrolled in Medicare?

Yes. Adam Seiver is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Adam Seiver's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Adam Seiver reassigns Medicare benefits to Aretaeus Telemedicine Inc. (Santa Rosa, 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 Adam Seiver'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 Adam Seiver was last updated on September 27, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.