DR. JAMES HARRISON SEDERBERG II MD
NPI 1487700159
Anesthesiology in Wheat Ridge, CO

Active since January 26, 2007PECOS EnrolledAccepts Medicare Assignment
15/100
CMS Quality Rating
8300 W 38TH AVE, WHEAT RIDGE, CO 80033(303) 422-9438 Get Directions Write a Review

NPPES record last updated: May 14, 2025. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: May 14, 2025, Jul 23, 2021 (2 updates tracked since 2021).

About Dr. James Harrison Sederberg Ii Md NPPES

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

DR. JAMES HARRISON SEDERBERG II MD (NPI 1487700159) is an individual anesthesiology provider in Wheat Ridge, Colorado, licensed in Colorado (47429) and active in the NPI registry since January 2007. He is enrolled in Medicare PECOS, maintains 2 additional practice locations, and is a graduate of University Of Nebraska College Of Medicine (2005).

NPPES Registry Identity

NPI1487700159
Entity TypeIndividualMale
Primary Taxonomy207L00000X
Provider Legal NameDR. JAMES HARRISON SEDERBERG IICredential: MD
Location Address8300 W 38TH AVEWheat Ridge, CO 80033-6005
Mailing AddressPo Box 668Arvada, CO 80001-0668 · (303) 422-9438 · Fax (303) 422-9474
Sole ProprietorNo
Medical School CMSUniversity Of Nebraska College Of MedicineGraduated 2005
Enumeration DateJanuary 26, 2007
Last NPPES UpdateMay 14, 20252 updates tracked since enumeration
NPPES CertifiedMay 14, 2025
✔ NPI 1487700159 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyAnesthesiologyAllopathic & Osteopathic Physicians
Taxonomy Code207L00000X
License✔ Licensed in CO · 47429
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.
8300 W 38TH AVE, Wheat Ridge, CO 80033

Secondary Practice Locations 2

Location 1455 Sherman St, Ste 510Denver, CO 80203-4400 · Phone (303) 377-6825 · Fax (303) 780-0787
Location 210350 E Dakota AveDenver, CO 80247-1314 · Phone (303) 338-4545

Other Identifiers 2

Medicaid84528044CO
Other020631CO · Kaiser Commercial Number

Accepted Insurance

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

Dr. James Harrison Sederberg Ii 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 ID4284769795
PECOS Enrollment IDI20100322000795
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

4

Medicare enrollment records show James Sederberg reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Anesthesiology
12911 W 40TH AVE
Golden, CO 80401
  • Reassigned Medicare billing, Colorado enrollment
  • 171 clinicians in this Medicare group
Anesthesiology
1375 E 19TH AVE
Denver, CO 80218
  • Reassigned Medicare billing, Colorado enrollment
  • 160 clinicians in this Medicare group
Gastroenterology
4500 E 9TH AVE STE 720S
Denver, CO 80220
  • Reassigned Medicare billing, Colorado enrollment
  • 37 clinicians in this Medicare group
Internal Medicine
10350 E DAKOTA AVE
Denver, CO 80247
  • Reassigned Medicare billing, Colorado enrollment
  • Medicare enrollment name: Colorado Permanente Medical Group PC
  • 1,715 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.

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.

15/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality0
Improvement Activities40

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.

Physician Assistant
8300 W 38TH AVE
WHEAT RIDGE, CO 80033
Family Medicine
8300 W 38TH AVE, 2ND FLOOR, EPN CRED
WHEAT RIDGE, CO 80033
Pharmacist
8300 W 38TH AVE
WHEAT RIDGE, CO 80033
Anesthesiology
8300 W 38TH AVE
WHEAT RIDGE, CO 80033
Physician Assistant (Medical)
8300 W 38TH AVE
WHEAT RIDGE, CO 80033
Radiology (Diagnostic Radiology)
8300 W 38TH AVE
WHEAT RIDGE, CO 80033
Radiology (Diagnostic Radiology)
8300 W 38TH AVE
WHEAT RIDGE, CO 80033
Nurse Practitioner (Neonatal)
8300 W 38TH AVE
WHEAT RIDGE, CO 80033

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 James Sederberg's NPI number?

The NPI number for James Sederberg is 1487700159. It was assigned to this individual provider in the NPPES registry on January 26, 2007.

Where is James Sederberg located?

James Sederberg practices at 8300 W 38th Ave, Wheat Ridge, CO 80033. The listed phone number is (303) 422-9438.

What is James Sederberg's specialty?

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

Is James Sederberg enrolled in Medicare?

Yes. James Sederberg 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 James Sederberg's services?

According to the CMS Revalidation Reassignment List (October 2026 release), James Sederberg reassigns Medicare benefits to 4 organizations: Physician Anesthesia Services PC (Golden, CO), Hospitalist Medicine Physicians Of Colorado - Denver PC (Denver, CO), Denver Digestive Health Specialists Inc (Denver, CO) and Colorado Permanente Medical Group, P.C. (Denver, CO). 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 James Sederberg's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does James Sederberg accept?

Health plans from Oscar Health, Oscar Insurance Company and Select Health list James Sederberg as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for James Sederberg was last updated on May 14, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 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.