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JACOB D. NYFELER MD
NPI 1144961376
Anesthesiology in Madison, WI

Active since April 03, 2022PECOS Enrolled
600 HIGHLAND AVE, MADISON, WI 53792(608) 263-6400 Get Directions Write a Review

NPPES record last updated: August 24, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Aug 24, 2026, Aug 16, 2023 (2 updates tracked since 2023).

About Jacob D. Nyfeler Md NPPES

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

JACOB D. NYFELER MD (NPI 1144961376) is an individual anesthesiology provider in Madison, Wisconsin, licensed in Wisconsin (87337-20) and active in the NPI registry since April 2022. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1144961376
Entity TypeIndividualMale
Primary Taxonomy207L00000X
Provider Legal NameJACOB D. NYFELERCredential: MD
Location Address600 HIGHLAND AVEMadison, WI 53792-0001
Mailing Address600 Highland AveMadison, WI 53792-0001 · (608) 263-6400
Phone(608) 263-6400
Sole ProprietorNo
Enumeration DateApril 3, 2022
Last NPPES UpdateAugust 24, 20262 updates tracked since enumeration
NPPES CertifiedAugust 24, 2026
✔ NPI 1144961376 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyAnesthesiologyAllopathic & Osteopathic Physicians
Taxonomy Code207L00000X
License✔ Licensed in WI · 87337-20
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.
600 HIGHLAND AVE, Madison, WI 53792
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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)

Jacob D. Nyfeler Md 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 Reassignments

2

Medicare enrollment records show Jacob Nyfeler reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

University Of Utah Adult Services
1,157 mi
Orthopaedic Surgery
9385 S SNOWBIRD CENTER DR
Sandy, UT 84092
  • Reassigned Medicare billing, Utah enrollment
  • 2,620 clinicians in this Medicare group
NPI 1851904247 (801) 587-7109
University Of Utah Acuity Care Services
1,162 mi
Neuromuscular Medicine
501 S CHIPETA WAY
Salt Lake City, UT 84108
  • Reassigned Medicare billing, Utah enrollment
  • 338 clinicians in this Medicare group
NPI 1366804254 (801) 587-6336

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.

JASON ALAN CHRISTENSEN PHARMD
Pharmacist
600 HIGHLAND AVE, COMPLIANCE MAIL CODE 2433
MADISON, WI 53792
Dane County (608) 662-0817
LAURA JEAN KOPPLIN MD, PHD
Ophthalmology
600 HIGHLAND AVE
MADISON, WI 53792
Dane County (608) 263-6070
HAGGI MAZEH MD
Surgery
600 HIGHLAND AVE
MADISON, WI 53792
Dane County (608) 265-8072
DR. SWAPNIL SUNIL LANJEWAR M.D.
Internal Medicine (Infectious Disease)
600 HIGHLAND AVE
MADISON, WI 53792
Dane County (608) 263-0946
DR. MATTHEW JAMES HOYT M.D.
Anesthesiology
600 HIGHLAND AVE
MADISON, WI 53792
Dane County (608) 263-8100
VANESSA MERCEDES WELTEN MD MPH
Transplant Surgery
600 HIGHLAND AVE
MADISON, WI 53792
Dane County (617) 732-5500
JOHN HENRY NORMAN HARRISON
Anesthesiology
600 HIGHLAND AVE
MADISON, WI 53792
Dane County (608) 263-8100
PIPPA FROUKTE COSPER MD
Radiology (Radiation Oncology)
600 HIGHLAND AVE
MADISON, WI 53792
Dane County (608) 263-8500

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 Jacob Nyfeler's NPI number?

The NPI number for Jacob Nyfeler is 1144961376. It was assigned to this individual provider in the NPPES registry on April 3, 2022.

Where is Jacob Nyfeler located?

Jacob Nyfeler practices at 600 Highland Ave, Madison, WI 53792. The listed phone number is (608) 263-6400.

What is Jacob Nyfeler's specialty?

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

Is Jacob Nyfeler enrolled in Medicare?

Yes. Jacob Nyfeler is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Jacob Nyfeler's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Jacob Nyfeler reassigns Medicare benefits to 2 organizations: University Of Utah Adult Services (Sandy, UT) and University Of Utah Acuity Care Services (Salt Lake City, UT). 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 Jacob Nyfeler'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 Jacob Nyfeler was last updated on August 24, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.