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DR. JOHN DALTON MADIGAN MD
NPI 1225617723
Anesthesiology in Knoxville, TN

Active since April 03, 2021PECOS EnrolledAccepts Medicare Assignment
1924 ALCOA HWY # U-109, KNOXVILLE, TN 37920(865) 305-9220(865) 305-9216 Get Directions Write a Review

NPPES record last updated: May 18, 2025. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: May 18, 2025, Apr 3, 2021 (2 updates tracked since 2021).

About Dr. John Dalton Madigan Md NPPES

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

DR. JOHN DALTON MADIGAN MD (NPI 1225617723) is an individual anesthesiology provider in Knoxville, Tennessee, licensed in Tennessee (66601) and active in the NPI registry since April 2021. He is enrolled in Medicare PECOS, is affiliated with University Health System, Inc, and is a graduate of Other (2021).

NPPES Registry Identity

NPI1225617723
Entity TypeIndividualMale
Primary Taxonomy207L00000X
Provider Legal NameDR. JOHN DALTON MADIGANCredential: MD
Location Address1924 ALCOA HWY # U-109Knoxville, TN 37920-1511
Mailing Address1924 Alcoa Hwy # U-109Knoxville, TN 37920-1511 · (865) 305-9220 · Fax (865) 305-9216
Phone(865) 305-9220
Fax(865) 305-9216
Sole ProprietorNo
Medical School CMSOtherGraduated 2021
Enumeration DateApril 3, 2021
Last NPPES UpdateMay 18, 20252 updates tracked since enumeration
NPPES CertifiedMay 18, 2025
✔ NPI 1225617723 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyAnesthesiologyAllopathic & Osteopathic Physicians
Taxonomy Code207L00000X
License✔ Licensed in TN · 66601
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.
1924 ALCOA HWY # U-109, Knoxville, TN 37920
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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. John Dalton Madigan 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 ID7810390085
PECOS Enrollment IDI20250717000006
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.

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

University Health System, Inc

Acute Care Hospitals · Knoxville, TN
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number440015
Location1924 Alcoa HighwayKnoxville, TN 37920 · Knox County
Emergency services Birthing friendly

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.

FARAZ AHMED TARIQ DDS
Dentist
1924 ALCOA HWY # U-109
KNOXVILLE, TN 37920
Knox County (865) 305-9191
GAVIN HUSTED DO
Student in an Organized Health Care Education/Training Program
1924 ALCOA HWY # U-109
KNOXVILLE, TN 37920
Knox County (865) 305-9220
MADELINE LOCK
Student in an Organized Health Care Education/Training Program
1924 ALCOA HWY # U-109
KNOXVILLE, TN 37920
Knox County (865) 305-9220
DR. STEPHEN WILLIAM MORVANT II MD
Student in an Organized Health Care Education/Training Program
1924 ALCOA HWY # U-109
KNOXVILLE, TN 37920
Knox County (865) 305-9220
DR. TARA KEIL MD
Anesthesiology
1924 ALCOA HWY # U-109
KNOXVILLE, TN 37920
Knox County (865) 305-9220
JEAN THOMPSON BUTLER MD
Student in an Organized Health Care Education/Training Program
1924 ALCOA HWY # U-109
KNOXVILLE, TN 37920
Knox County (865) 305-9220
SAVANNAH ROBERTS
Student in an Organized Health Care Education/Training Program
1924 ALCOA HWY # U-109
KNOXVILLE, TN 37920
Knox County (865) 305-9220
LOGAN EVANS MD, MBA
Student in an Organized Health Care Education/Training Program
1924 ALCOA HWY # U-109
KNOXVILLE, TN 37920
Knox County (865) 305-9220

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 John Madigan's NPI number?

The NPI number for John Madigan is 1225617723. It was assigned to this individual provider in the NPPES registry on April 3, 2021.

Where is John Madigan located?

John Madigan practices at 1924 Alcoa Hwy # U-109, Knoxville, TN 37920. The listed phone number is (865) 305-9220.

What is John Madigan's specialty?

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

Is John Madigan enrolled in Medicare?

Yes. John Madigan 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.

Is John Madigan affiliated with any hospitals?

According to CMS data, John Madigan is affiliated with University Health System, Inc.

When was this NPI record last updated?

The NPPES record for John Madigan was last updated on May 18, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 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.