Doctor profile · Federal record

Dr. Nancy Michaelis, M.D.

Internal Medicine Physician (CMS: Internal Medicine) · Internal Medicine Physician · Chattanooga, TN

  • NPI 1467452425
  • Accepts Medicare
  • MIPS 94.7 / 100 · 2023
  • 36 yrs in practice
  • Licensed in 2 states
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
975 East Third Street
Chattanooga, TN 37403
(423) 266-1490
fax (423) 778-2108

Credentials & registration

NPPES · NUCC
NPI registered
July 2005 — 21 yrs on file
Profile last updated
April 14, 2016
Year of graduation
1990 — 36 yrs since
Specialty taxonomy
207R00000X — NUCC code
State licenses (2)
Tennessee #MD0000051271 · Virginia #0101047020
Medicaid (3)
VA #010230934 · VA #010222559 · TN #Q006729

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1467452425. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
407
Distinct HCPCS
3
Medicare allowed
$68,205
HCPCS Description Services Patients Avg allowed
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 315 309 $163
99291 Critical care, first 30-74 minutes 79 78 $202
99497 Advance care planning, first 30 minutes 13 13 $72

In context: peer comparison

Among 67 peers in Chattanooga Internal Medicine Physician, average services per provider: 133. This provider delivers 3.1× the peer median.

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Nancy Michaelis's medical specialty?
Dr. Nancy Michaelis practices Internal Medicine Physician in Chattanooga, TN.
Where does Dr. Nancy Michaelis practice?
Dr. Nancy Michaelis practices at 975 East Third Street, Chattanooga, TN 37403. Office phone: 4232661490.
What is Dr. Nancy Michaelis's NPI?
Dr. Nancy Michaelis's National Provider Identifier (NPI) is 1467452425, issued by NPPES.
Does Dr. Nancy Michaelis accept Medicare assignment?
Yes. Dr. Nancy Michaelis accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Nancy Michaelis commonly perform?
Top Medicare-reported procedures in 2023: Initial hospital care with moderate level of medical decision making (HCPCS 99223); Critical care (HCPCS 99291); Advance care planning (HCPCS 99497). Source: CMS Medicare Physician & Other Practitioners file.