Doctor profile · Federal record

Dr. Marshall Spears, M.D.

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

  • NPI 1386904514
  • Accepts Medicare
  • MIPS 92.6 / 100 · 2023
  • 14 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
975 E 3Rd St
Chattanooga, TN 374032147
(423) 778-7000
Mailing address
975 E. Third Street, Attn: University Hospitalists
Chattanooga, TN 374032147

Credentials & registration

NPPES · NUCC
NPI registered
May 2012 — 14 yrs on file
Profile last updated
July 21, 2022
Year of graduation
2012 — 14 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
Tennessee #56294

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1386904514. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
431
Distinct HCPCS
5
Medicare allowed
$46,957
HCPCS Description Services Patients Avg allowed
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 201 95 $111
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 103 49 $74
99239 Hospital discharge day management, more than 30 minutes 72 70 $107
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 41 41 $163
99291 Critical care, first 30-74 minutes 14 13 $197

In context: peer comparison

Among 67 peers in Chattanooga Internal Medicine Physician, average services per provider: 133. This provider delivers 3.2× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$22
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Ucb, INC. 1 $21.75

By nature of payment

Food and Beverage
$22

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
14
Patients
0
Total drug cost
$133
Drug Type Claims Patients Total cost
Pantoprazole Sodium Generic 14 0 $133

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Marshall Spears's medical specialty?
Dr. Marshall Spears practices Internal Medicine Physician in Chattanooga, TN.
Where does Dr. Marshall Spears practice?
Dr. Marshall Spears practices at 975 E 3Rd St, Chattanooga, TN 374032147. Office phone: 4237787000.
What is Dr. Marshall Spears's NPI?
Dr. Marshall Spears's National Provider Identifier (NPI) is 1386904514, issued by NPPES.
Does Dr. Marshall Spears accept Medicare assignment?
Yes. Dr. Marshall Spears accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Marshall Spears commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Hospital discharge day management (HCPCS 99239). Source: CMS Medicare Physician & Other Practitioners file.