Doctor profile · Federal record

Dr. James Shaffer, MD

Critical Care Medicine (Internal Medicine) Physician (CMS: Pulmonary Disease) · Critical Care Medicine (Internal Medicine) Physician · Pulmonary Disease Physician · Pulmonary Disease Physician · Sleep Medicine (Internal Medicine) Physician · Sleep Medicine (Internal Medicine) Physician · Cookeville, TN

  • NPI 1801859368
  • Accepts Medicare
  • 34 yrs in practice
  • Licensed in 2 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
145 W 4Th St Ste 201
Cookeville, TN 385012476
(931) 783-2143
fax (931) 783-2152
Mailing address
3300 S Fiske Blvd
Rockledge, FL 329554306

Credentials & registration

NPPES · NUCC
NPI registered
April 2006 — 20 yrs on file
Profile last updated
April 4, 2023
Year of graduation
1992 — 34 yrs since
Specialty taxonomy
207RC0200X — NUCC code
State licenses (2)
Tennessee #67366 · Florida #ME79932
Medicaid (2)
FL #259073500 · TN #Q080849

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1801859368. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
981
Distinct HCPCS
10
Medicare allowed
$99,976
HCPCS Description Services Patients Avg allowed
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 256 130 $112
99291 Critical care, first 30-74 minutes 159 69 $202
99214 Established patient office or other outpatient visit, 30-39 minutes 103 91 $117
94010 Test to measure expiratory airflow and volume 54 54 $8
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 52 52 $121
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 51 40 $75
94729 Test to examine how well the lungs exchange gases 45 45 $8
94727 Test to determine lung volumes using gas dilution or washout 32 32 $38
94729 Test to examine how well the lungs exchange gases 32 32 $49
94727 Test to determine lung volumes using gas dilution or washout 31 31 $11

In context: peer comparison

Among 1 peers in Cookeville Critical Care Medicine (Internal Medicine) Physician, average services per provider: 51. This provider delivers 19× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$187
Transactions
2
Manufacturers
2
Payer (manufacturer) Industry Txns Amount
AstraZeneca Pharmaceuticals Lp 1 $120.00
Intuitive Surgical, INC. 1 $67.42

By nature of payment

Food and Beverage
$187

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
295
Patients
115
Total drug cost
$154,413
Drug Type Claims Patients Total cost
Albuterol Sulfate Hfa (Albuterol Sulfate) Brand 99 45 $3,725
Prednisone Generic 75 40 $373
Trelegy Ellipta (Fluticasone/Umeclidin/Vilanter) Brand 33 11 $32,804
Doxycycline Hyclate Generic 29 19 $667
Breo Ellipta (Fluticasone/Vilanterol) Brand 22 0 $10,498
Azelastine Hcl Generic 15 0 $570
Nucala (Mepolizumab) Brand 11 0 $44,320
Xolair (Omalizumab) Brand 11 0 $61,457

Frequently asked questions

Auto-generated from federal data
What is Dr. James Shaffer's medical specialty?
Dr. James Shaffer practices Critical Care Medicine (Internal Medicine) Physician in Cookeville, TN.
Where does Dr. James Shaffer practice?
Dr. James Shaffer practices at 145 W 4Th St Ste 201, Cookeville, TN 385012476. Office phone: 9317832143.
What is Dr. James Shaffer's NPI?
Dr. James Shaffer's National Provider Identifier (NPI) is 1801859368, issued by NPPES.
Does Dr. James Shaffer accept Medicare assignment?
Yes. Dr. James Shaffer accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. James Shaffer commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Critical care (HCPCS 99291); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.