Doctor profile · Federal record

Dr. James Flanagan, D.O.

Pulmonary Disease Physician (CMS: Family Practice) · Internal Medicine Physician · Largo, FL

  • NPI 1124476379
  • Accepts Medicare
  • 10 yrs in practice
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1345 W Bay Dr Ste 205
Largo, FL 337702276
(727) 441-4526
fax (727) 266-4590
Mailing address
201 14Th St Sw
Largo, FL 337703133

Credentials & registration

NPPES · NUCC
NPI registered
May 2016 — 10 yrs on file
Profile last updated
April 20, 2022
Year of graduation
2016 — 10 yrs since
Specialty taxonomy
207RP1001X — NUCC code
State licenses (2)
Florida #OS14948 · Florida #UO4953

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1124476379. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
2,005
Distinct HCPCS
10
Medicare allowed
$307,008
HCPCS Description Services Patients Avg allowed
99291 Critical care, first 30-74 minutes 804 293 $214
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 649 351 $118
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 158 147 $172
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 140 53 $79
76937 Ultrasonic guidance for blood vessel access 45 37 $14
99292 Critical care, each additional 30 minutes 31 24 $108
31622 Diagnostic exam of lung airway using an endoscope 30 23 $129
99239 Hospital discharge day management, more than 30 minutes 28 25 $113
31500 Emergent insertion of breathing tube into windpipe using an endoscope 25 23 $144
36556 Insertion of non-tunneled central venous tube for infusion (5 years or older) 24 21 $85

In context: peer comparison

Among 2 peers in Largo Pulmonary Disease Physician, average services per provider: 113. This provider delivers 18× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$886
Transactions
13
Manufacturers
4
Payer (manufacturer) Industry Txns Amount
Inari Medical, INC. 7 $449.20
Abiomed 4 $306.73
AstraZeneca Pharmaceuticals Lp 1 $105.69
Insmed, INC. 1 $24.77

By nature of payment

Food and Beverage
$886

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
48
Patients
0
Total drug cost
$17,233
Drug Type Claims Patients Total cost
Albuterol Sulfate Hfa (Albuterol Sulfate) Brand 26 0 $1,183
Trelegy Ellipta (Fluticasone/Umeclidin/Vilanter) Brand 22 0 $16,049

Frequently asked questions

Auto-generated from federal data
What is Dr. James Flanagan's medical specialty?
Dr. James Flanagan practices Pulmonary Disease Physician in Largo, FL.
Where does Dr. James Flanagan practice?
Dr. James Flanagan practices at 1345 W Bay Dr Ste 205, Largo, FL 337702276. Office phone: 7274414526.
What is Dr. James Flanagan's NPI?
Dr. James Flanagan's National Provider Identifier (NPI) is 1124476379, issued by NPPES.
Does Dr. James Flanagan accept Medicare assignment?
Yes. Dr. James Flanagan accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. James Flanagan commonly perform?
Top Medicare-reported procedures in 2023: Critical care (HCPCS 99291); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Initial hospital care with moderate level of medical decision making (HCPCS 99223). Source: CMS Medicare Physician & Other Practitioners file.