Doctor profile · Federal record

Dr. Guillermo Ballarino, M.D.

Pulmonary Disease Physician (CMS: Pulmonary Disease) · Critical Care Medicine (Internal Medicine) Physician · Danbury, CT

  • NPI 1386810802
  • Accepts Medicare
  • MIPS 89.1 / 100 · 2023
  • 23 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
24 Hospital Ave
Danbury, CT 068106099
(203) 739-7070

Credentials & registration

NPPES · NUCC
NPI registered
May 2008 — 18 yrs on file
Profile last updated
July 11, 2019
Year of graduation
2003 — 23 yrs since
Specialty taxonomy
207RP1001X — NUCC code
State license (1)
Connecticut #050532

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1386810802. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,250
Distinct HCPCS
10
Medicare allowed
$144,466
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 199 144 $135
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 198 131 $126
99291 Critical care, first 30-74 minutes 166 102 $225
94729 Test to examine how well the lungs exchange gases 83 82 $9
94060 Test to measure expiratory airflow and volume changes before and after medication administration 79 79 $11
94726 Test to determine lung volumes using sensors 79 78 $12
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 59 59 $183
99215 Established patient office or other outpatient visit, 40-54 minutes 53 45 $186
99213 Established patient office or other outpatient visit, 20-29 minutes 50 48 $97
94618 Test for exercise-induced lung stress 44 37 $35

In context: peer comparison

Among 7 peers in Danbury Pulmonary Disease Physician, average services per provider: 63. This provider delivers 20× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$1,043
Transactions
8
Manufacturers
2
Payer (manufacturer) Industry Txns Amount
Medical Device Business Services, INC. 7 $1,018.50
Takeda Pharmaceuticals U.S.A., INC. 1 $24.97

By nature of payment

Travel and Lodging
$837
Food and Beverage
$207

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,253
Patients
420
Total drug cost
$940,692
Drug Type Claims Patients Total cost
Trelegy Ellipta (Fluticasone/Umeclidin/Vilanter) Brand 279 68 $262,371
Anoro Ellipta (Umeclidinium Brm/Vilanterol Tr) Brand 261 66 $175,982
Breo Ellipta (Fluticasone/Vilanterol) Brand 162 41 $89,794
Albuterol Sulfate Hfa (Albuterol Sulfate) Brand 96 53 $4,248
Montelukast Sodium Generic 84 31 $2,192
Azithromycin Generic 66 43 $1,443
Prednisone Generic 57 44 $291
Ventolin Hfa (Albuterol Sulfate) Brand 45 11 $3,457
Arnuity Ellipta (Fluticasone Furoate) Brand 40 14 $15,829
Incruse Ellipta (Umeclidinium Bromide) Brand 36 11 $29,639

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Guillermo Ballarino's medical specialty?
Dr. Guillermo Ballarino practices Pulmonary Disease Physician in Danbury, CT.
Where does Dr. Guillermo Ballarino practice?
Dr. Guillermo Ballarino practices at 24 Hospital Ave, Danbury, CT 068106099. Office phone: 2037397070.
What is Dr. Guillermo Ballarino's NPI?
Dr. Guillermo Ballarino's National Provider Identifier (NPI) is 1386810802, issued by NPPES.
Does Dr. Guillermo Ballarino accept Medicare assignment?
Yes. Dr. Guillermo Ballarino accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Guillermo Ballarino commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Critical care (HCPCS 99291). Source: CMS Medicare Physician & Other Practitioners file.