Doctor profile · Federal record

Dr. Karen Halasan, MD

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

  • NPI 1508029836
  • Accepts Medicare
  • MIPS 75.0 / 100 · 2023
  • 21 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
27 Naek RD
Vernon, CT 060663965
(860) 875-2444
fax (860) 875-1952
Mailing address
27 Naek RD Ste 2
Vernon, CT 060663965

Credentials & registration

NPPES · NUCC
NPI registered
July 2008 — 18 yrs on file
Profile last updated
February 27, 2023
Year of graduation
2005 — 21 yrs since
Specialty taxonomy
207RP1001X — NUCC code
State license (1)
Connecticut #052581

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1508029836. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,052
Distinct HCPCS
10
Medicare allowed
$111,651
HCPCS Description Services Patients Avg allowed
99215 Established patient office or other outpatient visit, 40-54 minutes 251 159 $187
99214 Established patient office or other outpatient visit, 30-39 minutes 173 136 $133
94664 Evaluation of use of breathing device 96 84 $19
94727 Test to determine lung volumes using gas dilution or washout 85 83 $47
94729 Test to examine how well the lungs exchange gases 85 83 $62
94010 Test to measure expiratory airflow and volume 69 66 $29
94618 Test for exercise-induced lung stress 67 59 $36
99205 New patient office or other outpatient visit, 60-74 minutes 40 40 $231
99291 Critical care, first 30-74 minutes 34 20 $221
94060 Test to measure expiratory airflow and volume changes before and after medication administration 31 31 $42

In context: peer comparison

Among 2 peers in Vernon Pulmonary Disease Physician, average services per provider: 63. This provider delivers 17× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$2,031
Transactions
81
Manufacturers
15
Payer (manufacturer) Industry Txns Amount
GlaxoSmithKline, LLC. 23 $327.02
AstraZeneca Pharmaceuticals Lp 12 $260.12
Actelion Pharmaceuticals US, INC. 4 $193.93
Amgen INC. 8 $188.19
Takeda Pharmaceuticals U.S.A., INC. 6 $178.70
Mallinckrodt Hospital Products INC. 4 $154.51
Pfizer INC. 5 $141.38
Regeneron Healthcare Solutions, INC. 5 $114.79
Genzyme Corporation 3 $53.04
Grifols USA, LLC 3 $51.47
Inspire Medical Systems, INC. 1 $45.25
United Therapeutics Corporation 2 $39.26
Boehringer Ingelheim Pharmaceuticals, INC. 2 $37.56
Jazz Pharmaceuticals INC. 1 $31.08
Inogen, INC. 2 $29.86

By nature of payment

Food and Beverage
$1,842
Education
$189

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
3,717
Patients
1,034
Total drug cost
$1,695,170
Drug Type Claims Patients Total cost
Trelegy Ellipta (Fluticasone/Umeclidin/Vilanter) Brand 876 181 $850,530
Albuterol Sulfate Hfa (Albuterol Sulfate) Brand 592 206 $26,502
Prednisone Generic 466 162 $2,496
Montelukast Sodium Generic 388 101 $5,651
Anoro Ellipta (Umeclidinium Brm/Vilanterol Tr) Brand 249 47 $172,543
Breo Ellipta (Fluticasone/Vilanterol) Brand 204 49 $128,173
Breztri Aerosphere (Budesonide/Glycopyr/Formoterol) Brand 154 44 $121,201
Azithromycin Generic 148 50 $3,215
Levocetirizine Dihydrochloride Generic 144 34 $2,201
Symbicort (Budesonide/Formoterol Fumarate) Brand 114 34 $77,264

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Karen Halasan's medical specialty?
Dr. Karen Halasan practices Pulmonary Disease Physician in Vernon, CT.
Where does Dr. Karen Halasan practice?
Dr. Karen Halasan practices at 27 Naek RD, Vernon, CT 060663965. Office phone: 8608752444.
What is Dr. Karen Halasan's NPI?
Dr. Karen Halasan's National Provider Identifier (NPI) is 1508029836, issued by NPPES.
Does Dr. Karen Halasan accept Medicare assignment?
Yes. Dr. Karen Halasan accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Karen Halasan commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99215); Established patient office or other outpatient visit (HCPCS 99214); Evaluation of use of breathing device (HCPCS 94664). Source: CMS Medicare Physician & Other Practitioners file.