Karen Halasan, MD
NPI 1508029836 · Pulmonary Disease Physician · Vernon, CT
Enrolled with Medicare as Practitioner - Pulmonary Disease · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Karen Halasan, MD is a Pulmonary Disease Physician provider in Vernon, CT (NPI 1508029836).
Provider details
- NPI number
- 1508029836
- Entity type
- Individual
- Primary specialty
- Pulmonary Disease PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- 052581 (CT)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
17 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
858 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 212 | $133 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 203 | $187 |
| Evaluation of Use of Breathing Device94664 | 76 | $19 |
| Test to Determine Lung Volumes Using Gas Dilution Or Washout94727 | 72 | $47 |
| Test to Examine How Well the Lungs Exchange Gases94729 | 72 | $60 |
| Test for Exercise-Induced Lung Stress94618 | 56 | $35 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 45 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Fluticasone/Umeclidin/Vilanterbrand: Trelegy Ellipta | 1,106 | 221 |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 676 | 245 |
| Montelukast Sodium | 501 | 121 |
| Prednisone | 368 | 133 |
| Azithromycin | 234 | 56 |
| Levocetirizine Dihydrochloride | 210 | 43 |
| Umeclidinium Brm/Vilanterol Tr |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$2,031 across 88 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2008-07-07
- Last updated
- 2023-02-27
- Certified
- 2023-02-27
Frequently asked questions
- What is Karen Halasan's NPI number?
- Karen Halasan's National Provider Identifier (NPI) is 1508029836, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Karen Halasan's specialty?
- Karen Halasan is listed in the NPPES registry with a primary specialty of Pulmonary Disease Physician (Allopathic & Osteopathic Physicians).
- Where is Karen Halasan located?
- Karen Halasan's practice location on file with NPPES is 27 Naek Rd, Vernon, CT 06066-3965.
- What is Karen Halasan's phone number?
- The practice phone number listed in the NPPES registry for Karen Halasan is (860) 875-2444.
- Does Karen Halasan accept Medicare?
- Karen Halasan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Karen Halasan's NPI active?
- Yes — Karen Halasan's NPI (1508029836) is active in the NPPES registry as of the last update on 2023-02-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.