Ashley Losier, M.D.
NPI 1871934661 · Pulmonary Disease Physician · New Haven, CT
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Ashley Losier, M.D. is a Pulmonary Disease Physician provider in New Haven, CT (NPI 1871934661).
Provider details
- NPI number
- 1871934661
- Entity type
- Individual
- Primary specialty
- Pulmonary Disease PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- Yes
- License
- 61880 (CT)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
13 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
619 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 High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 77 | $153 |
| Test to Measure Rate of Airflow94375 | 75 | $14 |
| Test to Examine How Well the Lungs Exchange Gases94729 | 74 | $9 |
| Test to Determine Lung Volumes Using Gas Dilution Or Washout94727 | 68 | $12 |
| Critical Care, First 30-74 Minutes99291 | 65 | $217 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 53 | $106 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 18 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 141 | 66 |
| Tiotropium Br/Olodaterol Hclbrand: Stiolto Respimat | 90 | 19 |
| Fluticasone/Umeclidin/Vilanterbrand: Trelegy Ellipta | 73 | 15 |
| Umeclidinium Brm/Vilanterol Trbrand: Anoro Ellipta | 63 | 11 |
| Azithromycin | 45 | — |
| Ethambutol Hcl | 45 | — |
| Tiotropium Bromide |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,304 across 2 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
- 2013-07-10
- Last updated
- 2019-07-16
Frequently asked questions
- What is Ashley Losier's NPI number?
- Ashley Losier's National Provider Identifier (NPI) is 1871934661, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ashley Losier's specialty?
- Ashley Losier is listed in the NPPES registry with a primary specialty of Pulmonary Disease Physician (Allopathic & Osteopathic Physicians).
- Where is Ashley Losier located?
- Ashley Losier's practice location on file with NPPES is 20 York St, New Haven, CT 06510-3220.
- What is Ashley Losier's phone number?
- The practice phone number listed in the NPPES registry for Ashley Losier is (773) 656-6878.
- Does Ashley Losier accept Medicare?
- Ashley Losier is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Ashley Losier's NPI active?
- Yes — Ashley Losier's NPI (1871934661) is active in the NPPES registry as of the last update on 2019-07-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.