Doctor profile · Federal record

Dr. Ashley Losier, M.D.

Pulmonary Disease Physician (CMS: Internal Medicine) · Internal Medicine Physician · Critical Care Medicine (Internal Medicine) Physician · Student in an Organized Health Care Education/Training Program · New Haven, CT

  • NPI 1871934661
  • Accepts Medicare
  • MIPS 71.7 / 100 · 2023
  • 13 yrs in practice
  • Female
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
20 York St
New Haven, CT 065103220
(773) 656-6878
Mailing address
333 Cedar St Po Box 208020
New Haven, CT 06510

Credentials & registration

NPPES · NUCC
NPI registered
July 2013 — 13 yrs on file
Profile last updated
July 16, 2019
Year of graduation
2013 — 13 yrs since
Specialty taxonomy
207RP1001X — NUCC code
State license (1)
Connecticut #61880

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1871934661. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
577
Distinct HCPCS
10
Medicare allowed
$45,440
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 72 57 $103
94729 Test to examine how well the lungs exchange gases 69 60 $9
94727 Test to determine lung volumes using gas dilution or washout 64 56 $12
99215 Established patient office or other outpatient visit, 40-54 minutes 63 37 $151
99291 Critical care, first 30-74 minutes 59 34 $225
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 44 29 $126
94375 Test to measure rate of airflow 43 42 $15
99214 Established patient office or other outpatient visit, 30-39 minutes 36 32 $103
94729 Test to examine how well the lungs exchange gases 32 31 $9
94727 Test to determine lung volumes using gas dilution or washout 28 27 $12

In context: peer comparison

Among 25 peers in this city , average services per provider: 57. This provider delivers 10× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$1,304
Transactions
2
Manufacturers
2
Payer (manufacturer) Industry Txns Amount
Electromed, Inc. 1 $1,200.00
Mannkind Corporation 1 $104.20

By nature of payment

Consulting Fee
$1,200
Food and Beverage
$104

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
622
Patients
145
Total drug cost
$212,180
Drug Type Claims Patients Total cost
Albuterol Sulfate Hfa (Albuterol Sulfate) Brand 134 58 $5,054
Stiolto Respimat (Tiotropium Br/Olodaterol Hcl) Brand 94 18 $55,151
Trelegy Ellipta (Fluticasone/Umeclidin/Vilanter) Brand 65 17 $58,428
Anoro Ellipta (Umeclidinium Brm/Vilanterol Tr) Brand 49 0 $25,621
Fluticasone Propionate Generic 41 18 $501
Azithromycin Generic 40 0 $1,605
Montelukast Sodium Generic 31 0 $253
Symbicort (Budesonide/Formoterol Fumarate) Brand 30 12 $14,100
Flovent Hfa (Fluticasone Propionate) Brand 29 11 $8,058
Rifabutin Generic 20 0 $6,066

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Ashley Losier's medical specialty?
Dr. Ashley Losier practices Pulmonary Disease Physician in New Haven, CT.
Where does Dr. Ashley Losier practice?
Dr. Ashley Losier practices at 20 York St, New Haven, CT 065103220. Office phone: 7736566878.
What is Dr. Ashley Losier's NPI?
Dr. Ashley Losier's National Provider Identifier (NPI) is 1871934661, issued by NPPES.
Does Dr. Ashley Losier accept Medicare assignment?
Yes. Dr. Ashley Losier accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Ashley Losier commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Test to examine how well the lungs exchange gases (HCPCS 94729); Test to determine lung volumes using gas dilution or washout (HCPCS 94727). Source: CMS Medicare Physician & Other Practitioners file.