Doctor profile · Federal record

Dr. Lynne Hillis, M.D.

Internal Medicine Physician (CMS: Internal Medicine) · New Haven, CT

  • NPI 1558367359
  • Accepts Medicare
  • MIPS 82.4 / 100 · 2023
  • 38 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1453 Whalley Ave
New Haven, CT 065151153
(203) 389-4111
fax (203) 889-4953

Credentials & registration

NPPES · NUCC
NPI registered
June 2005 — 21 yrs on file
Profile last updated
May 27, 2021
Year of graduation
1988 — 38 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
Connecticut #031055
Medicaid
CT #0013110557

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1558367359. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
919
Distinct HCPCS
10
Medicare allowed
$73,659
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 203 140 $136
99348 Residence visit for established patient with low level of medical decision making, per day, if using time, at least 30 minutes 99 63 $80
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 90 90 $138
G0444 Annual depression screening, 5 to 15 minutes 84 84 $20
99213 Established patient office or other outpatient visit, 20-29 minutes 81 62 $95
G0180 Physician or allowed practitioner certification for medicare-covered home health services under a home health plan of care (patient not present), including contacts with home health agency and review of reports of patient status required by physicians and 79 65 $56
G0179 Physician or allowed practitioner re-certification for medicare-covered home health services under a home health plan of care (patient not present), including contacts with home health agency and review of reports of patient status required by physicians a 62 41 $45
93000 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report 45 41 $16
83036 Hemoglobin a1c level 41 32 $10
99349 Residence visit for established patient with moderate level of medical decision making, per day, if using time, at least 40 minutes 36 30 $134

In context: peer comparison

Among 66 peers in this city , average services per provider: 73. This provider delivers 13× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
3,273
Patients
761
Total drug cost
$44,336
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 445 87 $5,905
Amlodipine Besylate Generic 405 102 $3,361
Levothyroxine Sodium Generic 371 71 $5,116
Escitalopram Oxalate Generic 232 50 $3,610
Losartan Potassium Generic 230 57 $3,085
Rosuvastatin Calcium Generic 229 61 $8,121
Metoprolol Succinate Generic 200 43 $3,095
Furosemide Generic 172 45 $828
Hydrochlorothiazide Generic 158 43 $660
Alprazolam Generic 153 44 $818

Frequently asked questions

Auto-generated from federal data
What is Dr. Lynne Hillis's medical specialty?
Dr. Lynne Hillis practices Internal Medicine Physician in New Haven, CT.
Where does Dr. Lynne Hillis practice?
Dr. Lynne Hillis practices at 1453 Whalley Ave, New Haven, CT 065151153. Office phone: 2033894111.
What is Dr. Lynne Hillis's NPI?
Dr. Lynne Hillis's National Provider Identifier (NPI) is 1558367359, issued by NPPES.
Does Dr. Lynne Hillis accept Medicare assignment?
Yes. Dr. Lynne Hillis accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Lynne Hillis commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Residence visit for established patient with low level of medical decision making (HCPCS 99348); Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (HCPCS G0439). Source: CMS Medicare Physician & Other Practitioners file.