Doctor profile · Federal record

Dr. Lisa Gronski, D.O.

Internal Medicine Physician (CMS: Internal Medicine) · Avon, CT

  • NPI 1265758577
  • Accepts Medicare
  • MIPS 89.3 / 100 · 2023
  • 16 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
339 W Main St
Avon, CT 060014322
(860) 696-2150
fax (860) 696-2160

Credentials & registration

NPPES · NUCC
NPI registered
April 2010 — 16 yrs on file
Profile last updated
August 29, 2016
Year of graduation
2010 — 16 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
Connecticut #054041

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1265758577. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
836
Distinct HCPCS
8
Medicare allowed
$71,172
HCPCS Description Services Patients Avg allowed
99213 Established patient office or other outpatient visit, 20-29 minutes 289 50 $97
98928 Osteopathic manipulative treatment, 7-8 body regions 124 19 $76
99214 Established patient office or other outpatient visit, 30-39 minutes 123 81 $136
98927 Osteopathic manipulative treatment, 5-6 body regions 113 32 $62
J3301 Injection, triamcinolone acetonide, not otherwise specified, 10 mg 76 11 $1
98926 Osteopathic manipulative treatment, 3-4 body regions 54 19 $48
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 38 38 $139
20611 Aspiration and/or injection of fluid large joint using ultrasound guidance 19 12 $109

In context: peer comparison

Among 5 peers in Avon Internal Medicine Physician, average services per provider: 101. This provider delivers 8.3× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
817
Patients
246
Total drug cost
$10,664
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 113 40 $1,734
Levothyroxine Sodium Generic 109 36 $1,934
Rosuvastatin Calcium Generic 102 38 $1,621
Losartan Potassium Generic 98 27 $1,034
Amlodipine Besylate Generic 72 27 $734
Lisinopril Generic 40 15 $411
Omeprazole Generic 40 13 $483
Simvastatin Generic 39 0 $331
Metoprolol Succinate Generic 37 11 $587
Hydrochlorothiazide Generic 33 14 $161

Frequently asked questions

Auto-generated from federal data
What is Dr. Lisa Gronski's medical specialty?
Dr. Lisa Gronski practices Internal Medicine Physician in Avon, CT.
Where does Dr. Lisa Gronski practice?
Dr. Lisa Gronski practices at 339 W Main St, Avon, CT 060014322. Office phone: 8606962150.
What is Dr. Lisa Gronski's NPI?
Dr. Lisa Gronski's National Provider Identifier (NPI) is 1265758577, issued by NPPES.
Does Dr. Lisa Gronski accept Medicare assignment?
Yes. Dr. Lisa Gronski accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Lisa Gronski commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Osteopathic manipulative treatment, 7-8 body regions (HCPCS 98928); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.