Active NPI 1265758577 Individual Practitioner Female Practitioner

Dr. Lisa Marie Gronski , DO

Internal Medicine • Avon, CT

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

Dr. Lisa Gronski, DO is a certified Internal Medicine practicing in Avon, CT. With approximately 16 years of clinical experience since completing medical education in 2010, Dr. Gronski delivers high-quality medical care to the local community at 339 W MAIN ST.

Dr. Gronski accepts Medicare assignment.

Frequently performed procedures and clinical services include established patient outpatient office visit, osteopathic manipulative treatment, 7-8 body regions, osteopathic manipulative treatment, 5-6 body regions. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

339 W Main St

Avon, CT 060014322

Telephone 8606962150

Fax 8606962160

Associated Practice Facility / Clinic

🏢 Hartford Clinical Associates, Pc Facility NPI 1689954661

Medicare Profile & Education

Medical School

Other

Graduation Year

2010

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Internal Medicine in Avon, CT

Established Specialist (10-20 Yrs)

Practitioner Clinical Experience

16 Yrs -17.4 yrs vs City Avg

City Avg: 33.4 Yrs

State Avg: 30.4 Yrs

Regional Practice Density

16 Specialists

Practicing in Avon, CT (2753 Statewide)

Telehealth Adoption Rate

37.5% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount

2.7% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Gronski (16 Years) 16 Yrs

Avon Specialty Average (33.4 Years) 33.4 Yrs

Performed Procedures & Service Volume

Top Medicare Part B procedures performed by this practitioner

CMS Official Data (2024)

Reporting Year:

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	321	43	$97.05	$94.80
98928 Osteopathic manipulative treatment, 7-8 body regions	188	29	$76.77	$74.16
98927 Osteopathic manipulative treatment, 5-6 body regions	139	36	$63.21	$60.71
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	77	35	$136.70	$133.55
98926 Osteopathic manipulative treatment, 3-4 body regions	51	23	$47.89	$46.74
98929 Osteopathic manipulative treatment, 9-10 body regions	35	12	$89.34	$87.38

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	289	50	$109.89	$96.87
98928 Osteopathic manipulative treatment, 7-8 body regions	124	19	$76.16	$76.20
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	123	81	$253.00	$135.97
98927 Osteopathic manipulative treatment, 5-6 body regions	113	32	$61.84	$61.89
J3301 Injection, triamcinolone acetonide, not otherwise specified, 10 mg	76	11	$11.58	$1.06
98926 Osteopathic manipulative treatment, 3-4 body regions	54	19	$47.89	$47.93
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit	38	38	$450.00	$138.73
20611 Aspiration and/or injection of fluid large joint using ultrasound guidance	19	12	$500.00	$108.86

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	202	71	$161.12	$98.03
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	143	79	$288.38	$138.56
98927 Osteopathic manipulative treatment, 5-6 body regions	77	21	$110.98	$63.22
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit	69	69	$459.28	$142.66
98926 Osteopathic manipulative treatment, 3-4 body regions	41	16	$110.78	$48.59
98928 Osteopathic manipulative treatment, 7-8 body regions	41	11	$94.14	$77.30
G0008 Administration of influenza virus vaccine	22	22	$65.00	$32.09
0124A Fee covid-19 vac 13 res	16	16	$70.00	$42.28
91312 Coronavirus vaccine 13	16	16	$0.01	$0.01
90686 Vaccine for influenza for administration into muscle, 0.5 ml dosage	12	12	$35.00	$20.90
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	11	11	$194.55	$57.80

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	145	84	$310.00	$140.12
99213 Established patient office or other outpatient visit, typically 15 minutes	105	39	$210.00	$100.04
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit	59	59	$470.00	$145.21
98926 Osteopathic manipulative treatment, 3-4 body regions	53	20	$155.00	$48.94
98927 Osteopathic manipulative treatment, 5-6 body regions	51	15	$205.00	$63.95
G0008 Administration of influenza virus vaccine	22	21	$65.00	$18.51
0003A Adm sarscov2 30mcg/0.3ml 3rd	18	18	$70.00	$43.50
90686 Vaccine for influenza for administration into muscle, 0.5 ml dosage	17	16	$35.00	$20.42

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	100	62	$292.00	$117.31
99213 Established patient office or other outpatient visit, typically 15 minutes	82	47	$197.00	$81.10
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit	56	56	$444.00	$127.56
98926 Osteopathic manipulative treatment, 3-4 body regions	40	13	$147.00	$50.10
G0008 Administration of influenza virus vaccine	23	23	$60.00	$18.30
90686 Vaccine for influenza for administration into muscle, 0.5 ml dosage	14	14	$30.00	$19.45
G0009 Administration of pneumococcal vaccine	13	13	$65.00	$18.33

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	126	75	$292.00	$117.50
99213 Established patient office or other outpatient visit, typically 15 minutes	123	55	$197.00	$80.43
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit	45	45	$444.00	$125.91
98926 Osteopathic manipulative treatment, 3-4 body regions	39	16	$147.00	$48.87
90686 Vaccine for influenza for administration into muscle, 0.5 ml dosage	18	18	$30.00	$18.65
G0008 Administration of influenza virus vaccine	18	18	$60.00	$17.96
G0009 Administration of pneumococcal vaccine	14	14	$65.00	$17.96
93000 Routine ekg using at least 12 leads including interpretation and report	14	14	$64.00	$18.65

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	201	78	$197.00	$77.54
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	201	102	$292.00	$115.15
98926 Osteopathic manipulative treatment, 3-4 body regions	63	22	$147.00	$49.16
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit	62	62	$444.00	$125.55
98927 Osteopathic manipulative treatment, 5-6 body regions	41	12	$192.00	$61.08
G0008 Administration of influenza virus vaccine	37	37	$60.00	$22.26
90686 Vaccine for influenza for administration into muscle, 0.5 ml dosage	32	32	$30.00	$18.65
93000 Routine ekg using at least 12 leads including interpretation and report	24	22	$64.00	$18.46
G0009 Administration of pneumococcal vaccine	17	17	$65.00	$22.26

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	209	93	$292.00	$113.46
99213 Established patient office or other outpatient visit, typically 15 minutes	174	74	$189.25	$78.06
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit	52	52	$444.00	$124.34
98926 Osteopathic manipulative treatment, 3-4 body regions	33	14	$147.00	$47.23
93000 Routine ekg using at least 12 leads including interpretation and report	32	32	$63.63	$18.51
90686 Vaccine for influenza for administration into muscle, 0.5 ml dosage	30	29	$30.00	$18.03
G0008 Administration of influenza virus vaccine	29	28	$60.00	$27.77
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	18	18	$295.00	$116.55

Medical Specialties & State Licenses

Internal Medicine Primary Specialty

NUCC Taxonomy Code: 207R00000X

State License CT 054041

A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.

Practice Associates & Co-Workers

Healthcare professionals and specialists practicing at this location or sharing practice phone/fax

14 Associated Practitioners

Lauren Vo , APRN

Nurse Practitioner - Primary Care

NPI 1134674591

Advanced Practice Registered Nurse

Dr. Spencer Erman , MD

Family Medicine

NPI 1144206699

Doctor of Medicine (M.D.)

Nam Nguyen , PA

Physician Assistant - Medical

NPI 1205364270

Physician Assistant

Dr. Marcin Jaremko , MD

Family Medicine

NPI 1396943080

Doctor of Medicine (M.D.)

Michael Shea , APRN-BC

Nurse Practitioner

NPI 1447371596

APRNBC

Renee Dela Chevrotiere

Nurse Practitioner - Family

NPI 1497622179

Career & Practice History Timeline

Chronological log of verified NPI updates, location relocations, credentials, and registry changes

6 Historical Events

✅

NPI Profile Active August 29, 2016

NPI status registered as active in NPPES database

📍

Updated Practice Location August 29, 2016

Registered at 339 W MAIN ST, AVON, CT 060014322 (Tel: 8606962150)

📍

Updated Business Mailing Address August 29, 2016

Registered at 339 W MAIN ST, AVON, CT 060014322 (Tel: 8606962150)

👤

Provider Name / Credentials Updated August 29, 2016

Recorded as LISA GRONSKI, D.O.

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) August 29, 2016

Internal Medicine (License #054041 in CT)

🟢

Initial NPI Registration & Enumeration April 12, 2010

First registered as active Individual Practitioner in NPPES Database.

Patient & Community Reviews

Verified patient ratings, medical care experiences, and facility photos

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NPI Administrative Meta

NPI Number: 1265758577

Entity Type:

Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)

Enumeration Date: April 12, 2010

Last Update: August 29, 2016

Sole Proprietor: No

Update or Correct Profile

Mailing Address

339 W Main St

Avon, CT 060014322

Phone: 8606962150

Public Domain Record This profile contains public domain information published by CMS and NPPES under the Freedom of Information Act (FOIA).

⚠️ Medical Disclaimer

This directory listing is for informational purposes only and does not constitute medical advice, diagnosis, or physician endorsement. If you are experiencing a medical emergency, please call 911 immediately.