Lisa Gronski, D.O.
NPI 1265758577 · Internal Medicine Physician · Avon, CT
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Lisa Gronski, D.O. is a Internal Medicine Physician provider in Avon, CT (NPI 1265758577).
Provider details
- NPI number
- 1265758577
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- D.O.
- Sex
- Female
- Sole proprietor
- No
- License
- 054041 (CT)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
16 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
811 Medicare services, 2024 (ranked within specialty)
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 methodology.
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 Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 321 | $95 |
| Osteopathic Manipulative Treatment, 7-8 Body Regions98928 | 188 | $74 |
| Osteopathic Manipulative Treatment, 5-6 Body Regions98927 | 139 | $61 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 77 | $134 |
| Osteopathic Manipulative Treatment, 3-4 Body Regions98926 | 51 | $47 |
| Osteopathic Manipulative Treatment, 9-10 Body Regions98929 | 35 | $87 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 3 distinct drugs on file.
| Drug | Part D claims (2024) |
|---|---|
| Simvastatin | 18 |
| Pantoprazole Sodium | 12 |
| Furosemide | 11 |
Medicare Part D only. These counts cover prescriptions paid through Medicare Part D in 2024 — they do notinclude cash-pay, commercial-insurance, Medicaid, or Part B–administered drugs, and badly undercount high cash-pay categories (e.g. GLP-1 weight-loss, testosterone, and ED medications). Any drug with 10 or fewer claims is omitted by CMS, and beneficiary counts under 11 are suppressed — so a missing drug means no Part D record, never zero. This is a factual claims summary, not an endorsement, not medical advice, and not a consumer report. Source: CMS Medicare Part D Prescribers — by Provider and Drug.
Practice location
Mailing address
Registry dates
- Enumerated
- 2010-04-12
- Last updated
- 2016-08-29
Frequently asked questions
- What is Lisa Gronski's NPI number?
- Lisa Gronski's National Provider Identifier (NPI) is 1265758577, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Lisa Gronski's specialty?
- Lisa Gronski is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Lisa Gronski located?
- Lisa Gronski's practice location on file with NPPES is 339 W Main St, Avon, CT 06001-4322.
- What is Lisa Gronski's phone number?
- The practice phone number listed in the NPPES registry for Lisa Gronski is (860) 696-2150.
- Does Lisa Gronski accept Medicare?
- Lisa Gronski is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Lisa Gronski's NPI active?
- Yes — Lisa Gronski's NPI (1265758577) is active in the NPPES registry as of the last update on 2016-08-29.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.