Denise Harnois, DO
NPI 1710976683 · Gastroenterology Physician · Jacksonville, FL
Enrolled with Medicare as Practitioner - Gastroenterology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Denise Harnois, DO is a Gastroenterology Physician provider in Jacksonville, FL (NPI 1710976683).
Provider details
- NPI number
- 1710976683
- Entity type
- Individual
- Primary specialty
- Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Credential
- DO
- Sex
- Female
- Sole proprietor
- No
- License
- OS7819 (FL)
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
20 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
374 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) |
|---|---|---|
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 102 | $115 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 64 | $125 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 57 | $77 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 50 | $174 |
| Biopsy of Large Bowel Using a Flexible Endoscope45380 | 25 | $156 |
| Hospital Discharge Day Management, More Than 30 Minutes |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 22 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Tacrolimus | 153 | 44 |
| Pantoprazole Sodium | 107 | 25 |
| Ursodiol | 104 | 29 |
| Rifaximinbrand: Xifaxan | 57 | 13 |
| Sulfamethoxazole/Trimethoprimbrand: Sulfamethoxazole-Trimethoprim | 53 | 17 |
| Spironolactone | 48 | 19 |
| Lactulose | 40 | 15 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2005-10-13
- Last updated
- 2020-08-31
- Certified
- 2020-08-31
Frequently asked questions
- What is Denise Harnois's NPI number?
- Denise Harnois's National Provider Identifier (NPI) is 1710976683, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Denise Harnois's specialty?
- Denise Harnois is listed in the NPPES registry with a primary specialty of Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is Denise Harnois located?
- Denise Harnois's practice location on file with NPPES is 4500 San Pablo Rd S, Jacksonville, FL 32224-1865.
- What is Denise Harnois's phone number?
- The practice phone number listed in the NPPES registry for Denise Harnois is (904) 953-2000.
- Does Denise Harnois accept Medicare?
- Denise Harnois is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Denise Harnois's NPI active?
- Yes — Denise Harnois's NPI (1710976683) is active in the NPPES registry as of the last update on 2020-08-31.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.