Michael Guarisco, M.D.
NPI 1699830539 · Internal Medicine Physician · Slidell, LA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Michael Guarisco, M.D. is a Internal Medicine Physician provider in Slidell, LA (NPI 1699830539).
Provider details
- NPI number
- 1699830539
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 017682 (LA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Other Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
19 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
269 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
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 .
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 Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 149 | $119 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 53 | $84 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 50 | $120 |
| Transitional Care Management Services for Problem of at Least Moderate Complexity99495 | 17 | $190 |
Typical Medicare-allowed amounts for these services range $84–$190 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 137 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 660 | 194 |
| Amlodipine Besylate | 555 | 154 |
| Levothyroxine Sodium | 387 | 105 |
| Metformin Hcl | 342 | 98 |
| Hydrochlorothiazide | 278 | 85 |
| Alprazolam | 274 | 47 |
| Pantoprazole Sodium |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$346 across 19 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Additional practice locations (1)
- 2645 Oneal LnBldg DBaton Rouge, LA 70816-3179Phone: (225) 926-7200Fax: (225) 706-2182
Registry dates
- Enumerated
- 2006-12-22
- Last updated
- 2025-04-02
- Certified
- 2025-04-02
Frequently asked questions
- What is Michael Guarisco's NPI number?
- Michael Guarisco's National Provider Identifier (NPI) is 1699830539, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Michael Guarisco's specialty?
- Michael Guarisco is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Michael Guarisco located?
- Michael Guarisco's practice location on file with NPPES is 1300 Gause Blvd Ste C4, Slidell, LA 70458-3041.
- What is Michael Guarisco's phone number?
- The practice phone number listed in the NPPES registry for Michael Guarisco is (985) 288-6419.
- Does Michael Guarisco accept Medicare?
- Michael Guarisco is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Michael Guarisco's NPI active?
- Yes — Michael Guarisco's NPI (1699830539) is active in the NPPES registry as of the last update on 2025-04-02.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.