Grettel Alvarez Lopez, MD
NPI 1811483829 · Family Medicine Physician · South Miami, FL
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Grettel Alvarez Lopez, MD is a Family Medicine Physician provider in South Miami, FL (NPI 1811483829).
Provider details
- NPI number
- 1811483829
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- ME148737 (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
7 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
204 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 Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 93 | $123 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 52 | $158 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 39 | $84 |
| New Patient Office Or Other Outpatient Visit With Low Level of Medical Decision Making, If Using Time, 30 Minutes Or More99203 | 20 | $103 |
Typical Medicare-allowed amounts for these services range $84–$158 (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 · 11 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Fluticasone Propionate | 117 | 115 |
| Azithromycin | 73 | 71 |
| Prednisone | 52 | 50 |
| Diclofenac Sodium | 48 | 40 |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 36 | 35 |
| Amoxicillin/Potassium Clavbrand: Amoxicillin-Clavulanate Potass | 32 | 31 |
| Naproxen | 21 | 21 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2018-07-03
- Last updated
- 2025-10-14
- Certified
- 2025-10-14
Frequently asked questions
- What is Grettel Alvarez Lopez's NPI number?
- Grettel Alvarez Lopez's National Provider Identifier (NPI) is 1811483829, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Grettel Alvarez Lopez's specialty?
- Grettel Alvarez Lopez is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Grettel Alvarez Lopez located?
- Grettel Alvarez Lopez's practice location on file with NPPES is 5975 Sunset Dr Ste 402, South Miami, FL 33143-5198.
- What is Grettel Alvarez Lopez's phone number?
- The practice phone number listed in the NPPES registry for Grettel Alvarez Lopez is (305) 669-2833.
- Does Grettel Alvarez Lopez accept Medicare?
- Grettel Alvarez Lopez is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Grettel Alvarez Lopez's NPI active?
- Yes — Grettel Alvarez Lopez's NPI (1811483829) is active in the NPPES registry as of the last update on 2025-10-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.