Derek Lafarga, MD
NPI 1629697529 · Hospitalist Physician · Sun City, AZ
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Derek Lafarga, MD is a Hospitalist Physician provider in Sun City, AZ (NPI 1629697529).
Provider details
- NPI number
- 1629697529
- Entity type
- Individual
- Primary specialty
- Hospitalist PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 67221 (AZ)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
6 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
854 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 | 511 | $113 |
| Hospital Discharge Day Management, More Than 30 Minutes99239 | 168 | $108 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 101 | $162 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 49 | $75 |
| Critical Care, First 30-74 Minutes99291 | 25 | $186 |
Typical Medicare-allowed amounts for these services range $75–$186 (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 |
|---|---|---|
| Amoxicillin/Potassium Clavbrand: Amoxicillin-Clavulanate Potass | 35 | 35 |
| Pantoprazole Sodium | 30 | 30 |
| Prednisone | 29 | 28 |
| Furosemide | 20 | 19 |
| Atorvastatin Calcium | 18 | 14 |
| Amlodipine Besylate | 16 | 12 |
| Ciprofloxacin Hcl | 15 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2020-04-10
- Last updated
- 2023-07-18
- Certified
- 2023-07-18
Frequently asked questions
- What is Derek Lafarga's NPI number?
- Derek Lafarga's National Provider Identifier (NPI) is 1629697529, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Derek Lafarga's specialty?
- Derek Lafarga is listed in the NPPES registry with a primary specialty of Hospitalist Physician (Allopathic & Osteopathic Physicians).
- Where is Derek Lafarga located?
- Derek Lafarga's practice location on file with NPPES is 10401 W Thunderbird Blvd, Sun City, AZ 85351-3004.
- What is Derek Lafarga's phone number?
- The practice phone number listed in the NPPES registry for Derek Lafarga is (623) 832-4728.
- Does Derek Lafarga accept Medicare?
- Derek Lafarga is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Derek Lafarga's NPI active?
- Yes — Derek Lafarga's NPI (1629697529) is active in the NPPES registry as of the last update on 2023-07-18.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.