Paolo Zizzo, D.O.
NPI 1396750279 · Internal Medicine Physician · Carlsbad, CA
Enrolled with Medicare as Practitioner - Geriatric Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Paolo Zizzo, D.O. is a Internal Medicine Physician provider in Carlsbad, CA (NPI 1396750279).
Provider details
- NPI number
- 1396750279
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- D.O.
- Sex
- Male
- Sole proprietor
- No
- License
- 20A6835 (CA)
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
19 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
118 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) |
|---|---|---|
| Residence Visit for Established Patient With Moderate Level of Medical Decision Making, Per Day, If Using Time, at Least 40 Minutes99349 | 61 | $131 |
| Residence Visit for Established Patient With High Level of Medical Decision Making, Per Day, If Using Time, at Least 60 Minutes99350 | 19 | $191 |
| Residence Visit for New Patient With High Level of Medical Decision Making, Per Day, If Using Time, at Least 75 Minutes99345 | 13 | $208 |
| Residence Visit for Established Patient With Low Level of Medical Decision Making, Per Day, If Using Time, at Least 30 Minutes99348 | 13 | $79 |
| Transitional Care Management Services for Problem of High Complexity99496 | 12 | $302 |
Typical Medicare-allowed amounts for these services range $79–$302 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, 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 · 28 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Quetiapine Fumarate | 99 | 15 |
| Levothyroxine Sodium | 73 | 14 |
| Furosemide | 55 | — |
| Potassium Chloride | 43 | — |
| Mirtazapine | 41 | — |
| Amlodipine Besylate | 40 | — |
| Escitalopram Oxalate | 37 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-07-30
- Last updated
- 2017-09-20
Frequently asked questions
- What is Paolo Zizzo's NPI number?
- Paolo Zizzo's National Provider Identifier (NPI) is 1396750279, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Paolo Zizzo's specialty?
- Paolo Zizzo is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Paolo Zizzo located?
- Paolo Zizzo's practice location on file with NPPES is 5055 Avenida Encinas, Carlsbad, CA 92008-4375.
- What is Paolo Zizzo's phone number?
- The practice phone number listed in the NPPES registry for Paolo Zizzo is (760) 448-4412.
- Does Paolo Zizzo accept Medicare?
- Paolo Zizzo is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Paolo Zizzo's NPI active?
- Yes — Paolo Zizzo's NPI (1396750279) is active in the NPPES registry as of the last update on 2017-09-20.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.