Jason Portillo, M.D.
NPI 1427329176 · Hospitalist Physician · Harbor City, CA
Enrolled with Medicare as Practitioner - Hospitalist · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Jason Portillo, M.D. is a Hospitalist Physician provider in Harbor City, CA (NPI 1427329176).
Provider details
- NPI number
- 1427329176
- Entity type
- Individual
- Primary specialty
- Hospitalist PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
14 yrs in NPPES registry
- Profile completeness38% of score
83% of core fields populated
- Practice footprint23% of score
1 documented practice location
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 prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 11 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Furosemide | 20 | 19 |
| Cefpodoxime Proxetil | 18 | 18 |
| Naloxone Hcl | 16 | 16 |
| Ondansetronbrand: Ondansetron Odt | 16 | 15 |
| Amlodipine Besylate | 14 | 14 |
| Prednisone | 14 | 14 |
| Apixabanbrand: Eliquis | 13 | 11 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2012-01-25
- Last updated
- 2021-11-04
- Certified
- 2021-11-04
Frequently asked questions
- What is Jason Portillo's NPI number?
- Jason Portillo's National Provider Identifier (NPI) is 1427329176, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Jason Portillo's specialty?
- Jason Portillo is listed in the NPPES registry with a primary specialty of Hospitalist Physician (Allopathic & Osteopathic Physicians).
- Where is Jason Portillo located?
- Jason Portillo's practice location on file with NPPES is 25825 Vermont Ave, Harbor City, CA 90710-3518.
- What is Jason Portillo's phone number?
- The practice phone number listed in the NPPES registry for Jason Portillo is (310) 257-6413.
- Does Jason Portillo accept Medicare?
- Jason Portillo is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Jason Portillo's NPI active?
- Yes — Jason Portillo's NPI (1427329176) is active in the NPPES registry as of the last update on 2021-11-04.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.