David Portier, MD
NPI 1417118639 · Hospitalist Physician · Daly City, CA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
David Portier, MD is a Hospitalist Physician provider in Daly City, CA (NPI 1417118639).
Provider details
- NPI number
- 1417118639
- Entity type
- Individual
- Primary specialty
- Hospitalist PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- A116967 (CA)
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
18 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
76,626 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) |
|---|---|---|
| Management Using the Results of Remote Vital Sign Monitoring Per Calendar Month, Each Additional 20 Minutes99458 | 40,625 | $47 |
| Management Using the Results of Remote Vital Sign Monitoring Per Calendar Month, First 20 Minutes99457 | 15,100 | $60 |
| Remote Monitoring of Physiologic Parameters, Initial Supply of Devices With Daily Recordings Or Programmed Alerts Transmission, Each 30 Days99454 | 12,000 | $66 |
| Initial Nursing Facility Care With Straightforward Or Low Level of Medical Decision Making, Per Day, If Using Time, at Least 25 Minutes99304 | 2,785 | $88 |
| Administration of Psychological Or Neuropsychological Test By Technician, First 30 Minutes96138 | 1,608 | $45 |
| Evaluation of Neuropsychological Test, First Hour |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 205 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 2,094 | 228 |
| Amlodipine Besylate | 1,389 | 136 |
| Tamsulosin Hcl | 867 | 92 |
| Gabapentin | 727 | 101 |
| Apixabanbrand: Eliquis | 649 | 94 |
| Pantoprazole Sodium | 581 | 111 |
| Lisinopril |
Practice location
Mailing address
Registry dates
- Enumerated
- 2008-06-19
- Last updated
- 2022-07-21
Frequently asked questions
- What is David Portier's NPI number?
- David Portier's National Provider Identifier (NPI) is 1417118639, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is David Portier's specialty?
- David Portier is listed in the NPPES registry with a primary specialty of Hospitalist Physician (Allopathic & Osteopathic Physicians).
- Where is David Portier located?
- David Portier's practice location on file with NPPES is 1900 Sullivan Ave, Daly City, CA 94015.
- What is David Portier's phone number?
- The practice phone number listed in the NPPES registry for David Portier is (415) 680-4135.
- Does David Portier accept Medicare?
- David Portier is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is David Portier's NPI active?
- Yes — David Portier's NPI (1417118639) is active in the NPPES registry as of the last update on 2022-07-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.