John Louie, M.D.
NPI 1508866740 · Family Medicine Physician · Pleasanton, CA
John Louie, M.D. is a Family Medicine Physician provider in Pleasanton, CA (NPI 1508866740).
Provider details
- NPI number
- 1508866740
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- G48591 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
20 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
1 documented practice location
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
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 · 7 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 51 | 42 |
| Rosuvastatin Calcium | 45 | 27 |
| Levothyroxine Sodium | 29 | 18 |
| Escitalopram Oxalate | 23 | — |
| Amlodipine Besylate | 15 | — |
| Losartan Potassium | 13 | — |
| Albuterol Sulfate |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$303 across 3 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2005-07-29
- Last updated
- 2015-11-20
Frequently asked questions
- What is John Louie's NPI number?
- John Louie's National Provider Identifier (NPI) is 1508866740, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Louie's specialty?
- John Louie is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is John Louie located?
- John Louie's practice location on file with NPPES is 5575 W Las Positas Blvd, Pleasanton, CA 94588-5801.
- What is John Louie's phone number?
- The practice phone number listed in the NPPES registry for John Louie is (925) 463-0590.
- Is John Louie's NPI active?
- Yes — John Louie's NPI (1508866740) is active in the NPPES registry as of the last update on 2015-11-20.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.