John G. Louie, M.D.
Family Medicine Physician · Pleasanton, CA
John G. Louie, M.D. is a family medicine physician with a practice address in Pleasanton, California, and NPI 1508866740, issued on Jul 29, 2005. Check the license (California G48591, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- John G. Louie
- Credential
- M.D.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- G48591 CA
Self-reported in NPPES; status is on the state search - Practice location
- 5575 W Las Positas Blvd, Pleasanton, CA 94588
- Phone
- (925) 463-0590
- Enumerated
- Jul 29, 2005
- Record last updated
- Nov 20, 2015 (not updated in 11 years: call before relying on the address or phone)
- Fax
- (925) 847-9532
- Medicaid ID
- 00G485910 CA
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 17,133 in California → Look up another NPI →
Also registered at 5575 W Las Positas Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify John G. Louie in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G48591Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
88% fewer Medicare Part D claims than the average family medicine physician in 2024
418 Medicare Part D claims for 171 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 7% of claims.
Most prescribed
- Atorvastatin Calcium51 claims
- Rosuvastatin Calcium45 claims
- Levothyroxine Sodium29 claims
- Escitalopram Oxalate23 claims
- Amlodipine Besylate15 claims
- Losartan Potassium13 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $302.53
3 payments; by number, the most common kind was food and beverage; the largest payer was GE Healthcare. The 55,478 providers of this specialty with any payment received $902.55 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
John G. Louie among 17,133 family medicine physician records in California
John G. Louie, M.D. is one of 17,133 family medicine physician records with a practice address in California. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 94% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileNo · 62% of these records are
- Record last updated2015 · 58% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
42 family medicine physician records list a practice address in Pleasanton
They are 42 of the 2,213 NPPES records with a practice address in Pleasanton, and 17,133 family medicine physician records in California.
All 17,133 in California → Every provider in Pleasanton → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Jennifer Candelaria, MDPleasanton, CA 945881093934713
- Patricia Carter, M.D.Pleasanton, CA 945881952336968
- Leyla Gahrahmat, M.D.Pleasanton, CA 945881023199890
- Madhu Gupta, M.D.Pleasanton, CA 945881265628473
- Susan Hsu, M.D.Pleasanton, CA 945881679631634
- Meghana Kasetty, MDPleasanton, CA 945881063421592
- Cho Cho Lay, MDPleasanton, CA 945881982681524
- Jonathan Lim, MDPleasanton, CA 945881124028733
Common questions
What is John G. Louie, M.D.'s NPI number?
John G. Louie, M.D.'s National Provider Identifier (NPI) is 1508866740, issued on Jul 29, 2005. An NPI identifies a provider in billing; it is not a license.
Where is John G. Louie, M.D. located?
The NPPES record lists a practice address at 5575 W Las Positas Blvd, Pleasanton, CA, 94588. Phone: (925) 463-0590. Providers update this record themselves, so call before visiting.
How can I verify John G. Louie, M.D.'s license?
NPPES lists California license number G48591, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does John G. Louie, M.D. prescribe under Medicare Part D?
In 2024, John G. Louie, M.D. had 418 Medicare Part D claims for 171 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.