John Y. Low, M.D.
Internal Medicine Physician · San Dimas, CA
John Y. Low, M.D. is an internal medicine physician with a practice address in San Dimas, California, and NPI 1861610057, issued on Apr 23, 2007. Check the license (California G32755, as entered in NPPES) on the Medical Board of California; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- John Y. Low
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- G32755 CA
Self-reported in NPPES; status is on the state search - Practice location
- 400 W Covina Blvd, San Dimas, CA 91773
- Phone
- (909) 592-6411
- Enumerated
- Apr 23, 2007
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (909) 971-5841
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 17,696 in California → Look up another NPI →
Also registered at 400 W Covina Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Maki Kusunaga, NP-CAdult Health Nurse Practitioner1811240179
Verify John Y. Low in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G32755Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
John Y. Low among 17,696 internal medicine physician records in California
John Y. Low, M.D. is one of 17,696 internal medicine physician records with a practice address in California. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2007, is newer than 44% of them.
- NPI issued2007 · 44% of these records are older, 44% newer
- In a Medicare fileNo · 79% of these records are
- In the CMS Doctors and Clinicians fileNo · 63% of these records are
- Record last updated2007 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
9 internal medicine physician records list a practice address in San Dimas
They are 9 of the 942 NPPES records with a practice address in San Dimas, and 17,696 internal medicine physician records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 17,696 in California → Every provider in San Dimas → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Ron Dunchok, MDSan Dimas, CA 917731356331730
- Eki Edwards, M.D.San Dimas, CA 917731629397914
- Raymond Esparza, M.D.San Dimas, CA 917731497717391
- Zouhair Hakak, MDSan Dimas, CA 917731700876323
- Fari Kamalpour, D.O.San Dimas, CA 917731831327972
- Tracy Lin, DOSan Dimas, CA 917731649851718
- Vijay Patel, M.D.San Dimas, CA 917731538250980
- Afshin Saadat, MDSan Dimas, CA 917731508856154
Common questions
What is John Y. Low, M.D.'s NPI number?
John Y. Low, M.D.'s National Provider Identifier (NPI) is 1861610057, issued on Apr 23, 2007. An NPI identifies a provider in billing; it is not a license.
Where is John Y. Low, M.D. located?
The NPPES record lists a practice address at 400 W Covina Blvd, San Dimas, CA, 91773. Phone: (909) 592-6411. Providers update this record themselves, so call before visiting.
How can I verify John Y. Low, M.D.'s license?
NPPES lists California license number G32755, 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.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. 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.