Darren Pakying Lum, M.D.
Diagnostic Radiology Physician · Stanford, CA
Darren Pakying Lum, M.D. is a diagnostic radiology physician with a practice address in Stanford, California, and NPI 1528011806, issued on May 18, 2006. Check the license (California C194302, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Darren Pakying Lum
- Credential
- M.D.
- Primary taxonomy
- Diagnostic Radiology Physician 2085R0202X
- License numbers
- C194302 CA
MD-14773 HI
Self-reported in NPPES; status is on the state search - Practice location
- 300 Pasteur Dr, Stanford, CA 94305
- Phone
- (650) 723-4000
- Enumerated
- May 18, 2006
- Record last updated
- Mar 12, 2025
- Fax
- (808) 536-3008
- Medicaid IDs
- 1528011806 MN
619471 HI - Medicare enrollment
- Enrolled (PECOS I20240610003812); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest diagnostic radiology physician records → All 4,500 in California → Look up another NPI →
Also registered at 300 Pasteur Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Darren Pakying Lum in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license C194302Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
The MIPS final score for 2023 (Medicare payment program): 94.2 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
3 hospitals and group practices
- Stanford Health CareStanford, CA · Acute Care Hospitals5 of 5 stars
- Lambert Radiology Medical Group IncMountain View, CA
- Queens University Medical GroupMountain View, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
Darren Pakying Lum among 4,500 diagnostic radiology physician records in California
Darren Pakying Lum, M.D. is one of 4,500 diagnostic radiology physician records with a practice address in California. 74% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 7% of them.
- NPI issued2006 · 7% of these records are older, 52% newer
- In a Medicare fileYes · 74% of these records are
- In the CMS Doctors and Clinicians fileYes · 70% of these records are
- Graduated2002 · median 2004 among the 3,130 with a school on file
- Record last updated2025 · 60% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2085R0202X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
235 diagnostic radiology physician records list a practice address in Stanford
They are 235 of the 5,606 NPPES records with a practice address in Stanford, and 4,500 diagnostic radiology physician records in California.
All 4,500 in California → Every provider in Stanford → Diagnostic Radiology Physician nationwide →
The 8 diagnostic radiology physician records with the nearest ZIP codes
- Robert Boutin, MDStanford, CA 943051922088236
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- Aaron Hayashi, MDStanford, CA 943051336104082
- Kathy Keller, MDStanford, CA 943051255395257
- Mayil Krishnam, MDStanford, CA 943051467481192
- Curtis Langlotz, MD PHDStanford, CA 943051538105077
- Leon Lenchik, MDStanford, CA 943051871578336
- Ragu Nathan, MDStanford, CA 943051467413344
Common questions
What is Darren Pakying Lum, M.D.'s NPI number?
Darren Pakying Lum, M.D.'s National Provider Identifier (NPI) is 1528011806, issued on May 18, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Darren Pakying Lum, M.D. located?
The NPPES record lists a practice address at 300 Pasteur Dr, Stanford, CA, 94305. Phone: (650) 723-4000. Providers update this record themselves, so call before visiting.
How can I verify Darren Pakying Lum, M.D.'s license?
NPPES lists California license number C194302, 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.
What is Darren Pakying Lum, M.D.'s MIPS final score?
The 2023 MIPS final score is 94.2 of 100. The average among 454,083 clinicians with a measured score was 83.5.
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.