NPPES file of Aug 9, 2026

Valerie Len Ng, MD PHD

Clinical Pathology/Laboratory Medicine Physician · Oakland, CA

Valerie Len Ng, MD PHD is a clinical pathology/laboratory medicine physician with a practice address in Oakland, California, and NPI 1023111481, issued on Sep 7, 2006. Check the license (California A042195, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1023111481
Name
Valerie Len Ng
Credential
MD PHD
Primary taxonomy
Clinical Pathology/Laboratory Medicine Physician 207ZP0105X
License number
A042195 CA
Self-reported in NPPES; status is on the state search
Practice location
C/O Clinical Laboratory, Acmc/highland General Hospital, Oakland, CA 94602
Phone
(510) 437-4671
Enumerated
Sep 7, 2006
Record last updated
Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
Fax
(510) 437-5045
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Verify Valerie Len Ng in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A042195
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the California license search

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The practice group's MIPS final score for 2023 (Medicare payment program): 91 of 100

The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score82.1
  2. Costout of 100 · 30%64.1
  3. Promoting interoperabilityout of 100 · 25%100.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Industry payments in 2024: $17.04

1 payment: food and beverage; the largest payer was Hologic Sales and Service, LLC. The 177 providers of this specialty with any payment received $7,028.16 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Valerie Ng$17.04
  2. Specialty average$7,028.16

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Valerie Len Ng among 131 clinical pathology/laboratory medicine physician records in California

Valerie Len Ng, MD PHD is one of 131 clinical pathology/laboratory medicine physician records with a practice address in California. 36% 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 under 1% of them.

  • NPI issued2006 · under 1% of these records are older, 55% newer
  • In a Medicare fileYes · 36% of these records are
  • In the CMS Doctors and Clinicians fileNo · 31% of these records are
  • Record last updated2007 · 63% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207ZP0105X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Clinical Pathology/Laboratory Medicine Physician providers in California

There are 131 clinical pathology/laboratory medicine physician records in California.

The 8 clinical pathology/laboratory medicine physician records with the nearest ZIP codes

  1. Reynaldo Bayubay, MDVallejo, CA 945891427108232
  2. Gloria AsuncionMartinez, CA 945531659416873
  3. Hye Kyung Kim, MDMartinez, CA 945531841373594
  4. Glen StewartMartinez, CA 945531417016742
  5. Arthur Baca, M.D., PH.D.Alameda, CA 945011326248816
  6. John HunnicuttSan Pablo, CA 948061306997721
  7. Mai Le, M.D.Palo Alto, CA 943061649406737
  8. Laurence Marton, M.D.Palo Alto, CA 943061265678833

Common questions

What is Valerie Len Ng, MD PHD's NPI number?

Valerie Len Ng, MD PHD's National Provider Identifier (NPI) is 1023111481, issued on Sep 7, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Valerie Len Ng, MD PHD located?

The NPPES record lists a practice address at C/O Clinical Laboratory, Acmc/highland General Hospital, Oakland, CA, 94602. Phone: (510) 437-4671. Providers update this record themselves, so call before visiting.

How can I verify Valerie Len Ng, MD PHD's license?

NPPES lists California license number A042195, 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 Valerie Len Ng, MD PHD's MIPS final score?

The 2023 MIPS final score is 91 of 100, reported for the practice group. 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.