NPPES file of Aug 9, 2026

Ann Margaretha Lowe, M.D.

Medical Oncology Physician · Palo Alto, CA

Ann Margaretha Lowe, M.D. is a medical oncology physician with a practice address in Palo Alto, California, and NPI 1013278811, issued on Jun 7, 2012. Check the license (California G50075, as entered in NPPES) on the Medical Board of California; the federal record below is the public data PlainDoctor holds for this provider.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1013278811
Name
Ann Margaretha Lowe
Credential
M.D.
Primary taxonomy
Medical Oncology Physician 207RX0202X
License number
G50075 CA
Self-reported in NPPES; status is on the state search
Practice location
420 Cambridge Ave, Palo Alto, CA 94306
Phone
(650) 323-6614
Enumerated
Jun 7, 2012
Record last updated
Jun 7, 2012 (not updated in 14 years: call before relying on the address or phone)
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 Ann Margaretha Lowe in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license G50075
    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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Ann Margaretha Lowe among 447 medical oncology physician records in California

Ann Margaretha Lowe, M.D. is one of 447 medical oncology physician records with a practice address in California. 82% 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 2012, is newer than 72% of them.

  • NPI issued2012 · 72% of these records are older, 23% newer
  • In a Medicare fileNo · 82% of these records are
  • In the CMS Doctors and Clinicians fileNo · 70% of these records are
  • Record last updated2012 · 41% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RX0202X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Medical Oncology Physician providers in California

There are 447 medical oncology physician records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

The 8 medical oncology physician records with the nearest ZIP codes

  1. Pamela Basto, MD, PHDStanford, CA 943051194221903
  2. Amina Chaudhry, MDStanford, CA 943051336679166
  3. James Dickerson, MDStanford, CA 943051851897813
  4. Timothy Ellis-Caleo, MDStanford, CA 943051891258737
  5. Jordan Goldstein, MDStanford, CA 943051295231603
  6. Mengni Guo, MDStanford, CA 943051811525637
  7. Maximilian Julve, MDStanford, CA 943051659220671
  8. Jonathan Lee, MDStanford, CA 943051083234074

Common questions

What is Ann Margaretha Lowe, M.D.'s NPI number?

Ann Margaretha Lowe, M.D.'s National Provider Identifier (NPI) is 1013278811, issued on Jun 7, 2012. An NPI identifies a provider in billing; it is not a license.

Where is Ann Margaretha Lowe, M.D. located?

The NPPES record lists a practice address at 420 Cambridge Ave, Palo Alto, CA, 94306. Phone: (650) 323-6614. Providers update this record themselves, so call before visiting.

How can I verify Ann Margaretha Lowe, M.D.'s license?

NPPES lists California license number G50075, 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.