Lisa Ione Backus, MD PHD
Internal Medicine Physician · Palo Alto, CA
Lisa Ione Backus, MD PHD is an internal medicine physician with a practice address in Palo Alto, California, and NPI 1033152285, issued on Jun 14, 2006. Check the license (California A55785, as entered in NPPES) on the Medical Board of California; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Lisa Ione Backus
- Credential
- MD PHD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- A55785 CA
Self-reported in NPPES; status is on the state search - Practice location
- 3801 Miranda Ave, Palo Alto, CA 94304
- Phone
- (650) 493-5000
- Enumerated
- Jun 14, 2006
- Record last updated
- Jul 13, 2026
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 17,696 in California → Look up another NPI →
Also registered at 3801 Miranda Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Steven Abadi, DPMFoot & Ankle Surgery Podiatrist1922729383
- Nidhu Abraham, PHARM.D., BCPSPharmacotherapy Pharmacist1023543717
- Simon Abramson, MDDiagnostic Radiology Physician1609106137
- Christelle Jade AbrenicaInfusion Therapy Registered Nurse1770470411
- Laurie Ackerman, LCSWClinical Social Worker1699797001
- Russell Acob, RNRegistered Nurse1235757154
Verify Lisa Ione Backus in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A55785Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Lisa Ione Backus among 17,696 internal medicine physician records in California
Lisa Ione Backus, MD PHD 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 2006, is newer than 5% of them.
- NPI issued2006 · 5% of these records are older, 56% newer
- In a Medicare fileNo · 79% of these records are
- In the CMS Doctors and Clinicians fileNo · 63% of these records are
- Record last updated2026 · 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).
187 internal medicine physician records list a practice address in Palo Alto
They are 187 of the 7,617 NPPES records with a practice address in Palo Alto, 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 Palo Alto → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Arlina Ahluwalia, MDPalo Alto, CA 943041295723559
- Bankole Asebiomo, MDPalo Alto, CA 943041841301884
- Mina Charon, MDPalo Alto, CA 943041558349266
- Stephen Ezeji-Okoye, M.D.Palo Alto, CA 943041366493595
- Susan Frayne, MD, MPHPalo Alto, CA 943041952314890
- James Hallenbeck, MDPalo Alto, CA 943041316982358
- Rhonda Hamilton, M.D.Palo Alto, CA 943041225063241
- Samina Iqbal, M.D.Palo Alto, CA 943041689697112
Common questions
What is Lisa Ione Backus, MD PHD's NPI number?
Lisa Ione Backus, MD PHD's National Provider Identifier (NPI) is 1033152285, issued on Jun 14, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Lisa Ione Backus, MD PHD located?
The NPPES record lists a practice address at 3801 Miranda Ave, Palo Alto, CA, 94304. Phone: (650) 493-5000. Providers update this record themselves, so call before visiting.
How can I verify Lisa Ione Backus, MD PHD's license?
NPPES lists California license number A55785, 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.