NPPES file of Aug 9, 2026

Sandra Louise Wallace, MD

Infectious Disease Physician · Pasadena, CA

Sandra Louise Wallace, MD is an infectious disease physician with a practice address in Pasadena, California, and NPI 1235140930, issued on Aug 10, 2006. Check the license (California G403910, 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 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1235140930
Name
Sandra Louise Wallace
Credential
MD
Primary taxonomy
Infectious Disease Physician 207RI0200X
License number
G403910 CA
Self-reported in NPPES; status is on the state search
Practice location
50 Alessandro PL, Pasadena, CA 91105
Phone
(626) 793-6133
Enumerated
Aug 10, 2006
Record last updated
Feb 7, 2011 (not updated in 15 years: call before relying on the address or phone)
Fax
(626) 793-6135
Medicaid ID
00G403910 CA
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.
Download card Updates feed

Also registered at 50 Alessandro PL

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Ebenezer Ajilore, M.D.Obstetrics & Gynecology Physician1891787537
  2. Ihab Beblawi, M.D.Gastroenterology Physician1942272075
  3. David Bryan, M.D.Diagnostic Radiology Physician1336138791
  4. Andrew Cotham, PTPhysical Therapist1023368891
  5. Kalman Edelman, M.D.Gastroenterology Physician1164494811
  6. Muhammad Iqbal, M.D.Nephrology Physician1578515896

Verify Sandra Louise Wallace in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license G403910
    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

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

Is this page about you? You can ask us to correct, restrict or remove it: how.

98% fewer Medicare Part D claims than the average infectious disease physician in 2024

12 Medicare Part D claims, against an average of 689 among the 7,388 providers of this specialty who prescribed in Part D.

  1. Sandra Wallace12
  2. Specialty average689

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Sandra Louise Wallace among 1,119 infectious disease physician records in California

Sandra Louise Wallace, MD is one of 1,119 infectious disease 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. Its NPI, issued in 2006, is newer than 4% of them.

  • NPI issued2006 · 4% of these records are older, 54% newer
  • In a Medicare fileYes · 79% of these records are
  • In the CMS Doctors and Clinicians fileNo · 66% of these records are
  • Record last updated2011 · 59% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RI0200X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Infectious Disease Physician providers in California

There are 1,119 infectious disease physician records in California.

The 8 infectious disease physician records with the nearest ZIP codes

  1. Luong Ly, MDPasadena, CA 911051538101670
  2. David Man, MDPasadena, CA 911051366450637
  3. Mark Miller, M.D.Pasadena, CA 911051881647139
  4. Steven Pavkovic, MDPasadena, CA 911051205918422
  5. Kimberly Shriner, MDPasadena, CA 911051003926882
  6. Sara Sirajuddin, M.D.Pasadena, CA 911051568706059
  7. Elisa Chang, M.D.Pasadena, CA 911061811284193
  8. David Delbello, M.D.Pasadena, CA 911061790988269

Common questions

What is Sandra Louise Wallace, MD's NPI number?

Sandra Louise Wallace, MD's National Provider Identifier (NPI) is 1235140930, issued on Aug 10, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Sandra Louise Wallace, MD located?

The NPPES record lists a practice address at 50 Alessandro PL, Pasadena, CA, 91105. Phone: (626) 793-6133. Providers update this record themselves, so call before visiting.

How can I verify Sandra Louise Wallace, MD's license?

NPPES lists California license number G403910, 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.

How much does Sandra Louise Wallace, MD prescribe under Medicare Part D?

In 2024, Sandra Louise Wallace, MD had 12 Medicare Part D claims; the average among infectious disease physician prescribers was 689. Part D covers Medicare prescriptions only.

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.