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.
- 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
8 nearest infectious disease physician records → All 1,119 in California → Look up another NPI →
Also registered at 50 Alessandro PL
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Kalman Edelman, M.D.Gastroenterology Physician1164494811
- Muhammad Iqbal, M.D.Nephrology Physician1578515896
Verify Sandra Louise Wallace in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G403910Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
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.
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.
All 1,119 in California → Every provider in Pasadena → Infectious Disease Physician nationwide →
The 8 infectious disease physician records with the nearest ZIP codes
- Luong Ly, MDPasadena, CA 911051538101670
- David Man, MDPasadena, CA 911051366450637
- Mark Miller, M.D.Pasadena, CA 911051881647139
- Steven Pavkovic, MDPasadena, CA 911051205918422
- Kimberly Shriner, MDPasadena, CA 911051003926882
- Sara Sirajuddin, M.D.Pasadena, CA 911051568706059
- Elisa Chang, M.D.Pasadena, CA 911061811284193
- 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.