Hannah Wallace, MD, MPH
Emergency Medicine Physician · Los Angeles, CA
Hannah Wallace, MD, MPH is an emergency medicine physician with a practice address in Los Angeles, California, and NPI 1447646161, issued on Apr 9, 2015. Check the license (California A148631, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Hannah Wallace
- Credential
- MD, MPH
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License numbers
- A148631 CA
0101266944 VA
ME140712 FL
MD82212 SC
Self-reported in NPPES; status is on the state search - Practice location
- Ucla Emergency Medicine, Los Angeles, CA 90095
- Phone
- (310) 794-0585
- Enumerated
- Apr 9, 2015
- Record last updated
- Jun 6, 2019 (not updated in 7 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20190823000671); accepts Medicare assignment
- Medical or professional school
- University Of Miami, Lm Miller School Of Medicine, 2015
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 7,751 in California → Look up another NPI →
Also registered at Ucla Emergency Medicine
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Carolyn Gates, M.D.Emergency Medicine Physician1770809337
- Adam Gruner, M.D.Emergency Medicine Physician1235524091
- Christopher Katsura, M.D.Emergency Medicine Physician1568704914
- Haleigh Kotter, M.D.Emergency Medicine Physician1184967861
- Michael Merjanian, MDEmergency Medicine Physician1306230776
- Eric Schallert, MDEmergency Medicine Physician1821330887
Verify Hannah Wallace in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A148631Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.1 times the Medicare Part D claims of the average emergency medicine physician in 2024
467 Medicare Part D claims for 294 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. 13 claims were for opioids.
Most prescribed
- Amoxicillin-Clavulanate Potass67 claims
- Doxycycline Hyclate63 claims
- Cefdinir45 claims
- Azithromycin30 claims
- Methylprednisolone23 claims
- Prednisone18 claims
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.
Bills Medicare through one group practice
- Guidewell Emergency Medicine Doctors, LLCWinter Park, FL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Hannah Wallace among 7,751 emergency medicine physician records in California
Hannah Wallace, MD, MPH is one of 7,751 emergency medicine physician records with a practice address in California. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2015, is newer than 72% of them.
- NPI issued2015 · 72% of these records are older, 25% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 59% of these records are
- Graduated2015 · median 2011 among the 4,560 with a school on file
- Record last updated2019 · 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 207P00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Emergency Medicine Physician providers in California
There are 7,751 emergency medicine physician records in California.
All 7,751 in California → Every provider in Los Angeles → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Rebecca Bavolek, MDLos Angeles, CA 900951942407556
- Robert Casey, MDLos Angeles, CA 900951790904597
- Priscilla Hanudel, M.D.Los Angeles, CA 900951902068505
- Gregory Hendey, MDLos Angeles, CA 900951942317391
- Aliasgher Hussain, M.D.Los Angeles, CA 900951699986810
- Amy Peng, M.D.Los Angeles, CA 900951578546479
- Jason Prystowsky, MDLos Angeles, CA 900951669407391
- Robert Rodriguez, MDLos Angeles, CA 900951194769091
Common questions
What is Hannah Wallace, MD, MPH's NPI number?
Hannah Wallace, MD, MPH's National Provider Identifier (NPI) is 1447646161, issued on Apr 9, 2015. An NPI identifies a provider in billing; it is not a license.
Where is Hannah Wallace, MD, MPH located?
The NPPES record lists a practice address at Ucla Emergency Medicine, Los Angeles, CA, 90095. Phone: (310) 794-0585. Providers update this record themselves, so call before visiting.
How can I verify Hannah Wallace, MD, MPH's license?
NPPES lists California license number A148631, 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 Hannah Wallace, MD, MPH prescribe under Medicare Part D?
In 2024, Hannah Wallace, MD, MPH had 467 Medicare Part D claims for 294 beneficiaries; the average among emergency medicine physician prescribers was 226. 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.