Doctor profile · Federal record

Dr. Hannah Wallace, MD, MPH

Emergency Medicine Physician (CMS: Emergency Medicine) · Emergency Medicine Physician · Emergency Medicine Physician · Student in an Organized Health Care Education/Training Program · Emergency Medicine Physician · Los Angeles, CA

  • NPI 1447646161
  • Accepts Medicare
  • 11 yrs in practice
  • Licensed in 4 states
  • Female
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
UCLA Emergency Medicine, 924 Westwood Blvd, Suite 300
Los Angeles, CA 900950001
(310) 794-0585
Mailing address
601 N Hayworth Ave
Los Angeles, CA 900482303

Credentials & registration

NPPES · NUCC
NPI registered
April 2015 — 11 yrs on file
Profile last updated
June 6, 2019
Year of graduation
2015 — 11 yrs since
Specialty taxonomy
207P00000X — NUCC code
State licenses (4)
Virginia #0101266944 · South Carolina #MD82212 · Florida #ME140712 · California #A148631

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1447646161. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,204
Distinct HCPCS
10
Medicare allowed
$61,659
HCPCS Description Services Patients Avg allowed
J1100 Injection, dexamethasone sodium phosphate, 1 mg 119 13 $0
J0696 Injection, ceftriaxone sodium, per 250 mg 109 26 $1
99203 New patient office or other outpatient visit, 30-44 minutes 93 93 $111
87804 Detection test by immunoassay with direct visual observation for influenza virus 87 49 $16
85025 Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count 75 69 $8
81003 Automated urinalysis test 66 60 $2
99214 Established patient office or other outpatient visit, 30-39 minutes 66 64 $125
99204 New patient office or other outpatient visit, 45-59 minutes 49 49 $162
99213 Established patient office or other outpatient visit, 20-29 minutes 45 45 $88
99215 Established patient office or other outpatient visit, 40-54 minutes 40 37 $175

In context: peer comparison

Among 185 peers in Los Angeles Emergency Medicine Physician, average services per provider: 87. This provider delivers 14× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
383
Patients
375
Total drug cost
$4,291
Drug Type Claims Patients Total cost
Amoxicillin-Clavulanate Potass (Amoxicillin/Potassium Clav) Brand 60 59 $763
Doxycycline Hyclate Generic 53 52 $1,012
Cefdinir Generic 36 35 $946
Prednisone Generic 34 33 $82
Methylprednisolone Generic 31 30 $269
Sulfamethoxazole-Trimethoprim (Sulfamethoxazole/Trimethoprim) Brand 31 31 $202
Paxlovid (Eua) (Nirmatrelvir/Ritonavir) Brand 23 23 $247
Cephalexin Generic 18 16 $84
Famotidine Generic 17 16 $115
Clindamycin Hcl Generic 16 16 $266

Frequently asked questions

Auto-generated from federal data
What is Dr. Hannah Wallace's medical specialty?
Dr. Hannah Wallace practices Emergency Medicine Physician in Los Angeles, CA.
Where does Dr. Hannah Wallace practice?
Dr. Hannah Wallace practices at UCLA Emergency Medicine, Los Angeles, CA 900950001. Office phone: 3107940585.
What is Dr. Hannah Wallace's NPI?
Dr. Hannah Wallace's National Provider Identifier (NPI) is 1447646161, issued by NPPES.
Does Dr. Hannah Wallace accept Medicare assignment?
Yes. Dr. Hannah Wallace accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Hannah Wallace commonly perform?
Top Medicare-reported procedures in 2023: Injection, dexamethasone sodium phosphate, 1 mg (HCPCS J1100); Injection, ceftriaxone sodium, per 250 mg (HCPCS J0696); New patient office or other outpatient visit (HCPCS 99203). Source: CMS Medicare Physician & Other Practitioners file.