Doctor profile · Federal record

Dr. John Horning, MD

Emergency Medicine Physician (CMS: Emergency Medicine) · Emergency Medicine Physician · San Bruno, CA

  • NPI 1033148523
  • Accepts Medicare
  • 33 yrs in practice
  • Licensed in 2 states
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
841 San Bruno Ave W Ste 100
San Bruno, CA 940663443
(415) 300-4436
fax (415) 367-1514
Mailing address
321 Potrero Ave Ste A
San Francisco, CA 941034816

Credentials & registration

NPPES · NUCC
NPI registered
June 2006 — 20 yrs on file
Profile last updated
July 8, 2022
Year of graduation
1993 — 33 yrs since
Specialty taxonomy
207P00000X — NUCC code
State licenses (2)
California #G85580 · Montana #33421
Medicaid
CA #8256638

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1033148523. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
913
Distinct HCPCS
6
Medicare allowed
$67,967
HCPCS Description Services Patients Avg allowed
90480 Admn sarscov2 vacc 1 dose 309 309 $48
91320 Sarscv2 vac 30mcg trs-suc im 229 229 $128
G0008 Administration of influenza virus vaccine 150 150 $36
90694 Influenza vaccine, quadrivalent inactivated, 0.5 ml dosage 76 76 $76
90686 Influenza vaccine, quadrivalent, preservative free, 0.5 ml dosage 75 75 $22
91304 Severe acute respiratory syndrome coronavirus 2 (covid-19) vaccine, recombinant spike protein nanoparticle, saponin-based adjuvant, preservative free, 5 mcg/0.5ml dosage, for intramuscular use 74 74 $145

In context: peer comparison

Among 3 peers in San Bruno Emergency Medicine Physician, average services per provider: 73. This provider delivers 13× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. John Horning's medical specialty?
Dr. John Horning practices Emergency Medicine Physician in San Bruno, CA.
Where does Dr. John Horning practice?
Dr. John Horning practices at 841 San Bruno Ave W Ste 100, San Bruno, CA 940663443. Office phone: 4153004436.
What is Dr. John Horning's NPI?
Dr. John Horning's National Provider Identifier (NPI) is 1033148523, issued by NPPES.
Does Dr. John Horning accept Medicare assignment?
Yes. Dr. John Horning accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. John Horning commonly perform?
Top Medicare-reported procedures in 2023: Admn sarscov2 vacc 1 dose (HCPCS 90480); Sarscv2 vac 30mcg trs-suc im (HCPCS 91320); Administration of influenza virus vaccine (HCPCS G0008). Source: CMS Medicare Physician & Other Practitioners file.