Doctor profile · Federal record

Dr. Joseph Mizzell, MD

Critical Care Medicine (Internal Medicine) Physician (CMS: Critical Care (Intensivists)) · Pulmonary Disease Physician · La Jolla, CA

  • NPI 1356480347
  • Accepts Medicare
  • 20 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
9850 Genesee Ave, Suite 780
La Jolla, CA 920371224
(858) 625-7200
fax (858) 625-8363

Credentials & registration

NPPES · NUCC
NPI registered
February 2007 — 19 yrs on file
Profile last updated
July 10, 2013
Year of graduation
2006 — 20 yrs since
Specialty taxonomy
207RC0200X — NUCC code
State license (1)
California #A111893

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1356480347. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
354
Distinct HCPCS
4
Medicare allowed
$57,727
HCPCS Description Services Patients Avg allowed
99291 Critical care, first 30-74 minutes 168 87 $218
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 101 73 $123
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 67 37 $82
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 18 18 $179

In context: peer comparison

Among 7 peers in La Jolla Critical Care Medicine (Internal Medicine) Physician, average services per provider: 120. This provider delivers 3.0× the peer median.

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Joseph Mizzell's medical specialty?
Dr. Joseph Mizzell practices Critical Care Medicine (Internal Medicine) Physician in La Jolla, CA.
Where does Dr. Joseph Mizzell practice?
Dr. Joseph Mizzell practices at 9850 Genesee Ave, La Jolla, CA 920371224. Office phone: 8586257200.
What is Dr. Joseph Mizzell's NPI?
Dr. Joseph Mizzell's National Provider Identifier (NPI) is 1356480347, issued by NPPES.
Does Dr. Joseph Mizzell accept Medicare assignment?
Yes. Dr. Joseph Mizzell accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Joseph Mizzell commonly perform?
Top Medicare-reported procedures in 2023: Critical care (HCPCS 99291); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232). Source: CMS Medicare Physician & Other Practitioners file.