Doctor profile · Federal record

Dr. Michael Sullivan, M.D.

Internal Medicine Physician (CMS: Hospitalist) · Clinical Medical Laboratory · San Diego, CA

  • NPI 1932100807
  • Accepts Medicare
  • 38 yrs in practice
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1835 El Cajon Blvd, Suite B
San Diego, CA 921032591
(619) 692-3977
fax (619) 692-4160
Mailing address
Po Box 638
Solana Beach, CA 920750638

Credentials & registration

NPPES · NUCC
NPI registered
August 2005 — 21 yrs on file
Profile last updated
May 10, 2013
Year of graduation
1988 — 38 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
California #G66543

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1932100807. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
570
Distinct HCPCS
5
Medicare allowed
$67,012
HCPCS Description Services Patients Avg allowed
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 236 103 $123
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 164 76 $82
99239 Hospital discharge day management, more than 30 minutes 88 87 $119
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 67 67 $180
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 15 15 $134

In context: peer comparison

Among 193 peers in this city , average services per provider: 141. This provider delivers 4.0× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
11
Patients
11
Total drug cost
$296
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 11 11 $296

Frequently asked questions

Auto-generated from federal data
What is Dr. Michael Sullivan's medical specialty?
Dr. Michael Sullivan practices Internal Medicine Physician in San Diego, CA.
Where does Dr. Michael Sullivan practice?
Dr. Michael Sullivan practices at 1835 El Cajon Blvd, San Diego, CA 921032591. Office phone: 6196923977.
What is Dr. Michael Sullivan's NPI?
Dr. Michael Sullivan's National Provider Identifier (NPI) is 1932100807, issued by NPPES.
Does Dr. Michael Sullivan accept Medicare assignment?
Yes. Dr. Michael Sullivan accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Michael Sullivan commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Hospital discharge day management (HCPCS 99239). Source: CMS Medicare Physician & Other Practitioners file.