Doctor profile · Federal record

Dr. Gregory Ingolia, MD

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

  • NPI 1548790520
  • Accepts Medicare
  • 9 yrs in practice
  • Licensed in 2 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
200 W Arbor Dr
San Diego, CA 921039000
(800) 926-8273
fax (888) 539-8781
Mailing address
Po Box 232410
San Diego, CA 921932410

Credentials & registration

NPPES · NUCC
NPI registered
June 2017 — 9 yrs on file
Profile last updated
December 10, 2020
Year of graduation
2017 — 9 yrs since
Specialty taxonomy
208M00000X — NUCC code
State licenses (2)
California #A170645 · Illinois #125.071148

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1548790520. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
258
Distinct HCPCS
5
Medicare allowed
$33,641
HCPCS Description Services Patients Avg allowed
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 78 75 $183
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 77 32 $83
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 77 35 $125
99239 Hospital discharge day management, more than 30 minutes 15 15 $122
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 11 11 $137

In context: peer comparison

Among 58 peers in San Diego Hospitalist Physician, average services per provider: 101. This provider delivers 2.6× the peer median.

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Gregory Ingolia's medical specialty?
Dr. Gregory Ingolia practices Hospitalist Physician in San Diego, CA.
Where does Dr. Gregory Ingolia practice?
Dr. Gregory Ingolia practices at 200 W Arbor Dr, San Diego, CA 921039000. Office phone: 8009268273.
What is Dr. Gregory Ingolia's NPI?
Dr. Gregory Ingolia's National Provider Identifier (NPI) is 1548790520, issued by NPPES.
Does Dr. Gregory Ingolia accept Medicare assignment?
Yes. Dr. Gregory Ingolia accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Gregory Ingolia commonly perform?
Top Medicare-reported procedures in 2023: Initial hospital care with moderate level of medical decision making (HCPCS 99223); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233). Source: CMS Medicare Physician & Other Practitioners file.