Doctor profile · Federal record

Dr. Diane Apostolakos, MD

Hospitalist Physician · Roseville, CA

  • NPI 1114079332
  • 19 yrs on file
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1600 Eureka RD
Roseville, CA 956613027
(916) 784-4000
Mailing address
1800 Harrison St Fl 7
Oakland, CA 946123466

Credentials & registration

NPPES · NUCC
NPI registered
January 2007 — 19 yrs on file
Profile last updated
December 9, 2021
Specialty taxonomy
208M00000X — NUCC code
State license (1)
California #A96394

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1114079332. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
14
Distinct HCPCS
1
Medicare allowed
$1,855
HCPCS Description Services Patients Avg allowed
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 14 13 $133

In context: peer comparison

Among 22 peers in this city , average services per provider: 146. This provider delivers 0.1× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. Diane Apostolakos's medical specialty?
Dr. Diane Apostolakos practices Hospitalist Physician in Roseville, CA.
Where does Dr. Diane Apostolakos practice?
Dr. Diane Apostolakos practices at 1600 Eureka RD, Roseville, CA 956613027. Office phone: 9167844000.
What is Dr. Diane Apostolakos's NPI?
Dr. Diane Apostolakos's National Provider Identifier (NPI) is 1114079332, issued by NPPES.
What procedures does Dr. Diane Apostolakos commonly perform?
Top Medicare-reported procedures in 2023: Initial hospital care with straightforward or low-level medical decision making (HCPCS 99222). Source: CMS Medicare Physician & Other Practitioners file.