Doctor profile · Federal record

Dr. Igor Sister, M.D.

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

  • NPI 1518149467
  • Accepts Medicare
  • MIPS 83.0 / 100 · 2023
  • 39 yrs in practice
  • Licensed in 4 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 5 locations .

NPPES Updated May 11, 2026
Primary practice
200 W Arbor Dr
San Diego, CA 921039000
(800) 926-8273
Additional location
10000 Anns Choice Way
Warminster, PA 189743527
(215) 443-3850
fax (215) 443-3963
Additional location
1102 W MacArthur St
Shawnee, OK 748041743
(405) 395-5225
fax (405) 878-8125
Show 2 more locations
Additional location
25 Hospital Center Blvd
Hilton Head Island, SC 299262738
(843) 689-8141
fax (843) 689-8112
Additional location
911 Northland Dr
Princeton, MN 553712172
(763) 389-1313
Mailing address
911 Northland Dr
Princeton, MN 553712172

Credentials & registration

NPPES · NUCC
NPI registered
December 2007 — 19 yrs on file
Profile last updated
March 20, 2025
Year of graduation
1987 — 39 yrs since
Specialty taxonomy
208M00000X — NUCC code
State licenses (5)
California #164561 · Oklahoma #40933 · California #C164561 · South Carolina #32872 · Minnesota #74296

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1518149467. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,283
Distinct HCPCS
6
Medicare allowed
$164,783
HCPCS Description Services Patients Avg allowed
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 522 231 $123
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 288 276 $179
99239 Hospital discharge day management, more than 30 minutes 194 187 $119
99497 Advance care planning, first 30 minutes 138 137 $78
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 78 38 $82
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 63 63 $135

In context: peer comparison

Among 58 peers in San Diego Hospitalist Physician, average services per provider: 101. This provider delivers 13× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
273
Patients
139
Total drug cost
$20,909
Drug Type Claims Patients Total cost
Cefdinir Generic 30 30 $694
Atorvastatin Calcium Generic 28 17 $430
Prednisone Generic 26 16 $148
Tamsulosin Hcl Generic 21 0 $625
Pantoprazole Sodium Generic 19 19 $212
Xarelto (Rivaroxaban) Brand 19 0 $5,488
Azithromycin Generic 18 18 $146
Eliquis (Apixaban) Brand 18 15 $10,160
Lisinopril Generic 17 0 $117
Novolog Flexpen (Insulin Aspart) Brand 14 0 $1,815

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Igor Sister's medical specialty?
Dr. Igor Sister practices Hospitalist Physician in San Diego, CA.
Where does Dr. Igor Sister practice?
Dr. Igor Sister practices at 200 W Arbor Dr, San Diego, CA 921039000. Office phone: 8009268273.
What is Dr. Igor Sister's NPI?
Dr. Igor Sister's National Provider Identifier (NPI) is 1518149467, issued by NPPES.
Does Dr. Igor Sister accept Medicare assignment?
Yes. Dr. Igor Sister accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Igor Sister commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Initial hospital care with moderate level of medical decision making (HCPCS 99223); Hospital discharge day management (HCPCS 99239). Source: CMS Medicare Physician & Other Practitioners file.