Doctor profile · Federal record

Dr. Gisela Rosario Rosario, M.D.

Infectious Disease Physician (CMS: Infectious Disease) · Internal Medicine Physician · Los Angeles, CA

  • NPI 1073873733
  • Accepts Medicare
  • MIPS 84.1 / 100 · 2023
  • 14 yrs in practice
  • Licensed in 2 states
  • Female
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
8635 W 3Rd St Ste 465W
Los Angeles, CA 900486111
(310) 358-2300
Additional location
1505 Wilson Ter Ste 310
Glendale, CA 912064073
(818) 550-1998
fax (818) 660-1364
Mailing address
Po Box 29159
Los Angeles, CA 900290159

Credentials & registration

NPPES · NUCC
NPI registered
May 2012 — 14 yrs on file
Profile last updated
April 27, 2022
Year of graduation
2012 — 14 yrs since
Specialty taxonomy
207RI0200X — NUCC code
State licenses (2)
California #A136895 · Pennsylvania #MT201338

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1073873733. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
876
Distinct HCPCS
7
Medicare allowed
$107,668
HCPCS Description Services Patients Avg allowed
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 329 129 $125
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 308 133 $83
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 134 127 $182
99214 Established patient office or other outpatient visit, 30-39 minutes 44 26 $139
99205 New patient office or other outpatient visit, 60-74 minutes 30 30 $237
99215 Established patient office or other outpatient visit, 40-54 minutes 16 14 $194
36415 Insertion of needle into vein for collection of blood sample 15 13 $8

In context: peer comparison

Among 39 peers in this city , average services per provider: 181. This provider delivers 4.8× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$989
Transactions
16
Manufacturers
7
Payer (manufacturer) Industry Txns Amount
Shionogi Inc 4 $215.37
La Jolla Pharmaceutical Company 2 $194.85
Melinta Therapeutics, LLC 3 $180.82
ViiV Healthcare Company 1 $134.33
ABBVIE INC. 1 $124.88
Paratek Pharmaceuticals, Inc. 4 $90.40
Gilead Sciences, Inc. 1 $48.45

By nature of payment

Food and Beverage
$989

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
57
Patients
0
Total drug cost
$12,261
Drug Type Claims Patients Total cost
Sulfamethoxazole-Trimethoprim (Sulfamethoxazole/Trimethoprim) Brand 19 0 $320
Ertapenem (Ertapenem Sodium) Brand 13 0 $8,958
Methenamine Hippurate Generic 13 0 $1,339
Ceftriaxone (Ceftriaxone Sodium) Brand 12 0 $1,643

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Gisela Rosario Rosario's medical specialty?
Dr. Gisela Rosario Rosario practices Infectious Disease Physician in Los Angeles, CA.
Where does Dr. Gisela Rosario Rosario practice?
Dr. Gisela Rosario Rosario practices at 8635 W 3Rd St Ste 465W, Los Angeles, CA 900486111. Office phone: 3103582300.
What is Dr. Gisela Rosario Rosario's NPI?
Dr. Gisela Rosario Rosario's National Provider Identifier (NPI) is 1073873733, issued by NPPES.
Does Dr. Gisela Rosario Rosario accept Medicare assignment?
Yes. Dr. Gisela Rosario Rosario accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Gisela Rosario Rosario 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); Initial hospital care with moderate level of medical decision making (HCPCS 99223). Source: CMS Medicare Physician & Other Practitioners file.