Doctor profile · Federal record

Dr. Rosana Ayoub, MD

Endocrinology, Diabetes & Metabolism Physician (CMS: Endocrinology) · Student in an Organized Health Care Education/Training Program · Sylmar, CA

  • NPI 1255658746
  • Accepts Medicare
  • 16 yrs in practice
  • Female
  • Solo practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
14445 Olive View Dr
Sylmar, CA 913421437
(818) 364-3205
Additional location
22330 Hawthorne Blvd Ste 216
Torrance, CA 905052544
(310) 375-7666
Mailing address
26842 Fond du LAC RD
Rancho Palos Verdes, CA 902752359

Credentials & registration

NPPES · NUCC
NPI registered
April 2010 — 16 yrs on file
Profile last updated
February 23, 2022
Year of graduation
2010 — 16 yrs since
Specialty taxonomy
207RE0101X — NUCC code
State license (1)
California #A119909

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1255658746. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
167
Distinct HCPCS
3
Medicare allowed
$21,944
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 140 50 $138
82962 Blood glucose (sugar) test performed by hand-held instrument 16 12 $3
99205 New patient office or other outpatient visit, 60-74 minutes 11 11 $237

In context: peer comparison

Among 2 peers in this city , average services per provider: 156. This provider delivers 1.1× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$224
Transactions
12
Manufacturers
3
Payer (manufacturer) Industry Txns Amount
Medtronic, Inc. 8 $137.46
Lilly USA, LLC 2 $49.88
Novo Nordisk Inc 2 $37.08

By nature of payment

Food and Beverage
$224

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,459
Patients
437
Total drug cost
$698,814
Drug Type Claims Patients Total cost
Levothyroxine Sodium Generic 261 71 $5,060
Ozempic (Semaglutide) Brand 179 43 $216,231
Lantus Solostar (Insulin Glargine,hum.Rec.Anlog) Brand 153 44 $82,833
Metformin Hcl Generic 130 47 $1,544
Trulicity (Dulaglutide) Brand 106 22 $118,637
Atorvastatin Calcium Generic 90 34 $2,304
Repaglinide Generic 87 26 $12,906
Nano 2nd Gen Pen Needle (Pen Needle, Diabetic) Brand 83 39 $8,016
Humalog Kwikpen U-100 (Insulin Lispro) Brand 77 21 $56,582
Jardiance (Empagliflozin) Brand 76 28 $90,229

Frequently asked questions

Auto-generated from federal data
What is Dr. Rosana Ayoub's medical specialty?
Dr. Rosana Ayoub practices Endocrinology, Diabetes & Metabolism Physician in Sylmar, CA.
Where does Dr. Rosana Ayoub practice?
Dr. Rosana Ayoub practices at 14445 Olive View Dr, Sylmar, CA 913421437. Office phone: 8183643205.
What is Dr. Rosana Ayoub's NPI?
Dr. Rosana Ayoub's National Provider Identifier (NPI) is 1255658746, issued by NPPES.
Does Dr. Rosana Ayoub accept Medicare assignment?
Yes. Dr. Rosana Ayoub accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Rosana Ayoub commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Blood glucose (sugar) test performed by hand-held instrument (HCPCS 82962); New patient office or other outpatient visit (HCPCS 99205). Source: CMS Medicare Physician & Other Practitioners file.