Doctor profile · Federal record

Dr. Mousa Matar, M.D.

Internal Medicine Physician (CMS: Internal Medicine) · Hospitalist Physician · Hospitalist Physician · Riverside, CA

  • NPI 1992116982
  • Accepts Medicare
  • MIPS 30.3 / 100 · 2023
  • 14 yrs in practice
  • Licensed in 2 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
4100 Central Ave, Ste 106
Riverside, CA 925062930
(951) 750-1090
fax (951) 750-1091
Mailing address
4100 Central Ave Ste 106
Riverside, CA 925062930

Credentials & registration

NPPES · NUCC
NPI registered
May 2014 — 12 yrs on file
Profile last updated
February 20, 2023
Year of graduation
2012 — 14 yrs since
Specialty taxonomy
207R00000X — NUCC code
State licenses (2)
California #A167764 · Wisconsin #67430

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1992116982. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
3,303
Distinct HCPCS
10
Medicare allowed
$385,242
HCPCS Description Services Patients Avg allowed
99309 Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes 1,121 177 $111
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 779 165 $80
99214 Established patient office or other outpatient visit, 30-39 minutes 356 166 $134
99305 Initial nursing facility care with moderate level of medical decision making, per day, if using time, at least 35 minutes 170 140 $125
99291 Critical care, first 30-74 minutes 121 24 $220
99310 Subsequent nursing facility care with high level of medical decision making, per day, if using time, at least 45 minutes 121 36 $159
99239 Hospital discharge day management, more than 30 minutes 110 103 $119
99316 Nursing facility discharge management, more than 30 minutes 102 93 $136
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 97 90 $135
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 86 86 $136

In context: peer comparison

Among 41 peers in this city , average services per provider: 160. This provider delivers 21× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$279
Transactions
12
Manufacturers
7
Payer (manufacturer) Industry Txns Amount
Janssen Pharmaceuticals, Inc 3 $91.32
AstraZeneca Pharmaceuticals LP 3 $54.47
Boehringer Ingelheim Pharmaceuticals, Inc. 2 $34.88
Amgen Inc. 1 $29.90
ABBVIE INC. 1 $29.33
Dexcom, Inc. 1 $25.11
Exact Sciences Corporation 1 $13.70

By nature of payment

Food and Beverage
$279

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
3,146
Patients
1,026
Total drug cost
$163,498
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 511 181 $8,428
Amlodipine Besylate Generic 334 101 $3,812
Levothyroxine Sodium Generic 247 77 $4,616
Losartan Potassium Generic 226 80 $3,271
Eliquis (Apixaban) Brand 216 62 $119,646
Pantoprazole Sodium Generic 201 69 $4,694
Lisinopril Generic 200 72 $2,793
Gabapentin Generic 193 63 $2,660
Metformin Hcl Generic 186 68 $4,292
Furosemide Generic 167 54 $1,188

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Mousa Matar's medical specialty?
Dr. Mousa Matar practices Internal Medicine Physician in Riverside, CA.
Where does Dr. Mousa Matar practice?
Dr. Mousa Matar practices at 4100 Central Ave, Riverside, CA 925062930. Office phone: 9517501090.
What is Dr. Mousa Matar's NPI?
Dr. Mousa Matar's National Provider Identifier (NPI) is 1992116982, issued by NPPES.
Does Dr. Mousa Matar accept Medicare assignment?
Yes. Dr. Mousa Matar accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Mousa Matar commonly perform?
Top Medicare-reported procedures in 2023: Subsequent nursing facility care with moderate level of medical decision making (HCPCS 99309); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.