Doctor profile · Federal record

Dr. Gregorio Sosa, PA

Physician Assistant · Riverside, CA

  • NPI 1518119098
  • Accepts Medicare
  • 18 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
9939 Magnolia Ave
Riverside, CA 925033528
(855) 505-7467
fax (888) 975-8926
Mailing address
Po Box 70180
Riverside, CA 925130180

Credentials & registration

NPPES · NUCC
NPI registered
October 2008 — 18 yrs on file
Profile last updated
January 3, 2022
Year of graduation
2008 — 18 yrs since
Specialty taxonomy
363A00000X — NUCC code

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1518119098. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
158
Distinct HCPCS
6
Medicare allowed
$10,309
HCPCS Description Services Patients Avg allowed
99213 Established patient office or other outpatient visit, 20-29 minutes 53 43 $80
99214 Established patient office or other outpatient visit, 30-39 minutes 39 35 $112
36415 Insertion of needle into vein for collection of blood sample 28 26 $8
81003 Automated urinalysis test 16 15 $2
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 11 11 $113
G0444 Annual depression screening, 5 to 15 minutes 11 11 $16

In context: peer comparison

Among 16 peers in this city , average services per provider: 90. This provider delivers 1.8× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$39
Transactions
2
Manufacturers
2
Payer (manufacturer) Industry Txns Amount
Lilly USA, LLC 1 $21.74
Xeris Pharmaceuticals, Inc. 1 $17.29

By nature of payment

Food and Beverage
$39

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,504
Patients
690
Total drug cost
$63,797
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 235 104 $5,797
Metformin Hcl Generic 180 83 $3,004
Tamsulosin Hcl Generic 134 55 $3,546
Amlodipine Besylate Generic 129 57 $1,990
Lisinopril Generic 108 54 $1,402
Diclofenac Sodium Generic 101 38 $2,400
Omeprazole Generic 93 48 $1,679
Losartan Potassium Generic 84 43 $1,754
Hydrochlorothiazide Generic 82 40 $536
Glipizide Generic 77 33 $1,164

Frequently asked questions

Auto-generated from federal data
What is Dr. Gregorio Sosa's medical specialty?
Dr. Gregorio Sosa practices Physician Assistant in Riverside, CA.
Where does Dr. Gregorio Sosa practice?
Dr. Gregorio Sosa practices at 9939 Magnolia Ave, Riverside, CA 925033528. Office phone: 8555057467.
What is Dr. Gregorio Sosa's NPI?
Dr. Gregorio Sosa's National Provider Identifier (NPI) is 1518119098, issued by NPPES.
Does Dr. Gregorio Sosa accept Medicare assignment?
Yes. Dr. Gregorio Sosa accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Gregorio Sosa commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Established patient office or other outpatient visit (HCPCS 99214); Insertion of needle into vein for collection of blood sample (HCPCS 36415). Source: CMS Medicare Physician & Other Practitioners file.