Doctor profile · Federal record

Dr. Marianne Ronay, N.P.

Family Nurse Practitioner · Family Nurse Practitioner · Colton, CA

  • NPI 1508089897
  • 19 yrs on file
  • Female
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
400 N Pepper Ave
Colton, CA 923241801
(909) 580-1000

Credentials & registration

NPPES · NUCC
NPI registered
April 2007 — 19 yrs on file
Profile last updated
April 19, 2024
Specialty taxonomy
363LF0000X — NUCC code
State licenses (2)
California #RN402566 · California #7306

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1508089897. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
165
Distinct HCPCS
3
Medicare allowed
$6,423
HCPCS Description Services Patients Avg allowed
99441 Telephone medical discussion with physician, 5-10 minutes 62 30 $30
99213 Established patient office or other outpatient visit, 20-29 minutes 52 36 $57
99212 Established patient office or other outpatient visit, 10-19 minutes 51 28 $31

In context: peer comparison

Among 3 peers in Colton Family Nurse Practitioner, average services per provider: 33. This provider delivers 5.0× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,707
Patients
447
Total drug cost
$107,697
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 225 71 $4,396
Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) Brand 196 32 $3,855
Albuterol Sulfate Hfa (Albuterol Sulfate) Brand 145 32 $7,475
Enalapril Maleate Generic 144 36 $3,499
Gabapentin Generic 142 40 $4,174
Metformin Hcl Generic 126 43 $1,552
Amlodipine Besylate Generic 118 32 $1,303
Omeprazole Generic 97 33 $1,949
Basaglar Kwikpen U-100 (Insulin Glargine,Hum.Rec.Anlog) Brand 93 18 $33,547
Stiolto Respimat (Tiotropium Br/Olodaterol Hcl) Brand 78 15 $40,572

Frequently asked questions

Auto-generated from federal data
What is Dr. Marianne Ronay's medical specialty?
Dr. Marianne Ronay practices Family Nurse Practitioner in Colton, CA.
Where does Dr. Marianne Ronay practice?
Dr. Marianne Ronay practices at 400 N Pepper Ave, Colton, CA 923241801. Office phone: 9095801000.
What is Dr. Marianne Ronay's NPI?
Dr. Marianne Ronay's National Provider Identifier (NPI) is 1508089897, issued by NPPES.
What procedures does Dr. Marianne Ronay commonly perform?
Top Medicare-reported procedures in 2023: Telephone medical discussion with physician (HCPCS 99441); Established patient office or other outpatient visit (HCPCS 99213); Established patient office or other outpatient visit (HCPCS 99212). Source: CMS Medicare Physician & Other Practitioners file.