Doctor profile · Federal record

Dr. Ramin Monshizadeh, M.D.

Retina Specialist (Ophthalmology) Physician (CMS: Ophthalmology) · Rancho Cucamonga, CA

  • NPI 1578566030
  • Accepts Medicare
  • MIPS 100.0 / 100 · 2023
  • 33 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
8577 Haven Ave, Suite 208
Rancho Cucamonga, CA 917304850
(909) 944-5353
fax (909) 944-4975

Credentials & registration

NPPES · NUCC
NPI registered
May 2005 — 21 yrs on file
Profile last updated
August 14, 2017
Year of graduation
1993 — 33 yrs since
Specialty taxonomy
207WX0107X — NUCC code
State license (1)
California #G86057

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1578566030. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
4,753
Distinct HCPCS
10
Medicare allowed
$418,132
HCPCS Description Services Patients Avg allowed
92134 Imaging of retina 1,212 581 $41
99214 Established patient office or other outpatient visit, 30-39 minutes 1,168 521 $134
92201 Extended exam of the back part of the eye with retinal drawing 794 542 $26
67028 Injection of drug into eye 359 103 $119
J9035 Injection, bevacizumab, 10 mg 299 95 $71
92235 Exam of retinal blood vessels using a special camera after injection of a dye 264 228 $147
92242 Exam of retinal blood vessels and blood vessels between the white part of eye and retina using a special camera after injection of a dye 163 103 $277
99204 New patient office or other outpatient visit, 45-59 minutes 130 130 $173
J3301 Injection, triamcinolone acetonide, not otherwise specified, 10 mg 117 22 $1
92250 Photography of the retina 57 50 $38

In context: peer comparison

Among 1 peers in this city , average services per provider: 264. This provider delivers 18× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
688
Patients
221
Total drug cost
$85,175
Drug Type Claims Patients Total cost
Latanoprost Generic 240 66 $5,040
Dorzolamide-Timolol (Dorzolamide Hcl/Timolol Maleat) Brand 170 49 $4,512
Timolol Maleate Generic 86 26 $1,526
Brimonidine Tartrate Generic 53 19 $3,608
Prednisolone Acetate Generic 50 35 $2,844
Ofloxacin Generic 22 14 $428
Ketorolac Tromethamine Generic 20 0 $780
Combigan (Brimonidine Tartrate/Timolol) Brand 18 0 $7,451
Eylea (Aflibercept) Brand 17 0 $58,789
Ciprofloxacin Hcl Generic 12 12 $197

Frequently asked questions

Auto-generated from federal data
What is Dr. Ramin Monshizadeh's medical specialty?
Dr. Ramin Monshizadeh practices Retina Specialist (Ophthalmology) Physician in Rancho Cucamonga, CA.
Where does Dr. Ramin Monshizadeh practice?
Dr. Ramin Monshizadeh practices at 8577 Haven Ave, Rancho Cucamonga, CA 917304850. Office phone: 9099445353.
What is Dr. Ramin Monshizadeh's NPI?
Dr. Ramin Monshizadeh's National Provider Identifier (NPI) is 1578566030, issued by NPPES.
Does Dr. Ramin Monshizadeh accept Medicare assignment?
Yes. Dr. Ramin Monshizadeh accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Ramin Monshizadeh commonly perform?
Top Medicare-reported procedures in 2023: Imaging of retina (HCPCS 92134); Established patient office or other outpatient visit (HCPCS 99214); Extended exam of the back part of the eye with retinal drawing (HCPCS 92201). Source: CMS Medicare Physician & Other Practitioners file.