Ramin Monshizadeh, M.D.
NPI 1578566030 · Retina Specialist (Ophthalmology) Physician · Rancho Cucamonga, CA
Enrolled with Medicare as Practitioner - Ophthalmology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Ramin Monshizadeh, M.D. is a Retina Specialist (Ophthalmology) Physician provider in Rancho Cucamonga, CA (NPI 1578566030).
Provider details
- NPI number
- 1578566030
- Entity type
- Individual
- Primary specialty
- Retina Specialist (Ophthalmology) PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- G86057 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
21 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
4,090 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Imaging of Retina92134 | 1,218 | $43 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 1,122 | $137 |
| Extended Exam of the Back Part of the Eye With Retinal Drawing92201 | 782 | $26 |
| Injection of Drug Into Eye67028 | 362 | $121 |
| Exam of Retinal Blood Vessels Using a Special Camera After Injection of a Dye92235 | 193 | $179 |
| Exam of Retinal Blood Vessels and Blood Vessels Between the White Part of Eye and Retina Using a Special Camera After Injection of a Dye92242 | 163 | $310 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 12 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Latanoprost | 203 | 58 |
| Dorzolamide Hcl/Timolol Maleatbrand: Dorzolamide-Timolol | 120 | 33 |
| Timolol Maleate | 99 | 34 |
| Prednisolone Acetate | 65 | 41 |
| Brimonidine Tartrate | 45 | 15 |
| Ciprofloxacin Hcl | 27 | 22 |
| Ketorolac Tromethamine | 26 | 13 |
| Cyclosporine | 21 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2005-05-27
- Last updated
- 2017-08-14
Frequently asked questions
- What is Ramin Monshizadeh's NPI number?
- Ramin Monshizadeh's National Provider Identifier (NPI) is 1578566030, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ramin Monshizadeh's specialty?
- Ramin Monshizadeh is listed in the NPPES registry with a primary specialty of Retina Specialist (Ophthalmology) Physician (Allopathic & Osteopathic Physicians).
- Where is Ramin Monshizadeh located?
- Ramin Monshizadeh's practice location on file with NPPES is 8577 Haven Ave, Rancho Cucamonga, CA 91730-4850.
- What is Ramin Monshizadeh's phone number?
- The practice phone number listed in the NPPES registry for Ramin Monshizadeh is (909) 944-5353.
- Does Ramin Monshizadeh accept Medicare?
- Ramin Monshizadeh is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Ramin Monshizadeh's NPI active?
- Yes — Ramin Monshizadeh's NPI (1578566030) is active in the NPPES registry as of the last update on 2017-08-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.