Giovanni Greaves, M.D.
NPI 1700206844 · Ophthalmology Physician · Los Angeles, CA
Enrolled with Medicare as Practitioner - Ophthalmology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Giovanni Greaves, M.D. is a Ophthalmology Physician provider in Los Angeles, CA (NPI 1700206844).
Provider details
- NPI number
- 1700206844
- Entity type
- Individual
- Primary specialty
- Ophthalmology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- A156664 (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
12 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
486 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 | 148 | $44 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 119 | $98 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 75 | $138 |
| Imaging of Optic Nerve92133 | 56 | $39 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 38 | $178 |
| Exam of the Internal Drainage System of Eye92020 | 20 | $30 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 17 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Latanoprost | 663 | 196 |
| Prednisolone Acetate | 293 | 204 |
| Ketorolac Tromethamine | 267 | 197 |
| Moxifloxacin Hclbrand: Moxifloxacin | 206 | 157 |
| Dorzolamide Hcl/Timolol Maleatbrand: Dorzolamide-Timolol | 154 | 46 |
| Cyclosporinebrand: Restasis | 133 | 39 |
| Timolol Maleate | 120 | 45 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2014-04-16
- Last updated
- 2018-08-09
Frequently asked questions
- What is Giovanni Greaves's NPI number?
- Giovanni Greaves's National Provider Identifier (NPI) is 1700206844, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Giovanni Greaves's specialty?
- Giovanni Greaves is listed in the NPPES registry with a primary specialty of Ophthalmology Physician (Allopathic & Osteopathic Physicians).
- Where is Giovanni Greaves located?
- Giovanni Greaves's practice location on file with NPPES is 200 Stein Plaza 1-340, Los Angeles, CA 90095-2200.
- What is Giovanni Greaves's phone number?
- The practice phone number listed in the NPPES registry for Giovanni Greaves is (310) 825-5000.
- Does Giovanni Greaves accept Medicare?
- Giovanni Greaves is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Giovanni Greaves's NPI active?
- Yes — Giovanni Greaves's NPI (1700206844) is active in the NPPES registry as of the last update on 2018-08-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.