Jo Ann Giaconi, MD
NPI 1639182223 · Ophthalmology Physician · Los Angeles, CA
Enrolled with Medicare as Practitioner - Ophthalmology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Jo Ann Giaconi, MD is a Ophthalmology Physician provider in Los Angeles, CA (NPI 1639182223).
Provider details
- NPI number
- 1639182223
- Entity type
- Individual
- Primary specialty
- Ophthalmology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- A69916 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
19 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
2,522 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
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 .
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) |
|---|---|---|
| Exam of Visual Field With Extended Testing92083 | 601 | $72 |
| Established Patient Problem Focused Exam of Visual System92012 | 428 | $100 |
| Established Patient Complete Exam of Visual System92014 | 392 | $140 |
| Photography of the Retina92250 | 316 | $39 |
| Imaging of Optic Nerve92133 | 241 | $39 |
| Imaging of Retina92134 | 133 | $43 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 26 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Latanoprost | 498 | 178 |
| Timolol Maleate | 208 | 75 |
| Dorzolamide Hcl/Timolol Maleatbrand: Dorzolamide-Timolol | 194 | 72 |
| Brimonidine Tartrate | 180 | 56 |
| Bimatoprostbrand: Lumigan | 92 | 28 |
| Prednisolone Acetate | 73 | 43 |
| Dorzolamide Hcl | 67 | 27 |
| Netarsudil Mesylat/Latanoprost |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$49 across 2 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-08-14
- Last updated
- 2025-01-15
- Certified
- 2025-01-15
Frequently asked questions
- What is Jo Ann Giaconi's NPI number?
- Jo Ann Giaconi's National Provider Identifier (NPI) is 1639182223, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Jo Ann Giaconi's specialty?
- Jo Ann Giaconi is listed in the NPPES registry with a primary specialty of Ophthalmology Physician (Allopathic & Osteopathic Physicians).
- Where is Jo Ann Giaconi located?
- Jo Ann Giaconi's practice location on file with NPPES is 100 Stein Plz Ste 2-235, Los Angeles, CA 90095-7065.
- What is Jo Ann Giaconi's phone number?
- The practice phone number listed in the NPPES registry for Jo Ann Giaconi is (310) 794-9442.
- Does Jo Ann Giaconi accept Medicare?
- Jo Ann Giaconi is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Jo Ann Giaconi's NPI active?
- Yes — Jo Ann Giaconi's NPI (1639182223) is active in the NPPES registry as of the last update on 2025-01-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.