Alexander Dillon, M.D.
NPI 1699120212 · Ophthalmology Physician · Vallejo, CA
Enrolled with Medicare as Practitioner - Ophthalmology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Alexander Dillon, M.D. is a Ophthalmology Physician provider in Vallejo, CA (NPI 1699120212).
Provider details
- NPI number
- 1699120212
- Entity type
- Individual
- Primary specialty
- Ophthalmology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- A168691 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
10 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
4 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
578 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) |
|---|---|---|
| Imaging of Retina92134 | 186 | $50 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 102 | $97 |
| Injection of Drug Into Eye67028 | 92 | $145 |
| Compounded Drug, Not Otherwise ClassifiedJ7999 | 65 | $88 |
| Established Patient Complete Exam of Visual System92014 | 43 | $158 |
| Extended Exam of the Back Part of the Eye With Optic Nerve Drawing92202 | 36 | $18 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 10 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Prednisolone Acetate | 58 | 34 |
| Ketorolac Tromethamine | 54 | 26 |
| Brimonidine Tartrate | 23 | — |
| Atropine Sulfate | 20 | 15 |
| Dorzolamide Hcl/Timolol Maleatbrand: Dorzolamide-Timolol | 19 | — |
| Latanoprost | 19 | 11 |
| Bromfenac Sodium | 18 | — |
| Ofloxacin | 16 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$264 across 4 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
Additional practice locations (3)
- 100 Stein PlzLos Angeles, CA 90095-0001Phone: (310) 825-3090
- 200 Stein Plaza DrivewayLos Angeles, CA 90095-0001Phone: (310) 825-5000
- 1001 Potrero AvenueBuilding 5, 4mSan Francisco, CA 94110-3518Phone: (628) 206-8304
Registry dates
- Enumerated
- 2016-05-02
- Last updated
- 2024-04-12
- Certified
- 2024-04-12
Frequently asked questions
- What is Alexander Dillon's NPI number?
- Alexander Dillon's National Provider Identifier (NPI) is 1699120212, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Alexander Dillon's specialty?
- Alexander Dillon is listed in the NPPES registry with a primary specialty of Ophthalmology Physician (Allopathic & Osteopathic Physicians).
- Where is Alexander Dillon located?
- Alexander Dillon's practice location on file with NPPES is 975 Sereno Dr, Vallejo, CA 94589-2441.
- What is Alexander Dillon's phone number?
- The practice phone number listed in the NPPES registry for Alexander Dillon is (707) 651-1042.
- Does Alexander Dillon accept Medicare?
- Alexander Dillon is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Alexander Dillon's NPI active?
- Yes — Alexander Dillon's NPI (1699120212) is active in the NPPES registry as of the last update on 2024-04-12.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.