Dorothy Khong, MD
NPI 1326146630 · Ophthalmology Physician · Oakland, CA
Enrolled with Medicare as Practitioner - Ophthalmology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Dorothy Khong, MD is a Ophthalmology Physician provider in Oakland, CA (NPI 1326146630).
Provider details
- NPI number
- 1326146630
- Entity type
- Individual
- Primary specialty
- Ophthalmology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- A85323 (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
2,455 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) |
|---|---|---|
| Established Patient Complete Exam of Visual System92014 | 439 | $167 |
| Exam of the Internal Drainage System of Eye92020 | 400 | $36 |
| Established Patient Problem Focused Exam of Visual System92012 | 313 | $120 |
| Photography of the Retina92250 | 272 | $48 |
| Exam of Visual Field With Extended Testing92083 | 148 | $87 |
| Imaging of Optic Nerve92133 | 139 | $46 |
| Imaging of Retina92134 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 18 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Latanoprost | 273 | 72 |
| Azelastine Hcl | 246 | 83 |
| Prednisolone Acetate | 206 | 113 |
| Ketorolac Tromethamine | 106 | 71 |
| Dorzolamide Hcl/Timolol Maleatbrand: Dorzolamide-Timolol | 101 | 34 |
| Ciprofloxacin Hcl | 96 | 69 |
| Cyclosporine | 58 | 25 |
| Brimonidine Tartrate | 51 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$486 across 11 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
- 2006-09-20
- Last updated
- 2014-10-29
Frequently asked questions
- What is Dorothy Khong's NPI number?
- Dorothy Khong's National Provider Identifier (NPI) is 1326146630, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Dorothy Khong's specialty?
- Dorothy Khong is listed in the NPPES registry with a primary specialty of Ophthalmology Physician (Allopathic & Osteopathic Physicians).
- Where is Dorothy Khong located?
- Dorothy Khong's practice location on file with NPPES is 275 W Macarthur, Oakland, CA 94611-5641.
- What is Dorothy Khong's phone number?
- The practice phone number listed in the NPPES registry for Dorothy Khong is (510) 752-1000.
- Does Dorothy Khong accept Medicare?
- Dorothy Khong is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Dorothy Khong's NPI active?
- Yes — Dorothy Khong's NPI (1326146630) is active in the NPPES registry as of the last update on 2014-10-29.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.