Angela Oh, MD
NPI 1881221968 · Ophthalmology Physician · Fountain Valley, CA
Enrolled with Medicare as Practitioner - Ophthalmology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Angela Oh, MD is a Ophthalmology Physician provider in Fountain Valley, CA (NPI 1881221968).
Provider details
- NPI number
- 1881221968
- Entity type
- Individual
- Primary specialty
- Ophthalmology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- Yes
- License
- A190600 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
6 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
82 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) |
|---|---|---|
| Initial Hospital Care With Straightforward Or Low Level of Medical Decision Making, Per Day, If Using Time, at Least 40 Minutes99221 | 30 | $85 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 29 | $123 |
| Established Patient Problem Focused Exam of Visual System92012 | 23 | $99 |
Typical Medicare-allowed amounts for these services range $85–$123 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 7 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Erythromycin Basebrand: Erythromycin | 58 | 49 |
| Latanoprost | 40 | 14 |
| Dorzolamide Hcl/Timolol Maleatbrand: Dorzolamide-Timolol | 32 | 12 |
| Brimonidine Tartrate | 18 | 12 |
| Prednisolone Acetate | 17 | 17 |
| Neomycin/Polymyxin B/Dexamethabrand: Neomycin-Polymyxin-Dexameth | 17 | 14 |
| Ciprofloxacin Hcl | 16 | 15 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$481 across 6 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
- 2020-03-26
- Last updated
- 2024-07-02
- Certified
- 2024-07-02
Frequently asked questions
- What is Angela Oh's NPI number?
- Angela Oh's National Provider Identifier (NPI) is 1881221968, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Angela Oh's specialty?
- Angela Oh is listed in the NPPES registry with a primary specialty of Ophthalmology Physician (Allopathic & Osteopathic Physicians).
- Where is Angela Oh located?
- Angela Oh's practice location on file with NPPES is 18111 Brookhurst St Ste 6400, Fountain Valley, CA 92708-6728.
- What is Angela Oh's phone number?
- The practice phone number listed in the NPPES registry for Angela Oh is (714) 963-1444.
- Does Angela Oh accept Medicare?
- Angela Oh is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Angela Oh's NPI active?
- Yes — Angela Oh's NPI (1881221968) is active in the NPPES registry as of the last update on 2024-07-02.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.