Allison Chen, MD, MPH
NPI 1669910014 · Ophthalmology Physician · Houston, TX
Enrolled with Medicare as Practitioner - Ophthalmology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Allison Chen, MD, MPH is a Ophthalmology Physician provider in Houston, TX (NPI 1669910014).
Provider details
- NPI number
- 1669910014
- Entity type
- Individual
- Primary specialty
- Ophthalmology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD, MPH
- Sex
- Female
- Sole proprietor
- No
- License
- A159972 (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
9 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
313 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 Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 169 | $131 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 52 | $91 |
| Measurement of Corneal Curvature and Depth of Eye92136 | 28 | $37 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 28 | $167 |
| Removal of Cataract With Insertion of Prosthetic Lens66984 | 22 | $536 |
| 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 · 13 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Prednisolone Acetate | 77 | 43 |
| Polymyxin B Sulf/Trimethoprimbrand: Polymyxin B Sul-Trimethoprim | 55 | 43 |
| Moxifloxacin Hclbrand: Moxifloxacin | 51 | 26 |
| Difluprednate | 46 | 26 |
| Doxycycline Hyclate | 40 | — |
| Fluorometholone | 26 | 14 |
| Latanoprost | 23 | — |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$436 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 (1)
- 9001 Wilshire BlvdBeverly Hills, CA 90211-1838Phone: (858) 255-0961
Registry dates
- Enumerated
- 2017-02-06
- Last updated
- 2023-05-04
- Certified
- 2023-05-04
Frequently asked questions
- What is Allison Chen's NPI number?
- Allison Chen's National Provider Identifier (NPI) is 1669910014, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Allison Chen's specialty?
- Allison Chen is listed in the NPPES registry with a primary specialty of Ophthalmology Physician (Allopathic & Osteopathic Physicians).
- Where is Allison Chen located?
- Allison Chen's practice location on file with NPPES is 1504 Taub Loop, Houston, TX 77030-1608.
- What is Allison Chen's phone number?
- The practice phone number listed in the NPPES registry for Allison Chen is (713) 526-4243.
- Does Allison Chen accept Medicare?
- Allison Chen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Allison Chen's NPI active?
- Yes — Allison Chen's NPI (1669910014) is active in the NPPES registry as of the last update on 2023-05-04.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.