Drew Chronister, MD
NPI 1811188543 · Ophthalmology Physician · Thorndale, PA
Enrolled with Medicare as Practitioner - Ophthalmology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Drew Chronister, MD is a Ophthalmology Physician provider in Thorndale, PA (NPI 1811188543).
Provider details
- NPI number
- 1811188543
- Entity type
- Individual
- Primary specialty
- Ophthalmology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- MD436534 (PA)
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
18 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
3,653 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 | 847 | $128 |
| Established Patient Problem Focused Exam of Visual System92012 | 503 | $91 |
| Measurement of Corneal Curvature and Depth of Eye92136 | 422 | $32 |
| Removal of Cataract With Insertion of Prosthetic Lens66984 | 331 | $527 |
| Photography of the Retina92250 | 320 | $37 |
| Imaging of Optic Nerve92133 | 281 | $36 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 20 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Latanoprost | 177 | 50 |
| Prednisolone Acetate | 167 | 141 |
| Timolol Maleate | 167 | 56 |
| Polymyxin B Sulf/Trimethoprimbrand: Polymyxin B Sul-Trimethoprim | 116 | 104 |
| Ketorolac Tromethamine | 114 | 93 |
| Bimatoprostbrand: Lumigan | 85 | 22 |
| Dorzolamide Hcl/Timolol Maleatbrand: Dorzolamide-Timolol | 84 | 25 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$436 across 18 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
- 2007-08-07
- Last updated
- 2021-01-25
- Certified
- 2021-01-25
Frequently asked questions
- What is Drew Chronister's NPI number?
- Drew Chronister's National Provider Identifier (NPI) is 1811188543, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Drew Chronister's specialty?
- Drew Chronister is listed in the NPPES registry with a primary specialty of Ophthalmology Physician (Allopathic & Osteopathic Physicians).
- Where is Drew Chronister located?
- Drew Chronister's practice location on file with NPPES is 3000 C G Zinn Rd, Thorndale, PA 19372-1134.
- What is Drew Chronister's phone number?
- The practice phone number listed in the NPPES registry for Drew Chronister is (610) 384-9100.
- Does Drew Chronister accept Medicare?
- Drew Chronister is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Drew Chronister's NPI active?
- Yes — Drew Chronister's NPI (1811188543) is active in the NPPES registry as of the last update on 2021-01-25.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.