Doctor profile · Federal record

Dr. Drew Chronister, MD

Ophthalmology Physician (CMS: Ophthalmology) · Thorndale, PA

  • NPI 1811188543
  • Accepts Medicare
  • 21 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
3000 C G Zinn RD
Thorndale, PA 193721134
(610) 384-9100

Credentials & registration

NPPES · NUCC
NPI registered
August 2007 — 19 yrs on file
Profile last updated
January 25, 2021
Year of graduation
2005 — 21 yrs since
Specialty taxonomy
207W00000X — NUCC code
State license (1)
Pennsylvania #MD436534

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1811188543. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
3,446
Distinct HCPCS
10
Medicare allowed
$459,825
HCPCS Description Services Patients Avg allowed
92014 Established patient complete exam of visual system 813 768 $133
92012 Established patient problem focused exam of visual system 503 401 $95
92136 Measurement of corneal curvature and depth of eye 400 186 $31
66984 Removal of cataract with insertion of prosthetic lens 346 201 $530
92250 Photography of the retina 306 302 $39
92133 Imaging of optic nerve 263 250 $38
92134 Imaging of retina 229 204 $42
92083 Exam of visual field with extended testing 200 192 $67
68761 Closure of tear duct opening using plug 116 75 $228
92004 New patient complete exam of visual system 76 76 $155

In context: peer comparison

Among 2 peers in this city , average services per provider: 196. This provider delivers 18× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$436
Transactions
18
Manufacturers
7
Payer (manufacturer) Industry Txns Amount
Alcon Vision LLC 7 $194.64
Bausch & Lomb Americas Inc. 3 $66.09
Tarsus Pharmaceuticals, Inc. 2 $48.81
Rayner Intraocular Lenses Limited 1 $44.15
SUN PHARMACEUTICAL INDUSTRIES INC. 2 $36.94
Amgen Inc. 2 $31.86
ABB Con-Cise Optical Group LLC 1 $13.62

By nature of payment

Food and Beverage
$436

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,062
Patients
555
Total drug cost
$141,938
Drug Type Claims Patients Total cost
Latanoprost Generic 173 49 $3,190
Timolol Maleate Generic 135 56 $1,779
Polymyxin B Sul-Trimethoprim (Polymyxin B Sulf/Trimethoprim) Brand 118 110 $1,032
Prednisolone Acetate Generic 117 88 $5,776
Lumigan (Bimatoprost) Brand 93 25 $48,101
Dorzolamide-Timolol (Dorzolamide Hcl/Timolol Maleat) Brand 78 27 $1,804
Ketorolac Tromethamine Generic 56 45 $1,508
Ofloxacin Generic 51 42 $773
Neomycin-Polymyxin-Dexameth (Neomycin/Polymyxin B/Dexametha) Brand 45 37 $512
Lotemax Sm (Loteprednol Etabonate) Brand 43 30 $10,839

Frequently asked questions

Auto-generated from federal data
What is Dr. Drew Chronister's medical specialty?
Dr. Drew Chronister practices Ophthalmology Physician in Thorndale, PA.
Where does Dr. Drew Chronister practice?
Dr. Drew Chronister practices at 3000 C G Zinn RD, Thorndale, PA 193721134. Office phone: 6103849100.
What is Dr. Drew Chronister's NPI?
Dr. Drew Chronister's National Provider Identifier (NPI) is 1811188543, issued by NPPES.
Does Dr. Drew Chronister accept Medicare assignment?
Yes. Dr. Drew Chronister accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Drew Chronister commonly perform?
Top Medicare-reported procedures in 2023: Established patient complete exam of visual system (HCPCS 92014); Established patient problem focused exam of visual system (HCPCS 92012); Measurement of corneal curvature and depth of eye (HCPCS 92136). Source: CMS Medicare Physician & Other Practitioners file.