Drew R. Chronister, MD
Ophthalmology Physician · Thorndale, PA
Drew R. Chronister, MD is an ophthalmology physician with a practice address in Thorndale, Pennsylvania, and NPI 1811188543, issued on Aug 7, 2007. Check the license (Pennsylvania MD436534, as entered in NPPES) on the Pennsylvania Department of State (PALS); the Medicare figures below come from public CMS files.
- Name
- Drew R. Chronister
- Credential
- MD
- Primary taxonomy
- Ophthalmology Physician 207W00000X
- License number
- MD436534 PA
Self-reported in NPPES; status is on the state search - Practice location
- 3000 C G Zinn RD, Thorndale, PA 19372
- Phone
- (610) 384-9100
- Enumerated
- Aug 7, 2007
- Record last updated
- Jan 25, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20090827000257); accepts Medicare assignment
- Medical or professional school
- University Of Pittsburgh School Of Medicine, 2005
- Entity
- Type 1 · individual
8 nearest ophthalmology physician records → All 1,088 in Pennsylvania → Look up another NPI →
Also registered at 3000 C G Zinn RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Guri Bronner, MDOphthalmology Physician1962586073
- Sara Kuhn, PT, CSCSPhysical Therapist1427088244
- Gary Levin, MDOphthalmology Physician1568499457
- Dayna Luckey, ODOptometrist1164710612
- James Martin, P.T.Physical Therapist1174590061
- Rebecca Nickerson, DPTPhysical Therapist1861789950
Verify Drew R. Chronister in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersPennsylvania Department of State (PALS)
Search for license MD436534Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
17% fewer Medicare Part D claims than the average ophthalmology physician in 2024
1,258 Medicare Part D claims for 370 beneficiaries, against an average of 1,518 among the 16,459 providers of this specialty who prescribed in Part D. Brand-name drugs were 36% of claims.
Most prescribed
- Latanoprost177 claims
- Prednisolone Acetate167 claims
- Timolol Maleate167 claims
- Polymyxin B Sul-Trimethoprim116 claims
- Ketorolac Tromethamine114 claims
- Lumigan85 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $436.11
18 payments; by number, the most common kind was food and beverage; the largest payer was Alcon Vision LLC. The 13,221 providers of this specialty with any payment received $4,535.02 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through 3 group practices
- Family Eye Group PCLancaster, PA
- Focus Eye Group PCThorndale, PA
- Wills Eye Ophthalmology Clinic, IncPhiladelphia, PA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Drew R. Chronister among 1,088 ophthalmology physician records in Pennsylvania
Drew R. Chronister, MD is one of 1,088 ophthalmology physician records with a practice address in Pennsylvania. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 60% of them.
- NPI issued2007 · 60% of these records are older, 33% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 67% of these records are
- Graduated2005 · median 2000 among the 734 with a school on file
- Record last updated2021 · 64% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207W00000X and a Pennsylvania practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
5 ophthalmology physician records list a practice address in Thorndale
They are 5 of the 82 NPPES records with a practice address in Thorndale, and 1,088 ophthalmology physician records in Pennsylvania.
All 1,088 in Pennsylvania → Every provider in Thorndale → Ophthalmology Physician nationwide →
The 8 ophthalmology physician records with the nearest ZIP codes
- Guri Bronner, MDThorndale, PA 193721962586073
- Gary Levin, MDThorndale, PA 193721568499457
- Steven Luminais, MDThorndale, PA 193721205872843
- Kristina Pao, MDThorndale, PA 193721205002847
- Cristan Arena, M.D.West Chester, PA 193801922277953
- John Destafeno, M.D.West Chester, PA 193801912097171
- Robert Liss, MDWest Chester, PA 193801063412161
- Ananth Mudgil, M.D.West Chester, PA 193801821190877
Common questions
What is Drew R. Chronister, MD's NPI number?
Drew R. Chronister, MD's National Provider Identifier (NPI) is 1811188543, issued on Aug 7, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Drew R. Chronister, MD located?
The NPPES record lists a practice address at 3000 C G Zinn RD, Thorndale, PA, 19372. Phone: (610) 384-9100. Providers update this record themselves, so call before visiting.
How can I verify Drew R. Chronister, MD's license?
NPPES lists Pennsylvania license number MD436534, as entered by the provider. Search the Pennsylvania Department of State (PALS) at https://www.pals.pa.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Drew R. Chronister, MD prescribe under Medicare Part D?
In 2024, Drew R. Chronister, MD had 1,258 Medicare Part D claims for 370 beneficiaries; the average among ophthalmology physician prescribers was 1,518. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.