Dr. Drew R. Chronister, MD
- Medicare services, 2024
- 3,653
- Medicare patients, 2024
- 1,139
- Part D claims, 2024
- 1,258
- Hospital affiliations
- 1
- Industry payments
- $2,158
- Practice address
- 140 John Thomas Drive, Exton, PA 19341
- Practice phone
- Call (610) 280-9144
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Vision One Laser & Surgery Center
Surgery Center - Medicare-Certified · Exton, Pennsylvania
Find Dr. Chronister's professional email, personal email and mobile number
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Dr. Drew R. Chronister is an ophthalmologist in Exton, Pennsylvania
Dr. Chronister practices at Vision One Laser & Surgery Center in Exton, Pennsylvania.
Dr. Chronister's NPI, 1811188543, was assigned on August 7, 2007. Dr. Chronister graduated from University of Pittsburgh School of Medicine in 2005. Dr. Chronister holds Pennsylvania license MD436534.
- NPI
- 1811188543NPI Registry (opens in a new tab)
- Medicare PAC ID
- 0446305478
- NPI enumeration date
- August 7, 2007
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (610) 280-9144
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 47
- Medical school graduation
- 2005
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Drew R. Chronister practices at Vision One Laser & Surgery Center in Exton, Pennsylvania
Dr. Chronister's primary practice is Vision One Laser & Surgery Center, at 140 John Thomas Drive, Exton, PA 19341. The practice phone is (610) 280-9144.
- Vision One Laser & Surgery Center140 John Thomas Drive, Exton, PA 19341Phone(610) 280-9144
Source: Dmand AI Affiliation Data
Dr. Drew R. Chronister is affiliated with 5 sites of care and 3 medical groups
Dr. Chronister's primary practice is Vision One Laser & Surgery Center in Exton, Pennsylvania. Dr. Chronister is also affiliated with Wills Eye Hospital. Dmand AI also links Dr. Chronister to 3 more group practices and clinics and 3 medical groups, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Drew R. Chronister's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Chronister practices, 5 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Vision One Laser & Surgery Center | Available with a free account |
| +4 more sites and 3 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Drew R. Chronister is one of 843 ophthalmologists in Pennsylvania
Ophthalmology is Dr. Chronister's primary specialty in the NPI Registry, under taxonomy code 207W00000X. Dr. Chronister is licensed in Pennsylvania.
Specialties and state licenses
- Ophthalmology, PennsylvaniaPrimary
Ophthalmologists near Dr. Chronister
Counts of ophthalmologists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Drew R. Chronister billed Medicare for 3,653 services in 2024
CMS data shows 3,653 Medicare services from Dr. Chronister across 18 procedure codes in 2024, for 1,139 Medicare patients. Medicare paid $334,817 for them.
Dr. Chronister's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Tests and treatments
- 2023: 2,8172024: 2,9655%
- Surgery
- 2023: 4852024: 4821%
- Office and hospital visits
- 2023: 1312024: 17231%
- Imaging
- 2023: 132024: 34162%
Where Dr. Chronister's Medicare services took place, 2024
- In an office3,30290%
- In a facility35110%
Dr. Chronister compared with the Pennsylvania median for ophthalmologists, 2024
- Dr. Chronister
- Pennsylvania median
- Medicare services
- 3,653vs 1,3362.7 times
- Medicare patients
- 1,139vs 5242.2 times
- Part D claims
- 1,168vs 62088% above
Medians across 854 ophthalmologists in Pennsylvania with Dmand AI profiles that report each measure.
Dr. Chronister's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Chronister and other ophthalmologists in Pennsylvania.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Drew R. Chronister treated 1,139 Medicare patients in 2024, average age 76
CMS counts 1,139 Medicare patients who saw Dr. Chronister in 2024. The largest group is 65 to 74, with 502 patients. 75% of them have high cholesterol, and 73% have high blood pressure. 5% are also on Medicaid. Their average risk score is 1.15, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Chronister's median patient age at 74, with 57% women.
Dr. Chronister's Medicare patients by age, 2024
Dr. Chronister's Medicare patients by sex, 2024
- Women71763%
- Men42237%
Chronic conditions among Dr. Chronister's Medicare patients, 2024
- High cholesterol75%
- High blood pressure73%
- Arthritis45%
- Diabetes33%
- Ischemic heart disease31%
- Chronic kidney disease26%
- Mood disorders23%
- Anxiety21%
Share of Medicare patients with each condition. A patient can have several.
Dr. Chronister's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 74
Patient panel by sex, all payers
- Women57%
- Men41%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Drew R. Chronister wrote 1,258 Medicare Part D claims in 2024
In 2024, Dr. Chronister wrote 1,258 Medicare Part D claims for 370 patients. 64% of them were for generic drugs. CMS names the drug for 1,168 of them, across 20 drugs with 11 or more claims each, at $118,176 in total drug cost. In 2023, CMS named 1,157 claims across 21 drugs.
Dr. Chronister's Part D claims by kind of drug, 2024
- Generic806 claims64%
- Brand-name452 claims36%
Dr. Chronister's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 1,1572024: 1,1681%
Drugs named by CMS: 20 in 2024, 21 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
Dr. Drew R. Chronister ranks in the 97th percentile for cataract surgery in Medicare
Dr. Chronister accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 614 procedures of cataract surgery by Dr. Chronister, more than 97% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Where Dr. Chronister ranks in Medicare procedure volume
- Cataract surgery
- 97th percentile614 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
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Dr. Drew R. Chronister received $2,158 in industry payments from 2016 to 2025
CMS Open Payments shows 95 general payments to Dr. Chronister from 26 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 99% of the total. Alcon Laboratories Inc paid the most, $837.
General payments to Dr. Chronister by program year, 2016 to 2025
General payments to Dr. Chronister by kind, 2016 to 2025
- Food and beverage$2,13899%
- Gifts$191%
Companies that paid Dr. Chronister the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Drew R. Chronister graduated from University of Pittsburgh School of Medicine
Dr. Chronister graduated from University of Pittsburgh School of Medicine in 2005.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Drew R. Chronister's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Drew R. Chronister
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Drew R. Chronister's NPI number?
Dr. Drew R. Chronister's NPI number is 1811188543. It was assigned on August 7, 2007, and it is active in the NPI Registry.
What kind of doctor is Dr. Drew R. Chronister?
Dr. Drew R. Chronister is an ophthalmologist in Exton, Pennsylvania. The primary specialty in the NPI Registry is Ophthalmology Physician (taxonomy code 207W00000X).
Where does Dr. Drew R. Chronister practice?
Dr. Chronister practices at 140 John Thomas Drive, Exton, PA 19341. Dr. Chronister's primary practice is Vision One Laser & Surgery Center in Exton, Pennsylvania. Dmand AI also links Dr. Chronister to 3 group practices and clinics and 3 medical groups.
What is Dr. Drew R. Chronister's office phone number?
The practice phone on file for Dr. Chronister is (610) 280-9144.
What is Dr. Drew R. Chronister's medical license number?
Dr. Chronister holds Pennsylvania license MD436534.
Which hospitals is Dr. Drew R. Chronister affiliated with?
Dr. Chronister is affiliated with Wills Eye Hospital.
Does Dr. Drew R. Chronister accept Medicare?
Yes. CMS data shows Dr. Chronister billed Medicare for 3,653 services in 2024, and Dr. Chronister accepts Medicare assignment.
How many Medicare patients does Dr. Drew R. Chronister see?
CMS counts 1,139 Medicare patients who saw Dr. Chronister in 2024, with an average age of 76.
What services does Dr. Drew R. Chronister bill to Medicare?
In 2024, Dr. Chronister's most billed Medicare services were eye exam or test (92014), eye exam or test (92012) and eye exam or test (92136).
Where did Dr. Drew R. Chronister go to medical school?
Dr. Chronister graduated from University of Pittsburgh School of Medicine in 2005.
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What drugs does Dr. Drew R. Chronister prescribe most?
In 2024 Medicare Part D data, Dr. Chronister's most prescribed drugs by claims were Latanoprost, Prednisolone Acetate and Timolol Maleate.
Has Dr. Drew R. Chronister received payments from drug or device companies?
CMS Open Payments shows $2,158 in general payments to Dr. Chronister from 26 companies from 2016 to 2025. The largest total came from Alcon Laboratories Inc.
How long has Dr. Drew R. Chronister been practicing?
Dr. Chronister graduated from medical school in 2005, 21 years ago.
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