Dr. Christopher Alan Williams, MD
- Medicare services, 2024
- 2,414
- Medicare patients, 2024
- 747
- Part D claims, 2024
- 2,754
- MIPS score, 2024
- 87
- Hospital affiliations
- 1
- Practice address
- 300 Evergreen Drive, Glen Mills, PA 19342
- Practice phone
- Call (484) 846-5100
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
ChristianaCare Surgery Center at Glen Mills
Surgery Center - Not Medicare-Certified · Glen Mills, Pennsylvania
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Dr. Christopher Alan Williams is an ophthalmologist in Glen Mills, Pennsylvania
Dr. Williams practices at ChristianaCare Surgery Center at Glen Mills in Glen Mills, Pennsylvania.
Dr. Williams' NPI, 1225001845, was assigned on February 13, 2006. Dr. Williams graduated from University of Iowa, RJ & L Carver College of Medicine in 1988. Dr. Williams holds Pennsylvania license MD43266L.
- NPI
- 1225001845NPI Registry (opens in a new tab)
- Medicare PAC ID
- 4284606799
- NPI enumeration date
- February 13, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (484) 846-5100
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 64
- Medical school graduation
- 1988
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Christopher Alan Williams practices at ChristianaCare Surgery Center at Glen Mills in Glen Mills, Pennsylvania
Dr. Williams' primary practice is ChristianaCare Surgery Center at Glen Mills, at 300 Evergreen Drive, Glen Mills, PA 19342. The practice phone is (484) 846-5100.
- ChristianaCare Surgery Center at Glen Mills300 Evergreen Drive, Glen Mills, PA 19342Phone(484) 846-5100
Source: Dmand AI Affiliation Data
Dr. Christopher Alan Williams is affiliated with 3 sites of care and 2 medical groups
Dr. Williams' primary practice is ChristianaCare Surgery Center at Glen Mills in Glen Mills, Pennsylvania. Dr. Williams is also affiliated with Wills Eye Hospital. Dmand AI also links Dr. Williams to 2 more medical groups and 1 group practice or clinic, 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. Christopher Alan Williams' practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Williams practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| ChristianaCare Surgery Center at Glen Mills | Available with a free account |
| +2 more sites and 2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Christopher Alan Williams is one of 843 ophthalmologists in Pennsylvania
Ophthalmology is Dr. Williams' primary specialty in the NPI Registry, under taxonomy code 207W00000X. Dr. Williams is licensed in Pennsylvania.
Specialties and state licenses
- Ophthalmology, PennsylvaniaPrimary
Ophthalmologists near Dr. Williams
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. Christopher Alan Williams billed Medicare for 2,414 services in 2024
CMS data shows 2,414 Medicare services from Dr. Williams across 16 procedure codes in 2024, for 747 Medicare patients. Medicare paid $221,117 for them.
Dr. Williams' Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 1,2452024: 1,1994%
- Tests and treatments
- 2023: 6172024: 75823%
- Surgery
- 2023: 3232024: 2988%
- Imaging
- 2023: 1632024: 1592%
Where Dr. Williams' Medicare services took place, 2024
- In an office2,26294%
- In a facility1526%
Dr. Williams compared with the Pennsylvania median for ophthalmologists, 2024
- Dr. Williams
- Pennsylvania median
- Medicare services
- 2,414vs 1,33681% above
- Medicare patients
- 747vs 52443% above
- Part D claims
- 2,622vs 6204.2 times
Medians across 854 ophthalmologists in Pennsylvania with Dmand AI profiles that report each measure.
Dr. Williams' 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. Williams and other ophthalmologists in Pennsylvania.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Christopher Alan Williams treated 747 Medicare patients in 2024, average age 75
CMS counts 747 Medicare patients who saw Dr. Williams in 2024. The largest group is 65 to 74, with 334 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 12% are also on Medicaid. Their average risk score is 1.21, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Williams' median patient age at 73, with 62% women.
Dr. Williams' Medicare patients by age, 2024
Dr. Williams' Medicare patients by sex, 2024
- Women46863%
- Men27937%
Chronic conditions among Dr. Williams' Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis48%
- Diabetes33%
- Chronic kidney disease24%
- Ischemic heart disease24%
- Anxiety22%
- Mood disorders22%
Share of Medicare patients with each condition. A patient can have several.
Dr. Williams' patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 73
Patient panel by sex, all payers
- Women62%
- Men36%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Christopher Alan Williams wrote 2,754 Medicare Part D claims in 2024
In 2024, Dr. Williams wrote 2,754 Medicare Part D claims for 894 patients. 51% of them were for generic drugs. CMS names the drug for 2,622 of them, across 25 drugs with 11 or more claims each, at $313,632 in total drug cost. In 2023, CMS named 2,672 claims across 23 drugs.
Dr. Williams' Part D claims by kind of drug, 2024
- Generic1,410 claims51%
- Brand-name1,344 claims49%
Dr. Williams' 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.
Drug classes CMS tracks in Dr. Williams' Part D claims, 2024
- Antibiotics1%39 of 2,754 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 2,6722024: 2,6222%
Drugs named by CMS: 25 in 2024, 23 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. Christopher Alan Williams scored 87 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 87 out of 100 for Dr. Williams for performance year 2024, reported as part of a group. Dr. Williams accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 304 procedures of cataract surgery by Dr. Williams, more than 90% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Dr. Williams' MIPS scores, performance year 2024
- 87of 100Final score
- 80.8of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
- 77of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Where Dr. Williams ranks in Medicare procedure volume
- Cataract surgery
- 90th percentile304 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Removal of skin lesions: 1 to 10 procedures (CMS shows small counts as a range)
Sources: Doctors and Clinicians National Downloadable File (CMS); Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026; and Doctors and Clinicians Utilization Data (CMS)
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Dr. Christopher Alan Williams received $5,255 in industry payments from 2016 to 2025
CMS Open Payments shows 196 general payments to Dr. Williams from 32 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, $1,071.
General payments to Dr. Williams by program year, 2016 to 2025
General payments to Dr. Williams by kind, 2016 to 2025
- Food and beverage$5,19899%
- Education$381%
- Gifts$190%
Companies that paid Dr. Williams 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. Christopher Alan Williams graduated from University of Iowa, RJ & L Carver College of Medicine
Dr. Williams graduated from University of Iowa, RJ & L Carver College of Medicine in 1988.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Christopher Alan Williams'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)Clinician Public Reporting: Overall MIPS Performance (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. Christopher Alan Williams
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. Christopher Alan Williams' NPI number?
Dr. Christopher Alan Williams' NPI number is 1225001845. It was assigned on February 13, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Christopher Alan Williams?
Dr. Christopher Alan Williams is an ophthalmologist in Glen Mills, Pennsylvania. The primary specialty in the NPI Registry is Ophthalmology Physician (taxonomy code 207W00000X).
Where does Dr. Christopher Alan Williams practice?
Dr. Williams practices at 300 Evergreen Drive, Glen Mills, PA 19342. Dr. Williams' primary practice is ChristianaCare Surgery Center at Glen Mills in Glen Mills, Pennsylvania. Dmand AI also links Dr. Williams to 2 medical groups and 1 group practice or clinic.
What is Dr. Christopher Alan Williams' office phone number?
The practice phone on file for Dr. Williams is (484) 846-5100.
What is Dr. Christopher Alan Williams' medical license number?
Dr. Williams holds Pennsylvania license MD43266L.
Which hospitals is Dr. Christopher Alan Williams affiliated with?
Dr. Williams is affiliated with Wills Eye Hospital.
Does Dr. Christopher Alan Williams accept Medicare?
Yes. CMS data shows Dr. Williams billed Medicare for 2,414 services in 2024, and Dr. Williams accepts Medicare assignment.
What is Dr. Christopher Alan Williams' MIPS score?
Dr. Williams' MIPS final score for performance year 2024 is 87 out of 100, reported as part of a group.
How many Medicare patients does Dr. Christopher Alan Williams see?
CMS counts 747 Medicare patients who saw Dr. Williams in 2024, with an average age of 75.
What services does Dr. Christopher Alan Williams bill to Medicare?
In 2024, Dr. Williams' most billed Medicare services were office visit, established patient (99213), office visit, established patient (99214) and eye exam or test (92083).
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Where did Dr. Christopher Alan Williams go to medical school?
Dr. Williams graduated from University of Iowa, RJ & L Carver College of Medicine in 1988.
What drugs does Dr. Christopher Alan Williams prescribe most?
In 2024 Medicare Part D data, Dr. Williams' most prescribed drugs by claims were Prednisolone Acetate, Latanoprost and Ciprofloxacin HCl.
Has Dr. Christopher Alan Williams received payments from drug or device companies?
CMS Open Payments shows $5,255 in general payments to Dr. Williams from 32 companies from 2016 to 2025. The largest total came from Alcon Laboratories Inc.
How long has Dr. Christopher Alan Williams been practicing?
Dr. Williams graduated from medical school in 1988, 38 years ago.
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