Christopher Alan Williams, M.D.
Ophthalmology Physician · Chester, PA
Christopher Alan Williams, M.D. is an ophthalmology physician with a practice address in Chester, Pennsylvania, and NPI 1225001845, issued on Feb 13, 2006. Check the license (Pennsylvania MD43266L, as entered in NPPES) on the Pennsylvania Department of State (PALS); the Medicare figures below come from public CMS files.
- Name
- Christopher Alan Williams
- Credential
- M.D.
- Primary taxonomy
- Ophthalmology Physician 207W00000X
- License number
- MD43266L PA
Self-reported in NPPES; status is on the state search - Practice location
- 30 Medical Center Blvd Ste 104, Chester, PA 19013
- Phone
- (610) 874-5261
- Enumerated
- Feb 13, 2006
- Record last updated
- Nov 1, 2020 (not updated in 6 years: call before relying on the address or phone)
- Fax
- (610) 874-0318
- Medicaid ID
- 01139430201 PA
- Medicare enrollment
- Enrolled (PECOS I20040806000155); accepts Medicare assignment
- Medical or professional school
- University Of Iowa, Rj & L Carver College Of Medicine, 1988
- Entity
- Type 1 · individual
8 nearest ophthalmology physician records → All 1,088 in Pennsylvania → Look up another NPI →
Also registered at 30 Medical Center Blvd Ste 104
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Megan Buliano Smith, O.D.Optometrist1598739567
- Sheldon Morris, M.D.Ophthalmology Physician1821080532
- John Noyes, ODOptometrist1710054390
- John Witherell, M.D.Ophthalmology Physician1811984206
Verify Christopher Alan Williams in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersPennsylvania Department of State (PALS)
Search for license MD43266LCheck the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
81% more Medicare Part D claims than the average ophthalmology physician in 2024
2,754 Medicare Part D claims for 894 beneficiaries, against an average of 1,518 among the 16,459 providers of this specialty who prescribed in Part D. Brand-name drugs were 49% of claims.
Most prescribed
- Prednisolone Acetate601 claims
- Latanoprost474 claims
- Ciprofloxacin Hcl315 claims
- Erythromycin204 claims
- Brimonidine Tartrate152 claims
- Timolol Maleate131 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 88.3 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $834.55
33 payments; by number, the most common kind was food and beverage; the largest payer was Mallinckrodt Hospital Products Inc. 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 2 group practices
- Ophthalmic Surgical Associates IncChester, 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).
Christopher Alan Williams among 1,088 ophthalmology physician records in Pennsylvania
Christopher Alan Williams, M.D. 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 2006, is newer than 22% of them.
- NPI issued2006 · 22% of these records are older, 40% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 67% of these records are
- Graduated1988 · median 2000 among the 734 with a school on file
- Record last updated2020 · 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).
Ophthalmology Physician providers in Pennsylvania
There are 1,088 ophthalmology physician records in Pennsylvania.
All 1,088 in Pennsylvania → Every provider in Chester → Ophthalmology Physician nationwide →
The 8 ophthalmology physician records with the nearest ZIP codes
- Sheldon Morris, M.D.Chester, PA 190131821080532
- John Witherell, M.D.Chester, PA 190131811984206
- Elaine Zhou, MDChester, PA 190131407388895
- Lawrence Schaffzin, M.D.Cheltenham, PA 190121265538037
- Kenneth Braun, MDBryn Mawr, PA 190101740526417
- James Carty, M.D.Bryn Mawr, PA 190101134114572
- Michael Dellavecchia, MD, PHD, FACSBryn Mawr, PA 190101437172277
- Peter Gross, M.D.Bryn Mawr, PA 190101487718201
Common questions
What is Christopher Alan Williams, M.D.'s NPI number?
Christopher Alan Williams, M.D.'s National Provider Identifier (NPI) is 1225001845, issued on Feb 13, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Christopher Alan Williams, M.D. located?
The NPPES record lists a practice address at 30 Medical Center Blvd Ste 104, Chester, PA, 19013. Phone: (610) 874-5261. Providers update this record themselves, so call before visiting.
How can I verify Christopher Alan Williams, M.D.'s license?
NPPES lists Pennsylvania license number MD43266L, 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 Christopher Alan Williams, M.D. prescribe under Medicare Part D?
In 2024, Christopher Alan Williams, M.D. had 2,754 Medicare Part D claims for 894 beneficiaries; the average among ophthalmology physician prescribers was 1,518. Part D covers Medicare prescriptions only.
What is Christopher Alan Williams, M.D.'s MIPS final score?
The 2023 MIPS final score is 88.3 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.