Andrew Williams, MD
Glaucoma Specialist (Ophthalmology) Physician · Pittsburgh, PA
Andrew Williams, MD is a glaucoma specialist (ophthalmology) physician with a practice address in Pittsburgh, Pennsylvania, and NPI 1669826681, issued on Apr 15, 2016. Check the license (Pennsylvania MD472916, as entered in NPPES) on the Pennsylvania Department of State (PALS); the Medicare figures below come from public CMS files.
- Name
- Andrew Williams
- Credential
- MD
- Primary taxonomy
- Glaucoma Specialist (Ophthalmology) Physician 207WX0009X
- License numbers
- MD472916 PA
2020-00372 NC
Self-reported in NPPES; status is on the state search - Practice location
- 203 Lothrop St FL 8, Pittsburgh, PA 15213
- Phone
- (412) 647-2200
- Enumerated
- Apr 15, 2016
- Record last updated
- Aug 11, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (412) 547-5119
- Medicare enrollment
- Enrolled (PECOS I20210809002768); accepts Medicare assignment
- Medical or professional school
- Michigan State University College Of Human Medicine, 2016
- Entity
- Type 1 · individual
8 nearest glaucoma specialist (ophthalmology) physician records → All 17 in Pennsylvania → Look up another NPI →
Also registered at 203 Lothrop St FL 8
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Elizabeth Conner, MBCHBPediatric Ophthalmology and Strabismus Specialist Physician1235711649
- Can Kocasarac, MDNeuro-ophthalmology Physician1558990846
- Joseph MartelOphthalmology Physician1326247545
- Sabrina Mukhtar, MDCornea and External Diseases Specialist Physician1992239461
- Colin PrenskyRetina Specialist (Ophthalmology) Physician1255682217
- Lillian To, MDGlaucoma Specialist (Ophthalmology) Physician1487181848
Verify Andrew Williams in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersPennsylvania Department of State (PALS)
Search for license MD472916Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
36% more Medicare Part D claims than the average glaucoma specialist (ophthalmology) physician in 2024
4,150 Medicare Part D claims for 736 beneficiaries, against an average of 3,060 among the 430 providers of this specialty who prescribed in Part D. Brand-name drugs were 29% of claims.
Most prescribed
- Latanoprost1,072 claims
- Dorzolamide-Timolol627 claims
- Brimonidine Tartrate477 claims
- Timolol Maleate282 claims
- Dorzolamide Hcl268 claims
- Lumigan252 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: $1,513.16
5 payments; by number, the most common kind was food and beverage; the largest payer was Alcon Research LLC. The 391 providers of this specialty with any payment received $5,284.60 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 one group practice
- University OF Pittsburgh PhysiciansPittsburgh, PA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Andrew Williams among 17 glaucoma specialist (ophthalmology) physician records in Pennsylvania
Andrew Williams, MD is one of 17 glaucoma specialist (ophthalmology) physician records with a practice address in Pennsylvania. 100% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2016, is newer than 59% of them.
- NPI issued2016 · 59% of these records are older, 29% newer
- In a Medicare fileYes · 100% of these records are
- In the CMS Doctors and Clinicians fileYes · 88% of these records are
- Graduated2016 · median 2014 among the 15 with a school on file
- Record last updated2021 · 47% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207WX0009X and a Pennsylvania practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Glaucoma Specialist (Ophthalmology) Physician providers in Pennsylvania
There are 17 glaucoma specialist (ophthalmology) physician records in Pennsylvania.
All 17 in Pennsylvania → Every provider in Pittsburgh → Glaucoma Specialist (Ophthalmology) Physician nationwide →
The 8 glaucoma specialist (ophthalmology) physician records with the nearest ZIP codes
- Lillian To, MDPittsburgh, PA 152131487181848
- Tadhg Schempf, MDSewickley, PA 151431376108092
- Shelley Mo, M.D.Lancaster, PA 176011265963458
- Stephen Hudock, MDSayre, PA 188401790753374
- Zachary NadlerAbington, PA 190011013477025
- Anfei Li, MDBala Cynwyd, PA 190041407477318
- Victoria Addis, M.D.Philadelphia, PA 191041972826584
- Qi Cui, M.D., PH.D.Philadelphia, PA 191041013205145
Common questions
What is Andrew Williams, MD's NPI number?
Andrew Williams, MD's National Provider Identifier (NPI) is 1669826681, issued on Apr 15, 2016. An NPI identifies a provider in billing; it is not a license.
Where is Andrew Williams, MD located?
The NPPES record lists a practice address at 203 Lothrop St FL 8, Pittsburgh, PA, 15213. Phone: (412) 647-2200. Providers update this record themselves, so call before visiting.
How can I verify Andrew Williams, MD's license?
NPPES lists Pennsylvania license number MD472916, 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 Andrew Williams, MD prescribe under Medicare Part D?
In 2024, Andrew Williams, MD had 4,150 Medicare Part D claims for 736 beneficiaries; the average among glaucoma specialist (ophthalmology) physician prescribers was 3,060. 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.