Dr. Andrew Mitchell Williams, MD
- Medicare services, 2024
- 1,136
- Medicare patients, 2024
- 319
- Part D claims, 2024
- 4,150
- Publications
- 39
- MIPS score, 2024
- 81
- Practice address
- 2 Hot Metal Street, Pittsburgh, PA 15203
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
University of Pittsburgh Physicians - HOPD
Acute Care Hospital outpatient department · Pittsburgh, Pennsylvania
Find Dr. Williams' professional email, personal email and mobile number
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Dr. Andrew Mitchell Williams is a glaucoma specialist (ophthalmology) physician in Pittsburgh, Pennsylvania
Dr. Williams practices at University of Pittsburgh Physicians - HOPD in Pittsburgh, Pennsylvania.
Dr. Williams' NPI, 1669826681, was assigned on April 15, 2016. Dr. Williams graduated from Michigan State University College of Human Medicine in 2016. Dr. Williams holds Pennsylvania license MD472916.
- NPI
- 1669826681NPI Registry (opens in a new tab)
- Medicare PAC ID
- 1456772698
- NPI enumeration date
- April 15, 2016
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 36
- Medical school graduation
- 2016
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Andrew Mitchell Williams practices at University of Pittsburgh Physicians - HOPD in Pittsburgh, Pennsylvania
Dr. Williams' primary practice is University of Pittsburgh Physicians - HOPD, at 2 Hot Metal Street, Pittsburgh, PA 15203.
- University of Pittsburgh Physicians - HOPD2 Hot Metal Street, Pittsburgh, PA 15203
Source: Dmand AI Affiliation Data
Dr. Andrew Mitchell Williams is affiliated with 5 sites of care and 1 medical group
Dr. Williams' primary practice is University of Pittsburgh Physicians - HOPD in Pittsburgh, Pennsylvania. Dr. Williams is also affiliated with UPMC Presbyterian. The medical group on file is University of Pittsburgh Physicians, Department of Radiology. Dmand AI also links Dr. Williams to 2 more hospitals and 1 group practice or clinic, each named with a free account. Dr. Williams' employer is on file too: a hospital.
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Andrew Mitchell Williams' practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Williams practices, 5 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| University of Pittsburgh Physicians - HOPD | Available with a free account |
| +4 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Andrew Mitchell Williams is one of 15 glaucoma specialist (ophthalmology) physicians in Pennsylvania
Glaucoma specialist is Dr. Williams' primary specialty in the NPI Registry, under taxonomy code 207WX0009X. Dmand AI has Dr. Williams' licenses on file in 2 states: Pennsylvania and North Carolina.
Specialties and state licenses
- Glaucoma specialist (ophthalmology), PennsylvaniaPrimary
- Ophthalmology, North Carolina
Glaucoma specialist (ophthalmology) physicians near Dr. Williams
Counts of glaucoma specialist (ophthalmology) physicians 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. Andrew Mitchell Williams billed Medicare for 1,136 services in 2024
CMS data shows 1,136 Medicare services from Dr. Williams across 11 procedure codes in 2024, for 319 Medicare patients. Medicare paid $69,352 for them.
Dr. Williams' Medicare services by type, 2023 to 2024
- 2023
- 2024
- Tests and treatments
- 2023: 6612024: 72710%
- Office and hospital visits
- 2023: 2942024: 34116%
- Surgery
- 2023: 472024: 3721%
- Imaging
- 2023: 412024: 3124%
Where Dr. Williams' Medicare services took place, 2024
- In an office1,11898%
- In a facility182%
Dr. Williams compared with the Pennsylvania median for glaucoma specialist (ophthalmology) physicians, 2024
- Dr. Williams
- Pennsylvania median
- Medicare services
- 1,136vs 1,2046% below
- Medicare patients
- 319vs 36011% below
- Part D claims
- 4,017vs 1,9102.1 times
Medians across 14 glaucoma specialist (ophthalmology) physicians 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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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Andrew Mitchell Williams treated 319 Medicare patients in 2024, average age 74
CMS counts 319 Medicare patients who saw Dr. Williams in 2024. The largest group is 65 to 74, with 162 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 8% are also on Medicaid. Their average risk score is 1.23, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Williams' median patient age at 74, with 54% women.
Dr. Williams' Medicare patients by age, 2024
Dr. Williams' Medicare patients by sex, 2024
- Women18056%
- Men13944%
Chronic conditions among Dr. Williams' Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis49%
- Diabetes29%
- Mood disorders25%
- Anxiety23%
- Depression23%
- Ischemic heart disease21%
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 74
Patient panel by sex, all payers
- Women54%
- Men44%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Andrew Mitchell Williams wrote 4,150 Medicare Part D claims in 2024
In 2024, Dr. Williams wrote 4,150 Medicare Part D claims for 736 patients. 71% of them were for generic drugs. CMS names the drug for 4,017 of them, across 25 drugs with 11 or more claims each, at $511,542 in total drug cost. In 2023, CMS named 3,083 claims across 24 drugs.
Dr. Williams' Part D claims by kind of drug, 2024
- Generic2,966 claims71%
- Brand-name1,184 claims29%
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.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 3,0832024: 4,01730%
Drugs named by CMS: 25 in 2024, 24 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. Andrew Mitchell Williams scored 81 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 81 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 59 procedures of cataract surgery by Dr. Williams, more than 66% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Dr. Williams' MIPS scores, performance year 2024
- 81of 100Final score
- 61.9of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
- 75of 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
- 66th percentile59 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Removal or shaving of skin growth: 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. Andrew Mitchell Williams has 39 publications on record
Dmand AI links 39 papers to Dr. Williams, published from 2016 to 2025. 2022 was the busiest year, with 7. The most frequent topics are Glaucoma, Ophthalmology and Visual Acuity. Dr. Williams has published most often in Am J Ophthalmol. Dr. Williams' most frequent co-authors are Evan L. Waxman, Kelly Walton Muir, MD and Benjamin Wise Botsford, MD.
Dr. Williams' papers by year, 2016 to 2025
Topics Dr. Williams writes about most
- Glaucoma
- Ophthalmology
- Visual Acuity
- Medication Adherence
- Diabetic Retinopathy
- Eye Diseases
- Patient Compliance
- Tomography, Optical Coherence
Dr. Williams' most frequent co-authors
- Evan L. Waxman11 shared papers
- Kelly Walton Muir, MD9 shared papers
- Benjamin Wise Botsford, MD5 shared papers
Recent publications by Dr. Williams
See who Dr. Williams researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Williams works with, so you can find a warm path to the right glaucoma specialist (ophthalmology) physicians.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Andrew Mitchell Williams received $3,820 in industry payments from 2017 to 2025
CMS Open Payments shows 23 general payments to Dr. Williams from 8 drug and device companies from 2017 to 2025. Food and beverage make up the largest share, 52% of the total. Alcon Research Ltd paid the most, $1,046.
General payments to Dr. Williams by program year, 2017 to 2025
General payments to Dr. Williams by kind, 2017 to 2025
- Food and beverage$1,97652%
- Consulting fees$1,74646%
- Education$983%
Companies that paid Dr. Williams the most, 2017 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Andrew Mitchell Williams graduated from Michigan State University College of Human Medicine
Dr. Williams graduated from Michigan State University College of Human Medicine in 2016.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Andrew Mitchell 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 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) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| 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. Andrew Mitchell 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. Andrew Mitchell Williams' NPI number?
Dr. Andrew Mitchell Williams' NPI number is 1669826681. It was assigned on April 15, 2016, and it is active in the NPI Registry.
What kind of doctor is Dr. Andrew Mitchell Williams?
Dr. Andrew Mitchell Williams is a glaucoma specialist (ophthalmology) physician in Pittsburgh, Pennsylvania. The primary specialty in the NPI Registry is Glaucoma Specialist (Ophthalmology) Physician (taxonomy code 207WX0009X).
Where does Dr. Andrew Mitchell Williams practice?
Dr. Williams practices at 2 Hot Metal Street, Pittsburgh, PA 15203. Dr. Williams' primary practice is University of Pittsburgh Physicians - HOPD in Pittsburgh, Pennsylvania. Dmand AI also links Dr. Williams to 2 hospitals and 1 group practice or clinic.
What is Dr. Andrew Mitchell Williams' medical license number?
Dr. Williams holds Pennsylvania license MD472916, one of the licenses on file in 2 states.
Which states has Dr. Andrew Mitchell Williams been licensed in?
Dmand AI has state licenses on file for Dr. Williams in Pennsylvania and North Carolina.
Which hospitals is Dr. Andrew Mitchell Williams affiliated with?
Dr. Williams is affiliated with UPMC Presbyterian. Dmand AI links Dr. Williams to 2 more hospitals.
What medical group is Dr. Andrew Mitchell Williams part of?
Dr. Williams is linked to University of Pittsburgh Physicians, Department of Radiology.
Does Dr. Andrew Mitchell Williams accept Medicare?
Yes. CMS data shows Dr. Williams billed Medicare for 1,136 services in 2024, and Dr. Williams accepts Medicare assignment.
What is Dr. Andrew Mitchell Williams' MIPS score?
Dr. Williams' MIPS final score for performance year 2024 is 81 out of 100, reported as part of a group.
How many Medicare patients does Dr. Andrew Mitchell Williams see?
CMS counts 319 Medicare patients who saw Dr. Williams in 2024, with an average age of 74.
Show 7 more questionsShow fewer questions
What services does Dr. Andrew Mitchell Williams bill to Medicare?
In 2024, Dr. Williams' most billed Medicare services were eye exam or test (92133), eye exam or test (92083) and eye exam or test (92014).
Where did Dr. Andrew Mitchell Williams go to medical school?
Dr. Williams graduated from Michigan State University College of Human Medicine in 2016.
What drugs does Dr. Andrew Mitchell Williams prescribe most?
In 2024 Medicare Part D data, Dr. Williams' most prescribed drugs by claims were Latanoprost, Dorzolamide-Timolol and Brimonidine Tartrate.
Has Dr. Andrew Mitchell Williams received payments from drug or device companies?
CMS Open Payments shows $3,820 in general payments to Dr. Williams from 8 companies from 2017 to 2025. The largest total came from Alcon Research Ltd.
How long has Dr. Andrew Mitchell Williams been practicing?
Dr. Williams graduated from medical school in 2016, 10 years ago.
Does Dr. Andrew Mitchell Williams do research?
Dmand AI links 39 publications to Dr. Williams, published from 2016 to 2025.
Who does Dr. Andrew Mitchell Williams publish with?
Dr. Williams' most frequent co-authors are Evan L. Waxman (11 shared papers), Kelly Walton Muir, MD (9 shared papers) and Benjamin Wise Botsford, MD (5 shared papers).
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