Dr. Andrew Roy Williams, MD
- Medicare services, 2024
- 586
- Medicare patients, 2024
- 355
- Part D claims, 2024
- 43
- MIPS score, 2024
- 100
- Hospital affiliations
- 2
- Practice address
- 111 East 210th Street, Bronx, NY 10467
- Practice phone
- Call (718) 920-4321
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Williams' professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Andrew Roy Williams is an emergency medicine physician in Bronx, New York
Dr. Williams practices at Montefiore Einstein Hospital-Moses Campus in Bronx, New York, part of Montefiore Einstein.
Dr. Williams' NPI, 1407120645, was assigned on March 6, 2012. Dr. Williams graduated from Albert Einstein College of Medicine of Yeshiva University in 2011. Dr. Williams holds New York license 273465.
- NPI
- 1407120645NPI Registry (opens in a new tab)
- Medicare PAC ID
- 2365767308
- NPI enumeration date
- March 6, 2012
- NPI status
- Active
- Practice phone
- (718) 920-4321
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 41
- Medical school graduation
- 2011
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. Andrew Roy Williams practices at Montefiore Einstein Hospital-Moses Campus in Bronx, New York
Dr. Williams' primary practice is Montefiore Einstein Hospital-Moses Campus, at 111 East 210th Street, Bronx, NY 10467 in Bronx County. The practice phone is (718) 920-4321.
- Montefiore Einstein Hospital-Moses Campus111 East 210th Street, Bronx, NY 10467 · Bronx CountyPhone(718) 920-4321
Source: Dmand AI Affiliation Data
Dr. Andrew Roy Williams is affiliated with 3 sites of care and 2 medical groups
Dr. Williams' primary practice is Montefiore Einstein Hospital-Moses Campus in Bronx, New York, part of Montefiore Einstein. Dr. Williams is also affiliated with NYC Health + Hospitals/Jacobi. The medical group on file is Montefiore Einstein Faculty Practice Group. Dmand AI also links Dr. Williams to 1 more school health center and 1 medical group, 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. Andrew Roy 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 |
|---|---|
| Montefiore Einstein Hospital-Moses Campus | Available with a free account |
| +2 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Andrew Roy Williams is one of 3,709 emergency medicine physicians in New York
Emergency medicine is Dr. Williams' primary specialty in the NPI Registry, under taxonomy code 207P00000X. Dr. Williams is licensed in New York.
Specialties and state licenses
- Emergency medicine, New YorkPrimary
Emergency medicine physicians near Dr. Williams
Counts of emergency medicine 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 Roy Williams billed Medicare for 586 services in 2024
CMS data shows 586 Medicare services from Dr. Williams across 4 procedure codes in 2024, for 355 Medicare patients. Medicare paid $66,898 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Williams' Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 3782024: 4016%
- Tests and treatments
- 2023: 1832024: 1851%
Dr. Williams compared with the New York median for emergency medicine physicians, 2024
- Dr. Williams
- New York median
- Medicare services
- 586vs 2192.7 times
- Medicare patients
- 355vs 21664% above
- Part D claims
- 38vs 2931% above
Medians across 3,510 emergency medicine physicians in New York 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 Roy Williams treated 355 Medicare patients in 2024, average age 75
CMS counts 355 Medicare patients who saw Dr. Williams in 2024. The largest group is 75 to 84, with 134 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 63% are also on Medicaid. Their average risk score is 3.15, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Williams' median patient age at 63, with 60% women.
Dr. Williams' Medicare patients by age, 2024
Dr. Williams' Medicare patients by sex, 2024
- Women20658%
- Men14942%
Chronic conditions among Dr. Williams' Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Diabetes69%
- Arthritis59%
- Chronic kidney disease57%
- Ischemic heart disease56%
- Heart failure50%
- Mood disorders48%
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 63
Patient panel by sex, all payers
- Women60%
- Men39%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Andrew Roy Williams wrote 43 Medicare Part D claims in 2024
In 2024, Dr. Williams wrote 43 Medicare Part D claims for 35 patients. 91% of them were for generic drugs. CMS names the drug for 38 of them, across 2 drugs with 11 or more claims each, at $83 in total drug cost. In 2022, CMS named 30 claims across 2 drugs.
Dr. Williams' Part D claims by kind of drug, 2024
- Generic39 claims91%
- Brand-name and other4 claims9%
Dr. Williams' most prescribed drugs by claims, 2023
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
- Antibiotics30%13 of 43 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, 2022 to 2023
- 2022
- 2023
- Claims for drugs CMS names
- 2022: 302023: 3827%
Drugs named by CMS: 2 in 2023, 2 in 2022.
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 Roy Williams scored 100 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 100 out of 100 for Dr. Williams for performance year 2024, reported as part of a group.
Dr. Williams' MIPS scores, performance year 2024
- 100of 100Final score
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Source: Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
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Dr. Andrew Roy Williams received $143 in industry payments from 2020 to 2025
CMS Open Payments shows 2 general payments to Dr. Williams from 2 drug and device companies from 2020 to 2025. Food and beverage make up the largest share, 100% of the total. Merck Sharp & Dohme Corporation paid the most, $124.
General payments to Dr. Williams by program year, 2020 to 2025
Companies that paid Dr. Williams the most, 2020 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Andrew Roy Williams graduated from Albert Einstein College of Medicine of Yeshiva University
Dr. Williams graduated from Albert Einstein College of Medicine of Yeshiva University in 2011.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Andrew Roy 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 | Clinician Public Reporting: Overall MIPS Performance (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. Andrew Roy 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 Roy Williams' NPI number?
Dr. Andrew Roy Williams' NPI number is 1407120645. It was assigned on March 6, 2012, and it is active in the NPI Registry.
What kind of doctor is Dr. Andrew Roy Williams?
Dr. Andrew Roy Williams is an emergency medicine physician in Bronx, New York. The primary specialty in the NPI Registry is Emergency Medicine Physician (taxonomy code 207P00000X).
Where does Dr. Andrew Roy Williams practice?
Dr. Williams practices at 111 East 210th Street, Bronx, NY 10467. Dr. Williams' primary practice is Montefiore Einstein Hospital-Moses Campus in Bronx, New York, part of Montefiore Einstein. Dmand AI also links Dr. Williams to 1 school health center and 1 medical group.
What is Dr. Andrew Roy Williams' office phone number?
The practice phone on file for Dr. Williams is (718) 920-4321.
What is Dr. Andrew Roy Williams' medical license number?
Dr. Williams holds New York license 273465.
Which hospitals is Dr. Andrew Roy Williams affiliated with?
Dr. Williams practices at Montefiore Einstein Hospital-Moses Campus in Bronx, New York. Dr. Williams is also affiliated with NYC Health + Hospitals/Jacobi.
What medical group is Dr. Andrew Roy Williams part of?
Dr. Williams is linked to Montefiore Einstein Faculty Practice Group. Dmand AI links Dr. Williams to 1 more medical group.
Does Dr. Andrew Roy Williams accept Medicare?
Yes. CMS data shows Dr. Williams billed Medicare for 586 services in 2024.
What is Dr. Andrew Roy Williams' MIPS score?
Dr. Williams' MIPS final score for performance year 2024 is 100 out of 100, reported as part of a group.
How many Medicare patients does Dr. Andrew Roy Williams see?
CMS counts 355 Medicare patients who saw Dr. Williams in 2024, with an average age of 75.
Show 5 more questionsShow fewer questions
What services does Dr. Andrew Roy Williams bill to Medicare?
In 2024, Dr. Williams' most billed Medicare services were emergency department visit (99285), heart test or procedure (93010) and critical care (99291).
Where did Dr. Andrew Roy Williams go to medical school?
Dr. Williams graduated from Albert Einstein College of Medicine of Yeshiva University in 2011.
What drugs does Dr. Andrew Roy Williams prescribe most?
In 2023 Medicare Part D data, Dr. Williams' most prescribed drugs by claims were Oxycodone-Acetaminophen and Prednisone.
Has Dr. Andrew Roy Williams received payments from drug or device companies?
CMS Open Payments shows $143 in general payments to Dr. Williams from 2 companies from 2020 to 2025. The largest total came from Merck Sharp & Dohme Corporation.
How long has Dr. Andrew Roy Williams been practicing?
Dr. Williams graduated from medical school in 2011, 15 years ago.
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