Dr. William Howard McCoy IV, MD
- Medicare services, 2024
- 326
- Medicare patients, 2024
- 115
- Part D claims, 2024
- 345
- Publications
- 12
- MIPS score, 2024
- 84
- Practice address
- 4901 Forest Park Ave, Saint Louis, MO 63108
- Practice phone
- Call (314) 747-5192
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Washington University School of Medicine
Saint Louis, Missouri
Find Dr. McCoy's professional email, personal email and mobile number
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Dr. William Howard McCoy IV is a dermatologist in Saint Louis, Missouri
Dr. McCoy practices at Washington University School of Medicine in Saint Louis, Missouri.
Dr. McCoy's NPI, 1588003750, was assigned on June 20, 2013. Dr. McCoy graduated from Washington University School of Medicine in 2013. Dr. McCoy holds Missouri license 2017010127.
- NPI
- 1588003750NPI Registry (opens in a new tab)
- Medicare PAC ID
- 4789813197
- NPI enumeration date
- June 20, 2013
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (314) 747-5192
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 39
- Medical school graduation
- 2013
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. William Howard McCoy IV practices at Washington University School of Medicine in Saint Louis, Missouri
Dr. McCoy's primary practice is Washington University School of Medicine, at 4901 Forest Park Ave, Saint Louis, MO 63108 in Saint Louis City. The practice phone is (314) 747-5192.
- Washington University School of Medicine4901 Forest Park Ave, Saint Louis, MO 63108 · Saint Louis CityPhone(314) 747-5192
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. William Howard McCoy IV is affiliated with 3 sites of care and 1 medical group
Dr. McCoy's primary practice is Washington University School of Medicine in Saint Louis, Missouri. Dr. McCoy is also affiliated with Barnes-Jewish Hospital. The medical group on file is WashU Medicine Psychiatry. Dmand AI also links Dr. McCoy to 1 more group practice or clinic, named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. William Howard McCoy IV's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. McCoy practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Washington University School of Medicine | Available with a free account |
| +2 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. William Howard McCoy IV is one of 234 dermatologists in Missouri
Dermatology is Dr. McCoy's primary specialty in the NPI Registry, under taxonomy code 207N00000X. Dr. McCoy is licensed in Missouri.
Specialties and state licenses
- Dermatology, MissouriPrimary
Dermatologists near Dr. McCoy
Counts of dermatologists 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. William Howard McCoy IV billed Medicare for 326 services in 2024
CMS data shows 326 Medicare services from Dr. McCoy across 8 procedure codes in 2024, for 115 Medicare patients. Medicare paid $15,647 for them. Every service was in an office.
Dr. McCoy's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Surgery
- 2023: 1332024: 18237%
- Office and hospital visits
- 2023: 1132024: 14427%
Dr. McCoy compared with the Missouri median for dermatologists, 2024
- Dr. McCoy
- Missouri median
- Medicare services
- 326vs 2,18585% below
- Medicare patients
- 115vs 55879% below
- Part D claims
- 242vs 55056% below
Medians across 223 dermatologists in Missouri with Dmand AI profiles that report each measure.
Dr. McCoy's 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. William Howard McCoy IV treated 115 Medicare patients in 2024, average age 71
CMS counts 115 Medicare patients who saw Dr. McCoy in 2024. The largest group is 65 to 74, with 58 patients. 65% of them have high cholesterol, and 57% have high blood pressure. 17% are also on Medicaid. Their average risk score is 1.28, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. McCoy's median patient age at 54, with 57% women.
Dr. McCoy's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. McCoy's Medicare patients by sex, 2024
- Women6254%
- Men5346%
Chronic conditions among Dr. McCoy's Medicare patients, 2024
- High cholesterol65%
- High blood pressure57%
- Arthritis50%
- Mood disorders29%
- Chronic kidney disease23%
- Diabetes23%
- Depression22%
- Ischemic heart disease22%
Share of Medicare patients with each condition. A patient can have several.
Dr. McCoy's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 54
Patient panel by sex, all payers
- Women57%
- Men43%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. William Howard McCoy IV wrote 345 Medicare Part D claims in 2024
In 2024, Dr. McCoy wrote 345 Medicare Part D claims for 96 patients. 89% of them were for generic drugs. CMS names the drug for 242 of them, across 6 drugs with 11 or more claims each, at $6,080 in total drug cost. In 2023, CMS named 117 claims across 5 drugs.
Dr. McCoy's Part D claims by kind of drug, 2024
- Generic307 claims89%
- Brand-name38 claims11%
Dr. McCoy's 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. McCoy's Part D claims, 2024
- Antibiotics6%19 of 345 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: 1172024: 242107%
Drugs named by CMS: 6 in 2024, 5 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. William Howard McCoy IV scored 84 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 84 out of 100 for Dr. McCoy for performance year 2024, reported as part of a group. Dr. McCoy accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 94 procedures of removal of skin lesions by Dr. McCoy, more than 75% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Dr. McCoy's MIPS scores, performance year 2024
- 84of 100Final score
- 71.6of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
- 76of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Where Dr. McCoy ranks in Medicare procedure volume
- Removal of skin lesions
- 75th percentile94 procedures
- Skin biopsy
- 71st percentile63 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
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. William Howard McCoy IV has 12 publications on record
Dmand AI links 12 papers to Dr. McCoy, published from 2012 to 2025. 2022 was the busiest year, with 3. The most frequent topics are Antigen Presentation, Cowpox and Cowpox virus. Dr. McCoy has published most often in JAAD Case Rep. Dr. McCoy's most frequent co-authors are Alexander William Aleem, MD, Elaine Otchere, MD and Sydney Brianna Sillart, MD.
Dr. McCoy's papers by year, 2012 to 2025
Topics Dr. McCoy writes about most
- Antigen Presentation
- Cowpox
- Cowpox virus
- Golgi Apparatus
- Immune Evasion
- Protein Transport
- Urinary Tract Infections
- Viral Proteins
Dr. McCoy's most frequent co-authors
- Alexander William Aleem, MD2 shared papers
- Elaine Otchere, MD2 shared papers
- Sydney Brianna Sillart, MD2 shared papers
Recent publications by Dr. McCoy
See who Dr. McCoy researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. McCoy works with, so you can find a warm path to the right dermatologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. William Howard McCoy IV received $228 in industry payments from 2016 to 2017
CMS Open Payments shows 4 general payments to Dr. McCoy from 3 drug and device companies from 2016 to 2017. Food and beverage make up the largest share, 57% of the total. Janssen Pharmaceuticals, Inc paid the most, $98.
General payments to Dr. McCoy by program year, 2016 to 2017
General payments to Dr. McCoy by kind, 2016 to 2017
- Food and beverage$13057%
- Education$9843%
Companies that paid Dr. McCoy the most, 2016 to 2017
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. William Howard McCoy IV graduated from Washington University School of Medicine
Dr. McCoy graduated from Washington University School of Medicine in 2013.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. William Howard McCoy IV'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 | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand 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. William Howard McCoy IV
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What is Dr. William Howard McCoy IV's NPI number?
Dr. William Howard McCoy IV's NPI number is 1588003750. It was assigned on June 20, 2013, and it is active in the NPI Registry.
What kind of doctor is Dr. William Howard McCoy IV?
Dr. William Howard McCoy IV is a dermatologist in Saint Louis, Missouri. The primary specialty in the NPI Registry is Dermatology Physician (taxonomy code 207N00000X).
Where does Dr. William Howard McCoy IV practice?
Dr. McCoy practices at 4901 Forest Park Ave, Saint Louis, MO 63108. Dr. McCoy's primary practice is Washington University School of Medicine in Saint Louis, Missouri. Dmand AI also links Dr. McCoy to 1 group practice or clinic.
What is Dr. William Howard McCoy IV's office phone number?
The practice phone on file for Dr. McCoy is (314) 747-5192.
What is Dr. William Howard McCoy IV's medical license number?
Dr. McCoy holds Missouri license 2017010127.
Which hospitals is Dr. William Howard McCoy IV affiliated with?
Dr. McCoy is affiliated with Barnes-Jewish Hospital.
What medical group is Dr. William Howard McCoy IV part of?
Dr. McCoy is linked to WashU Medicine Psychiatry.
Does Dr. William Howard McCoy IV accept Medicare?
Yes. CMS data shows Dr. McCoy billed Medicare for 326 services in 2024, and Dr. McCoy accepts Medicare assignment.
What is Dr. William Howard McCoy IV's MIPS score?
Dr. McCoy's MIPS final score for performance year 2024 is 84 out of 100, reported as part of a group.
How many Medicare patients does Dr. William Howard McCoy IV see?
CMS counts 115 Medicare patients who saw Dr. McCoy in 2024, with an average age of 71.
Show 7 more questionsShow fewer questions
What services does Dr. William Howard McCoy IV bill to Medicare?
In 2024, Dr. McCoy's most billed Medicare services were surgery: skin and soft tissue (17003), office visit, established patient (99213) and office visit, established patient (99214).
Where did Dr. William Howard McCoy IV go to medical school?
Dr. McCoy graduated from Washington University School of Medicine in 2013.
What drugs does Dr. William Howard McCoy IV prescribe most?
In 2024 Medicare Part D data, Dr. McCoy's most prescribed drugs by claims were Triamcinolone Acetonide, Ketoconazole and Clobetasol Propionate.
Has Dr. William Howard McCoy IV received payments from drug or device companies?
CMS Open Payments shows $228 in general payments to Dr. McCoy from 3 companies from 2016 to 2017. The largest total came from Janssen Pharmaceuticals, Inc.
How long has Dr. William Howard McCoy IV been practicing?
Dr. McCoy graduated from medical school in 2013, 13 years ago.
Does Dr. William Howard McCoy IV do research?
Dmand AI links 12 publications to Dr. McCoy, published from 2012 to 2025.
Who does Dr. William Howard McCoy IV publish with?
Dr. McCoy's most frequent co-authors are Alexander William Aleem, MD (2 shared papers), Elaine Otchere, MD (2 shared papers) and Sydney Brianna Sillart, MD (2 shared papers).
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