Dr. Michael Jay McWilliams, MD

  • Wilmington, NC
  • Internist
NPI1437361391PAC ID0547354086
Medicare services, 2024
6,647
Medicare patients, 2024
384
Part D claims, 2024
6,434
Hospital affiliations
3
Industry payments
$394
Practice address
1202 Medical Center Dr, Wilmington, NC 28401
Practice phone
Call (910) 341-3300
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Wilmington Health

Wilmington, North Carolina

See all 7 affiliations

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Dr. Michael Jay McWilliams is an internist in Wilmington, North Carolina

Dr. McWilliams practices at Wilmington Health in Wilmington, North Carolina.

Dr. McWilliams' NPI, 1437361391, was assigned on May 4, 2007. Dr. McWilliams graduated from Georgetown University School of Medicine in 1999. Dr. McWilliams holds North Carolina license 2007-00244.

NPI and contact details
Medicare PAC ID
0547354086
NPI enumeration date
May 4, 2007
NPI status
Active
Accepts Medicare assignment
Yes
Offers telehealth
Yes
Practice phone
(910) 341-3300
Professional email
Get email
Personal email
Get email
Mobile number
Get number
Sex
Male
Estimated age
53
Medical school graduation
1999

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)

Dr. Michael Jay McWilliams practices at Wilmington Health in Wilmington, North Carolina

Dr. McWilliams' primary practice is Wilmington Health, at 1202 Medical Center Dr, Wilmington, NC 28401 in New Hanover County. The practice phone is (910) 341-3300.

  • Wilmington Health
    1202 Medical Center Dr, Wilmington, NC 28401 · New Hanover CountyPhone(910) 341-3300

Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data

Dr. Michael Jay McWilliams is affiliated with 6 sites of care and 1 medical group

Dr. McWilliams' primary practice is Wilmington Health in Wilmington, North Carolina. Dr. McWilliams is also affiliated with Novant Health New Hanover Regional Medical Center. The medical group on file is Wilmington Health. Dmand AI also links Dr. McWilliams to 2 more hospitals, 1 group practice or clinic and 1 home health agency, each named with a free account.

See all 7 affiliations for Dr. McWilliams

Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data

Dmand AI tracks the EHR system at Dr. Michael Jay McWilliams' practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. McWilliams practices, 5 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Wilmington HealthAvailable with a free account
+5 more affiliated sitesAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Michael Jay McWilliams is one of 3,705 internists in North Carolina

Internal medicine is Dr. McWilliams' primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. McWilliams is licensed in North Carolina.

Specialties and state licenses

  • Internal medicine, North CarolinaPrimaryLicense 2007-00244 · taxonomy 207R00000X

Internists near Dr. McWilliams

Counts of internists 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. Michael Jay McWilliams billed Medicare for 6,647 services in 2024

CMS data shows 6,647 Medicare services from Dr. McWilliams across 31 procedure codes in 2024, for 384 Medicare patients. Medicare paid $184,498 for them. Every service was in an office.

Medicare services, 20246,647
Medicare patients384
Paid by Medicare$184,498
Procedure codes31

Dr. McWilliams' Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Lab and pathology
2023: 2,2992024: 2,2363%
Drugs given in the office
2023: 1,7402024: 1,740No change
Other services
2023: 4742024: 90992%
Office and hospital visits
2023: 9232024: 8933%
Surgery
2023: 7572024: 7353%
Tests and treatments
2023: 1832024: 13427%

Dr. McWilliams compared with the North Carolina median for internists, 2024

  • Dr. McWilliams
  • North Carolina median
Medicare services
6,647vs 52112.8 times
Medicare patients
384vs 1852.1 times
Part D claims
5,900vs 27221.7 times

Medians across 3,695 internists in North Carolina with Dmand AI profiles that report each measure.

Dr. McWilliams' 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.

See all procedures by Dr. McWilliams

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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Dr. Michael Jay McWilliams treated 384 Medicare patients in 2024, average age 74

CMS counts 384 Medicare patients who saw Dr. McWilliams in 2024. The largest group is 65 to 74, with 199 patients. 75% of them have high cholesterol, and 70% have high blood pressure. Their average risk score is 1.06, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Dr. McWilliams' median patient age at 69, with 51% women.

Medicare patients, 2024384
Average age74
Average risk score1.06

Dr. McWilliams' Medicare patients by age, 2024

Dr. McWilliams' Medicare patients by sex, 2024

  • Women18749%
  • Men19751%

Chronic conditions among Dr. McWilliams' Medicare patients, 2024

  1. High cholesterol75%
  2. High blood pressure70%
  3. Arthritis34%
  4. Mood disorders27%
  5. Anxiety26%
  6. Ischemic heart disease26%
  7. Depression25%
  8. Diabetes23%

Share of Medicare patients with each condition. A patient can have several.

Dr. McWilliams' patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 69

Patient panel by sex, all payers

  • Women51%
  • Men48%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Dr. Michael Jay McWilliams wrote 6,434 Medicare Part D claims in 2024

In 2024, Dr. McWilliams wrote 6,434 Medicare Part D claims for 486 patients. 92% of them were for generic drugs. CMS names the drug for 5,900 of them, across 97 drugs with 11 or more claims each, at $354,327 in total drug cost. In 2023, CMS named 5,564 claims across 93 drugs.

Part D claims, 20246,434
Drugs named by CMS97
Total drug cost$354,327
Part D patients486

Dr. McWilliams' Part D claims by kind of drug, 2024

  • Generic5,891 claims92%
  • Brand-name529 claims8%
  • Other14 claims0%

Dr. McWilliams' 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. McWilliams' Part D claims, 2024

  • Opioids0%19 of 6,434 claims
  • Antibiotics1%54 of 6,434 claims
  • Antipsychotics, patients 65 and over0%21 of 6,434 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: 5,5642024: 5,9006%

Drugs named by CMS: 97 in 2024, 93 in 2023.

See all prescribing by Dr. McWilliams

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. Michael Jay McWilliams offers telehealth to Medicare patients

Dr. McWilliams accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. McWilliams as offering telehealth.

Accepts Medicare assignment
Yes
Offers telehealth
Yes

Source: Doctors and Clinicians National Downloadable File (CMS)

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Dr. Michael Jay McWilliams received $394 in industry payments from 2016 to 2024

CMS Open Payments shows 12 general payments to Dr. McWilliams from 6 drug and device companies from 2016 to 2024. Gifts make up the largest share, 57% of the total. Tosoh Bioscience, Inc. paid the most, $226.

General payments to Dr. McWilliams by program year, 2016 to 2024

General payments to Dr. McWilliams by kind, 2016 to 2024

$394in total
  • Gifts$22657%
  • Food and beverage$16843%

Companies that paid Dr. McWilliams the most, 2016 to 2024

Share is of all general payments to this clinician.

See all payments to Dr. McWilliams

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Dr. Michael Jay McWilliams graduated from Georgetown University School of Medicine

Dr. McWilliams graduated from Georgetown University School of Medicine in 1999.

  1. Medical schoolGeorgetown University School of Medicine

Source: Dmand AI Professional Profile Data

Sources for Dr. Michael Jay McWilliams's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data
Primary practice, affiliations and health systemNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare 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 percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Training, board certification and membershipsDmand AI Professional Profile Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Dr. Michael Jay McWilliams

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. Michael Jay McWilliams' NPI number?

Dr. Michael Jay McWilliams' NPI number is 1437361391. It was assigned on May 4, 2007, and it is active in the NPI Registry.

What kind of doctor is Dr. Michael Jay McWilliams?

Dr. Michael Jay McWilliams is an internist in Wilmington, North Carolina. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).

Where does Dr. Michael Jay McWilliams practice?

Dr. McWilliams practices at 1202 Medical Center Dr, Wilmington, NC 28401. Dr. McWilliams' primary practice is Wilmington Health in Wilmington, North Carolina. Dmand AI also links Dr. McWilliams to 2 hospitals, 1 group practice or clinic and 1 home health agency.

What is Dr. Michael Jay McWilliams' office phone number?

The practice phone on file for Dr. McWilliams is (910) 341-3300.

What is Dr. Michael Jay McWilliams' medical license number?

Dr. McWilliams holds North Carolina license 2007-00244.

Which hospitals is Dr. Michael Jay McWilliams affiliated with?

Dr. McWilliams is affiliated with Novant Health New Hanover Regional Medical Center. Dmand AI links Dr. McWilliams to 2 more hospitals.

What medical group is Dr. Michael Jay McWilliams part of?

Dr. McWilliams is linked to Wilmington Health.

Does Dr. Michael Jay McWilliams accept Medicare?

Yes. CMS data shows Dr. McWilliams billed Medicare for 6,647 services in 2024, and Dr. McWilliams accepts Medicare assignment.

Does Dr. Michael Jay McWilliams offer telehealth?

Yes. The CMS Doctors and Clinicians file lists Dr. McWilliams as offering telehealth services.

How many Medicare patients does Dr. Michael Jay McWilliams see?

CMS counts 384 Medicare patients who saw Dr. McWilliams in 2024, with an average age of 74.

Show 5 more questionsShow fewer questions

What services does Dr. Michael Jay McWilliams bill to Medicare?

In 2024, Dr. McWilliams' most billed Medicare services were injected or infused drug (J0897), office visit, established patient (99214) and surgery: heart and blood vessels (36415).

Where did Dr. Michael Jay McWilliams go to medical school?

Dr. McWilliams graduated from Georgetown University School of Medicine in 1999.

What drugs does Dr. Michael Jay McWilliams prescribe most?

In 2024 Medicare Part D data, Dr. McWilliams' most prescribed drugs by claims were Atorvastatin Calcium, Amlodipine Besylate and Lisinopril.

Has Dr. Michael Jay McWilliams received payments from drug or device companies?

CMS Open Payments shows $394 in general payments to Dr. McWilliams from 6 companies from 2016 to 2024. The largest total came from Tosoh Bioscience, Inc.

How long has Dr. Michael Jay McWilliams been practicing?

Dr. McWilliams graduated from medical school in 1999, 27 years ago.

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