Dr. Michael C. Williams, MD

  • Tyler, TX
  • Emergency medicine physician
NPI1558301879PAC ID9133263197
Medicare services, 2024
456
Medicare patients, 2024
433
Part D claims, 2024
156
Hospital affiliations
2
Industry payments
$319
Practice address
1000 South Beckham Ave, Tyler, TX 75701
Practice phone
Call (903) 597-0351
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

UT Health Tyler

Hospital · Tyler, Texas

See all 4 affiliations

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Dr. Michael C. Williams is an emergency medicine physician in Tyler, Texas

Dr. Williams practices at UT Health Tyler in Tyler, Texas, part of Ardent Health.

Dr. Williams' NPI, 1558301879, was assigned on June 7, 2006. Dr. Williams graduated from Baylor College Of Medicine in 1993. Dr. Williams holds Texas license J6810.

NPI and contact details
Medicare PAC ID
9133263197
NPI enumeration date
June 7, 2006
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(903) 597-0351
Professional email
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Personal email
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Mobile number
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Sex
Male
Estimated age
59
Medical school graduation
1993

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

Dr. Michael C. Williams practices at UT Health Tyler in Tyler, Texas

Dr. Williams' primary practice is UT Health Tyler, at 1000 South Beckham Ave, Tyler, TX 75701 in Smith County. The practice phone is (903) 597-0351.

  • UT Health Tyler
    1000 South Beckham Ave, Tyler, TX 75701 · Smith CountyPhone(903) 597-0351

Source: Dmand AI Affiliation Data

Dr. Michael C. Williams is affiliated with 2 sites of care and 2 medical groups

Dr. Williams' primary practice is UT Health Tyler in Tyler, Texas, part of Ardent Health. Dr. Williams is also affiliated with CHRISTUS Mother Frances Hospital - Tyler. The medical group on file is ACS Primary Care Physicians Southwest, PA. Dmand AI also links Dr. Williams to 1 more medical group, named with a free account.

See all 4 affiliations for Dr. Williams

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Dr. Michael C. Williams' practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Williams practices, 2 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
UT Health TylerAvailable with a free account
+1 more site and 1 medical groupAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Michael C. Williams is one of 4,831 emergency medicine physicians in Texas

Emergency medicine is Dr. Williams' primary specialty in the NPI Registry, under taxonomy code 207P00000X. Dr. Williams is board certified in emergency medicine by the American Board of Emergency Medicine. Dr. Williams is licensed in Texas.

Specialties and state licenses

  • Emergency medicine, TexasPrimaryLicense J6810 · 1994 to 2026 · taxonomy 207P00000X

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. Michael C. Williams billed Medicare for 456 services in 2024

CMS data shows 456 Medicare services from Dr. Williams across 3 procedure codes in 2024, for 433 Medicare patients. Medicare paid $62,925 for them. Every service was in a facility, such as a hospital, rather than an office.

Medicare services, 2024456
Medicare patients433
Paid by Medicare$62,925
Procedure codes3

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

  • 2023
  • 2024
Office and hospital visits
2023: 5442024: 45616%
Tests and treatments
2023: 982024: 0100%

Dr. Williams compared with the Texas median for emergency medicine physicians, 2024

  • Dr. Williams
  • Texas median
Medicare services
456vs 2252.0 times
Medicare patients
433vs 2062.1 times
Part D claims
61vs 7418% below

Medians across 4,588 emergency medicine physicians in Texas 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.

See all procedures by Dr. Williams

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

Dr. Michael C. Williams treated 433 Medicare patients in 2024, average age 75

CMS counts 433 Medicare patients who saw Dr. Williams in 2024. The largest group is 75 to 84, with 158 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 25% are also on Medicaid. Their average risk score is 2.44, 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 55, with 57% women.

Medicare patients, 2024433
Average age75
Average risk score2.44
Also on Medicaid25%

Dr. Williams' Medicare patients by age, 2024

Dr. Williams' Medicare patients by sex, 2024

  • Women22552%
  • Men20848%

Chronic conditions among Dr. Williams' Medicare patients, 2024

  1. High blood pressure75%
  2. High cholesterol75%
  3. Arthritis55%
  4. Anxiety50%
  5. Ischemic heart disease49%
  6. Mood disorders49%
  7. Depression48%
  8. Diabetes47%

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 55

Patient panel by sex, all payers

  • Women57%
  • Men42%

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

Dr. Michael C. Williams wrote 156 Medicare Part D claims in 2024

In 2024, Dr. Williams wrote 156 Medicare Part D claims for 117 patients. 96% of them were for generic drugs. CMS names the drug for 61 of them, across 3 drugs with 11 or more claims each, at $275 in total drug cost. In 2023, CMS named 50 claims across 2 drugs.

Part D claims, 2024156
Drugs named by CMS3
Total drug cost$275
Part D patients117

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

  • Generic150 claims96%
  • Brand-name and other6 claims4%

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.

Drug classes CMS tracks in Dr. Williams' Part D claims, 2024

  • Opioids21%32 of 156 claims
  • Antibiotics42%65 of 156 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: 502024: 6122%

Drugs named by CMS: 3 in 2024, 2 in 2023.

See all prescribing by Dr. Williams

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

How Dr. Michael C. Williams takes part in Medicare

Dr. Williams accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

Accepts Medicare assignment
Yes

Source: Doctors and Clinicians National Downloadable File (CMS)

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Dr. Michael C. Williams received $319 in industry payments from 2017 to 2024

CMS Open Payments shows 11 general payments to Dr. Williams from 6 drug and device companies from 2017 to 2024. Food and beverage make up the largest share, 100% of the total. Rapid Medical Ltd paid the most, $145.

General payments to Dr. Williams by program year, 2017 to 2024

Companies that paid Dr. Williams the most, 2017 to 2024

Share is of all general payments to this clinician.

See all payments to Dr. Williams

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

Dr. Michael C. Williams graduated from Baylor College Of Medicine

Dr. Williams graduated from Baylor College Of Medicine in 1993.

  1. Medical schoolBaylor College Of Medicine
  2. Board certified in emergency medicineAmerican Board of Emergency Medicine

Source: Dmand AI Professional Profile Data

Dr. Michael C. Williams accepts plans from 17 insurance carriers

Dr. Williams is in network with 17 carriers, including Aetna, United Healthcare and Alliant Health Plans. PPO plans come from the most carriers, 11. Check the plan with the practice before a visit.

  • Aetna
  • United Healthcare
  • Alliant Health Plans
  • Blue Cross Blue Shield of Massachusetts
  • Elevance
  • HCSC
  • Regence Health Plans
  • Arkansas Blue Cross and Blue Shield
  • +9 more carriersWith a free account

Plan types Dr. Williams accepts, by number of carriers

  1. PPO11
  2. HMO8
  3. Medicare5
  4. POS3
  5. EPO2

Source: Dmand AI Insurance Network Data

Sources for Dr. Michael C. Williams'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 phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDmand AI Org Hierarchy 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
Insurance carriers and plan typesDmand AI Insurance Network 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 C. 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. Michael C. Williams' NPI number?

Dr. Michael C. Williams' NPI number is 1558301879. It was assigned on June 7, 2006, and it is active in the NPI Registry.

What kind of doctor is Dr. Michael C. Williams?

Dr. Michael C. Williams is an emergency medicine physician in Tyler, Texas. The primary specialty in the NPI Registry is Emergency Medicine Physician (taxonomy code 207P00000X).

Where does Dr. Michael C. Williams practice?

Dr. Williams practices at 1000 South Beckham Ave, Tyler, TX 75701. Dr. Williams' primary practice is UT Health Tyler in Tyler, Texas, part of Ardent Health. Dmand AI also links Dr. Williams to 1 medical group.

What is Dr. Michael C. Williams' office phone number?

The practice phone on file for Dr. Williams is (903) 597-0351.

What is Dr. Michael C. Williams' medical license number?

Dr. Williams holds Texas license J6810.

Which hospitals is Dr. Michael C. Williams affiliated with?

Dr. Williams practices at UT Health Tyler in Tyler, Texas. Dr. Williams is also affiliated with CHRISTUS Mother Frances Hospital - Tyler.

What medical group is Dr. Michael C. Williams part of?

Dr. Williams is linked to ACS Primary Care Physicians Southwest, PA. Dmand AI links Dr. Williams to 1 more medical group.

Does Dr. Michael C. Williams accept Medicare?

Yes. CMS data shows Dr. Williams billed Medicare for 456 services in 2024, and Dr. Williams accepts Medicare assignment.

How many Medicare patients does Dr. Michael C. Williams see?

CMS counts 433 Medicare patients who saw Dr. Williams in 2024, with an average age of 75.

Is Dr. Michael C. Williams board certified?

Yes. Dr. Williams is board certified in emergency medicine by the American Board of Emergency Medicine.

Show 6 more questionsShow fewer questions

What services does Dr. Michael C. Williams bill to Medicare?

In 2024, Dr. Williams' most billed Medicare services were emergency department visit (99285), emergency department visit (99284) and critical care (99291).

Where did Dr. Michael C. Williams go to medical school?

Dr. Williams graduated from Baylor College Of Medicine in 1993.

What drugs does Dr. Michael C. Williams prescribe most?

In 2024 Medicare Part D data, Dr. Williams' most prescribed drugs by claims were Cephalexin, Tramadol HCl and Acetaminophen-Codeine.

Has Dr. Michael C. Williams received payments from drug or device companies?

CMS Open Payments shows $319 in general payments to Dr. Williams from 6 companies from 2017 to 2024. The largest total came from Rapid Medical Ltd.

How long has Dr. Michael C. Williams been practicing?

Dr. Williams graduated from medical school in 1993, 33 years ago.

What insurance does Dr. Michael C. Williams accept?

Dr. Williams is in network with 17 carriers, including Aetna, United Healthcare and Alliant Health Plans. PPO plans come from the most carriers, 11. Check the plan with the practice before a visit.

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