Dr. David Collier Williams, MD

  • Oklahoma City, OK
  • Nephrologist
NPI1518991264PAC ID9537162466
Medicare services, 2024
1,719
Medicare patients, 2024
521
Part D claims, 2024
1,253
MIPS score, 2024
91
Hospital affiliations
5
Practice address
1122 Ne 13th St, Oklahoma City, OK 73117
Practice phone
Call (405) 329-3830
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Sooner Dialysis

Oklahoma City, Oklahoma

See all 15 affiliations

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Dr. David Collier Williams is a nephrologist in Oklahoma City, Oklahoma

Dr. Williams practices at Sooner Dialysis in Oklahoma City, Oklahoma.

Dr. Williams' NPI, 1518991264, was assigned on July 10, 2006. Dr. Williams graduated from Des Moines University of Osteopathic Medicine and Health Sciences in 2001. Dr. Williams holds Oklahoma license 22399.

NPI and contact details
Medicare PAC ID
9537162466
NPI enumeration date
July 10, 2006
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(405) 329-3830
Professional email
Get email
Personal email
Get email
Mobile number
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Sex
Male
Estimated age
51
Medical school graduation
2001

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

Dr. David Collier Williams practices at Sooner Dialysis in Oklahoma City, Oklahoma

Dr. Williams' primary practice is Sooner Dialysis, at 1122 Ne 13th St, Oklahoma City, OK 73117 in Oklahoma County. The practice phone is (405) 329-3830.

  • Sooner Dialysis
    1122 Ne 13th St, Oklahoma City, OK 73117 · Oklahoma CountyPhone(405) 329-3830

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

Dr. David Collier Williams is affiliated with 13 sites of care and 2 medical groups

Dr. Williams' primary practice is Sooner Dialysis in Oklahoma City, Oklahoma. Dr. Williams is also affiliated with Norman Regional Hospital. The medical group on file is Norman Regional Health System. Dmand AI also links Dr. Williams to 4 more hospitals, 5 dialysis centers, 2 group practices and clinics and 1 medical group, each named with a free account.

See all 15 affiliations for Dr. Williams

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

Dmand AI tracks the EHR system at Dr. David Collier Williams' practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Williams practices, 12 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Sooner DialysisAvailable with a free account
+12 more sites and 1 medical groupAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. David Collier Williams is one of 107 nephrologists in Oklahoma

Nephrology is Dr. Williams' primary specialty in the NPI Registry, under taxonomy code 207RN0300X. Dr. Williams is licensed in Oklahoma.

Specialties and state licenses

  • Nephrology, OklahomaPrimaryLicense 22399 · taxonomy 207RN0300X

Nephrologists near Dr. Williams

Counts of nephrologists 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. David Collier Williams billed Medicare for 1,719 services in 2024

CMS data shows 1,719 Medicare services from Dr. Williams across 12 procedure codes in 2024, for 521 Medicare patients. Medicare paid $165,828 for them.

Medicare services, 20241,719
Medicare patients521
Paid by Medicare$165,828
Procedure codes12

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

  • 2023
  • 2024
Office and hospital visits
2023: 1,1902024: 1,2757%
Tests and treatments
2023: 5042024: 37426%
Lab and pathology
2023: 502024: 4118%
Surgery
2023: 132024: 29123%

Where Dr. Williams' Medicare services took place, 2024

  • In an office1,06462%
  • In a facility65538%

Dr. Williams compared with the Oklahoma median for nephrologists, 2024

  • Dr. Williams
  • Oklahoma median
Medicare services
1,719vs 1,670Close to median
Medicare patients
521vs 43320% above
Part D claims
936vs 924Close to median

Medians across 104 nephrologists in Oklahoma 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. David Collier Williams treated 521 Medicare patients in 2024, average age 74

CMS counts 521 Medicare patients who saw Dr. Williams in 2024. The largest group is 75 to 84, with 216 patients. 75% of them have chronic kidney disease, and 75% have high blood pressure. 10% are also on Medicaid. Their average risk score is 2.87, 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 72, with 46% women.

Medicare patients, 2024521
Average age74
Average risk score2.87
Also on Medicaid10%

Dr. Williams' Medicare patients by age, 2024

Dr. Williams' Medicare patients by sex, 2024

  • Women23545%
  • Men28655%

Chronic conditions among Dr. Williams' Medicare patients, 2024

  1. Chronic kidney disease75%
  2. High blood pressure75%
  3. High cholesterol75%
  4. Diabetes57%
  5. Arthritis56%
  6. Ischemic heart disease55%
  7. Heart failure39%
  8. Atrial fibrillation37%

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 72

Patient panel by sex, all payers

  • Women46%
  • Men53%

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

Dr. David Collier Williams wrote 1,253 Medicare Part D claims in 2024

In 2024, Dr. Williams wrote 1,253 Medicare Part D claims for 204 patients. 85% of them were for generic drugs. CMS names the drug for 936 of them, across 32 drugs with 11 or more claims each, at $181,590 in total drug cost. In 2023, CMS named 939 claims across 34 drugs.

Part D claims, 20241,253
Drugs named by CMS32
Total drug cost$181,590
Part D patients204

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

  • Generic1,068 claims85%
  • Brand-name185 claims15%

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

  • Antibiotics3%32 of 1,253 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: 9392024: 936No change

Drugs named by CMS: 32 in 2024, 34 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

Dr. David Collier Williams scored 91 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 91 out of 100 for Dr. Williams for performance year 2024, reported through an alternative payment model (APM). Dr. Williams accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

Accepts Medicare assignment
Yes

Dr. Williams' MIPS scores, performance year 2024

  • 91of 100Final score
  • 76.5of 100Quality
  • 100of 100Promoting Interoperability
  • 40of 100Improvement Activities

Each score is out of 100. The final score weighs the categories CMS scored for this clinician.

Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026

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Dr. David Collier Williams received $7,508 in industry payments from 2016 to 2025

CMS Open Payments shows 184 general payments to Dr. Williams from 30 drug and device companies from 2016 to 2025. Consulting fees make up the largest share, 50% of the total. Otsuka America Pharmaceutical, Inc. paid the most, $4,255.

General payments to Dr. Williams by program year, 2016 to 2025

General payments to Dr. Williams by kind, 2016 to 2025

$7.5Kin total
  • Consulting fees$3,75350%
  • Food and beverage$3,58848%
  • Education$1672%

Companies that paid Dr. Williams the most, 2016 to 2025

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. David Collier Williams graduated from Des Moines University of Osteopathic Medicine and Health Sciences

Dr. Williams graduated from Des Moines University of Osteopathic Medicine and Health Sciences in 2001.

  1. Medical schoolDes Moines University of Osteopathic Medicine and Health Sciences

Source: Dmand AI Professional Profile Data

Sources for Dr. David Collier 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 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 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)Clinician Public Reporting: Overall MIPS Performance (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. David Collier 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. David Collier Williams' NPI number?

Dr. David Collier Williams' NPI number is 1518991264. It was assigned on July 10, 2006, and it is active in the NPI Registry.

What kind of doctor is Dr. David Collier Williams?

Dr. David Collier Williams is a nephrologist in Oklahoma City, Oklahoma. The primary specialty in the NPI Registry is Nephrology Physician (taxonomy code 207RN0300X).

Where does Dr. David Collier Williams practice?

Dr. Williams practices at 1122 Ne 13th St, Oklahoma City, OK 73117. Dr. Williams' primary practice is Sooner Dialysis in Oklahoma City, Oklahoma. Dmand AI also links Dr. Williams to 4 hospitals, 5 dialysis centers, 2 group practices and clinics and 1 medical group.

What is Dr. David Collier Williams' office phone number?

The practice phone on file for Dr. Williams is (405) 329-3830.

What is Dr. David Collier Williams' medical license number?

Dr. Williams holds Oklahoma license 22399.

Which hospitals is Dr. David Collier Williams affiliated with?

Dr. Williams is affiliated with Norman Regional Hospital. Dmand AI links Dr. Williams to 4 more hospitals.

What medical group is Dr. David Collier Williams part of?

Dr. Williams is linked to Norman Regional Health System. Dmand AI links Dr. Williams to 1 more medical group.

Does Dr. David Collier Williams accept Medicare?

Yes. CMS data shows Dr. Williams billed Medicare for 1,719 services in 2024, and Dr. Williams accepts Medicare assignment.

What is Dr. David Collier Williams' MIPS score?

Dr. Williams' MIPS final score for performance year 2024 is 91 out of 100, reported through an alternative payment model (APM).

How many Medicare patients does Dr. David Collier Williams see?

CMS counts 521 Medicare patients who saw Dr. Williams in 2024, with an average age of 74.

Show 5 more questionsShow fewer questions

What services does Dr. David Collier Williams bill to Medicare?

In 2024, Dr. Williams' most billed Medicare services were office visit, established patient (99214), hospital inpatient care (99232) and dialysis (90962).

Where did Dr. David Collier Williams go to medical school?

Dr. Williams graduated from Des Moines University of Osteopathic Medicine and Health Sciences in 2001.

What drugs does Dr. David Collier Williams prescribe most?

In 2024 Medicare Part D data, Dr. Williams' most prescribed drugs by claims were Amlodipine Besylate, Torsemide and Farxiga.

Has Dr. David Collier Williams received payments from drug or device companies?

CMS Open Payments shows $7,508 in general payments to Dr. Williams from 30 companies from 2016 to 2025. The largest total came from Otsuka America Pharmaceutical, Inc.

How long has Dr. David Collier Williams been practicing?

Dr. Williams graduated from medical school in 2001, 25 years ago.

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