Dr. Daniel Mark Williams, MD

  • Springfield, MO
  • Psychiatrist
NPI1467745299
Medicare services, 2024
333
Medicare patients, 2024
104
Part D claims, 2024
951
MIPS score, 2024
94
Industry payments
$404
Practice address
3600 S National Ave, Springfield, MO 65807
Practice phone
Call (417) 322-6622
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Eustasis Psychiatric and Addiction Health

Springfield, Missouri

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Dr. Daniel Mark Williams is a psychiatrist in Springfield, Missouri

Dr. Williams practices at Eustasis Psychiatric and Addiction Health in Springfield, Missouri.

Dr. Williams' NPI, 1467745299, was assigned on May 26, 2011. Dr. Williams holds Missouri license 2023006787.

NPI and contact details
NPI enumeration date
May 26, 2011
NPI status
Active
Practice phone
(417) 322-6622
Professional email
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Personal email
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Mobile number
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Sex
Male

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

Dr. Daniel Mark Williams practices at Eustasis Psychiatric and Addiction Health in Springfield, Missouri

Dr. Williams' primary practice is Eustasis Psychiatric and Addiction Health, at 3600 S National Ave, Springfield, MO 65807 in Greene County. The practice phone is (417) 322-6622.

  • Eustasis Psychiatric and Addiction Health
    3600 S National Ave, Springfield, MO 65807 · Greene CountyPhone(417) 322-6622

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

Dr. Daniel Mark Williams is affiliated with 2 sites of care and 2 medical groups

Dr. Williams' primary practice is Eustasis Psychiatric and Addiction Health in Springfield, Missouri. The medical group on file is Eustasis Psychiatric & Addiction Health. Dmand AI also links Dr. Williams to 1 more group practice or clinic and 1 medical group, each named with a free account.

See all 4 affiliations for Dr. Williams

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

Dmand AI tracks the EHR system at Dr. Daniel Mark Williams' practice

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

EHR by site
SiteEHR vendor and product
Eustasis Psychiatric and Addiction HealthAvailable 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. Daniel Mark Williams is one of 679 psychiatrists in Missouri

Psychiatry is Dr. Williams' primary specialty in the NPI Registry, under taxonomy code 2084P0800X. Dmand AI has Dr. Williams' licenses on file in 3 states: Missouri, Arkansas and Texas.

Specialties and state licenses

  • Psychiatry, MissouriPrimaryLicense 2023006787 · taxonomy 2084P0800X
  • Arkansas licenseLicense E-16820
  • Texas licenseLicense P8566

Psychiatrists near Dr. Williams

Counts of psychiatrists 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. Daniel Mark Williams billed Medicare for 333 services in 2024

CMS data shows 333 Medicare services from Dr. Williams across 5 procedure codes in 2024, for 104 Medicare patients. Medicare paid $18,033 for them. Every service was in an office.

Medicare services, 2024333
Medicare patients104
Paid by Medicare$18,033
Procedure codes5

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

  • 2023
  • 2024
Office and hospital visits
2023: 1312024: 1332%
Tests and treatments
2023: 842024: 12549%
Lab and pathology
2023: 592024: 7527%

Dr. Williams compared with the Missouri median for psychiatrists, 2024

  • Dr. Williams
  • Missouri median
Medicare services
333vs 1332.5 times
Medicare patients
104vs 492.1 times
Part D claims
751vs 2952.5 times

Medians across 752 psychiatrists in Missouri 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. Daniel Mark Williams treated 104 Medicare patients in 2024, average age 59

CMS counts 104 Medicare patients who saw Dr. Williams in 2024. The largest group is under 65, with 52 patients. 75% of them have alcohol and drug use disorders, and 75% have anxiety. 44% are also on Medicaid. Their average risk score is 1.43, where 1.00 is the Medicare average.

Medicare patients, 2024104
Average age59
Average risk score1.43
Also on Medicaid44%

Dr. Williams' Medicare patients by age, 2024

CMS leaves out age groups with fewer than 11 patients.

Dr. Williams' Medicare patients by sex, 2024

  • Women6159%
  • Men4341%

Chronic conditions among Dr. Williams' Medicare patients, 2024

  1. Alcohol and drug use disorders75%
  2. Anxiety75%
  3. Depression75%
  4. Mood disorders75%
  5. High blood pressure61%
  6. High cholesterol61%
  7. Bipolar disorder46%
  8. PTSD45%

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

Source: Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Dr. Daniel Mark Williams wrote 951 Medicare Part D claims in 2024

In 2024, Dr. Williams wrote 951 Medicare Part D claims for 204 patients. 82% of them were for generic drugs. CMS names the drug for 751 of them, across 31 drugs with 11 or more claims each, at $152,644 in total drug cost. In 2023, CMS named 430 claims across 23 drugs.

Part D claims, 2024951
Drugs named by CMS31
Total drug cost$152,644
Part D patients204

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

  • Generic776 claims82%
  • Brand-name175 claims18%

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

  • Antipsychotics, patients 65 and over5%48 of 951 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: 4302024: 75175%

Drugs named by CMS: 31 in 2024, 23 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. Daniel Mark Williams scored 94 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 94 out of 100 for Dr. Williams for performance year 2024, reported as part of a group.

Dr. Williams' MIPS scores, performance year 2024

  • 94of 100Final score
  • 82.5of 100Quality
  • 100of 100Promoting Interoperability
  • 40of 100Improvement Activities
  • 81of 100Cost

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. Daniel Mark Williams received $404 in industry payments from 2021 to 2024

CMS Open Payments shows 19 general payments to Dr. Williams from 6 drug and device companies from 2021 to 2024. Food and beverage make up the largest share, 100% of the total. Abbvie Inc. paid the most, $287.

General payments to Dr. Williams by program year, 2021 to 2024

Companies that paid Dr. Williams the most, 2021 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

Sources for Dr. Daniel Mark 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 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 panelMedicare 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 percentilesClinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
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. Daniel Mark 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. Daniel Mark Williams' NPI number?

Dr. Daniel Mark Williams' NPI number is 1467745299. It was assigned on May 26, 2011, and it is active in the NPI Registry.

What kind of doctor is Dr. Daniel Mark Williams?

Dr. Daniel Mark Williams is a psychiatrist in Springfield, Missouri. The primary specialty in the NPI Registry is Psychiatry Physician (taxonomy code 2084P0800X).

Where does Dr. Daniel Mark Williams practice?

Dr. Williams practices at 3600 S National Ave, Springfield, MO 65807. Dr. Williams' primary practice is Eustasis Psychiatric and Addiction Health in Springfield, Missouri. Dmand AI also links Dr. Williams to 1 group practice or clinic and 1 medical group.

What is Dr. Daniel Mark Williams' office phone number?

The practice phone on file for Dr. Williams is (417) 322-6622.

What is Dr. Daniel Mark Williams' medical license number?

Dr. Williams holds Missouri license 2023006787, one of the licenses on file in 3 states.

Which states has Dr. Daniel Mark Williams been licensed in?

Dmand AI has state licenses on file for Dr. Williams in Missouri, Arkansas and Texas.

What medical group is Dr. Daniel Mark Williams part of?

Dr. Williams is linked to Eustasis Psychiatric & Addiction Health. Dmand AI links Dr. Williams to 1 more medical group.

Does Dr. Daniel Mark Williams accept Medicare?

Yes. CMS data shows Dr. Williams billed Medicare for 333 services in 2024.

What is Dr. Daniel Mark Williams' MIPS score?

Dr. Williams' MIPS final score for performance year 2024 is 94 out of 100, reported as part of a group.

How many Medicare patients does Dr. Daniel Mark Williams see?

CMS counts 104 Medicare patients who saw Dr. Williams in 2024, with an average age of 59.

Show 4 more questionsShow fewer questions

What services does Dr. Daniel Mark Williams bill to Medicare?

In 2024, Dr. Williams' most billed Medicare services were office visit, established patient (99214), psychiatric service (90833) and lab and pathology test (80305).

What drugs does Dr. Daniel Mark Williams prescribe most?

In 2024 Medicare Part D data, Dr. Williams' most prescribed drugs by claims were Spravato, Lamotrigine and Trazodone HCl.

Has Dr. Daniel Mark Williams received payments from drug or device companies?

CMS Open Payments shows $404 in general payments to Dr. Williams from 6 companies from 2021 to 2024. The largest total came from Abbvie Inc.

How long has Dr. Daniel Mark Williams been practicing?

Dr. Williams' NPI was assigned in 2011.

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