Dr. Delwyn D. Miller, MD

  • Mitchell, SD
  • Psychiatrist
NPI1285620815PAC ID9436287133
Medicare services, 2024
164
Medicare patients, 2024
129
Part D claims, 2024
1,149
Publications
3
Clinical trials
3
Practice address
525 North Foster Street, Mitchell, SD 57301
Practice phone
Call (605) 995-2000
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Avera Queen of Peace Hospital

Hospital · Mitchell, South Dakota

See all 4 affiliations

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Dr. Delwyn D. Miller is a psychiatrist in Mitchell, South Dakota

Dr. Miller practices at Avera Queen of Peace Hospital in Mitchell, South Dakota, part of Avera Health.

Dr. Miller's NPI, 1285620815, was assigned on September 20, 2005. Dr. Miller graduated from Clvlnd Clinic Lerner College of Med of Case Wstn Rsv University in 1987. Dr. Miller holds Iowa license 27126.

NPI and contact details
Medicare PAC ID
9436287133
NPI enumeration date
September 20, 2005
NPI status
Active
Accepts Medicare assignment
Yes
Offers telehealth
Yes
Practice phone
(605) 995-2000
Professional email
Get email
Personal email
Get email
Mobile number
Get number
Sex
Male
Estimated age
65
Medical school graduation
1987

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

Dr. Delwyn D. Miller practices at Avera Queen of Peace Hospital in Mitchell, South Dakota

Dr. Miller's primary practice is Avera Queen of Peace Hospital, at 525 North Foster Street, Mitchell, SD 57301 in Davison County. The practice phone is (605) 995-2000.

Source: Dmand AI Affiliation Data

Dr. Delwyn D. Miller is affiliated with 3 sites of care and 1 medical group

Dr. Miller's primary practice is Avera Queen of Peace Hospital in Mitchell, South Dakota, part of Avera Health. Dr. Miller is also affiliated with University of Iowa Health Care Medical Center. The medical group on file is Scanlan Center for School Mental Health Clinic. Dmand AI also links Dr. Miller to 1 more hospital, named with a free account.

See all 4 affiliations for Dr. Miller

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

Dmand AI tracks the EHR system at Dr. Delwyn D. Miller's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Miller practices, 3 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Avera Queen of Peace HospitalAvailable with a free account
+2 more affiliated sitesAvailable with a free account

Source: Dmand AI Technology Install Data

For health IT teams

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Dr. Delwyn D. Miller is one of 82 psychiatrists in South Dakota

Psychiatry is Dr. Miller's primary specialty in the NPI Registry, under taxonomy code 2084P0800X. Dr. Miller is licensed in Iowa.

Specialties and state licenses

  • Psychiatry, IowaPrimaryLicense 27126 · taxonomy 2084P0800X

Psychiatrists near Dr. Miller

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. Delwyn D. Miller billed Medicare for 164 services in 2024

CMS data shows 164 Medicare services from Dr. Miller across 3 procedure codes in 2024, for 129 Medicare patients. Medicare paid $8,902 for them. Every service was in a facility, such as a hospital, rather than an office.

Medicare services, 2024164
Medicare patients129
Paid by Medicare$8,902
Procedure codes3

Dr. Miller's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Office and hospital visits
2023: 2732024: 16440%

Dr. Miller compared with the South Dakota median for psychiatrists, 2024

  • Dr. Miller
  • South Dakota median
Medicare services
164vs 166Close to median
Medicare patients
129vs 7474% above
Part D claims
1,064vs 3163.4 times

Medians across 89 psychiatrists in South Dakota with Dmand AI profiles that report each measure.

Dr. Miller'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.

See all procedures by Dr. Miller

Need commercial claims for Dr. Miller?

Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Miller and other psychiatrists in South Dakota.

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

Dr. Delwyn D. Miller treated 129 Medicare patients in 2024, average age 60

CMS counts 129 Medicare patients who saw Dr. Miller in 2024. The largest group is under 65, with 65 patients. 75% of them have mood disorders, and 74% have anxiety. 46% are also on Medicaid. Their average risk score is 1.24, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Dr. Miller's median patient age at 60, with 48% women.

Medicare patients, 2024129
Average age60
Average risk score1.24
Also on Medicaid46%

Dr. Miller's Medicare patients by age, 2024

CMS leaves out age groups with fewer than 11 patients.

Dr. Miller's Medicare patients by sex, 2024

  • Women7558%
  • Men5442%

Chronic conditions among Dr. Miller's Medicare patients, 2024

  1. Mood disorders75%
  2. Anxiety74%
  3. Depression72%
  4. High blood pressure57%
  5. High cholesterol55%
  6. Schizophrenia and other psychoses40%
  7. Arthritis36%
  8. Bipolar disorder28%

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

Dr. Miller's patients across all payers

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

Patient panel by age, all payers

Median age 60

Patient panel by sex, all payers

  • Women48%
  • Men52%

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

Dr. Delwyn D. Miller wrote 1,149 Medicare Part D claims in 2024

In 2024, Dr. Miller wrote 1,149 Medicare Part D claims for 62 patients. 93% of them were for generic drugs. CMS names the drug for 1,064 of them, across 33 drugs with 11 or more claims each, at $140,079 in total drug cost. In 2023, CMS named 1,120 claims across 35 drugs.

Part D claims, 20241,149
Drugs named by CMS33
Total drug cost$140,079
Part D patients62

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

  • Generic1,067 claims93%
  • Brand-name82 claims7%

Dr. Miller'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. Miller's Part D claims, 2024

  • Antipsychotics, patients 65 and over7%77 of 1,149 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: 1,1202024: 1,0645%

Drugs named by CMS: 33 in 2024, 35 in 2023.

See all prescribing by Dr. Miller

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. Delwyn D. Miller scored 80 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 80 out of 100 for Dr. Miller for performance year 2024, reported as part of a group. Dr. Miller accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Miller as offering telehealth.

Accepts Medicare assignment
Yes
Offers telehealth
Yes

Dr. Miller's MIPS scores, performance year 2024

  • 80of 100Final score
  • 75.7of 100Quality
  • 78of 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. Delwyn D. Miller has 3 publications on record

Dmand AI links 3 papers to Dr. Miller in 2005. The most frequent topics are Antipsychotic Agents and Schizophrenia. Dr. Miller's most frequent co-authors are Miranda Chakos, Jeffrey Lieberman, MD and Bruce Lawrence Saltz, MD.

Papers3

Topics Dr. Miller writes about most

  • Antipsychotic Agents
  • Schizophrenia

Dr. Miller's most frequent co-authors

Recent publications by Dr. Miller

See all 3 publications and co-authors

See who Dr. Miller researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Miller works with, so you can find a warm path to the right psychiatrists.

How network discovery works

Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage

Dr. Delwyn D. Miller has worked on 3 clinical trials

Dmand AI links Dr. Miller to 3 clinical trials. 2 are still active or recruiting. Conditions studied include Cognition Disorders, Cognitive Dysfunction and Pick Disease of the Brain. University of Southern California sponsors the most, 2. Open Payments lists research payments to Dr. Miller that name 1 trial.

Clinical trials with Dr. Miller by phase

  1. NonePhase 1: no trials
  2. 1Phase 2: 1 trial
  3. 1Phase 3: 1 trial
  4. NonePhase 4: no trials

Conditions in Dr. Miller's trials

  • Cognition Disorders
  • Cognitive Dysfunction
  • Pick Disease of the Brain
  • Neurocognitive Disorders
  • Plaque, Amyloid

Investigators on the most trials with Dr. Miller

Recent clinical trials with Dr. Miller

Sources: Open Payments (CMS), 2025 data, released July 7, 2026; Dmand AI Research Linkage; and ClinicalTrials.gov (National Library of Medicine)

Dr. Delwyn D. Miller graduated from Clvlnd Clinic Lerner College of Med of Case Wstn Rsv University

Dr. Miller graduated from Clvlnd Clinic Lerner College of Med of Case Wstn Rsv University in 1987.

  1. Medical schoolClvlnd Clinic Lerner College of Med of Case Wstn Rsv University

Source: Dmand AI Professional Profile Data

Sources for Dr. Delwyn D. Miller'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)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab)
Publications, topics and co-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
Clinical trials and co-investigatorsDmand AI Research LinkageClinicalTrials.gov (National Library of Medicine) (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. Delwyn D. Miller

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. Delwyn D. Miller's NPI number?

Dr. Delwyn D. Miller's NPI number is 1285620815. It was assigned on September 20, 2005, and it is active in the NPI Registry.

What kind of doctor is Dr. Delwyn D. Miller?

Dr. Delwyn D. Miller is a psychiatrist in Mitchell, South Dakota. The primary specialty in the NPI Registry is Psychiatry Physician (taxonomy code 2084P0800X).

Where does Dr. Delwyn D. Miller practice?

Dr. Miller practices at 525 North Foster Street, Mitchell, SD 57301. Dr. Miller's primary practice is Avera Queen of Peace Hospital in Mitchell, South Dakota, part of Avera Health. Dmand AI also links Dr. Miller to 1 hospital.

What is Dr. Delwyn D. Miller's office phone number?

The practice phone on file for Dr. Miller is (605) 995-2000.

What is Dr. Delwyn D. Miller's medical license number?

Dr. Miller holds Iowa license 27126.

Which hospitals is Dr. Delwyn D. Miller affiliated with?

Dr. Miller practices at Avera Queen of Peace Hospital in Mitchell, South Dakota. Dr. Miller is also affiliated with University of Iowa Health Care Medical Center. Dmand AI links Dr. Miller to 1 more hospital.

What medical group is Dr. Delwyn D. Miller part of?

Dr. Miller is linked to Scanlan Center for School Mental Health Clinic.

Does Dr. Delwyn D. Miller accept Medicare?

Yes. CMS data shows Dr. Miller billed Medicare for 164 services in 2024, and Dr. Miller accepts Medicare assignment.

Does Dr. Delwyn D. Miller offer telehealth?

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

What is Dr. Delwyn D. Miller's MIPS score?

Dr. Miller's MIPS final score for performance year 2024 is 80 out of 100, reported as part of a group.

Show 7 more questionsShow fewer questions

How many Medicare patients does Dr. Delwyn D. Miller see?

CMS counts 129 Medicare patients who saw Dr. Miller in 2024, with an average age of 60.

What services does Dr. Delwyn D. Miller bill to Medicare?

In 2024, Dr. Miller's most billed Medicare services were office visit, established patient (99214), hospital inpatient care (99232) and office visit, established patient (99213).

Where did Dr. Delwyn D. Miller go to medical school?

Dr. Miller graduated from Clvlnd Clinic Lerner College of Med of Case Wstn Rsv University in 1987.

What drugs does Dr. Delwyn D. Miller prescribe most?

In 2024 Medicare Part D data, Dr. Miller's most prescribed drugs by claims were Olanzapine, Clozapine and Risperidone.

How long has Dr. Delwyn D. Miller been practicing?

Dr. Miller graduated from medical school in 1987, 39 years ago.

Does Dr. Delwyn D. Miller do research?

Dmand AI links 3 publications to Dr. Miller. Dr. Miller has worked on 3 clinical trials.

Who does Dr. Delwyn D. Miller publish with?

Dr. Miller's most frequent co-authors are Miranda Chakos (1 shared paper), Jeffrey Lieberman, MD (1 shared paper) and Bruce Lawrence Saltz, MD (1 shared paper).

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