David K. Custis, PA-C
- Medicare patients, 2024
- 129
- Part D claims, 2024
- 336
- MIPS score, 2024
- 94
- Hospital affiliations
- 2
- Industry payments
- $39
- Practice address
- 4150 5th St, Rapid City, SD 57701
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Monument Health Rapid City Clinic - 5th Street - Ent - HOPD
Acute Care Hospital outpatient department · Rapid City, South Dakota
Find David Custis' professional email, personal email and mobile number
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David K. Custis is a physician assistant in Rapid City, South Dakota
David Custis practices at Monument Health Rapid City Clinic - 5th Street - Ent - HOPD in Rapid City, South Dakota.
David Custis' NPI, 1477516540, was assigned on April 10, 2006. David Custis graduated from University of North Dakota School of Medicine in 1982. David Custis holds Wyoming license PA832.
- NPI
- 1477516540NPI Registry (opens in a new tab)
- Medicare PAC ID
- 6305972571
- NPI enumeration date
- April 10, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 70
- Medical school graduation
- 1982
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
David K. Custis practices at Monument Health Rapid City Clinic - 5th Street - Ent - HOPD in Rapid City, South Dakota
David Custis' primary practice is Monument Health Rapid City Clinic - 5th Street - Ent - HOPD, at 4150 5th St, Rapid City, SD 57701.
- Monument Health Rapid City Clinic - 5th Street - Ent - HOPD4150 5th St, Rapid City, SD 57701
Source: Dmand AI Affiliation Data
David K. Custis is affiliated with 4 sites of care and 3 medical groups
David Custis' primary practice is Monument Health Rapid City Clinic - 5th Street - Ent - HOPD in Rapid City, South Dakota. David Custis is also affiliated with Monument Health Rapid City Hospital. The medical group on file is Monument Health Rapid City Hospital. Dmand AI also links David Custis to 1 more hospital, 2 medical groups and 1 group practice or clinic, each named with a free account.
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at David K. Custis' practice
Dmand AI tracks the electronic health record (EHR) system at each site where David Custis practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Monument Health Rapid City Clinic - 5th Street - Ent - HOPD | Available with a free account |
| +3 more sites and 2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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David K. Custis is one of 615 physician assistants in South Dakota
Physician assistant is David Custis' primary specialty in the NPI Registry, under taxonomy code 363A00000X. David Custis is licensed in Wyoming.
Specialties and state licenses
- Physician assistant, WyomingPrimary
Physician assistants near David Custis
Counts of physician assistants 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
David K. Custis treated 129 Medicare patients in 2024, average age 71
CMS counts 129 Medicare patients who saw David Custis in 2024. The largest group is 65 to 74, with 73 patients. 60% of them have high blood pressure, and 56% have high cholesterol. Their average risk score is 0.84, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts David Custis' median patient age at 72, with 60% women.
David Custis' Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
David Custis' Medicare patients by sex, 2024
- Women8062%
- Men4938%
Chronic conditions among David Custis' Medicare patients, 2024
- High blood pressure60%
- High cholesterol56%
- Arthritis50%
- Anxiety22%
- Ischemic heart disease22%
- Mood disorders20%
- Depression19%
- Diabetes19%
Share of Medicare patients with each condition. A patient can have several.
David Custis' 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
- Women60%
- Men40%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
David K. Custis wrote 336 Medicare Part D claims in 2024
In 2024, David Custis wrote 336 Medicare Part D claims for 217 patients. 95% of them were for generic drugs.
David Custis' Part D claims by kind of drug, 2024
- Generic319 claims95%
- Brand-name17 claims5%
Drug classes CMS tracks in David Custis' Part D claims, 2024
- Antibiotics50%168 of 336 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
David K. Custis 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 David Custis for performance year 2024, reported through an alternative payment model (APM). David Custis accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
David Custis' MIPS scores, performance year 2024
- 94of 100Final score
- 80.4of 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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David K. Custis received $39 in industry payments in 2025
CMS Open Payments shows 2 general payments to David Custis from 2 drug and device companies in 2025. Food and beverage make up the largest share, 100% of the total. Novartis Pharmaceuticals Corporation paid the most, $23.
Companies that paid David Custis the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
David K. Custis graduated from University of North Dakota School of Medicine
David Custis graduated from University of North Dakota School of Medicine in 1982.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for David K. Custis's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about David K. Custis
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is David K. Custis' NPI number?
David K. Custis' NPI number is 1477516540. It was assigned on April 10, 2006, and it is active in the NPI Registry.
What does David K. Custis specialize in?
David K. Custis is a physician assistant in Rapid City, South Dakota. The primary specialty in the NPI Registry is Physician Assistant (taxonomy code 363A00000X).
Where does David K. Custis practice?
David Custis practices at 4150 5th St, Rapid City, SD 57701. David Custis' primary practice is Monument Health Rapid City Clinic - 5th Street - Ent - HOPD in Rapid City, South Dakota. Dmand AI also links David Custis to 1 hospital, 2 medical groups and 1 group practice or clinic.
What is David K. Custis' medical license number?
David Custis holds Wyoming license PA832.
Which hospitals is David K. Custis affiliated with?
David Custis is affiliated with Monument Health Rapid City Hospital. Dmand AI links David Custis to 1 more hospital.
What medical group is David K. Custis part of?
David Custis is linked to Monument Health Rapid City Hospital. Dmand AI links David Custis to 2 more medical groups.
Does David K. Custis accept Medicare?
Yes. CMS lists David Custis as accepting Medicare assignment.
What is David K. Custis' MIPS score?
David Custis' MIPS final score for performance year 2024 is 94 out of 100, reported through an alternative payment model (APM).
How many Medicare patients does David K. Custis see?
CMS counts 129 Medicare patients who saw David Custis in 2024, with an average age of 71.
Where did David K. Custis go to medical school?
David Custis graduated from University of North Dakota School of Medicine in 1982.
Has David K. Custis received payments from drug or device companies?
CMS Open Payments shows $39 in general payments to David Custis from 2 companies from 2025 to 2025. The largest total came from Novartis Pharmaceuticals Corporation.
How long has David K. Custis been practicing?
David Custis graduated from medical school in 1982, 44 years ago.
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