Douglas Casey Rau
- Medicare patients, 2024
- 118
- Part D claims, 2024
- 2,057
- Hospital affiliations
- 2
- Industry payments
- $23
- Medical groups
- 3
- Practice address
- 1900 Wealthy SE St, Grand Rapids, MI 49506
- Practice phone
- Call (616) 459-0292
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Corewell Health Medical Group West
Grand Rapids, Michigan
Find Douglas Rau's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Douglas Casey Rau is a nurse practitioner in Grand Rapids, Michigan
Douglas Rau practices at Corewell Health Medical Group West in Grand Rapids, Michigan.
Douglas Rau's NPI, 1376085191, was assigned on November 10, 2016. Douglas Rau holds Michigan license 4704266089.
- NPI
- 1376085191NPI Registry (opens in a new tab)
- Medicare PAC ID
- 1951681261
- NPI enumeration date
- November 10, 2016
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (616) 459-0292
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 36
- Medical school graduation
- 2016
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Douglas Casey Rau practices at Corewell Health Medical Group West in Grand Rapids, Michigan
Douglas Rau's primary practice is Corewell Health Medical Group West, at 1900 Wealthy SE St, Grand Rapids, MI 49506 in Kent County. The practice phone is (616) 459-0292.
- Corewell Health Medical Group West1900 Wealthy SE St, Grand Rapids, MI 49506 · Kent CountyPhone(616) 459-0292
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Douglas Casey Rau is affiliated with 6 sites of care and 3 medical groups
Douglas Rau's primary practice is Corewell Health Medical Group West in Grand Rapids, Michigan. Douglas Rau is also affiliated with Corewell Health Grand Rapids Hospitals - Butterworth. The medical group on file is Corewell Health Medical Group West. Dmand AI also links Douglas Rau to 1 more hospital, 3 group practices and clinics and 2 medical groups, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Douglas Casey Rau's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Douglas Rau practices, 5 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Corewell Health Medical Group West | Available with a free account |
| +5 more sites and 2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Douglas Casey Rau is one of 2,742 nurse practitioners in Michigan
Nurse practitioner is Douglas Rau's primary specialty in the NPI Registry, under taxonomy code 363L00000X. Douglas Rau is licensed in Michigan.
Specialties and state licenses
- Nurse practitioner, MichiganPrimary
Nurse practitioners near Douglas Rau
Counts of nurse practitioners 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
Douglas Casey Rau treated 118 Medicare patients in 2024, average age 70
CMS counts 118 Medicare patients who saw Douglas Rau in 2024. The largest group is 65 to 74, with 42 patients. 75% of them have arthritis, and 73% have high blood pressure. 25% are also on Medicaid. Their average risk score is 1.34, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Douglas Rau's median patient age at 62, with 62% women.
Douglas Rau's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Douglas Rau's Medicare patients by sex, 2024
- Women7059%
- Men4841%
Chronic conditions among Douglas Rau's Medicare patients, 2024
- Arthritis75%
- High blood pressure73%
- High cholesterol71%
- Anxiety45%
- Mood disorders45%
- Depression42%
- Diabetes36%
- Ischemic heart disease31%
Share of Medicare patients with each condition. A patient can have several.
Douglas Rau's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 62
Patient panel by sex, all payers
- Women62%
- Men38%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Douglas Casey Rau wrote 2,057 Medicare Part D claims in 2024
In 2024, Douglas Rau wrote 2,057 Medicare Part D claims for 402 patients. 99% of them were for generic drugs.
Douglas Rau's Part D claims by kind of drug, 2024
- Generic2,035 claims99%
- Brand-name22 claims1%
Drug classes CMS tracks in Douglas Rau's Part D claims, 2024
- Opioids33%685 of 2,057 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
Douglas Casey Rau offers telehealth to Medicare patients
Douglas Rau accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Douglas Rau as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Douglas Casey Rau received $23 in industry payments in 2025
CMS Open Payments shows 1 general payment to Douglas Rau from 1 drug or device company in 2025. Food and beverage make up the largest share, 100% of the total. Abbott Laboratories paid the most, $23.
Companies that paid Douglas Rau the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Douglas Casey Rau'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 | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand 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) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| 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 Douglas Casey Rau
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Douglas Casey Rau's NPI number?
Douglas Casey Rau's NPI number is 1376085191. It was assigned on November 10, 2016, and it is active in the NPI Registry.
What does Douglas Casey Rau specialize in?
Douglas Casey Rau is a nurse practitioner in Grand Rapids, Michigan. The primary specialty in the NPI Registry is Nurse Practitioner (taxonomy code 363L00000X).
Where does Douglas Casey Rau practice?
Douglas Rau practices at 1900 Wealthy SE St, Grand Rapids, MI 49506. Douglas Rau's primary practice is Corewell Health Medical Group West in Grand Rapids, Michigan. Dmand AI also links Douglas Rau to 1 hospital, 3 group practices and clinics and 2 medical groups.
What is Douglas Casey Rau's office phone number?
The practice phone on file for Douglas Rau is (616) 459-0292.
What is Douglas Casey Rau's medical license number?
Douglas Rau holds Michigan license 4704266089.
Which hospitals is Douglas Casey Rau affiliated with?
Douglas Rau is affiliated with Corewell Health Grand Rapids Hospitals - Butterworth. Dmand AI links Douglas Rau to 1 more hospital.
What medical group is Douglas Casey Rau part of?
Douglas Rau is linked to Corewell Health Medical Group West. Dmand AI links Douglas Rau to 2 more medical groups.
Does Douglas Casey Rau accept Medicare?
Yes. CMS lists Douglas Rau as accepting Medicare assignment.
Does Douglas Casey Rau offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Douglas Rau as offering telehealth services.
How many Medicare patients does Douglas Casey Rau see?
CMS counts 118 Medicare patients who saw Douglas Rau in 2024, with an average age of 70.
Has Douglas Casey Rau received payments from drug or device companies?
CMS Open Payments shows $23 in general payments to Douglas Rau from 1 company from 2025 to 2025. The largest total came from Abbott Laboratories.
How long has Douglas Casey Rau been practicing?
Douglas Rau graduated from medical school in 2016, 10 years ago.
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