Gordon D. Merchen, CRNA
- Medicare patients, 2024
- 120
- Hospital affiliations
- 2
- Industry payments
- $18
- Medical groups
- 2
- State license
- 1
- Practice address
- 353 Fairmont Blvd, Rapid City, SD 57701
- Practice phone
- Call (605) 755-1000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Gordon Merchen'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.
Gordon D. Merchen is a nurse anesthetist in Rapid City, South Dakota
Gordon Merchen practices at Monument Health Rapid City Hospital in Rapid City, South Dakota, part of Monument Health.
Gordon Merchen's NPI, 1336259498, was assigned on August 30, 2006. Gordon Merchen holds South Dakota license CR000633.
- NPI
- 1336259498NPI Registry (opens in a new tab)
- Medicare PAC ID
- 2365457520
- NPI enumeration date
- August 30, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (605) 755-1000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 47
- Medical school graduation
- 2005
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Gordon D. Merchen practices at Monument Health Rapid City Hospital in Rapid City, South Dakota
Gordon Merchen's primary practice is Monument Health Rapid City Hospital, at 353 Fairmont Blvd, Rapid City, SD 57701 in Pennington County. The practice phone is (605) 755-1000.
- Monument Health Rapid City Hospital353 Fairmont Blvd, Rapid City, SD 57701 · Pennington CountyPhone(605) 755-1000
Source: Dmand AI Affiliation Data
Gordon D. Merchen is affiliated with 2 sites of care and 2 medical groups
Gordon Merchen's primary practice is Monument Health Rapid City Hospital in Rapid City, South Dakota, part of Monument Health. Gordon Merchen is also affiliated with Same Day Surgery Center. The medical group on file is Monument Health Rapid City Hospital. Dmand AI also links Gordon Merchen to 1 more medical group, named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Gordon D. Merchen's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Gordon Merchen practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Monument Health Rapid City Hospital | Available with a free account |
| +1 more site and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across Monument Health and 6.2K+ hospitals, with verified contacts in the same login.
Gordon D. Merchen is one of 439 nurse anesthetists in South Dakota
Nurse anesthetist, certified registered is Gordon Merchen's primary specialty in the NPI Registry, under taxonomy code 367500000X. Gordon Merchen is licensed in South Dakota.
Specialties and state licenses
- Certified registered nurse anesthetist, South DakotaPrimary
Nurse anesthetists near Gordon Merchen
Counts of nurse anesthetists 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
Gordon D. Merchen treated 120 Medicare patients in 2024, average age 74
CMS counts 120 Medicare patients who saw Gordon Merchen in 2024. The largest group is 65 to 74, with 51 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 20% are also on Medicaid. Their average risk score is 1.93, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Gordon Merchen's median patient age at 68, with 54% women.
Gordon Merchen's Medicare patients by age, 2024
Gordon Merchen's Medicare patients by sex, 2024
- Women6353%
- Men5748%
Chronic conditions among Gordon Merchen's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis58%
- Ischemic heart disease47%
- Chronic kidney disease41%
- Mood disorders38%
- Depression36%
- Diabetes34%
Share of Medicare patients with each condition. A patient can have several.
Gordon Merchen's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 68
Patient panel by sex, all payers
- Women54%
- Men46%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
How Gordon D. Merchen takes part in Medicare
Gordon Merchen accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
Gordon D. Merchen received $18 in industry payments in 2025
CMS Open Payments shows 1 general payment to Gordon Merchen from 1 drug or device company in 2025. Food and beverage make up the largest share, 100% of the total. Pacira Pharmaceuticals Incorporated paid the most, $18.
Companies that paid Gordon Merchen 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 Gordon D. Merchen'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 DataDmand AI Org Hierarchy 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) |
| 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 Gordon D. Merchen
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Gordon D. Merchen's NPI number?
Gordon D. Merchen's NPI number is 1336259498. It was assigned on August 30, 2006, and it is active in the NPI Registry.
What does Gordon D. Merchen specialize in?
Gordon D. Merchen is a nurse anesthetist in Rapid City, South Dakota. The primary specialty in the NPI Registry is Certified Registered Nurse Anesthetist (taxonomy code 367500000X).
Where does Gordon D. Merchen practice?
Gordon Merchen practices at 353 Fairmont Blvd, Rapid City, SD 57701. Gordon Merchen's primary practice is Monument Health Rapid City Hospital in Rapid City, South Dakota, part of Monument Health. Dmand AI also links Gordon Merchen to 1 medical group.
What is Gordon D. Merchen's office phone number?
The practice phone on file for Gordon Merchen is (605) 755-1000.
What is Gordon D. Merchen's medical license number?
Gordon Merchen holds South Dakota license CR000633.
Which hospitals is Gordon D. Merchen affiliated with?
Gordon Merchen practices at Monument Health Rapid City Hospital in Rapid City, South Dakota. Gordon Merchen is also affiliated with Same Day Surgery Center.
What medical group is Gordon D. Merchen part of?
Gordon Merchen is linked to Monument Health Rapid City Hospital. Dmand AI links Gordon Merchen to 1 more medical group.
Does Gordon D. Merchen accept Medicare?
Yes. CMS lists Gordon Merchen as accepting Medicare assignment.
How many Medicare patients does Gordon D. Merchen see?
CMS counts 120 Medicare patients who saw Gordon Merchen in 2024, with an average age of 74.
Has Gordon D. Merchen received payments from drug or device companies?
CMS Open Payments shows $18 in general payments to Gordon Merchen from 1 company from 2025 to 2025. The largest total came from Pacira Pharmaceuticals Incorporated.
How long has Gordon D. Merchen been practicing?
Gordon Merchen graduated from medical school in 2005, 21 years ago.
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