Dr. Alexander Chase Peterson, MD
- Medicare services, 2024
- 1,488
- Medicare patients, 2024
- 977
- Part D claims, 2024
- 271
- Hospital affiliations
- 4
- Industry payments
- $15
- 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 Dr. Peterson's professional email, personal email and mobile number
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Dr. Alexander Chase Peterson is an emergency medicine physician in Rapid City, South Dakota
Dr. Peterson practices at Monument Health Rapid City Hospital in Rapid City, South Dakota, part of Monument Health.
Dr. Peterson's NPI, 1447887849, was assigned on March 25, 2020. Dr. Peterson holds South Dakota license 14518.
- NPI
- 1447887849NPI Registry (opens in a new tab)
- Medicare PAC ID
- 7719382647
- NPI enumeration date
- March 25, 2020
- 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
- 32
- Medical school graduation
- 2020
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Alexander Chase Peterson practices at Monument Health Rapid City Hospital in Rapid City, South Dakota
Dr. Peterson'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
Dr. Alexander Chase Peterson is affiliated with 6 sites of care and 6 medical groups
Dr. Peterson's primary practice is Monument Health Rapid City Hospital in Rapid City, South Dakota, part of Monument Health. Dr. Peterson is also affiliated with Monument Health Custer Hospital. The medical group on file is Rapid City Emergency Services. Dmand AI also links Dr. Peterson to 2 more hospitals, 5 medical groups and 2 group practices and clinics, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Alexander Chase Peterson's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Peterson practices, 6 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 |
| +5 more sites and 5 medical groups | 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.
Dr. Alexander Chase Peterson is one of 140 emergency medicine physicians in South Dakota
Emergency medicine is Dr. Peterson's primary specialty in the NPI Registry, under taxonomy code 207P00000X. Dmand AI has Dr. Peterson's licenses on file in 2 states: South Dakota and Kentucky.
Specialties and state licenses
- Emergency medicine, South DakotaPrimary
- Kentucky license
Emergency medicine physicians near Dr. Peterson
Counts of emergency medicine physicians 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. Alexander Chase Peterson billed Medicare for 1,488 services in 2024
CMS data shows 1,488 Medicare services from Dr. Peterson across 5 procedure codes in 2024, for 977 Medicare patients. Medicare paid $124,827 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Peterson's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 5122024: 1,02199%
- Tests and treatments
- 2023: 2122024: 467120%
Dr. Peterson compared with the South Dakota median for emergency medicine physicians, 2024
- Dr. Peterson
- South Dakota median
- Medicare services
- 1,488vs 2845.2 times
- Medicare patients
- 977vs 2713.6 times
- Part D claims
- 133vs 284.8 times
Medians across 138 emergency medicine physicians in South Dakota with Dmand AI profiles that report each measure.
Dr. Peterson'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.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Peterson and other emergency medicine physicians in South Dakota.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Alexander Chase Peterson treated 977 Medicare patients in 2024, average age 74
CMS counts 977 Medicare patients who saw Dr. Peterson in 2024. The largest group is 65 to 74, with 358 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 20% are also on Medicaid. Their average risk score is 1.79, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Peterson's median patient age at 72, with 59% women.
Dr. Peterson's Medicare patients by age, 2024
Dr. Peterson's Medicare patients by sex, 2024
- Women55457%
- Men42343%
Chronic conditions among Dr. Peterson's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis49%
- Ischemic heart disease40%
- Diabetes39%
- Anxiety33%
- Chronic kidney disease33%
- Heart failure32%
Share of Medicare patients with each condition. A patient can have several.
Dr. Peterson's 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
- Women59%
- Men41%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Alexander Chase Peterson wrote 271 Medicare Part D claims in 2024
In 2024, Dr. Peterson wrote 271 Medicare Part D claims for 214 patients. 97% of them were for generic drugs. CMS names the drug for 133 of them, across 6 drugs with 11 or more claims each, at $693 in total drug cost. In 2023, CMS named 93 claims across 5 drugs.
Dr. Peterson's Part D claims by kind of drug, 2024
- Generic264 claims97%
- Brand-name and other7 claims3%
Dr. Peterson'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. Peterson's Part D claims, 2024
- Opioids4%11 of 271 claims
- Antibiotics42%113 of 271 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: 932024: 13343%
Drugs named by CMS: 6 in 2024, 5 in 2023.
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
How Dr. Alexander Chase Peterson takes part in Medicare
Dr. Peterson accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Pacemaker insertion or repair: 1 to 10 procedures (CMS shows small counts as a range)
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
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Dr. Alexander Chase Peterson received $15 in industry payments in 2024
CMS Open Payments shows 1 general payment to Dr. Peterson from 1 drug or device company in 2024. Food and beverage make up the largest share, 100% of the total. Merck Sharp & Dohme Corporation paid the most, $15.
Companies that paid Dr. Peterson the most, 2024 to 2024
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Alexander Chase Peterson'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 services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| 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 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 percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (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 Dr. Alexander Chase Peterson
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. Alexander Chase Peterson's NPI number?
Dr. Alexander Chase Peterson's NPI number is 1447887849. It was assigned on March 25, 2020, and it is active in the NPI Registry.
What kind of doctor is Dr. Alexander Chase Peterson?
Dr. Alexander Chase Peterson is an emergency medicine physician in Rapid City, South Dakota. The primary specialty in the NPI Registry is Emergency Medicine Physician (taxonomy code 207P00000X).
Where does Dr. Alexander Chase Peterson practice?
Dr. Peterson practices at 353 Fairmont Blvd, Rapid City, SD 57701. Dr. Peterson's primary practice is Monument Health Rapid City Hospital in Rapid City, South Dakota, part of Monument Health. Dmand AI also links Dr. Peterson to 2 hospitals, 5 medical groups and 2 group practices and clinics.
What is Dr. Alexander Chase Peterson's office phone number?
The practice phone on file for Dr. Peterson is (605) 755-1000.
What is Dr. Alexander Chase Peterson's medical license number?
Dr. Peterson holds South Dakota license 14518, one of the licenses on file in 2 states.
Which states has Dr. Alexander Chase Peterson been licensed in?
Dmand AI has state licenses on file for Dr. Peterson in South Dakota and Kentucky.
Which hospitals is Dr. Alexander Chase Peterson affiliated with?
Dr. Peterson practices at Monument Health Rapid City Hospital in Rapid City, South Dakota. Dr. Peterson is also affiliated with Monument Health Custer Hospital. Dmand AI links Dr. Peterson to 2 more hospitals.
What medical group is Dr. Alexander Chase Peterson part of?
Dr. Peterson is linked to Rapid City Emergency Services. Dmand AI links Dr. Peterson to 5 more medical groups.
Does Dr. Alexander Chase Peterson accept Medicare?
Yes. CMS data shows Dr. Peterson billed Medicare for 1,488 services in 2024, and Dr. Peterson accepts Medicare assignment.
How many Medicare patients does Dr. Alexander Chase Peterson see?
CMS counts 977 Medicare patients who saw Dr. Peterson in 2024, with an average age of 74.
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What services does Dr. Alexander Chase Peterson bill to Medicare?
In 2024, Dr. Peterson's most billed Medicare services were emergency department visit (99285), heart test or procedure (93010) and critical care (99291).
What drugs does Dr. Alexander Chase Peterson prescribe most?
In 2024 Medicare Part D data, Dr. Peterson's most prescribed drugs by claims were Cephalexin, Ondansetron ODT and Prednisone.
Has Dr. Alexander Chase Peterson received payments from drug or device companies?
CMS Open Payments shows $15 in general payments to Dr. Peterson from 1 company from 2024 to 2024. The largest total came from Merck Sharp & Dohme Corporation.
How long has Dr. Alexander Chase Peterson been practicing?
Dr. Peterson graduated from medical school in 2020, 6 years ago.
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