Dr. April Ann Erwin, MD
- Medicare services, 2024
- 76,122
- Medicare patients, 2024
- 211
- Part D claims, 2024
- 1,764
- Publications
- 5
- Clinical trials
- 1
- Practice address
- 370 E 9th Ave Ste 106 Suite 106, Salt Lake City, UT 84103
- Practice phone
- Call (801) 408-5700
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Rocky Mountain Ms Clinic
Behavioral health practice · Salt Lake City, Utah
Find Dr. Erwin's professional email, personal email and mobile number
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Dr. April Ann Erwin is a neurologist in Salt Lake City, Utah
Dr. Erwin practices at Rocky Mountain Ms Clinic in Salt Lake City, Utah.
Dr. Erwin's NPI, 1194976670, was assigned on October 2, 2008. Dr. Erwin graduated from Louisiana State University School of Medicine in New Orleans in 2007. Dr. Erwin holds Louisiana license MD.205310.
- NPI
- 1194976670NPI Registry (opens in a new tab)
- Medicare PAC ID
- 4688837941
- NPI enumeration date
- October 2, 2008
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (801) 408-5700
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 45
- Medical school graduation
- 2007
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. April Ann Erwin practices at Rocky Mountain Ms Clinic in Salt Lake City, Utah
Dr. Erwin's primary practice is Rocky Mountain Ms Clinic, at 370 E 9th Ave Ste 106 Suite 106, Salt Lake City, UT 84103. The practice phone is (801) 408-5700.
- Rocky Mountain Ms Clinic370 E 9th Ave Ste 106 Suite 106, Salt Lake City, UT 84103Phone(801) 408-5700
Source: Dmand AI Affiliation Data
Dr. April Ann Erwin is affiliated with 7 sites of care and 2 medical groups
Dr. Erwin's primary practice is Rocky Mountain Ms Clinic in Salt Lake City, Utah. Dr. Erwin is also affiliated with LDS Hospital. The medical group on file is Rocky Mountain Multiple Sclerosis Clinic. Dmand AI also links Dr. Erwin to 4 more hospitals, 1 group practice or clinic and 1 medical group, each named with a free account.
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. April Ann Erwin's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Erwin practices, 7 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Rocky Mountain Ms Clinic | Available with a free account |
| +6 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. April Ann Erwin is one of 178 neurologists in Utah
Neurology is Dr. Erwin's primary specialty in the NPI Registry, under taxonomy code 2084N0400X. Dmand AI has Dr. Erwin's licenses on file in 2 states: Louisiana and District of Columbia.
Specialties and state licenses
- Neurology, LouisianaPrimary
- Internal medicine, District of Columbia
Neurologists near Dr. Erwin
Counts of neurologists 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. April Ann Erwin billed Medicare for 76,122 services in 2024
CMS data shows 76,122 Medicare services from Dr. Erwin across 12 procedure codes in 2024, for 211 Medicare patients. Medicare paid $1,486,976 for them. Every service was in an office.
Dr. Erwin's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Drugs given in the office
- 2023: 56,2382024: 75,36734%
- Tests and treatments
- 2023: 2762024: 39744%
- Office and hospital visits
- 2023: 1782024: 24940%
- Other services
- 2023: 02024: 109
Dr. Erwin compared with the Utah median for neurologists, 2024
- Dr. Erwin
- Utah median
- Medicare services
- 76,122vs 250304.5 times
- Medicare patients
- 211vs 13161% above
- Part D claims
- 1,342vs 2525.3 times
Medians across 172 neurologists in Utah with Dmand AI profiles that report each measure.
Dr. Erwin'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. Erwin and other neurologists in Utah.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. April Ann Erwin treated 211 Medicare patients in 2024, average age 66
CMS counts 211 Medicare patients who saw Dr. Erwin in 2024. The largest group is 65 to 74, with 109 patients. 50% of them have high blood pressure, and 45% have high cholesterol. 6% are also on Medicaid. Their average risk score is 1.31, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Erwin's median patient age at 50, with 72% women.
Dr. Erwin's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Erwin's Medicare patients by sex, 2024
- Women14669%
- Men6531%
Chronic conditions among Dr. Erwin's Medicare patients, 2024
- High blood pressure50%
- High cholesterol45%
- Mood disorders40%
- Depression38%
- Arthritis37%
- Anxiety27%
- Osteoporosis21%
- Chronic kidney disease16%
Share of Medicare patients with each condition. A patient can have several.
Dr. Erwin's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 50
Patient panel by sex, all payers
- Women72%
- Men27%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. April Ann Erwin wrote 1,764 Medicare Part D claims in 2024
In 2024, Dr. Erwin wrote 1,764 Medicare Part D claims for 340 patients. 91% of them were for generic drugs. CMS names the drug for 1,342 of them, across 48 drugs with 11 or more claims each, at $383,879 in total drug cost. In 2023, CMS named 2,471 claims across 79 drugs.
Dr. Erwin's Part D claims by kind of drug, 2024
- Generic1,599 claims91%
- Brand-name and other165 claims9%
Dr. Erwin'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. Erwin's Part D claims, 2024
- Opioids3%48 of 1,764 claims
- Antibiotics1%13 of 1,764 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: 2,4712024: 1,34246%
Drugs named by CMS: 48 in 2024, 79 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
Dr. April Ann Erwin offers telehealth to Medicare patients
Dr. Erwin accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Erwin as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. April Ann Erwin has 5 publications on record
Dmand AI links 5 papers to Dr. Erwin, published from 2011 to 2025. 2025 was the busiest year, with 2. The most frequent topics are Multiple Sclerosis. Dr. Erwin has published most often in Front Immunol. Dr. Erwin's most frequent co-authors are Jonathan Christian Calkwood, MD, Mark Leekoff, MD and Carlo Salvator Tornatore.
Dr. Erwin's papers by year, 2011 to 2025
Topics Dr. Erwin writes about most
- Multiple Sclerosis
Dr. Erwin's most frequent co-authors
- Jonathan Christian Calkwood, MD2 shared papers
- Mark Leekoff, MD2 shared papers
- Carlo Salvator Tornatore2 shared papers
Recent publications by Dr. Erwin
Front Immunol
See who Dr. Erwin researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Erwin works with, so you can find a warm path to the right neurologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. April Ann Erwin has worked on 1 clinical trial
Dmand AI links Dr. Erwin to 1 clinical trial. Conditions studied include Multiple Sclerosis, Chronic Progressive and Multiple Sclerosis.
Conditions in Dr. Erwin's trials
- Multiple Sclerosis, Chronic Progressive
- Multiple Sclerosis
Investigators on the most trials with Dr. Erwin
Recent clinical trials with Dr. Erwin
Phase 1/2 Study to Evaluate the Safety and Efficacy of ATA188 in Subjects With Progressive Multiple Sclerosis (opens in a new tab)
Sources: Dmand AI Research Linkage; and ClinicalTrials.gov (National Library of Medicine)
Dr. April Ann Erwin received $456,602 in industry payments from 2016 to 2025
CMS Open Payments shows 2,071 general payments to Dr. Erwin from 67 drug and device companies from 2016 to 2025. Consulting fees make up the largest share, 49% of the total. Sanofi and Genzyme US Companies paid the most, $95,207.
General payments to Dr. Erwin by program year, 2016 to 2025
General payments to Dr. Erwin by kind, 2016 to 2025
- Consulting fees$223,32849%
- Speaker and faculty fees$153,62734%
- Travel and lodging$42,9179%
- Food and beverage$36,0488%
- Education$6820%
Companies that paid Dr. Erwin the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. April Ann Erwin graduated from Louisiana State University School of Medicine in New Orleans
Dr. Erwin graduated from Louisiana State University School of Medicine in New Orleans in 2007.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. April Ann Erwin'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 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) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Clinical trials and co-investigators | Dmand AI Research LinkageClinicalTrials.gov (National Library of Medicine) (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 Dr. April Ann Erwin
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. April Ann Erwin's NPI number?
Dr. April Ann Erwin's NPI number is 1194976670. It was assigned on October 2, 2008, and it is active in the NPI Registry.
What kind of doctor is Dr. April Ann Erwin?
Dr. April Ann Erwin is a neurologist in Salt Lake City, Utah. The primary specialty in the NPI Registry is Neurology Physician (taxonomy code 2084N0400X).
Where does Dr. April Ann Erwin practice?
Dr. Erwin practices at 370 E 9th Ave Ste 106 Suite 106, Salt Lake City, UT 84103. Dr. Erwin's primary practice is Rocky Mountain Ms Clinic in Salt Lake City, Utah. Dmand AI also links Dr. Erwin to 4 hospitals, 1 group practice or clinic and 1 medical group.
What is Dr. April Ann Erwin's office phone number?
The practice phone on file for Dr. Erwin is (801) 408-5700.
What is Dr. April Ann Erwin's medical license number?
Dr. Erwin holds Louisiana license MD.205310, one of the licenses on file in 2 states.
Which states has Dr. April Ann Erwin been licensed in?
Dmand AI has state licenses on file for Dr. Erwin in Louisiana and District of Columbia.
Which hospitals is Dr. April Ann Erwin affiliated with?
Dr. Erwin is affiliated with LDS Hospital. Dmand AI links Dr. Erwin to 4 more hospitals.
What medical group is Dr. April Ann Erwin part of?
Dr. Erwin is linked to Rocky Mountain Multiple Sclerosis Clinic. Dmand AI links Dr. Erwin to 1 more medical group.
Does Dr. April Ann Erwin accept Medicare?
Yes. CMS data shows Dr. Erwin billed Medicare for 76,122 services in 2024, and Dr. Erwin accepts Medicare assignment.
Does Dr. April Ann Erwin offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Erwin as offering telehealth services.
Show 8 more questionsShow fewer questions
How many Medicare patients does Dr. April Ann Erwin see?
CMS counts 211 Medicare patients who saw Dr. Erwin in 2024, with an average age of 66.
What services does Dr. April Ann Erwin bill to Medicare?
In 2024, Dr. Erwin's most billed Medicare services were injected or infused drug (J2323), injected or infused drug (J2350) and injected or infused drug (J2919).
Where did Dr. April Ann Erwin go to medical school?
Dr. Erwin graduated from Louisiana State University School of Medicine in New Orleans in 2007.
What drugs does Dr. April Ann Erwin prescribe most?
In 2024 Medicare Part D data, Dr. Erwin's most prescribed drugs by claims were Baclofen, Gabapentin and Dalfampridine ER.
Has Dr. April Ann Erwin received payments from drug or device companies?
CMS Open Payments shows $456,602 in general payments to Dr. Erwin from 67 companies from 2016 to 2025. The largest total came from Sanofi and Genzyme US Companies.
How long has Dr. April Ann Erwin been practicing?
Dr. Erwin graduated from medical school in 2007, 19 years ago.
Does Dr. April Ann Erwin do research?
Dmand AI links 5 publications to Dr. Erwin, published from 2011 to 2025. Dr. Erwin has worked on 1 clinical trial.
Who does Dr. April Ann Erwin publish with?
Dr. Erwin's most frequent co-authors are Jonathan Christian Calkwood, MD (2 shared papers), Mark Leekoff, MD (2 shared papers) and Carlo Salvator Tornatore (2 shared papers).
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