Dr. Benjamin William Simpson, MD
- Medicare services, 2024
- 40
- Medicare patients, 2024
- 24
- Part D claims, 2024
- 1,984
- Hospital affiliations
- 1
- Medical group
- 1
- Practice address
- 408 Wendell Ave, Lewistown, MT 59457
- Practice phone
- Call (406) 535-7711
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Simpson'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.
Dr. Benjamin William Simpson is a family medicine physician in Lewistown, Montana
Dr. Simpson practices at Central Montana Medical Center in Lewistown, Montana, part of Central Montana Medical Center.
Dr. Simpson's NPI, 1538502521, was assigned on April 9, 2013. Dr. Simpson holds Montana license MED-PHYS-LIC-57836.
- NPI
- 1538502521NPI Registry (opens in a new tab)
- NPI enumeration date
- April 9, 2013
- NPI status
- Active
- Practice phone
- (406) 535-7711
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 39
- Medical school graduation
- 2013
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. Benjamin William Simpson practices at Central Montana Medical Center in Lewistown, Montana
Dr. Simpson's primary practice is Central Montana Medical Center, at 408 Wendell Ave, Lewistown, MT 59457 in Fergus County. The practice phone is (406) 535-7711.
- Central Montana Medical Center408 Wendell Ave, Lewistown, MT 59457 · Fergus CountyPhone(406) 535-7711
Source: Dmand AI Affiliation Data
Dr. Benjamin William Simpson is affiliated with 3 sites of care and 1 medical group
Dr. Simpson's primary practice is Central Montana Medical Center in Lewistown, Montana, part of Central Montana Medical Center. The medical group on file is Central Montana Medical Center. Dmand AI also links Dr. Simpson to 1 more home health agency and 1 hospice, 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. Benjamin William Simpson's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Simpson practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Central Montana Medical Center | Available with a free account |
| +2 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Benjamin William Simpson is one of 675 family medicine physicians in Montana
Family medicine is Dr. Simpson's primary specialty in the NPI Registry, under taxonomy code 207Q00000X. Dmand AI has Dr. Simpson's licenses on file in 2 states: Montana and Washington.
Specialties and state licenses
- Family medicine, MontanaPrimary
- Washington license
Family medicine physicians near Dr. Simpson
Counts of family 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. Benjamin William Simpson billed Medicare for 40 services in 2024
CMS data shows 40 Medicare services from Dr. Simpson across 1 procedure code in 2024, for 24 Medicare patients. Medicare paid $2,516 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Simpson's Medicare services by type, 2022 to 2024
- 2022
- 2024
- Office and hospital visits
- 2022: 252024: 4060%
- Lab and pathology
- 2022: 242024: 0100%
Dr. Simpson compared with the Montana median for family medicine physicians, 2024
- Dr. Simpson
- Montana median
- Medicare services
- 40vs 30487% below
- Medicare patients
- 24vs 17286% below
- Part D claims
- 1,533vs 7522.0 times
Medians across 706 family medicine physicians in Montana with Dmand AI profiles that report each measure.
Dr. Simpson'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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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Benjamin William Simpson treated 24 Medicare patients in 2024, average age 74
CMS counts 24 Medicare patients who saw Dr. Simpson in 2024. The largest group is 65 to 74, with 12 patients. 75% of them have high blood pressure, and 54% have high cholesterol. Their average risk score is 1.84, 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. Simpson's median patient age at 70, with 61% women.
Dr. Simpson's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Simpson's Medicare patients by sex, 2024
- Women1354%
- Men1146%
Chronic conditions among Dr. Simpson's Medicare patients, 2024
- High blood pressure75%
- High cholesterol54%
- Mood disorders54%
- Depression50%
- Arthritis46%
- Diabetes46%
- Heart failure46%
Share of Medicare patients with each condition. A patient can have several.
Dr. Simpson's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 70
Patient panel by sex, all payers
- Women61%
- Men39%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Benjamin William Simpson wrote 1,984 Medicare Part D claims in 2024
In 2024, Dr. Simpson wrote 1,984 Medicare Part D claims for 144 patients. 88% of them were for generic drugs. CMS names the drug for 1,533 of them, across 56 drugs with 11 or more claims each, at $71,956 in total drug cost. In 2023, CMS named 1,309 claims across 46 drugs.
Dr. Simpson's Part D claims by kind of drug, 2024
- Generic1,737 claims88%
- Brand-name224 claims11%
- Other23 claims1%
Dr. Simpson'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. Simpson's Part D claims, 2024
- Opioids5%98 of 1,984 claims
- Antibiotics3%50 of 1,984 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: 1,3092024: 1,53317%
Drugs named by CMS: 56 in 2024, 46 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
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Sources for Dr. Benjamin William Simpson'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) |
| 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. Benjamin William Simpson
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. Benjamin William Simpson's NPI number?
Dr. Benjamin William Simpson's NPI number is 1538502521. It was assigned on April 9, 2013, and it is active in the NPI Registry.
What kind of doctor is Dr. Benjamin William Simpson?
Dr. Benjamin William Simpson is a family medicine physician in Lewistown, Montana. The primary specialty in the NPI Registry is Family Medicine Physician (taxonomy code 207Q00000X).
Where does Dr. Benjamin William Simpson practice?
Dr. Simpson practices at 408 Wendell Ave, Lewistown, MT 59457. Dr. Simpson's primary practice is Central Montana Medical Center in Lewistown, Montana, part of Central Montana Medical Center. Dmand AI also links Dr. Simpson to 1 home health agency and 1 hospice.
What is Dr. Benjamin William Simpson's office phone number?
The practice phone on file for Dr. Simpson is (406) 535-7711.
What is Dr. Benjamin William Simpson's medical license number?
Dr. Simpson holds Montana license MED-PHYS-LIC-57836, one of the licenses on file in 2 states.
Which states has Dr. Benjamin William Simpson been licensed in?
Dmand AI has state licenses on file for Dr. Simpson in Montana and Washington.
Which hospitals is Dr. Benjamin William Simpson affiliated with?
Dr. Simpson practices at Central Montana Medical Center in Lewistown, Montana.
What medical group is Dr. Benjamin William Simpson part of?
Dr. Simpson is linked to Central Montana Medical Center.
Does Dr. Benjamin William Simpson accept Medicare?
Yes. CMS data shows Dr. Simpson billed Medicare for 40 services in 2024.
How many Medicare patients does Dr. Benjamin William Simpson see?
CMS counts 24 Medicare patients who saw Dr. Simpson in 2024, with an average age of 74.
Show 3 more questionsShow fewer questions
What services does Dr. Benjamin William Simpson bill to Medicare?
In 2024, Dr. Simpson's most billed Medicare services were hospital inpatient care (99232).
What drugs does Dr. Benjamin William Simpson prescribe most?
In 2024 Medicare Part D data, Dr. Simpson's most prescribed drugs by claims were Atorvastatin Calcium, Levothyroxine Sodium and Losartan Potassium.
How long has Dr. Benjamin William Simpson been practicing?
Dr. Simpson graduated from medical school in 2013, 13 years ago.
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