Dr. Charles Wynn Acher, MD

  • Missoula, MT
  • Colorectal surgeon
NPI1033472519PAC ID0042516627
Medicare services, 2024
299
Medicare patients, 2024
160
Part D claims, 2024
289
Publications
30
Hospital affiliations
2
Practice address
500 W Broadway, Missoula, MT 59802
Practice phone
Call (406) 543-7271
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Providence St. Patrick Hospital

Hospital · Missoula, Montana

See all 4 affiliations

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Dr. Charles Wynn Acher is a colorectal surgeon in Missoula, Montana

Dr. Acher practices at Providence St. Patrick Hospital in Missoula, Montana, part of Providence Health & Services.

Dr. Acher's NPI, 1033472519, was assigned on June 20, 2012. Dr. Acher graduated from University of Wisconsin-Madison in 2012. Dr. Acher holds Montana license MED-PHYS-LIC-69777.

NPI and contact details
Medicare PAC ID
0042516627
NPI enumeration date
June 20, 2012
NPI status
Active
Accepts Medicare assignment
Yes
Offers telehealth
Yes
Practice phone
(406) 543-7271
Professional email
Get email
Personal email
Get email
Mobile number
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Sex
Male
Estimated age
40
Medical school graduation
2012

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Dr. Charles Wynn Acher practices at Providence St. Patrick Hospital in Missoula, Montana

Dr. Acher's primary practice is Providence St. Patrick Hospital, at 500 W Broadway, Missoula, MT 59802 in Missoula County. The practice phone is (406) 543-7271.

Source: Dmand AI Affiliation Data

Dr. Charles Wynn Acher is affiliated with 2 sites of care and 2 medical groups

Dr. Acher's primary practice is Providence St. Patrick Hospital in Missoula, Montana, part of Providence Health & Services. Dr. Acher is also affiliated with Bitterroot Health - Daly Hospital. The medical group on file is Providence St. Patrick Hospital. Dmand AI also links Dr. Acher to 1 more medical group, named with a free account.

See all 4 affiliations for Dr. Acher

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Dr. Charles Wynn Acher's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Acher practices, 2 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Providence St. Patrick HospitalAvailable with a free account
+1 more site and 1 medical groupAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Charles Wynn Acher is one of 4 colorectal surgeons in Montana

Colon and rectal surgery is Dr. Acher's primary specialty in the NPI Registry, under taxonomy code 208C00000X. Dr. Acher is board certified in colon & rectal surgery by the American Board of Colon and Rectal Surgery. Dmand AI has Dr. Acher's licenses on file in 2 states: Montana and Wisconsin.

Specialties and state licenses

  • Colon and rectal surgery, MontanaPrimaryLicense MED-PHYS-LIC-69777 · 2018 to 2026 · taxonomy 208C00000X
  • Surgery, WisconsinLicense 1033472519 · 2014 to 2019 · taxonomy 208600000X

Clinical focus

Dmand AI lists abdominal adhesion surgery, abdominal hernia repair surgery, appendectomy, colonoscopy, colon removal, gastrointestinal bleeding, hemorrhoids and intestinal or bowel obstruction among the conditions Dr. Acher treats.

Colorectal surgeons near Dr. Acher

Counts of colorectal surgeons with a Dmand AI profile, by place and practice. Each opens the list.

4colorectal surgeons in Montana

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Dr. Charles Wynn Acher billed Medicare for 299 services in 2024

CMS data shows 299 Medicare services from Dr. Acher across 6 procedure codes in 2024, for 160 Medicare patients. Medicare paid $46,221 for them.

Medicare services, 2024299
Medicare patients160
Paid by Medicare$46,221
Procedure codes6

Dr. Acher's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Office and hospital visits
2023: 2402024: 2228%
Surgery
2023: 892024: 7713%

Where Dr. Acher's Medicare services took place, 2024

  • In an office28595%
  • In a facility145%

Dr. Acher'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.

See all procedures by Dr. Acher

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Source: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data

Dr. Charles Wynn Acher treated 160 Medicare patients in 2024, average age 71

CMS counts 160 Medicare patients who saw Dr. Acher in 2024. The largest group is 65 to 74, with 95 patients. 60% of them have high blood pressure, and 60% have high cholesterol. 15% are also on Medicaid. Their average risk score is 1.36, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Dr. Acher's median patient age at 64, with 56% women.

Medicare patients, 2024160
Average age71
Average risk score1.36
Also on Medicaid15%

Dr. Acher's Medicare patients by age, 2024

CMS leaves out age groups with fewer than 11 patients.

Dr. Acher's Medicare patients by sex, 2024

  • Women9761%
  • Men6339%

Chronic conditions among Dr. Acher's Medicare patients, 2024

  1. High blood pressure60%
  2. High cholesterol60%
  3. Arthritis38%
  4. Cancer34%
  5. Mood disorders29%
  6. Anxiety28%
  7. Depression27%
  8. Ischemic heart disease23%

Share of Medicare patients with each condition. A patient can have several.

Dr. Acher's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 64

Patient panel by sex, all payers

  • Women56%
  • Men44%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Dr. Charles Wynn Acher wrote 289 Medicare Part D claims in 2024

In 2024, Dr. Acher wrote 289 Medicare Part D claims for 78 patients. 95% of them were for generic drugs. CMS names the drug for 244 of them, across 7 drugs with 11 or more claims each, at $1,159 in total drug cost. In 2023, CMS named 370 claims across 8 drugs.

Part D claims, 2024289
Drugs named by CMS7
Total drug cost$1,159
Part D patients78

Dr. Acher's Part D claims by kind of drug, 2024

  • Generic275 claims95%
  • Brand-name14 claims5%

Dr. Acher'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. Acher's Part D claims, 2024

  • Opioids17%50 of 289 claims
  • Antibiotics26%76 of 289 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: 3702024: 24434%

Drugs named by CMS: 7 in 2024, 8 in 2023.

See all prescribing by Dr. Acher

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. Charles Wynn Acher ranks in the 57th percentile for colonoscopy in Medicare

Dr. Acher accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Acher as offering telehealth. CMS counts 36 procedures of colonoscopy by Dr. Acher, more than 57% of the clinicians it reports for that procedure.

Accepts Medicare assignment
Yes
Offers telehealth
Yes

Where Dr. Acher ranks in Medicare procedure volume

Colonoscopy
57th percentile36 procedures

CMS ranks each clinician against every clinician it reports for the same procedure category.

Melanoma (skin cancer) excision: 1 to 10 procedures (CMS shows small counts as a range)

Removal of skin lesions: 1 to 10 procedures (CMS shows small counts as a range)

Removal of tissue: 1 to 10 procedures (CMS shows small counts as a range)

Skin biopsy: 1 to 10 procedures (CMS shows small counts as a range)

Upper gastrointestinal (GI) endoscopy for acid reflux: 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. Charles Wynn Acher has 30 publications on record

Dmand AI links 30 papers to Dr. Acher, published from 2008 to 2020. 2016 was the busiest year, with 2. The most frequent topics are Aortic Aneurysm, Abdominal, Aortic Aneurysm, Thoracic and Ultrasonography. Dr. Acher has published most often in J Vasc Surg. Dr. Acher's most frequent co-authors are Charles W. Acher, MD, David Ballard, DDS and Samuel Eric Wilson, MD.

Papers30
Years published2008 to 2020

Dr. Acher's papers by year, 2008 to 2020

Topics Dr. Acher writes about most

  • Aortic Aneurysm, Abdominal
  • Aortic Aneurysm, Thoracic
  • Ultrasonography
  • Paraplegia
  • Postoperative Complications
  • Amputation, Surgical
  • Angiography
  • Blood Vessel Prosthesis Implantation

Dr. Acher's most frequent co-authors

Recent publications by Dr. Acher

See all 30 publications and co-authors

See who Dr. Acher researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Acher works with, so you can find a warm path to the right colorectal surgeons.

How network discovery works

Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage

Dr. Charles Wynn Acher received $4,276 in industry payments from 2017 to 2019

CMS Open Payments shows 5 general payments to Dr. Acher from 2 drug and device companies from 2017 to 2019. Education make up the largest share, 70% of the total. Intuitive Surgical, Inc. paid the most, $4,219.

General payments to Dr. Acher by program year, 2017 to 2019

General payments to Dr. Acher by kind, 2017 to 2019

$4.3Kin total
  • Education$3,00070%
  • Travel and lodging$1,21929%
  • Food and beverage$571%

Companies that paid Dr. Acher the most, 2017 to 2019

Share is of all general payments to this clinician.

See all payments to Dr. Acher

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Dr. Charles Wynn Acher has 5 awards and honors on record

Dmand AI lists 5 awards for Dr. Acher, most recently Graduating Class Teaching Award in Surgery in 2017.

Awards and honors for Dr. Acher

  1. 2017
    • Graduating Class Teaching Award in Surgery
  2. 2015
    • Fellow
    • Gold Humanism Honor Society Chapter of the Arnold P. Gold Foundation
    • Surgery Teaching Award
    • Surgery Trauma/Emergency Medicine Award

Source: Dmand AI Professional Profile Data

Dr. Charles Wynn Acher graduated from University of Wisconsin-Madison

Dr. Acher graduated from University of Wisconsin-Madison in 2012.

  1. Medical schoolUniversity of Wisconsin-Madison
  2. Board certified in colon & rectal surgeryAmerican Board of Colon and Rectal Surgery
  3. Board certified in surgeryAmerican Board of Surgery

Source: Dmand AI Professional Profile Data

Dr. Charles Wynn Acher accepts plans from 6 insurance carriers

Dr. Acher is in network with 6 carriers, including Elevance, HCSC and Humana. PPO plans come from the most carriers, 4. Check the plan with the practice before a visit.

  • Elevance
  • HCSC
  • Humana
  • Blue Cross Blue Shield of Michigan
  • CMS Medicare
  • WI State Medicaid

Plan types Dr. Acher accepts, by number of carriers

  1. PPO4
  2. Medicare3
  3. EPO1
  4. Medicaid1
  5. POS1

Source: Dmand AI Insurance Network Data

Sources for Dr. Charles Wynn Acher's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDmand AI Org Hierarchy Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare 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 percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab)
Publications, topics and co-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Awards and committee rolesDmand AI Professional Profile Data
Training, board certification and membershipsDmand AI Professional Profile Data
Insurance carriers and plan typesDmand AI Insurance Network Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Dr. Charles Wynn Acher

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. Charles Wynn Acher's NPI number?

Dr. Charles Wynn Acher's NPI number is 1033472519. It was assigned on June 20, 2012, and it is active in the NPI Registry.

What kind of doctor is Dr. Charles Wynn Acher?

Dr. Charles Wynn Acher is a colorectal surgeon in Missoula, Montana. The primary specialty in the NPI Registry is Colon & Rectal Surgery Physician (taxonomy code 208C00000X).

Where does Dr. Charles Wynn Acher practice?

Dr. Acher practices at 500 W Broadway, Missoula, MT 59802. Dr. Acher's primary practice is Providence St. Patrick Hospital in Missoula, Montana, part of Providence Health & Services. Dmand AI also links Dr. Acher to 1 medical group.

What is Dr. Charles Wynn Acher's office phone number?

The practice phone on file for Dr. Acher is (406) 543-7271.

What is Dr. Charles Wynn Acher's medical license number?

Dr. Acher holds Montana license MED-PHYS-LIC-69777, one of the licenses on file in 2 states.

Which states has Dr. Charles Wynn Acher been licensed in?

Dmand AI has state licenses on file for Dr. Acher in Montana (2018 to 2026) and Wisconsin (2014 to 2019).

Which hospitals is Dr. Charles Wynn Acher affiliated with?

Dr. Acher practices at Providence St. Patrick Hospital in Missoula, Montana. Dr. Acher is also affiliated with Bitterroot Health - Daly Hospital.

What medical group is Dr. Charles Wynn Acher part of?

Dr. Acher is linked to Providence St. Patrick Hospital. Dmand AI links Dr. Acher to 1 more medical group.

Does Dr. Charles Wynn Acher accept Medicare?

Yes. CMS data shows Dr. Acher billed Medicare for 299 services in 2024, and Dr. Acher accepts Medicare assignment.

Does Dr. Charles Wynn Acher offer telehealth?

Yes. The CMS Doctors and Clinicians file lists Dr. Acher as offering telehealth services.

Show 10 more questionsShow fewer questions

How many Medicare patients does Dr. Charles Wynn Acher see?

CMS counts 160 Medicare patients who saw Dr. Acher in 2024, with an average age of 71.

Is Dr. Charles Wynn Acher board certified?

Yes. Dr. Acher is board certified in colon & rectal surgery by the American Board of Colon and Rectal Surgery.

What services does Dr. Charles Wynn Acher bill to Medicare?

In 2024, Dr. Acher's most billed Medicare services were office visit, established patient (99214), surgery: digestive system (46600) and office visit, new patient (99205).

Where did Dr. Charles Wynn Acher go to medical school?

Dr. Acher graduated from University of Wisconsin-Madison in 2012.

What drugs does Dr. Charles Wynn Acher prescribe most?

In 2024 Medicare Part D data, Dr. Acher's most prescribed drugs by claims were Oxycodone HCl, Ibuprofen and Metronidazole.

Has Dr. Charles Wynn Acher received payments from drug or device companies?

CMS Open Payments shows $4,276 in general payments to Dr. Acher from 2 companies from 2017 to 2019. The largest total came from Intuitive Surgical, Inc.

How long has Dr. Charles Wynn Acher been practicing?

Dr. Acher graduated from medical school in 2012, 14 years ago.

Does Dr. Charles Wynn Acher do research?

Dmand AI links 30 publications to Dr. Acher, published from 2008 to 2020.

Who does Dr. Charles Wynn Acher publish with?

Dr. Acher's most frequent co-authors are Charles W. Acher, MD (7 shared papers), David Ballard, DDS (4 shared papers) and Samuel Eric Wilson, MD (4 shared papers).

What insurance does Dr. Charles Wynn Acher accept?

Dr. Acher is in network with 6 carriers, including Elevance, HCSC and Humana. PPO plans come from the most carriers, 4. Check the plan with the practice before a visit.

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