Dr. Deron J. Ludwig, MD
- Medicare services, 2024
- 257
- Medicare patients, 2024
- 126
- Part D claims, 2024
- 271
- Hospital affiliations
- 2
- Industry payments
- $15,048
- Practice address
- 500 W Broadway, Missoula, MT 59802
- Practice phone
- Call (406) 543-7271
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Ludwig'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. Deron J. Ludwig is a general surgeon in Missoula, Montana
Dr. Ludwig practices at Providence St. Patrick Hospital in Missoula, Montana, part of Providence Health & Services.
Dr. Ludwig's NPI, 1245310200, was assigned on October 16, 2006. Dr. Ludwig graduated from Loma Linda University School of Medicine in 1994. Dr. Ludwig holds Montana license MED-PHYS-LIC-124231.
- NPI
- 1245310200NPI Registry (opens in a new tab)
- Medicare PAC ID
- 1052212875
- NPI enumeration date
- October 16, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (406) 543-7271
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 58
- Medical school graduation
- 1994
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Deron J. Ludwig practices at Providence St. Patrick Hospital in Missoula, Montana
Dr. Ludwig'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.
- Providence St. Patrick Hospital500 W Broadway, Missoula, MT 59802 · Missoula CountyPhone(406) 543-7271
Source: Dmand AI Affiliation Data
Dr. Deron J. Ludwig is affiliated with 3 sites of care and 2 medical groups
Dr. Ludwig's primary practice is Providence St. Patrick Hospital in Missoula, Montana, part of Providence Health & Services. Dr. Ludwig is also affiliated with Providence St. Joseph Medical Center. The medical group on file is Providence St. Patrick Hospital. Dmand AI also links Dr. Ludwig to 1 more group practice or clinic and 1 medical group, 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. Deron J. Ludwig's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Ludwig practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Providence St. Patrick Hospital | Available with a free account |
| +2 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Deron J. Ludwig is one of 111 general surgeons in Montana
Surgery is Dr. Ludwig's primary specialty in the NPI Registry, under taxonomy code 208600000X. Dmand AI has Dr. Ludwig's licenses on file in 2 states: Montana and California.
Specialties and state licenses
- Surgery, MontanaPrimary
- California license
General surgeons near Dr. Ludwig
Counts of general surgeons 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. Deron J. Ludwig billed Medicare for 257 services in 2024
CMS data shows 257 Medicare services from Dr. Ludwig across 9 procedure codes in 2024, for 126 Medicare patients. Medicare paid $57,256 for them.
Dr. Ludwig's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 1312024: 18844%
- Surgery
- 2023: 422024: 6964%
Where Dr. Ludwig's Medicare services took place, 2024
- In an office18873%
- In a facility6927%
Dr. Ludwig compared with the Montana median for general surgeons, 2024
- Dr. Ludwig
- Montana median
- Medicare services
- 257vs 13590% above
- Medicare patients
- 126vs 123Close to median
- Part D claims
- 200vs 424.8 times
Medians across 121 general surgeons in Montana with Dmand AI profiles that report each measure.
Dr. Ludwig'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. Ludwig and other general surgeons in Montana.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Deron J. Ludwig treated 126 Medicare patients in 2024, average age 70
CMS counts 126 Medicare patients who saw Dr. Ludwig in 2024. The largest group is 65 to 74, with 72 patients. 68% of them have high cholesterol, and 67% have high blood pressure. 14% are also on Medicaid. Their average risk score is 0.95, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Ludwig's median patient age at 62, with 66% women.
Dr. Ludwig's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Ludwig's Medicare patients by sex, 2024
- Women8063%
- Men4637%
Chronic conditions among Dr. Ludwig's Medicare patients, 2024
- High cholesterol68%
- High blood pressure67%
- Arthritis56%
- Mood disorders41%
- Depression38%
- Anxiety33%
- Diabetes29%
- Chronic kidney disease19%
Share of Medicare patients with each condition. A patient can have several.
Dr. Ludwig's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 62
Patient panel by sex, all payers
- Women66%
- Men34%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Deron J. Ludwig wrote 271 Medicare Part D claims in 2024
In 2024, Dr. Ludwig wrote 271 Medicare Part D claims for 79 patients. 95% of them were for generic drugs. CMS names the drug for 200 of them, across 5 drugs with 11 or more claims each, at $722 in total drug cost. In 2023, CMS named 60 claims across 2 drugs.
Dr. Ludwig's Part D claims by kind of drug, 2024
- Generic258 claims95%
- Brand-name13 claims5%
Dr. Ludwig'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. Ludwig's Part D claims, 2024
- Opioids20%53 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: 602024: 200233%
Drugs named by CMS: 5 in 2024, 2 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. Deron J. Ludwig ranks in the 77th percentile for hernia repair (minimally invasive) in Medicare
Dr. Ludwig accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 13 procedures of hernia repair (minimally invasive) by Dr. Ludwig, more than 77% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Where Dr. Ludwig ranks in Medicare procedure volume
- Upper gastrointestinal (GI) endoscopy for acid reflux
- 74th percentile87 procedures
- Hernia repair (minimally invasive)
- 77th percentile13 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Hernia repair - groin (open): 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. Deron J. Ludwig received $15,048 in industry payments from 2016 to 2025
CMS Open Payments shows 70 general payments to Dr. Ludwig from 9 drug and device companies from 2016 to 2025. Education make up the largest share, 56% of the total. Intuitive Surgical, Inc. paid the most, $14,466.
General payments to Dr. Ludwig by program year, 2016 to 2025
General payments to Dr. Ludwig by kind, 2016 to 2025
- Education$8,50056%
- Travel and lodging$4,85632%
- Food and beverage$1,69211%
Companies that paid Dr. Ludwig 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. Deron J. Ludwig graduated from Loma Linda University School of Medicine
Dr. Ludwig graduated from Loma Linda University School of Medicine in 1994.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Deron J. Ludwig'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) |
| 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. Deron J. Ludwig
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. Deron J. Ludwig's NPI number?
Dr. Deron J. Ludwig's NPI number is 1245310200. It was assigned on October 16, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Deron J. Ludwig?
Dr. Deron J. Ludwig is a general surgeon in Missoula, Montana. The primary specialty in the NPI Registry is Surgery Physician (taxonomy code 208600000X).
Where does Dr. Deron J. Ludwig practice?
Dr. Ludwig practices at 500 W Broadway, Missoula, MT 59802. Dr. Ludwig's primary practice is Providence St. Patrick Hospital in Missoula, Montana, part of Providence Health & Services. Dmand AI also links Dr. Ludwig to 1 group practice or clinic and 1 medical group.
What is Dr. Deron J. Ludwig's office phone number?
The practice phone on file for Dr. Ludwig is (406) 543-7271.
What is Dr. Deron J. Ludwig's medical license number?
Dr. Ludwig holds Montana license MED-PHYS-LIC-124231, one of the licenses on file in 2 states.
Which states has Dr. Deron J. Ludwig been licensed in?
Dmand AI has state licenses on file for Dr. Ludwig in Montana and California.
Which hospitals is Dr. Deron J. Ludwig affiliated with?
Dr. Ludwig practices at Providence St. Patrick Hospital in Missoula, Montana. Dr. Ludwig is also affiliated with Providence St. Joseph Medical Center.
What medical group is Dr. Deron J. Ludwig part of?
Dr. Ludwig is linked to Providence St. Patrick Hospital. Dmand AI links Dr. Ludwig to 1 more medical group.
Does Dr. Deron J. Ludwig accept Medicare?
Yes. CMS data shows Dr. Ludwig billed Medicare for 257 services in 2024, and Dr. Ludwig accepts Medicare assignment.
How many Medicare patients does Dr. Deron J. Ludwig see?
CMS counts 126 Medicare patients who saw Dr. Ludwig in 2024, with an average age of 70.
Show 5 more questionsShow fewer questions
What services does Dr. Deron J. Ludwig bill to Medicare?
In 2024, Dr. Ludwig's most billed Medicare services were office visit, new patient (99204), office visit, established patient (99214) and office visit, established patient (99213).
Where did Dr. Deron J. Ludwig go to medical school?
Dr. Ludwig graduated from Loma Linda University School of Medicine in 1994.
What drugs does Dr. Deron J. Ludwig prescribe most?
In 2024 Medicare Part D data, Dr. Ludwig's most prescribed drugs by claims were Omeprazole, Oxycodone HCl and Ondansetron ODT.
Has Dr. Deron J. Ludwig received payments from drug or device companies?
CMS Open Payments shows $15,048 in general payments to Dr. Ludwig from 9 companies from 2016 to 2025. The largest total came from Intuitive Surgical, Inc.
How long has Dr. Deron J. Ludwig been practicing?
Dr. Ludwig graduated from medical school in 1994, 32 years ago.
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