Dr. John Ludlow, MD
- Medicare services, 2024
- 124
- Medicare patients, 2026
- 103
- Part D claims, 2026
- 333
- Hospital affiliations
- 4
- Industry payments
- $5,891
- Practice address
- 516 Main N St, Watford City, ND 58854
- Practice phone
- Call (701) 843-3771
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
McKenzie County Healthcare System
Watford City, North Dakota
Find Dr. Ludlow'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. John Ludlow is a urologist in Watford City, North Dakota
Dr. Ludlow practices at McKenzie County Healthcare System in Watford City, North Dakota.
Dr. Ludlow's NPI, 1710927728, was assigned on June 7, 2006. Dr. Ludlow holds Michigan license 4301072083.
- NPI
- 1710927728NPI Registry (opens in a new tab)
- Medicare PAC ID
- 4880608330
- NPI enumeration date
- June 7, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (701) 843-3771
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 62
- Medical school graduation
- 1990
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. John Ludlow practices at McKenzie County Healthcare System in Watford City, North Dakota
Dr. Ludlow's primary practice is McKenzie County Healthcare System, at 516 Main N St, Watford City, ND 58854 in Mckenzie County. The practice phone is (701) 843-3771.
- McKenzie County Healthcare System516 Main N St, Watford City, ND 58854 · Mckenzie CountyPhone(701) 843-3771
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. John Ludlow is affiliated with 8 sites of care and 4 medical groups
Dr. Ludlow's primary practice is McKenzie County Healthcare System in Watford City, North Dakota. Dr. Ludlow is also affiliated with McKenzie Health Hospital. The medical group on file is McKenzie Health. Dmand AI also links Dr. Ludlow to 3 more hospitals, 3 group practices and clinics and 3 medical groups, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. John Ludlow's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Ludlow practices, 7 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| McKenzie County Healthcare System | Available with a free account |
| +7 more sites and 3 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. John Ludlow is one of 38 urologists in North Dakota
Urology is Dr. Ludlow's primary specialty in the NPI Registry, under taxonomy code 208800000X. Dmand AI has Dr. Ludlow's licenses on file in 2 states: Michigan and Minnesota.
Specialties and state licenses
- Urology, MichiganPrimary
- Minnesota license
Urologists near Dr. Ludlow
Counts of urologists 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. John Ludlow billed Medicare for 124 services in 2024
CMS data shows 124 Medicare services from Dr. Ludlow across 4 procedure codes in 2024, for 103 Medicare patients. Medicare paid $7,941 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Ludlow's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 452024: 99120%
- Surgery
- 2023: 142024: 2579%
Dr. Ludlow compared with the North Dakota median for urologists, 2024
- Dr. Ludlow
- North Dakota median
- Medicare services
- 124vs 32362% below
- Medicare patients
- 103vs 24157% below
- Part D claims
- 258vs 2746% below
Medians across 38 urologists in North Dakota with Dmand AI profiles that report each measure.
Dr. Ludlow'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.
Need commercial claims for Dr. Ludlow?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Ludlow and other urologists in North Dakota.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. John Ludlow treated 103 Medicare patients in 2026, average age 74
CMS counts 103 Medicare patients who saw Dr. Ludlow in 2026. The largest group is 75 to 84, with 42 patients. 71% of them have high cholesterol, and 66% have high blood pressure. 14% are also on Medicaid. Their average risk score is 1.22, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Ludlow's median patient age at 74, with 24% women.
Dr. Ludlow's Medicare patients by age, 2026
CMS leaves out age groups with fewer than 11 patients.
Dr. Ludlow's Medicare patients by sex, 2026
- Women3029%
- Men7371%
Chronic conditions among Dr. Ludlow's Medicare patients, 2026
- High cholesterol71%
- High blood pressure66%
- Arthritis50%
- Diabetes32%
- Anxiety31%
- Depression30%
- Mood disorders30%
- Chronic kidney disease26%
Share of Medicare patients with each condition. A patient can have several.
Dr. Ludlow's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 74
Patient panel by sex, all payers
- Women24%
- Men76%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2026 data
Dr. John Ludlow wrote 333 Medicare Part D claims in 2026
In 2026, Dr. Ludlow wrote 333 Medicare Part D claims for 152 patients. 98% of them were for generic drugs. CMS names the drug for 258 of them, across 5 drugs with 11 or more claims each, at $4,924 in total drug cost. In 2023, CMS named 236 claims across 5 drugs.
Dr. Ludlow's Part D claims by kind of drug, 2026
- Generic327 claims98%
- Brand-name and other6 claims2%
Dr. Ludlow'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. Ludlow's Part D claims, 2026
- Antibiotics16%53 of 333 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: 2362024: 2589%
Drugs named by CMS: 5 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), 2026 data
How Dr. John Ludlow takes part in Medicare
Dr. Ludlow accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. John Ludlow received $5,891 in industry payments from 2016 to 2025
CMS Open Payments shows 73 general payments to Dr. Ludlow from 16 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 36% of the total. Coloplast Corp paid the most, $2,659.
General payments to Dr. Ludlow by program year, 2016 to 2025
General payments to Dr. Ludlow by kind, 2016 to 2025
- Food and beverage$2,09536%
- Education$2,07935%
- Travel and lodging$1,46725%
- Honoraria$2504%
Companies that paid Dr. Ludlow the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. John Ludlow'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 | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand 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) |
| 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. John Ludlow
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. John Ludlow's NPI number?
Dr. John Ludlow's NPI number is 1710927728. It was assigned on June 7, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. John Ludlow?
Dr. John Ludlow is a urologist in Watford City, North Dakota. The primary specialty in the NPI Registry is Urology Physician (taxonomy code 208800000X).
Where does Dr. John Ludlow practice?
Dr. Ludlow practices at 516 Main N St, Watford City, ND 58854. Dr. Ludlow's primary practice is McKenzie County Healthcare System in Watford City, North Dakota. Dmand AI also links Dr. Ludlow to 3 hospitals, 3 group practices and clinics and 3 medical groups, and a free account names each one.
What is Dr. John Ludlow's office phone number?
The practice phone on file for Dr. Ludlow is (701) 843-3771. Dmand AI also checks direct phone and mobile numbers, available with a free account.
What is Dr. John Ludlow's email address?
Dmand AI checks professional and personal email addresses for Dr. Ludlow through healthcare-specific waterfall enrichment. They are available with a free Dmand AI account.
What is Dr. John Ludlow's medical license number?
Dr. Ludlow holds Michigan license 4301072083, one of the licenses on file in 2 states.
Which states has Dr. John Ludlow been licensed in?
Dmand AI has state licenses on file for Dr. Ludlow in Michigan and Minnesota.
Which hospitals is Dr. John Ludlow affiliated with?
Dr. Ludlow is affiliated with McKenzie Health Hospital. Dmand AI links Dr. Ludlow to 3 more hospitals, named with a free account.
What medical group is Dr. John Ludlow part of?
Dr. Ludlow is linked to McKenzie Health. Dmand AI links Dr. Ludlow to 3 more medical groups, named with a free account.
Who does Dr. John Ludlow practice with?
Dmand AI links 57 HCPs to Dr. Ludlow's primary medical group, 2 of them urologists. A free account lists them, with verified contacts.
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Does Dr. John Ludlow accept Medicare?
Yes. CMS data shows Dr. Ludlow billed Medicare for 124 services in 2024, and Dr. Ludlow accepts Medicare assignment.
How many Medicare patients does Dr. John Ludlow see?
CMS counts 103 Medicare patients who saw Dr. Ludlow in 2026, with an average age of 74.
What services does Dr. John Ludlow bill to Medicare?
In 2024, Dr. Ludlow's most billed Medicare services were office visit, new patient (99204), office visit, established patient (99214) and surgery: urinary system (52000).
What drugs does Dr. John Ludlow prescribe most?
In 2024 Medicare Part D data, Dr. Ludlow's most prescribed drugs by claims were Tamsulosin HCl, Finasteride and Sulfamethoxazole-Trimethoprim.
Has Dr. John Ludlow received payments from drug or device companies?
CMS Open Payments shows $5,891 in general payments to Dr. Ludlow from 16 companies from 2016 to 2025. The largest total came from Coloplast Corp.
How long has Dr. John Ludlow been practicing?
Dr. Ludlow graduated from medical school in 1990, 36 years ago.
What EHR does Dr. John Ludlow's practice use?
Dmand AI tracks the EHR system at McKenzie County Healthcare System and at 7 more sites and 3 medical groups. The vendor and product are available with a free Dmand AI account.
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