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Dr. James Thomas Ryan, DO
NPI1437271996PAC ID0042361404
- Medicare services, 2024
- 838
- Medicare patients, 2024
- 159
- Part D claims, 2024
- 6,126
- Publications
- 1
- Hospital affiliations
- 3
- Practice address
- One N Atkinson Drive, Ludington, MI 49431
- Practice phone
- Call (231) 843-2591
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Ryan'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. James Thomas Ryan is a family medicine physician in Ludington, Michigan
Dr. Ryan practices at Corewell Health Ludington Hospital in Ludington, Michigan, part of Corewell Health.
Dr. Ryan's NPI, 1437271996, was assigned on April 4, 2007. Dr. Ryan graduated from Michigan State University College of Osteopathic Medicine in 2006. Dr. Ryan holds Michigan license 5101016838.
NPI and contact details
- NPI
- 1437271996NPI Registry (opens in a new tab)
- Medicare PAC ID
- 0042361404
- NPI enumeration date
- April 4, 2007
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (231) 843-2591
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 46
- Medical school graduation
- 2006
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. James Thomas Ryan practices at 2 locations in Ludington, Michigan
Dr. Ryan's primary practice is Corewell Health Ludington Hospital, at One N Atkinson Drive, Ludington, MI 49431 in Mason County. The practice phone is (231) 843-2591. Dr. Ryan also practices at Spectrum Health Ludington Hospital, 1 Atkinson Dr, Ludington, MI 49431.
- Corewell Health Ludington HospitalPrimaryOne N Atkinson Drive, Ludington, MI 49431 · Mason CountyPhone(231) 843-2591
- Spectrum Health Ludington Hospital1 Atkinson Dr, Ludington, MI 49431 · Mason CountyPhone(231) 843-2591
Sources: NPPES NPI Registry (CMS); Dmand AI Affiliation Data; and Dmand AI Practice Data
Dr. James Thomas Ryan is affiliated with 5 sites of care
Dr. Ryan's primary practice is Corewell Health Ludington Hospital in Ludington, Michigan, part of Corewell Health. Dr. Ryan is also affiliated with Henry Ford Macomb Hospital. Dmand AI also links Dr. Ryan to 1 more hospital, 1 physician office and 1 home health agency, each named with a free account.
Henry Ford Macomb Hospital1 hospitalName with a free account1 physician officeName with a free account1 home health agencyName with a free account
See all 5 affiliations for Dr. RyanSources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. James Thomas Ryan's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Ryan practices, 5 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Corewell Health Ludington Hospital | Available with a free account |
| +4 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. James Thomas Ryan is one of 4,931 family medicine physicians in Michigan
Family medicine is Dr. Ryan's primary specialty in the NPI Registry, under taxonomy code 207Q00000X. Dr. Ryan is licensed in Michigan.
Specialties and state licenses
- Family medicine, MichiganPrimary
Family medicine physicians near Dr. Ryan
Counts of family medicine physicians with a Dmand AI profile, by place and practice. Each opens the list.
4,931family medicine physicians in Michigan17family medicine physicians in Ludington12family medicine physicians at Corewell Health Ludington Hospital
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. James Thomas Ryan billed Medicare for 838 services in 2024
CMS data shows 838 Medicare services from Dr. Ryan across 11 procedure codes in 2024, for 159 Medicare patients. Medicare paid $48,481 for them. Every service was in an office.
Medicare services, 2024838
Medicare patients159
Paid by Medicare$48,481
Procedure codes11
Dr. Ryan's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 4562024: 4472%
- Other services
- 2023: 3092024: 24222%
- Lab and pathology
- 2023: 1342024: 1351%
- Tests and treatments
- 2023: 282024: 1450%
Dr. Ryan compared with the Michigan median for family medicine physicians, 2024
- Dr. Ryan
- Michigan median
- Medicare services
- 838vs 2483.4 times
- Medicare patients
- 159vs 11242% above
- Part D claims
- 5,385vs 1,0335.2 times
Medians across 4,990 family medicine physicians in Michigan with Dmand AI profiles that report each measure.
Dr. Ryan'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. Ryan and other family medicine physicians in Michigan.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. James Thomas Ryan treated 159 Medicare patients in 2024, average age 75
CMS counts 159 Medicare patients who saw Dr. Ryan in 2024. The largest group is 65 to 74, with 68 patients. 64% of them have high blood pressure, and 39% have high cholesterol. 8% are also on Medicaid. Their average risk score is 0.92, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Ryan's median patient age at 62, with 46% women.
Medicare patients, 2024159
Average age75
Average risk score0.92
Also on Medicaid8%
Dr. Ryan's Medicare patients by age, 2024
Dr. Ryan's Medicare patients by sex, 2024
- Women6843%
- Men9157%
Chronic conditions among Dr. Ryan's Medicare patients, 2024
- High blood pressure64%
- High cholesterol39%
- Arthritis33%
- Diabetes23%
- Anxiety21%
- Ischemic heart disease21%
- Cancer18%
- Atrial fibrillation15%
Share of Medicare patients with each condition. A patient can have several.
Dr. Ryan'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
- Women46%
- Men54%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. James Thomas Ryan wrote 6,126 Medicare Part D claims in 2024
In 2024, Dr. Ryan wrote 6,126 Medicare Part D claims for 442 patients. 88% of them were for generic drugs. CMS names the drug for 5,385 of them, across 98 drugs with 11 or more claims each, at $339,680 in total drug cost. In 2023, CMS named 5,160 claims across 93 drugs.
Part D claims, 20246,126
Drugs named by CMS98
Total drug cost$339,680
Part D patients442
Dr. Ryan's Part D claims by kind of drug, 2024
- Generic5,414 claims88%
- Brand-name672 claims11%
- Other40 claims1%
Dr. Ryan'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. Ryan's Part D claims, 2024
- Opioids2%132 of 6,126 claims
- Antibiotics2%139 of 6,126 claims
- Antipsychotics, patients 65 and over0%30 of 6,126 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: 5,1602024: 5,3854%
Drugs named by CMS: 98 in 2024, 93 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
How Dr. James Thomas Ryan takes part in Medicare
Dr. Ryan 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. James Thomas Ryan has 1 publication on record
Dmand AI links 1 paper to Dr. Ryan in 2024. Dr. Ryan's most frequent co-author is Matthew Paul Fiesta, MD.
Papers1
Dr. Ryan's most frequent co-authors
Recent publications by Dr. Ryan
See who Dr. Ryan researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Ryan works with, so you can find a warm path to the right family medicine physicians.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. James Thomas Ryan graduated from Michigan State University College of Osteopathic Medicine
Dr. Ryan graduated from Michigan State University College of Osteopathic Medicine in 2006.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. James Thomas Ryan'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 Affiliation DataDmand AI Practice 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) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| 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. James Thomas Ryan
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. James Thomas Ryan's NPI number?
Dr. James Thomas Ryan's NPI number is 1437271996. It was assigned on April 4, 2007, and it is active in the NPI Registry.
What kind of doctor is Dr. James Thomas Ryan?
Dr. James Thomas Ryan is a family medicine physician in Ludington, Michigan. The primary specialty in the NPI Registry is Family Medicine Physician (taxonomy code 207Q00000X).
Where does Dr. James Thomas Ryan practice?
Dr. Ryan practices at One N Atkinson Drive, Ludington, MI 49431. Dr. Ryan also practices at 1 Atkinson Dr, Ludington, MI 49431. Dr. Ryan's primary practice is Corewell Health Ludington Hospital in Ludington, Michigan, part of Corewell Health. Dmand AI also links Dr. Ryan to 1 hospital, 1 physician office and 1 home health agency.
What is Dr. James Thomas Ryan's office phone number?
The practice phone on file for Dr. Ryan is (231) 843-2591.
What is Dr. James Thomas Ryan's medical license number?
Dr. Ryan holds Michigan license 5101016838.
Which hospitals is Dr. James Thomas Ryan affiliated with?
Dr. Ryan practices at Corewell Health Ludington Hospital in Ludington, Michigan. Dr. Ryan is also affiliated with Henry Ford Macomb Hospital. Dmand AI links Dr. Ryan to 1 more hospital.
Does Dr. James Thomas Ryan accept Medicare?
Yes. CMS data shows Dr. Ryan billed Medicare for 838 services in 2024, and Dr. Ryan accepts Medicare assignment.
How many Medicare patients does Dr. James Thomas Ryan see?
CMS counts 159 Medicare patients who saw Dr. Ryan in 2024, with an average age of 75.
What services does Dr. James Thomas Ryan bill to Medicare?
In 2024, Dr. Ryan's most billed Medicare services were office visit, established patient (99214), care management and other visits (99497) and medicare service (G0444).
Where did Dr. James Thomas Ryan go to medical school?
Dr. Ryan graduated from Michigan State University College of Osteopathic Medicine in 2006.
Show 4 more questionsShow fewer questions
What drugs does Dr. James Thomas Ryan prescribe most?
In 2024 Medicare Part D data, Dr. Ryan's most prescribed drugs by claims were Lisinopril, Atorvastatin Calcium and Amlodipine Besylate.
How long has Dr. James Thomas Ryan been practicing?
Dr. Ryan graduated from medical school in 2006, 20 years ago.
Does Dr. James Thomas Ryan do research?
Dmand AI links 1 publication to Dr. Ryan.
Who does Dr. James Thomas Ryan publish with?
Dr. Ryan's most frequent co-authors are Matthew Paul Fiesta, MD (1 shared paper).
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