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Dr. Ryan Patrick Offman, DO
NPI1447410006
- Medicare services, 2024
- 209
- Medicare patients, 2024
- 199
- Part D claims, 2024
- 86
- Publications
- 12
- Hospital affiliations
- 1
- Practice address
- 1500 E Sherman Blvd, Muskegon, MI 49444
- Practice phone
- Call (616) 643-3500
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Mercy Health Mercy Campus
Muskegon, Michigan
Find Dr. Offman's professional email, personal email and mobile number
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Dr. Ryan Patrick Offman is an emergency medicine physician in Muskegon, Michigan
Dr. Offman practices at Mercy Health Mercy Campus in Muskegon, Michigan.
Dr. Offman's NPI, 1447410006, was assigned on June 16, 2008. Dr. Offman holds Michigan license 5101016604.
NPI and contact details
- NPI
- 1447410006NPI Registry (opens in a new tab)
- NPI enumeration date
- June 16, 2008
- NPI status
- Active
- Practice phone
- (616) 643-3500
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 47
- Medical school graduation
- 2005
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Practice Data
Dr. Ryan Patrick Offman practices at Mercy Health Mercy Campus in Muskegon, Michigan
Dr. Offman's primary practice is Mercy Health Mercy Campus, at 1500 E Sherman Blvd, Muskegon, MI 49444 in Muskegon County. The practice phone is (616) 643-3500.
- Mercy Health Mercy Campus1500 E Sherman Blvd, Muskegon, MI 49444 · Muskegon CountyPhone(616) 643-3500
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Ryan Patrick Offman is affiliated with 2 sites of care and 3 medical groups
Dr. Offman's primary practice is Mercy Health Mercy Campus in Muskegon, Michigan. Dr. Offman is also affiliated with Trinity Health Muskegon Hospital. The medical group on file is Lake Michigan Emergency Specialists. Dmand AI also links Dr. Offman to 2 more medical groups, each named with a free account.
Mercy Health Mercy CampusPrimary
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Ryan Patrick Offman's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Offman practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Mercy Health Mercy Campus | Available with a free account |
| +1 more site and 2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Ryan Patrick Offman is one of 2,045 emergency medicine physicians in Michigan
Emergency medicine is Dr. Offman's primary specialty in the NPI Registry, under taxonomy code 207P00000X. Dr. Offman is licensed in Michigan.
Specialties and state licenses
- Emergency medicine, MichiganPrimary
Emergency medicine physicians near Dr. Offman
Counts of emergency 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. Ryan Patrick Offman billed Medicare for 209 services in 2024
CMS data shows 209 Medicare services from Dr. Offman across 3 procedure codes in 2024, for 199 Medicare patients. Medicare paid $24,731 for them. Every service was in a facility, such as a hospital, rather than an office.
Medicare services, 2024209
Medicare patients199
Paid by Medicare$24,731
Procedure codes3
Dr. Offman's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 2132024: 2092%
Dr. Offman compared with the Michigan median for emergency medicine physicians, 2024
- Dr. Offman
- Michigan median
- Medicare services
- 209vs 23411% below
- Medicare patients
- 199vs 2147% below
- Part D claims
- 27vs 4641% below
Medians across 1,937 emergency medicine physicians in Michigan with Dmand AI profiles that report each measure.
Dr. Offman'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. Offman and other emergency medicine physicians in Michigan.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Ryan Patrick Offman treated 199 Medicare patients in 2024, average age 73
CMS counts 199 Medicare patients who saw Dr. Offman in 2024. The largest group is under 65, with 56 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 42% are also on Medicaid. Their average risk score is 2.75, 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. Offman's median patient age at 59, with 52% women.
Medicare patients, 2024199
Average age73
Average risk score2.75
Also on Medicaid42%
Dr. Offman's Medicare patients by age, 2024
Dr. Offman's Medicare patients by sex, 2024
- Women10151%
- Men9849%
Chronic conditions among Dr. Offman's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis55%
- Mood disorders52%
- Chronic kidney disease50%
- Heart failure47%
- Anxiety44%
- Depression44%
Share of Medicare patients with each condition. A patient can have several.
Dr. Offman's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 59
Patient panel by sex, all payers
- Women52%
- Men47%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Ryan Patrick Offman wrote 86 Medicare Part D claims in 2024
In 2024, Dr. Offman wrote 86 Medicare Part D claims for 67 patients. 97% of them were for generic drugs. CMS names the drug for 27 of them, across 2 drugs with 11 or more claims each, at $110 in total drug cost. In 2023, CMS named 22 claims across 1 drug.
Part D claims, 202486
Drugs named by CMS2
Total drug cost$110
Part D patients67
Dr. Offman's Part D claims by kind of drug, 2024
- Generic83 claims97%
- Brand-name and other3 claims3%
Dr. Offman'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. Offman's Part D claims, 2024
- Opioids14%12 of 86 claims
- Antibiotics33%28 of 86 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: 222024: 2723%
Drugs named by CMS: 2 in 2024, 1 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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Dr. Ryan Patrick Offman has 12 publications on record
Dmand AI links 12 papers to Dr. Offman, published from 2017 to 2024. The most frequent topics are Diagnosis, Differential, Emergency Service, Hospital and Glucose. Dr. Offman has published most often in Clin Pract Cases Emerg Med. Dr. Offman's most frequent co-authors are Nicholas M. McManus, DO, Nicholas Steven Adams, MD and Trevor C. Armstrong, DO.
Papers12
Years published2017 to 2024
Dr. Offman's papers by year, 2017 to 2024
Topics Dr. Offman writes about most
- Diagnosis, Differential
- Emergency Service, Hospital
- Glucose
- Tomography, X-Ray Computed
Dr. Offman's most frequent co-authors
- Nicholas M. McManus, DO5 shared papers
- Nicholas Steven Adams, MD1 shared paper
- Trevor C. Armstrong, DO1 shared paper
Recent publications by Dr. Offman
Gastric BypassGlucoseHypoglycemia
West J Emerg Med
Anti-Bacterial AgentsAnticoagulantsAnti-Inflammatory Agents, Non-Steroidal
Carotid-Cavernous Sinus FistulaCerebral AngiographyDiagnosis, Differential
See who Dr. Offman researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Offman works with, so you can find a warm path to the right emergency medicine physicians.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Ryan Patrick Offman received $121 in industry payments from 2021 to 2024
CMS Open Payments shows 7 general payments to Dr. Offman from 2 drug and device companies from 2021 to 2024. Food and beverage make up the largest share, 100% of the total. Janssen Pharmaceuticals, Inc paid the most, $99.
General payments to Dr. Offman by program year, 2021 to 2024
Companies that paid Dr. Offman the most, 2021 to 2024
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Ryan Patrick Offman'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 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) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| 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. Ryan Patrick Offman
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. Ryan Patrick Offman's NPI number?
Dr. Ryan Patrick Offman's NPI number is 1447410006. It was assigned on June 16, 2008, and it is active in the NPI Registry.
What kind of doctor is Dr. Ryan Patrick Offman?
Dr. Ryan Patrick Offman is an emergency medicine physician in Muskegon, Michigan. The primary specialty in the NPI Registry is Emergency Medicine Physician (taxonomy code 207P00000X).
Where does Dr. Ryan Patrick Offman practice?
Dr. Offman practices at 1500 E Sherman Blvd, Muskegon, MI 49444. Dr. Offman's primary practice is Mercy Health Mercy Campus in Muskegon, Michigan. Dmand AI also links Dr. Offman to 2 medical groups.
What is Dr. Ryan Patrick Offman's office phone number?
The practice phone on file for Dr. Offman is (616) 643-3500.
What is Dr. Ryan Patrick Offman's medical license number?
Dr. Offman holds Michigan license 5101016604.
Which hospitals is Dr. Ryan Patrick Offman affiliated with?
Dr. Offman is affiliated with Trinity Health Muskegon Hospital.
What medical group is Dr. Ryan Patrick Offman part of?
Dr. Offman is linked to Lake Michigan Emergency Specialists. Dmand AI links Dr. Offman to 2 more medical groups.
Does Dr. Ryan Patrick Offman accept Medicare?
Yes. CMS data shows Dr. Offman billed Medicare for 209 services in 2024.
How many Medicare patients does Dr. Ryan Patrick Offman see?
CMS counts 199 Medicare patients who saw Dr. Offman in 2024, with an average age of 73.
What services does Dr. Ryan Patrick Offman bill to Medicare?
In 2024, Dr. Offman's most billed Medicare services were emergency department visit (99285), emergency department visit (99284) and critical care (99291).
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What drugs does Dr. Ryan Patrick Offman prescribe most?
In 2024 Medicare Part D data, Dr. Offman's most prescribed drugs by claims were Cephalexin and Hydrocodone-Acetaminophen.
Has Dr. Ryan Patrick Offman received payments from drug or device companies?
CMS Open Payments shows $121 in general payments to Dr. Offman from 2 companies from 2021 to 2024. The largest total came from Janssen Pharmaceuticals, Inc.
How long has Dr. Ryan Patrick Offman been practicing?
Dr. Offman graduated from medical school in 2005, 21 years ago.
Does Dr. Ryan Patrick Offman do research?
Dmand AI links 12 publications to Dr. Offman, published from 2017 to 2024.
Who does Dr. Ryan Patrick Offman publish with?
Dr. Offman's most frequent co-authors are Nicholas M. McManus, DO (5 shared papers), Nicholas Steven Adams, MD (1 shared paper) and Trevor C. Armstrong, DO (1 shared paper).
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