Dr. Ryan Paul Terlouw, MD
- Medicare services, 2024
- 304
- Medicare patients, 2024
- 203
- Part D claims, 2024
- 413
- Hospital affiliations
- 1
- Industry payments
- $2,014
- Practice address
- 1316 Mercy Dr, Muskegon, MI 49444
- Practice phone
- Call (231) 739-9461
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Muskegon Surgical Associates
Muskegon, Michigan
Find Dr. Terlouw's professional email, personal email and mobile number
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Dr. Ryan Paul Terlouw is a plastic surgeon in Muskegon, Michigan
Dr. Terlouw practices at Muskegon Surgical Associates in Muskegon, Michigan.
Dr. Terlouw's NPI, 1376833509, was assigned on April 8, 2011. Dr. Terlouw graduated from University of Iowa, RJ & L Carver College of Medicine in 2011. Dr. Terlouw holds Michigan license 4301112907.
- NPI
- 1376833509NPI Registry (opens in a new tab)
- Medicare PAC ID
- 9032478656
- NPI enumeration date
- April 8, 2011
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (231) 739-9461
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 41
- Medical school graduation
- 2011
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Ryan Paul Terlouw practices at Muskegon Surgical Associates in Muskegon, Michigan
Dr. Terlouw's primary practice is Muskegon Surgical Associates, at 1316 Mercy Dr, Muskegon, MI 49444 in Muskegon County. The practice phone is (231) 739-9461.
- Muskegon Surgical Associates1316 Mercy Dr, Muskegon, MI 49444 · Muskegon CountyPhone(231) 739-9461
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Ryan Paul Terlouw is affiliated with 2 sites of care and 1 medical group
Dr. Terlouw's primary practice is Muskegon Surgical Associates in Muskegon, Michigan. Dr. Terlouw is also affiliated with Trinity Health Muskegon Hospital. The medical group on file is Muskegon Surgical Associates.
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 Paul Terlouw's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Terlouw practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Muskegon Surgical Associates | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Ryan Paul Terlouw is one of 156 plastic surgeons in Michigan
Plastic surgery is Dr. Terlouw's primary specialty in the NPI Registry, under taxonomy code 208200000X. Dr. Terlouw is licensed in Michigan.
Specialties and state licenses
- Plastic surgery, MichiganPrimary
Plastic surgeons near Dr. Terlouw
Counts of plastic 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. Ryan Paul Terlouw billed Medicare for 304 services in 2024
CMS data shows 304 Medicare services from Dr. Terlouw across 11 procedure codes in 2024, for 203 Medicare patients. Medicare paid $19,717 for them.
Dr. Terlouw's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 2472024: 20816%
- Surgery
- 2023: 862024: 9612%
Where Dr. Terlouw's Medicare services took place, 2024
- In an office24480%
- In a facility6020%
Dr. Terlouw compared with the Michigan median for plastic surgeons, 2024
- Dr. Terlouw
- Michigan median
- Medicare services
- 304vs 388.0 times
- Medicare patients
- 203vs 415.0 times
- Part D claims
- 324vs 3110.5 times
Medians across 137 plastic surgeons in Michigan with Dmand AI profiles that report each measure.
Dr. Terlouw'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. Terlouw and other plastic surgeons in Michigan.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Ryan Paul Terlouw treated 203 Medicare patients in 2024, average age 73
CMS counts 203 Medicare patients who saw Dr. Terlouw in 2024. The largest group is 65 to 74, with 65 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 23% are also on Medicaid. Their average risk score is 1.99, 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. Terlouw's median patient age at 63, with 58% women.
Dr. Terlouw's Medicare patients by age, 2024
Dr. Terlouw's Medicare patients by sex, 2024
- Women11155%
- Men9245%
Chronic conditions among Dr. Terlouw's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis52%
- Diabetes38%
- Mood disorders36%
- Anxiety34%
- Chronic kidney disease33%
- Heart failure33%
Share of Medicare patients with each condition. A patient can have several.
Dr. Terlouw's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 63
Patient panel by sex, all payers
- Women58%
- Men42%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Ryan Paul Terlouw wrote 413 Medicare Part D claims in 2024
In 2024, Dr. Terlouw wrote 413 Medicare Part D claims for 229 patients. 91% of them were for generic drugs. CMS names the drug for 324 of them, across 9 drugs with 11 or more claims each, at $3,134 in total drug cost. In 2023, CMS named 263 claims across 6 drugs.
Dr. Terlouw's Part D claims by kind of drug, 2024
- Generic376 claims91%
- Brand-name37 claims9%
Dr. Terlouw'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. Terlouw's Part D claims, 2024
- Opioids37%154 of 413 claims
- Antibiotics24%100 of 413 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: 2632024: 32423%
Drugs named by CMS: 9 in 2024, 6 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. Ryan Paul Terlouw ranks in the 85th percentile for melanoma (skin cancer) excision in Medicare
Dr. Terlouw accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 44 procedures of melanoma (skin cancer) excision by Dr. Terlouw, more than 85% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Where Dr. Terlouw ranks in Medicare procedure volume
- Melanoma (skin cancer) excision
- 85th percentile44 procedures
- Removal of skin lesions
- 67th percentile24 procedures
- Skin biopsy
- 59th percentile11 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Mastectomy: 1 to 10 procedures (CMS shows small counts as a range)
Removal of nail tissue: 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)
Removal or shaving of skin growth: 1 to 10 procedures (CMS shows small counts as a range)
Upper limb (arm) arthroscopy (minimally invasive joint repair): 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. Ryan Paul Terlouw received $2,014 in industry payments from 2016 to 2025
CMS Open Payments shows 39 general payments to Dr. Terlouw from 17 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 96% of the total. Checkpoint Surgical, Inc paid the most, $316.
General payments to Dr. Terlouw by program year, 2016 to 2025
General payments to Dr. Terlouw by kind, 2016 to 2025
- Food and beverage$1,92996%
- Education$854%
Companies that paid Dr. Terlouw 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. Ryan Paul Terlouw graduated from University of Iowa, RJ & L Carver College of Medicine
Dr. Terlouw graduated from University of Iowa, RJ & L Carver College of Medicine in 2011.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Ryan Paul Terlouw'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) |
| 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. Ryan Paul Terlouw
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 Paul Terlouw's NPI number?
Dr. Ryan Paul Terlouw's NPI number is 1376833509. It was assigned on April 8, 2011, and it is active in the NPI Registry.
What kind of doctor is Dr. Ryan Paul Terlouw?
Dr. Ryan Paul Terlouw is a plastic surgeon in Muskegon, Michigan. The primary specialty in the NPI Registry is Plastic Surgery Physician (taxonomy code 208200000X).
Where does Dr. Ryan Paul Terlouw practice?
Dr. Terlouw practices at 1316 Mercy Dr, Muskegon, MI 49444. Dr. Terlouw's primary practice is Muskegon Surgical Associates in Muskegon, Michigan.
What is Dr. Ryan Paul Terlouw's office phone number?
The practice phone on file for Dr. Terlouw is (231) 739-9461.
What is Dr. Ryan Paul Terlouw's medical license number?
Dr. Terlouw holds Michigan license 4301112907.
Which hospitals is Dr. Ryan Paul Terlouw affiliated with?
Dr. Terlouw is affiliated with Trinity Health Muskegon Hospital.
What medical group is Dr. Ryan Paul Terlouw part of?
Dr. Terlouw is linked to Muskegon Surgical Associates.
Does Dr. Ryan Paul Terlouw accept Medicare?
Yes. CMS data shows Dr. Terlouw billed Medicare for 304 services in 2024, and Dr. Terlouw accepts Medicare assignment.
How many Medicare patients does Dr. Ryan Paul Terlouw see?
CMS counts 203 Medicare patients who saw Dr. Terlouw in 2024, with an average age of 73.
What services does Dr. Ryan Paul Terlouw bill to Medicare?
In 2024, Dr. Terlouw's most billed Medicare services were office visit, established patient (99213), office visit, new patient (99203) and surgery: skin and soft tissue (17000).
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Where did Dr. Ryan Paul Terlouw go to medical school?
Dr. Terlouw graduated from University of Iowa, RJ & L Carver College of Medicine in 2011.
What drugs does Dr. Ryan Paul Terlouw prescribe most?
In 2024 Medicare Part D data, Dr. Terlouw's most prescribed drugs by claims were Tramadol HCl, Hydrocodone-Acetaminophen and Cephalexin.
Has Dr. Ryan Paul Terlouw received payments from drug or device companies?
CMS Open Payments shows $2,014 in general payments to Dr. Terlouw from 17 companies from 2016 to 2025. The largest total came from Checkpoint Surgical, Inc.
How long has Dr. Ryan Paul Terlouw been practicing?
Dr. Terlouw graduated from medical school in 2011, 15 years ago.
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