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Dr. John Michael Thomassen, MD
NPI1104835925PAC ID7113020447
- Medicare services, 2020
- 13
- Medicare patients, 2024
- 17
- Part D claims, 2024
- 151
- Publications
- 1
- Hospital affiliations
- 1
- Practice address
- 4725 N Federal Hwy, Fort Lauderdale, FL 33308
- Practice phone
- Call (954) 771-8000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Thomassen'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 Michael Thomassen is a plastic surgeon in Fort Lauderdale, Florida
Dr. Thomassen practices at Holy Cross Health in Fort Lauderdale, Florida, part of Trinity Health.
Dr. Thomassen's NPI, 1104835925, was assigned on August 8, 2006. Dr. Thomassen graduated from University of Puerto Rico, Medical Sciences Campus in 2000. Dr. Thomassen holds Florida license ME 95272.
NPI and contact details
- NPI
- 1104835925NPI Registry (opens in a new tab)
- Medicare PAC ID
- 7113020447
- NPI enumeration date
- August 8, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (954) 771-8000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 52
- Medical school graduation
- 2000
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. John Michael Thomassen practices at Holy Cross Health in Fort Lauderdale, Florida
Dr. Thomassen's primary practice is Holy Cross Health, at 4725 N Federal Hwy, Fort Lauderdale, FL 33308 in Broward County. The practice phone is (954) 771-8000.
- Holy Cross Health4725 N Federal Hwy, Fort Lauderdale, FL 33308 · Broward CountyPhone(954) 771-8000
Source: Dmand AI Affiliation Data
Dr. John Michael Thomassen is affiliated with 2 sites of care
Dr. Thomassen's primary practice is Holy Cross Health in Fort Lauderdale, Florida, part of Trinity Health. Dmand AI also links Dr. Thomassen to 1 physician office, named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. John Michael Thomassen's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Thomassen practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Holy Cross Health | 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. John Michael Thomassen is one of 394 plastic surgeons in Florida
Plastic surgery is Dr. Thomassen's primary specialty in the NPI Registry, under taxonomy code 208200000X. Dr. Thomassen is board certified in plastic surgery by the American Board of Plastic Surgery. Dmand AI has Dr. Thomassen's licenses on file in 4 states: Florida, Puerto Rico, Virginia and District of Columbia.
Specialties and state licenses
- Plastic surgery, FloridaPrimary
- Puerto Rico license
- Virginia license
- District of Columbia license
Clinical focus
Dmand AI lists breast reconstruction and cancerous skin growth removal among the conditions Dr. Thomassen treats.
Plastic surgeons near Dr. Thomassen
Counts of plastic surgeons with a Dmand AI profile, by place and practice. Each opens the list.
394plastic surgeons in Florida
8plastic surgeons in Fort Lauderdale
2plastic surgeons at Holy Cross HealthSources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. John Michael Thomassen billed Medicare for 13 services in 2020
CMS data shows 13 Medicare services from Dr. Thomassen across 1 procedure code in 2020, all of them office visits, for 17 Medicare patients. Medicare paid $1,802 for them. Every service was in an office.
Medicare services, 202013
Medicare patients17
Paid by Medicare$1,802
Procedure codes1
Dr. Thomassen's Medicare services by type, 2019 to 2020
- 2019
- 2020
- Office and hospital visits
- 2019: 322020: 1359%
Dr. Thomassen compared with the Florida median for plastic surgeons, 2020
- Dr. Thomassen
- Florida median
- Medicare services
- 13vs 5476% below
- Medicare patients
- 17vs 6875% below
- Part D claims
- 122vs 432.8 times
Medians across 331 plastic surgeons in Florida with Dmand AI profiles that report each measure.
Dr. Thomassen's most billed Medicare procedure codes, 2020
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. Thomassen?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Thomassen and other plastic surgeons in Florida.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. John Michael Thomassen treated 17 Medicare patients in 2024, average age 71
CMS counts 17 Medicare patients who saw Dr. Thomassen in 2024. 75% of them have high blood pressure, and 75% have high cholesterol. Their average risk score is 1.22, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Thomassen's median patient age at 61, with 76% women.
Medicare patients, 202417
Average age71
Average risk score1.22
Chronic conditions among Dr. Thomassen's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
Share of Medicare patients with each condition. A patient can have several.
Dr. Thomassen's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 61
Patient panel by sex, all payers
- Women76%
- Men24%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. John Michael Thomassen wrote 151 Medicare Part D claims in 2024
In 2024, Dr. Thomassen wrote 151 Medicare Part D claims for 38 patients. 99% of them were for generic drugs. CMS names the drug for 122 of them, across 5 drugs with 11 or more claims each, at $535 in total drug cost. In 2023, CMS named 129 claims across 4 drugs.
Part D claims, 2024151
Drugs named by CMS5
Total drug cost$535
Part D patients38
Dr. Thomassen's Part D claims by kind of drug, 2024
- Generic150 claims99%
- Brand-name and other1 claims1%
Dr. Thomassen'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. Thomassen's Part D claims, 2024
- Opioids21%32 of 151 claims
- Antibiotics38%57 of 151 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: 1292024: 1225%
Drugs named by CMS: 5 in 2024, 4 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. John Michael Thomassen takes part in Medicare
Dr. Thomassen accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Mastectomy: 1 to 10 procedures (CMS shows small counts as a range)
Melanoma (skin cancer) excision: 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. John Michael Thomassen has 1 publication on record
Dmand AI links 1 paper to Dr. Thomassen. Dr. Thomassen's most frequent co-author is David Parker Bogue, MD.
Papers1
Dr. Thomassen's most frequent co-authors
Recent publications by Dr. Thomassen
See who Dr. Thomassen researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Thomassen works with, so you can find a warm path to the right plastic surgeons.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. John Michael Thomassen received $5,692 in industry payments from 2016 to 2025
CMS Open Payments shows 56 general payments to Dr. Thomassen from 8 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 36% of the total. Allergan Inc. paid the most, $2,150.
General payments to Dr. Thomassen by program year, 2016 to 2025
General payments to Dr. Thomassen by kind, 2016 to 2025
$5.7Kin total
- Food and beverage$2,05536%
- Gifts$2,05436%
- Travel and lodging$1,46926%
- Education$1142%
Companies that paid Dr. Thomassen 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. John Michael Thomassen graduated from University of Puerto Rico, Medical Sciences Campus
Dr. Thomassen graduated from University of Puerto Rico, Medical Sciences Campus in 2000. Dr. Thomassen is a member of ASPS.
- Medical school
- Board certified in plastic surgery
Source: Dmand AI Professional Profile Data
Dr. John Michael Thomassen accepts plans from 12 insurance carriers
Dr. Thomassen is in network with 12 carriers, including Aetna, United Healthcare and Elevance. HMO plans come from the most carriers, 7. Check the plan with the practice before a visit.
- Aetna
- United Healthcare
- Elevance
- HCSC
- Aspirus Health Plan
- Blue Cross Blue Shield of Michigan
- Alliant Health Plans
- Blue Cross and Blue Shield of Kansas City
- +4 more carriersWith a free account
Plan types Dr. Thomassen accepts, by number of carriers
- HMO7
- PPO7
- EPO4
- Medicare4
- POS3
Source: Dmand AI Insurance Network Data
Sources for Dr. John Michael Thomassen'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) |
| 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) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| Insurance carriers and plan types | Dmand AI Insurance Network 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. John Michael Thomassen
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 Michael Thomassen's NPI number?
Dr. John Michael Thomassen's NPI number is 1104835925. It was assigned on August 8, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. John Michael Thomassen?
Dr. John Michael Thomassen is a plastic surgeon in Fort Lauderdale, Florida. The primary specialty in the NPI Registry is Plastic Surgery Physician (taxonomy code 208200000X).
Where does Dr. John Michael Thomassen practice?
Dr. Thomassen practices at 4725 N Federal Hwy, Fort Lauderdale, FL 33308. Dr. Thomassen's primary practice is Holy Cross Health in Fort Lauderdale, Florida, part of Trinity Health. Dmand AI also links Dr. Thomassen to 1 physician office.
What is Dr. John Michael Thomassen's office phone number?
The practice phone on file for Dr. Thomassen is (954) 771-8000.
What is Dr. John Michael Thomassen's medical license number?
Dr. Thomassen holds Florida license ME 95272, one of the licenses on file in 4 states.
Which states has Dr. John Michael Thomassen been licensed in?
Dmand AI has state licenses on file for Dr. Thomassen in Florida (2006 to 2026), Puerto Rico (2023 to 2025), Virginia (2000 to 2012) and District of Columbia (2002 to 2010).
Which hospitals is Dr. John Michael Thomassen affiliated with?
Dr. Thomassen practices at Holy Cross Health in Fort Lauderdale, Florida.
Does Dr. John Michael Thomassen accept Medicare?
Yes. CMS data shows Dr. Thomassen billed Medicare for 13 services in 2020, and Dr. Thomassen accepts Medicare assignment.
How many Medicare patients does Dr. John Michael Thomassen see?
CMS counts 17 Medicare patients who saw Dr. Thomassen in 2024, with an average age of 71.
Is Dr. John Michael Thomassen board certified?
Yes. Dr. Thomassen is board certified in plastic surgery by the American Board of Plastic Surgery.
Show 8 more questionsShow fewer questions
What services does Dr. John Michael Thomassen bill to Medicare?
In 2020, Dr. Thomassen's most billed Medicare services were office visit, new patient (99204).
Where did Dr. John Michael Thomassen go to medical school?
Dr. Thomassen graduated from University of Puerto Rico, Medical Sciences Campus in 2000.
What drugs does Dr. John Michael Thomassen prescribe most?
In 2024 Medicare Part D data, Dr. Thomassen's most prescribed drugs by claims were Cephalexin, Ondansetron ODT and Hydrocodone-Acetaminophen.
Has Dr. John Michael Thomassen received payments from drug or device companies?
CMS Open Payments shows $5,692 in general payments to Dr. Thomassen from 8 companies from 2016 to 2025. The largest total came from Allergan Inc.
How long has Dr. John Michael Thomassen been practicing?
Dr. Thomassen graduated from medical school in 2000, 26 years ago.
Does Dr. John Michael Thomassen do research?
Dmand AI links 1 publication to Dr. Thomassen.
Who does Dr. John Michael Thomassen publish with?
Dr. Thomassen's most frequent co-authors are David Parker Bogue, MD (1 shared paper).
What insurance does Dr. John Michael Thomassen accept?
Dr. Thomassen is in network with 12 carriers, including Aetna, United Healthcare and Elevance. HMO plans come from the most carriers, 7. Check the plan with the practice before a visit.
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