Biological ProductsDermatologic AgentsHydroquinones
Dr. Carl R. Thornfeldt, MD
NPI1083653489
- Medicare services, 2022
- 7,240
- Part D claims, 2022
- 765
- Publications
- 2
- Industry payments
- $3,447
- State license
- 1
- Practice address
- 520 S Eagle Rd, Meridian, ID 83642
- Practice phone
- Call (208) 381-2222
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
St Lukes Meridian Medical Center
Meridian, Idaho
Find Dr. Thornfeldt's professional email, personal email and mobile number
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Dr. Carl R. Thornfeldt is a dermatologist in Meridian, Idaho
Dr. Thornfeldt practices at St Lukes Meridian Medical Center in Meridian, Idaho.
Dr. Thornfeldt's NPI, 1083653489, was assigned on June 4, 2006. Dr. Thornfeldt graduated from Oregon Health Sciences University School of Medicine in 1977. Dr. Thornfeldt holds Idaho license M7442.
NPI and contact details
- NPI
- 1083653489NPI Registry (opens in a new tab)
- NPI enumeration date
- June 4, 2006
- NPI status
- Active
- Practice phone
- (208) 381-2222
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 75
- Medical school graduation
- 1977
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Practice Data
Dr. Carl R. Thornfeldt practices at St Lukes Meridian Medical Center in Meridian, Idaho
Dr. Thornfeldt's primary practice is St Lukes Meridian Medical Center, at 520 S Eagle Rd, Meridian, ID 83642 in Ada County. The practice phone is (208) 381-2222.
- St Lukes Meridian Medical Center520 S Eagle Rd, Meridian, ID 83642 · Ada CountyPhone(208) 381-2222
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Carl R. Thornfeldt is affiliated with 1 site of care
Dr. Thornfeldt's primary practice is St Lukes Meridian Medical Center in Meridian, Idaho.
St Lukes Meridian Medical CenterPrimary
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dmand AI tracks the EHR system at Dr. Carl R. Thornfeldt's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Thornfeldt practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| St Lukes Meridian Medical Center | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Carl R. Thornfeldt is one of 54 dermatologists in Idaho
Dermatology is Dr. Thornfeldt's primary specialty in the NPI Registry, under taxonomy code 207N00000X. Dr. Thornfeldt is licensed in Idaho.
Specialties and state licenses
- Dermatology, IdahoPrimary
Dermatologists near Dr. Thornfeldt
Counts of dermatologists 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. Carl R. Thornfeldt billed Medicare for 7,240 services in 2022
CMS data shows 7,240 Medicare services from Dr. Thornfeldt across 13 procedure codes in 2022. Medicare paid $48,915 for them. Every service was in an office.
Medicare services, 20227,240
Paid by Medicare$48,915
Procedure codes13
Dr. Thornfeldt's Medicare services by type, 2021 to 2022
- 2021
- 2022
- Drugs given in the office
- 2021: 7,3842022: 5,94120%
- Surgery
- 2021: 2,9482022: 81073%
- Office and hospital visits
- 2021: 1,1992022: 33572%
- Other services
- 2021: 1942022: 6566%
- Tests and treatments
- 2021: 1492022: 6457%
- Lab and pathology
- 2021: 1122022: 2578%
Dr. Thornfeldt compared with the Idaho median for dermatologists, 2022
- Dr. Thornfeldt
- Idaho median
- Medicare services
- 7,240vs 2,7392.6 times
- Part D claims
- 765vs 51150% above
Medians across 54 dermatologists in Idaho with Dmand AI profiles that report each measure.
Dr. Thornfeldt's most billed Medicare procedure codes, 2022
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. Thornfeldt and other dermatologists in Idaho.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Carl R. Thornfeldt's patients have a median age of 72
Across all payers, Dmand AI patient panel data puts Dr. Thornfeldt's median patient age at 72, with 53% women.
Dr. Thornfeldt's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 72
Patient panel by sex, all payers
- Women53%
- Men47%
Source: Dmand AI Patient Panel Data
Dr. Carl R. Thornfeldt wrote 765 Medicare Part D claims in 2022
In 2022, Dr. Thornfeldt wrote 765 Medicare Part D claims. They cover 28 drugs, with $30,175 in total drug cost. In 2021, CMS named 2,370 claims across 54 drugs.
Part D claims, 2022765
Drugs named by CMS28
Total drug cost$30,175
Dr. Thornfeldt's most prescribed drugs by claims, 2022
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Part D claims for drugs CMS names, 2021 to 2022
- 2021
- 2022
- Claims for drugs CMS names
- 2021: 2,3702022: 76568%
Drugs named by CMS: 28 in 2022, 54 in 2021.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
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Dr. Carl R. Thornfeldt has 2 publications on record
Dmand AI links 2 papers to Dr. Thornfeldt. The most frequent topics are Dermatologic Agents and Tretinoin. Dr. Thornfeldt has published most often in J Drugs Dermatol. Dr. Thornfeldt's most frequent co-author is Nathan S. Trookman, MD.
Papers2
Topics Dr. Thornfeldt writes about most
- Dermatologic Agents
- Tretinoin
Dr. Thornfeldt's most frequent co-authors
Recent publications by Dr. Thornfeldt
J Drugs Dermatol
Administration, TopicalCosmeceuticalsDermatologic Agents
See who Dr. Thornfeldt researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Thornfeldt works with, so you can find a warm path to the right dermatologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Carl R. Thornfeldt received $3,447 in industry payments from 2016 to 2022
CMS Open Payments shows 203 general payments to Dr. Thornfeldt from 25 drug and device companies from 2016 to 2022. Food and beverage make up the largest share, 92% of the total. Janssen Pharmaceuticals, Inc paid the most, $685.
General payments to Dr. Thornfeldt by program year, 2016 to 2022
General payments to Dr. Thornfeldt by kind, 2016 to 2022
$3.4Kin total
- Food and beverage$3,17692%
- Education$2718%
Companies that paid Dr. Thornfeldt the most, 2016 to 2022
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Carl R. Thornfeldt graduated from Oregon Health Sciences University School of Medicine
Dr. Thornfeldt graduated from Oregon Health Sciences University School of Medicine in 1977.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Carl R. Thornfeldt'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 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 Data |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (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 |
| 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. Carl R. Thornfeldt
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. Carl R. Thornfeldt's NPI number?
Dr. Carl R. Thornfeldt's NPI number is 1083653489. It was assigned on June 4, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Carl R. Thornfeldt?
Dr. Carl R. Thornfeldt is a dermatologist in Meridian, Idaho. The primary specialty in the NPI Registry is Dermatology Physician (taxonomy code 207N00000X).
Where does Dr. Carl R. Thornfeldt practice?
Dr. Thornfeldt practices at 520 S Eagle Rd, Meridian, ID 83642. Dr. Thornfeldt's primary practice is St Lukes Meridian Medical Center in Meridian, Idaho.
What is Dr. Carl R. Thornfeldt's office phone number?
The practice phone on file for Dr. Thornfeldt is (208) 381-2222.
What is Dr. Carl R. Thornfeldt's medical license number?
Dr. Thornfeldt holds Idaho license M7442.
Does Dr. Carl R. Thornfeldt accept Medicare?
Yes. CMS data shows Dr. Thornfeldt billed Medicare for 7,240 services in 2022.
What services does Dr. Carl R. Thornfeldt bill to Medicare?
In 2022, Dr. Thornfeldt's most billed Medicare services were injected or infused drug (J7345), surgery: skin and soft tissue (17003) and office visit, established patient (99214).
Where did Dr. Carl R. Thornfeldt go to medical school?
Dr. Thornfeldt graduated from Oregon Health Sciences University School of Medicine in 1977.
What drugs does Dr. Carl R. Thornfeldt prescribe most?
In 2022 Medicare Part D data, Dr. Thornfeldt's most prescribed drugs by claims were Pentoxifylline, Ketoconazole and Ciclopirox.
Has Dr. Carl R. Thornfeldt received payments from drug or device companies?
CMS Open Payments shows $3,447 in general payments to Dr. Thornfeldt from 25 companies from 2016 to 2022. The largest total came from Janssen Pharmaceuticals, Inc.
Show 3 more questionsShow fewer questions
How long has Dr. Carl R. Thornfeldt been practicing?
Dr. Thornfeldt graduated from medical school in 1977, 49 years ago.
Does Dr. Carl R. Thornfeldt do research?
Dmand AI links 2 publications to Dr. Thornfeldt.
Who does Dr. Carl R. Thornfeldt publish with?
Dr. Thornfeldt's most frequent co-authors are Nathan S. Trookman, MD (1 shared paper).
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