Dr. Nathan Michael Weir, MD, PhD
- Medicare services, 2024
- 3,666
- Medicare patients, 2024
- 821
- Part D claims, 2024
- 1,204
- MIPS score, 2024
- 99
- Industry payments
- $81,393
- Practice address
- 5298 Socialville Foster Rd, Mason, OH 45040
- Practice phone
- Call (513) 770-4212
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
The Dermatology Group, Inc
Mason, Ohio
Find Dr. Weir'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. Nathan Michael Weir is a dermatologist in Mason, Ohio
Dr. Weir practices at The Dermatology Group, Inc in Mason, Ohio.
Dr. Weir's NPI, 1861735912, was assigned on March 27, 2013. Dr. Weir graduated from Wright State University Boonshoft School of Medicine in 2013. Dr. Weir holds Ohio license 35.130393.
- NPI
- 1861735912NPI Registry (opens in a new tab)
- Medicare PAC ID
- 8527288026
- NPI enumeration date
- March 27, 2013
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (513) 770-4212
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 39
- Medical school graduation
- 2013
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Nathan Michael Weir practices at The Dermatology Group, Inc in Mason, Ohio
Dr. Weir's primary practice is The Dermatology Group, Inc, at 5298 Socialville Foster Rd, Mason, OH 45040 in Warren County. The practice phone is (513) 770-4212.
- The Dermatology Group, Inc5298 Socialville Foster Rd, Mason, OH 45040 · Warren CountyPhone(513) 770-4212
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Nathan Michael Weir is affiliated with 2 sites of care and 1 medical group
Dr. Weir's primary practice is The Dermatology Group, Inc in Mason, Ohio. The medical group on file is Dermatologists of Southwest Ohio. Dmand AI also links Dr. Weir to 1 more group practice or clinic, named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Nathan Michael Weir's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Weir practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| The Dermatology Group, Inc | 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. Nathan Michael Weir is one of 476 dermatologists in Ohio
Dermatology is Dr. Weir's primary specialty in the NPI Registry, under taxonomy code 207N00000X. Dr. Weir is licensed in Ohio.
Specialties and state licenses
- Dermatology, OhioPrimary
Dermatologists near Dr. Weir
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. Nathan Michael Weir billed Medicare for 3,666 services in 2024
CMS data shows 3,666 Medicare services from Dr. Weir across 30 procedure codes in 2024, for 821 Medicare patients. Medicare paid $183,531 for them. Every service was in an office.
Dr. Weir's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Surgery
- 2023: 2,9412024: 2,45616%
- Office and hospital visits
- 2023: 1,5172024: 1,17722%
- Drugs given in the office
- 2023: 662024: 3350%
Dr. Weir compared with the Ohio median for dermatologists, 2024
- Dr. Weir
- Ohio median
- Medicare services
- 3,666vs 1,834100% above
- Medicare patients
- 821vs 49068% above
- Part D claims
- 1,002vs 53687% above
Medians across 478 dermatologists in Ohio with Dmand AI profiles that report each measure.
Dr. Weir'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. Weir and other dermatologists in Ohio.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Nathan Michael Weir treated 821 Medicare patients in 2024, average age 75
CMS counts 821 Medicare patients who saw Dr. Weir in 2024. The largest group is 65 to 74, with 419 patients. 75% of them have high cholesterol, and 71% have high blood pressure. 2% are also on Medicaid. Their average risk score is 0.96, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Weir's median patient age at 63, with 47% women.
Dr. Weir's Medicare patients by age, 2024
Dr. Weir's Medicare patients by sex, 2024
- Women39048%
- Men43152%
Chronic conditions among Dr. Weir's Medicare patients, 2024
- High cholesterol75%
- High blood pressure71%
- Arthritis43%
- Ischemic heart disease27%
- Diabetes22%
- Chronic kidney disease19%
- Cancer18%
- Mood disorders18%
Share of Medicare patients with each condition. A patient can have several.
Dr. Weir'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
- Women47%
- Men52%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Nathan Michael Weir wrote 1,204 Medicare Part D claims in 2024
In 2024, Dr. Weir wrote 1,204 Medicare Part D claims for 522 patients. 94% of them were for generic drugs. CMS names the drug for 1,002 of them, across 19 drugs with 11 or more claims each, at $108,015 in total drug cost. In 2023, CMS named 1,195 claims across 25 drugs.
Dr. Weir's Part D claims by kind of drug, 2024
- Generic1,134 claims94%
- Brand-name70 claims6%
Dr. Weir'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. Weir's Part D claims, 2024
- Antibiotics4%48 of 1,204 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: 1,1952024: 1,00216%
Drugs named by CMS: 19 in 2024, 25 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. Nathan Michael Weir scored 99 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 99 out of 100 for Dr. Weir for performance year 2024, reported as part of a group. Dr. Weir accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 1,569 procedures of removal of skin lesions by Dr. Weir, more than 97% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Dr. Weir's MIPS scores, performance year 2024
- 99of 100Final score
- 99of 100Promoting Interoperability
- 40of 100Improvement Activities
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Where Dr. Weir ranks in Medicare procedure volume
- Removal of skin lesions
- 97th percentile1,569 procedures
- Removal or shaving of skin growth
- 92nd percentile288 procedures
- Skin biopsy
- 89th percentile272 procedures
- Melanoma (skin cancer) excision
- 95th percentile136 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Sources: Doctors and Clinicians National Downloadable File (CMS); Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026; and Doctors and Clinicians Utilization Data (CMS)
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Dr. Nathan Michael Weir received $81,393 in industry payments from 2016 to 2025
CMS Open Payments shows 1,691 general payments to Dr. Weir from 40 drug and device companies from 2016 to 2025. Speaker and faculty fees make up the largest share, 54% of the total. Almirall LLC paid the most, $22,835.
General payments to Dr. Weir by program year, 2016 to 2025
General payments to Dr. Weir by kind, 2016 to 2025
- Speaker and faculty fees$44,12854%
- Food and beverage$28,71835%
- Consulting fees$5,3567%
- Travel and lodging$2,2203%
- Education$9701%
Companies that paid Dr. Weir 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. Nathan Michael Weir graduated from Wright State University Boonshoft School of Medicine
Dr. Weir graduated from Wright State University Boonshoft School of Medicine in 2013.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Nathan Michael Weir'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 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)Clinician Public Reporting: Overall MIPS Performance (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. Nathan Michael Weir
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. Nathan Michael Weir's NPI number?
Dr. Nathan Michael Weir's NPI number is 1861735912. It was assigned on March 27, 2013, and it is active in the NPI Registry.
What kind of doctor is Dr. Nathan Michael Weir?
Dr. Nathan Michael Weir is a dermatologist in Mason, Ohio. The primary specialty in the NPI Registry is Dermatology Physician (taxonomy code 207N00000X).
Where does Dr. Nathan Michael Weir practice?
Dr. Weir practices at 5298 Socialville Foster Rd, Mason, OH 45040. Dr. Weir's primary practice is The Dermatology Group, Inc in Mason, Ohio. Dmand AI also links Dr. Weir to 1 group practice or clinic.
What is Dr. Nathan Michael Weir's office phone number?
The practice phone on file for Dr. Weir is (513) 770-4212.
What is Dr. Nathan Michael Weir's medical license number?
Dr. Weir holds Ohio license 35.130393.
What medical group is Dr. Nathan Michael Weir part of?
Dr. Weir is linked to Dermatologists of Southwest Ohio.
Does Dr. Nathan Michael Weir accept Medicare?
Yes. CMS data shows Dr. Weir billed Medicare for 3,666 services in 2024, and Dr. Weir accepts Medicare assignment.
What is Dr. Nathan Michael Weir's MIPS score?
Dr. Weir's MIPS final score for performance year 2024 is 99 out of 100, reported as part of a group.
How many Medicare patients does Dr. Nathan Michael Weir see?
CMS counts 821 Medicare patients who saw Dr. Weir in 2024, with an average age of 75.
What services does Dr. Nathan Michael Weir bill to Medicare?
In 2024, Dr. Weir's most billed Medicare services were surgery: skin and soft tissue (17003), office visit, established patient (99214) and surgery: skin and soft tissue (17000).
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Where did Dr. Nathan Michael Weir go to medical school?
Dr. Weir graduated from Wright State University Boonshoft School of Medicine in 2013.
What drugs does Dr. Nathan Michael Weir prescribe most?
In 2024 Medicare Part D data, Dr. Weir's most prescribed drugs by claims were Ketoconazole, Clobetasol Propionate and Triamcinolone Acetonide.
Has Dr. Nathan Michael Weir received payments from drug or device companies?
CMS Open Payments shows $81,393 in general payments to Dr. Weir from 40 companies from 2016 to 2025. The largest total came from Almirall LLC.
How long has Dr. Nathan Michael Weir been practicing?
Dr. Weir graduated from medical school in 2013, 13 years ago.
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