Dr. John C. Nicholson, MD
- Medicare services, 2024
- 1,261
- Medicare patients, 2024
- 221
- Part D claims, 2024
- 12,663
- Hospital affiliations
- 1
- Industry payments
- $11,050
- Practice address
- 1668 Nc-16 S, Taylorsville, NC 28681
- Practice phone
- Call (704) 883-3378
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Iredell Physician Network
Taylorsville, North Carolina
Find Dr. Nicholson'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 C. Nicholson is an internist in Taylorsville, North Carolina
Dr. Nicholson practices at Iredell Physician Network in Taylorsville, North Carolina.
Dr. Nicholson's NPI, 1497723795, was assigned on March 10, 2006. Dr. Nicholson graduated from Duke University School of Medicine in 1989. Dr. Nicholson holds North Carolina license 36236.
- NPI
- 1497723795NPI Registry (opens in a new tab)
- Medicare PAC ID
- 3678644218
- NPI enumeration date
- March 10, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (704) 883-3378
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 63
- Medical school graduation
- 1989
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. John C. Nicholson practices at Iredell Physician Network in Taylorsville, North Carolina
Dr. Nicholson's primary practice is Iredell Physician Network, at 1668 Nc-16 S, Taylorsville, NC 28681 in Alexander County. The practice phone is (704) 883-3378.
- Iredell Physician Network1668 Nc-16 S, Taylorsville, NC 28681 · Alexander CountyPhone(704) 883-3378
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. John C. Nicholson is affiliated with 5 sites of care and 1 medical group
Dr. Nicholson's primary practice is Iredell Physician Network in Taylorsville, North Carolina. Dr. Nicholson is also affiliated with Iredell Memorial Hospital. The medical group on file is Iredell Physician Network. Dmand AI also links Dr. Nicholson to 1 more group practice or clinic, 1 home health agency and 1 hospice, each 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. John C. Nicholson's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Nicholson practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Iredell Physician Network | Available with a free account |
| +4 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. John C. Nicholson is one of 3,705 internists in North Carolina
Internal medicine is Dr. Nicholson's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Nicholson is licensed in North Carolina.
Specialties and state licenses
- Internal medicine, North CarolinaPrimary
Internists near Dr. Nicholson
Counts of internists 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. John C. Nicholson billed Medicare for 1,261 services in 2024
CMS data shows 1,261 Medicare services from Dr. Nicholson across 18 procedure codes in 2024, for 221 Medicare patients. Medicare paid $64,784 for them. Every service was in an office.
Dr. Nicholson's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 5532024: 5177%
- Drugs given in the office
- 2023: 4112024: 29927%
- Other services
- 2023: 1662024: 19417%
- Tests and treatments
- 2023: 1612024: 13218%
- Lab and pathology
- 2023: 1092024: 9711%
- Surgery
- 2023: 492024: 2255%
Dr. Nicholson compared with the North Carolina median for internists, 2024
- Dr. Nicholson
- North Carolina median
- Medicare services
- 1,261vs 5212.4 times
- Medicare patients
- 221vs 18519% above
- Part D claims
- 11,982vs 27244.1 times
Medians across 3,695 internists in North Carolina with Dmand AI profiles that report each measure.
Dr. Nicholson'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.
Need commercial claims for Dr. Nicholson?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Nicholson and other internists in North Carolina.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. John C. Nicholson treated 221 Medicare patients in 2024, average age 76
CMS counts 221 Medicare patients who saw Dr. Nicholson in 2024. The largest group is 75 to 84, with 92 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 6% are also on Medicaid. Their average risk score is 1.24, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Nicholson's median patient age at 71, with 53% women.
Dr. Nicholson's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Nicholson's Medicare patients by sex, 2024
- Women12356%
- Men9844%
Chronic conditions among Dr. Nicholson's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis44%
- Diabetes31%
- Anxiety28%
- Ischemic heart disease26%
- Atrial fibrillation21%
- Mood disorders21%
Share of Medicare patients with each condition. A patient can have several.
Dr. Nicholson's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 71
Patient panel by sex, all payers
- Women53%
- Men47%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. John C. Nicholson wrote 12,663 Medicare Part D claims in 2024
In 2024, Dr. Nicholson wrote 12,663 Medicare Part D claims for 616 patients. 86% of them were for generic drugs. CMS names the drug for 11,982 of them, across 171 drugs with 11 or more claims each, at $1,061,032 in total drug cost. In 2023, CMS named 11,434 claims across 167 drugs.
Dr. Nicholson's Part D claims by kind of drug, 2024
- Generic10,926 claims86%
- Brand-name1,653 claims13%
- Other84 claims1%
Dr. Nicholson'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. Nicholson's Part D claims, 2024
- Opioids2%314 of 12,663 claims
- Antibiotics2%314 of 12,663 claims
- Antipsychotics, patients 65 and over1%69 of 12,663 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: 11,4342024: 11,9825%
Drugs named by CMS: 171 in 2024, 167 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 C. Nicholson takes part in Medicare
Dr. Nicholson accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Removal of skin lesions: 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)
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
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Dr. John C. Nicholson received $11,050 in industry payments from 2016 to 2025
CMS Open Payments shows 817 general payments to Dr. Nicholson from 52 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 100% of the total. Novo Nordisk Inc paid the most, $1,403.
General payments to Dr. Nicholson by program year, 2016 to 2025
General payments to Dr. Nicholson by kind, 2016 to 2025
- Food and beverage$11,039100%
- Education$100%
Companies that paid Dr. Nicholson 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 C. Nicholson graduated from Duke University School of Medicine
Dr. Nicholson graduated from Duke University School of Medicine in 1989.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. John C. Nicholson'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)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. John C. Nicholson
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 C. Nicholson's NPI number?
Dr. John C. Nicholson's NPI number is 1497723795. It was assigned on March 10, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. John C. Nicholson?
Dr. John C. Nicholson is an internist in Taylorsville, North Carolina. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. John C. Nicholson practice?
Dr. Nicholson practices at 1668 Nc-16 S, Taylorsville, NC 28681. Dr. Nicholson's primary practice is Iredell Physician Network in Taylorsville, North Carolina. Dmand AI also links Dr. Nicholson to 1 group practice or clinic, 1 home health agency and 1 hospice.
What is Dr. John C. Nicholson's office phone number?
The practice phone on file for Dr. Nicholson is (704) 883-3378.
What is Dr. John C. Nicholson's medical license number?
Dr. Nicholson holds North Carolina license 36236.
Which hospitals is Dr. John C. Nicholson affiliated with?
Dr. Nicholson is affiliated with Iredell Memorial Hospital.
What medical group is Dr. John C. Nicholson part of?
Dr. Nicholson is linked to Iredell Physician Network.
Does Dr. John C. Nicholson accept Medicare?
Yes. CMS data shows Dr. Nicholson billed Medicare for 1,261 services in 2024, and Dr. Nicholson accepts Medicare assignment.
How many Medicare patients does Dr. John C. Nicholson see?
CMS counts 221 Medicare patients who saw Dr. Nicholson in 2024, with an average age of 76.
What services does Dr. John C. Nicholson bill to Medicare?
In 2024, Dr. Nicholson's most billed Medicare services were office visit, established patient (99214), injected or infused drug (J3301) and medicare service (G0439).
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Where did Dr. John C. Nicholson go to medical school?
Dr. Nicholson graduated from Duke University School of Medicine in 1989.
What drugs does Dr. John C. Nicholson prescribe most?
In 2024 Medicare Part D data, Dr. Nicholson's most prescribed drugs by claims were Amlodipine Besylate, Atorvastatin Calcium and Levothyroxine Sodium.
Has Dr. John C. Nicholson received payments from drug or device companies?
CMS Open Payments shows $11,050 in general payments to Dr. Nicholson from 52 companies from 2016 to 2025. The largest total came from Novo Nordisk Inc.
How long has Dr. John C. Nicholson been practicing?
Dr. Nicholson graduated from medical school in 1989, 37 years ago.
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