Dr. Johnathan Deleon Williams, MD
- Medicare services, 2024
- 686
- Medicare patients, 2024
- 153
- Part D claims, 2024
- 9,598
- Hospital affiliations
- 1
- Industry payments
- $17,961
- Practice address
- 640 Summit Crossing Pl, Gastonia, NC 28054
- Practice phone
- Call (704) 865-0626
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Piedmont Adult & Pediatric Medicine Associates PA
Gastonia, North Carolina
Find Dr. Williams' 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. Johnathan Deleon Williams is an internist in Gastonia, North Carolina
Dr. Williams practices at Piedmont Adult & Pediatric Medicine Associates PA in Gastonia, North Carolina.
Dr. Williams' NPI, 1245201557, was assigned on January 27, 2006. Dr. Williams graduated from University of North Carolina at Chapel Hill School of Medicine in 1986. Dr. Williams holds North Carolina license 31957.
- NPI
- 1245201557NPI Registry (opens in a new tab)
- Medicare PAC ID
- 1658424742
- NPI enumeration date
- January 27, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (704) 865-0626
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 66
- Medical school graduation
- 1986
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Johnathan Deleon Williams practices at Piedmont Adult & Pediatric Medicine Associates PA in Gastonia, North Carolina
Dr. Williams' primary practice is Piedmont Adult & Pediatric Medicine Associates PA, at 640 Summit Crossing Pl, Gastonia, NC 28054 in Gaston County. The practice phone is (704) 865-0626.
- Piedmont Adult & Pediatric Medicine Associates PA640 Summit Crossing Pl, Gastonia, NC 28054 · Gaston CountyPhone(704) 865-0626
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Johnathan Deleon Williams is affiliated with 5 sites of care and 1 medical group
Dr. Williams' primary practice is Piedmont Adult & Pediatric Medicine Associates PA in Gastonia, North Carolina. Dr. Williams is also affiliated with CaroMont Regional Medical Center. The medical group on file is Piedmont Adult & Pediatric Medicine Associates. Dmand AI also links Dr. Williams to 2 more home health agencies and 1 group practice or clinic, 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. Johnathan Deleon Williams' practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Williams practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Piedmont Adult & Pediatric Medicine Associates PA | Available with a free account |
| +4 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across each health system and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Johnathan Deleon Williams is one of 3,705 internists in North Carolina
Internal medicine is Dr. Williams' primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Williams is licensed in North Carolina.
Specialties and state licenses
- Internal medicine, North CarolinaPrimary
Internists near Dr. Williams
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. Johnathan Deleon Williams billed Medicare for 686 services in 2024
CMS data shows 686 Medicare services from Dr. Williams across 12 procedure codes in 2024, for 153 Medicare patients. Medicare paid $34,434 for them. Every service was in an office.
Dr. Williams' Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 2562024: 42566%
- Other services
- 2023: 1472024: 21144%
- Lab and pathology
- 2023: 02024: 50
Dr. Williams compared with the North Carolina median for internists, 2024
- Dr. Williams
- North Carolina median
- Medicare services
- 686vs 52132% above
- Medicare patients
- 153vs 18517% below
- Part D claims
- 8,834vs 27232.5 times
Medians across 3,695 internists in North Carolina with Dmand AI profiles that report each measure.
Dr. Williams' 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. Williams?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Williams and other internists in North Carolina.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Johnathan Deleon Williams treated 153 Medicare patients in 2024, average age 71
CMS counts 153 Medicare patients who saw Dr. Williams in 2024. The largest group is 65 to 74, with 65 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 10% are also on Medicaid. Their average risk score is 1.23, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Williams' median patient age at 27, with 58% women.
Dr. Williams' Medicare patients by age, 2024
Dr. Williams' Medicare patients by sex, 2024
- Women9965%
- Men5435%
Chronic conditions among Dr. Williams' Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis48%
- Diabetes41%
- Chronic kidney disease36%
- Mood disorders26%
- Anxiety23%
- Depression23%
Share of Medicare patients with each condition. A patient can have several.
Dr. Williams' patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 27
Patient panel by sex, all payers
- Women58%
- Men41%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Johnathan Deleon Williams wrote 9,598 Medicare Part D claims in 2024
In 2024, Dr. Williams wrote 9,598 Medicare Part D claims for 372 patients. 86% of them were for generic drugs. CMS names the drug for 8,834 of them, across 170 drugs with 11 or more claims each, at $589,000 in total drug cost. In 2023, CMS named 9,007 claims across 164 drugs.
Dr. Williams' Part D claims by kind of drug, 2024
- Generic8,248 claims86%
- Brand-name1,295 claims13%
- Other55 claims1%
Dr. Williams' 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. Williams' Part D claims, 2024
- Opioids5%493 of 9,598 claims
- Antibiotics3%302 of 9,598 claims
- Antipsychotics, patients 65 and over1%91 of 9,598 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: 9,0072024: 8,8342%
Drugs named by CMS: 170 in 2024, 164 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. Johnathan Deleon Williams takes part in Medicare
Dr. Williams accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
For MedTech and pharma teams
Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Dr. Johnathan Deleon Williams received $17,961 in industry payments from 2016 to 2025
CMS Open Payments shows 1,118 general payments to Dr. Williams from 81 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 100% of the total. AstraZeneca Pharmaceuticals LP paid the most, $1,519.
General payments to Dr. Williams by program year, 2016 to 2025
General payments to Dr. Williams by kind, 2016 to 2025
- Food and beverage$17,886100%
- Education$750%
Companies that paid Dr. Williams 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. Johnathan Deleon Williams graduated from University of North Carolina at Chapel Hill School of Medicine
Dr. Williams graduated from University of North Carolina at Chapel Hill School of Medicine in 1986.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Johnathan Deleon Williams'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) |
| 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. Johnathan Deleon Williams
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. Johnathan Deleon Williams' NPI number?
Dr. Johnathan Deleon Williams' NPI number is 1245201557. It was assigned on January 27, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Johnathan Deleon Williams?
Dr. Johnathan Deleon Williams is an internist in Gastonia, North Carolina. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Johnathan Deleon Williams practice?
Dr. Williams practices at 640 Summit Crossing Pl, Gastonia, NC 28054. Dr. Williams' primary practice is Piedmont Adult & Pediatric Medicine Associates PA in Gastonia, North Carolina. Dmand AI also links Dr. Williams to 2 home health agencies and 1 group practice or clinic.
What is Dr. Johnathan Deleon Williams' office phone number?
The practice phone on file for Dr. Williams is (704) 865-0626.
What is Dr. Johnathan Deleon Williams' medical license number?
Dr. Williams holds North Carolina license 31957.
Which hospitals is Dr. Johnathan Deleon Williams affiliated with?
Dr. Williams is affiliated with CaroMont Regional Medical Center.
What medical group is Dr. Johnathan Deleon Williams part of?
Dr. Williams is linked to Piedmont Adult & Pediatric Medicine Associates.
Does Dr. Johnathan Deleon Williams accept Medicare?
Yes. CMS data shows Dr. Williams billed Medicare for 686 services in 2024, and Dr. Williams accepts Medicare assignment.
How many Medicare patients does Dr. Johnathan Deleon Williams see?
CMS counts 153 Medicare patients who saw Dr. Williams in 2024, with an average age of 71.
What services does Dr. Johnathan Deleon Williams bill to Medicare?
In 2024, Dr. Williams' most billed Medicare services were office visit, established patient (99214), office visit, established patient (99213) and office visit, established patient (99212).
Show 4 more questionsShow fewer questions
Where did Dr. Johnathan Deleon Williams go to medical school?
Dr. Williams graduated from University of North Carolina at Chapel Hill School of Medicine in 1986.
What drugs does Dr. Johnathan Deleon Williams prescribe most?
In 2024 Medicare Part D data, Dr. Williams' most prescribed drugs by claims were Atorvastatin Calcium, Amlodipine Besylate and Levothyroxine Sodium.
Has Dr. Johnathan Deleon Williams received payments from drug or device companies?
CMS Open Payments shows $17,961 in general payments to Dr. Williams from 81 companies from 2016 to 2025. The largest total came from AstraZeneca Pharmaceuticals LP.
How long has Dr. Johnathan Deleon Williams been practicing?
Dr. Williams graduated from medical school in 1986, 40 years ago.
Selling to internal medicine practices?
See internists in North Carolina by site of care and group
Find the practices, groups and hospitals they work with, and the right people to contact at each.
- 30 days free
- Self-serve
- No credit card