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Dr. Diane Renee Cox, MD
NPI1023227345PAC ID4284767542
- Medicare services, 2024
- 1,010
- Medicare patients, 2024
- 330
- Part D claims, 2024
- 140
- Publications
- 1
- MIPS score, 2024
- 92
- Practice address
- 1401 Johnston Willis Dr, North Chesterfield, VA 23235
- Practice phone
- Call (804) 330-2323
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Johnston Willis Hospital
North Chesterfield, Virginia
Find Dr. Cox's professional email, personal email and mobile number
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Dr. Diane Renee Cox is a general surgeon in North Chesterfield, Virginia
Dr. Cox practices at Johnston Willis Hospital in North Chesterfield, Virginia.
Dr. Cox's NPI, 1023227345, was assigned on May 22, 2007. Dr. Cox graduated from University of Texas Medical School at San Antonio in 2005. Dr. Cox holds Virginia license 0101247622.
NPI and contact details
- NPI
- 1023227345NPI Registry (opens in a new tab)
- Medicare PAC ID
- 4284767542
- NPI enumeration date
- May 22, 2007
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (804) 330-2323
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 47
- Medical school graduation
- 2005
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Diane Renee Cox practices at Johnston Willis Hospital in North Chesterfield, Virginia
Dr. Cox's primary practice is Johnston Willis Hospital, at 1401 Johnston Willis Dr, North Chesterfield, VA 23235 in Chesterfield County. The practice phone is (804) 330-2323.
- Johnston Willis Hospital1401 Johnston Willis Dr, North Chesterfield, VA 23235 · Chesterfield CountyPhone(804) 330-2323
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Diane Renee Cox is affiliated with 7 sites of care and 2 medical groups
Dr. Cox's primary practice is Johnston Willis Hospital in North Chesterfield, Virginia. Dr. Cox is also affiliated with Chippenham Hospital. The medical group on file is Richmond Specialty Group. Dmand AI also links Dr. Cox to 3 more hospitals, 2 group practices and clinics and 1 medical group, each named with a free account.
Johnston Willis HospitalPrimary
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Diane Renee Cox's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Cox practices, 6 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Johnston Willis Hospital | Available with a free account |
| +6 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
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Dr. Diane Renee Cox is one of 739 general surgeons in Virginia
Surgery is Dr. Cox's primary specialty in the NPI Registry, under taxonomy code 208600000X. Dr. Cox is licensed in Virginia.
Specialties and state licenses
- Surgery, VirginiaPrimary
General surgeons near Dr. Cox
Counts of general surgeons with a Dmand AI profile, by place and practice. Each opens the list.
739general surgeons in Virginia
5general surgeons in North Chesterfield
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Diane Renee Cox billed Medicare for 1,010 services in 2024
CMS data shows 1,010 Medicare services from Dr. Cox across 14 procedure codes in 2024, for 330 Medicare patients. Medicare paid $72,740 for them.
Medicare services, 20241,010
Medicare patients330
Paid by Medicare$72,740
Procedure codes14
Dr. Cox's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 4482024: 4787%
- Imaging
- 2023: 3542024: 3643%
- Other services
- 2023: 1022024: 1002%
- Surgery
- 2023: 752024: 689%
Where Dr. Cox's Medicare services took place, 2024
- In an office89489%
- In a facility11611%
Dr. Cox compared with the Virginia median for general surgeons, 2024
- Dr. Cox
- Virginia median
- Medicare services
- 1,010vs 1905.3 times
- Medicare patients
- 330vs 1442.3 times
- Part D claims
- 76vs 342.2 times
Medians across 667 general surgeons in Virginia with Dmand AI profiles that report each measure.
Dr. Cox'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. Cox?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Cox and other general surgeons in Virginia.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Diane Renee Cox treated 330 Medicare patients in 2024, average age 73
CMS counts 330 Medicare patients who saw Dr. Cox in 2024. The largest group is 65 to 74, with 192 patients. 75% of them have cancer, and 75% have high blood pressure. Their average risk score is 0.97, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Cox's median patient age at 70, with 99% women.
Medicare patients, 2024330
Average age73
Average risk score0.97
Dr. Cox's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Chronic conditions among Dr. Cox's Medicare patients, 2024
- Cancer75%
- High blood pressure75%
- High cholesterol75%
- Arthritis47%
- Diabetes29%
- Anxiety21%
- Osteoporosis19%
- Mood disorders17%
Share of Medicare patients with each condition. A patient can have several.
Dr. Cox's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 70
Patient panel by sex, all payers
- Women99%
- Men1%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Diane Renee Cox wrote 140 Medicare Part D claims in 2024
In 2024, Dr. Cox wrote 140 Medicare Part D claims for 69 patients. 99% of them were for generic drugs. CMS names the drug for 76 of them, across 4 drugs with 11 or more claims each, at $780 in total drug cost. In 2023, CMS named 87 claims across 4 drugs.
Part D claims, 2024140
Drugs named by CMS4
Total drug cost$780
Part D patients69
Dr. Cox's Part D claims by kind of drug, 2024
- Generic139 claims99%
- Brand-name and other1 claims1%
Dr. Cox'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. Cox's Part D claims, 2024
- Opioids23%32 of 140 claims
- Antibiotics16%22 of 140 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: 872024: 7613%
Drugs named by CMS: 4 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
Dr. Diane Renee Cox scored 92 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 92 out of 100 for Dr. Cox for performance year 2024, reported as part of a group. Dr. Cox accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 73 procedures of mastectomy by Dr. Cox, more than 98% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Dr. Cox's MIPS scores, performance year 2024
- 92of 100Final score
- 100of 100Quality
- 40of 100Improvement Activities
- 73of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Where Dr. Cox ranks in Medicare procedure volume
- Mastectomy
- 98th percentile73 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Skin biopsy: 1 to 10 procedures (CMS shows small counts as a range)
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. Diane Renee Cox has 1 publication on record
Dmand AI links 1 paper to Dr. Cox in 2011.
Papers1
Recent publications by Dr. Cox
See who Dr. Cox researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Cox works with, so you can find a warm path to the right general surgeons.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Diane Renee Cox received $889 in industry payments from 2016 to 2025
CMS Open Payments shows 21 general payments to Dr. Cox from 17 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 98% of the total. Cianna Medical Inc paid the most, $238.
General payments to Dr. Cox by program year, 2016 to 2025
General payments to Dr. Cox by kind, 2016 to 2025
$889in total
- Food and beverage$87098%
- Entertainment$202%
Companies that paid Dr. Cox 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. Diane Renee Cox graduated from University of Texas Medical School at San Antonio
Dr. Cox graduated from University of Texas Medical School at San Antonio in 2005.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Diane Renee Cox'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) |
| 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. Diane Renee Cox
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. Diane Renee Cox's NPI number?
Dr. Diane Renee Cox's NPI number is 1023227345. It was assigned on May 22, 2007, and it is active in the NPI Registry.
What kind of doctor is Dr. Diane Renee Cox?
Dr. Diane Renee Cox is a general surgeon in North Chesterfield, Virginia. The primary specialty in the NPI Registry is Surgery Physician (taxonomy code 208600000X).
Where does Dr. Diane Renee Cox practice?
Dr. Cox practices at 1401 Johnston Willis Dr, North Chesterfield, VA 23235. Dr. Cox's primary practice is Johnston Willis Hospital in North Chesterfield, Virginia. Dmand AI also links Dr. Cox to 3 hospitals, 2 group practices and clinics and 1 medical group.
What is Dr. Diane Renee Cox's office phone number?
The practice phone on file for Dr. Cox is (804) 330-2323.
What is Dr. Diane Renee Cox's medical license number?
Dr. Cox holds Virginia license 0101247622.
Which hospitals is Dr. Diane Renee Cox affiliated with?
Dr. Cox is affiliated with Chippenham Hospital. Dmand AI links Dr. Cox to 3 more hospitals.
What medical group is Dr. Diane Renee Cox part of?
Dr. Cox is linked to Richmond Specialty Group. Dmand AI links Dr. Cox to 1 more medical group.
Does Dr. Diane Renee Cox accept Medicare?
Yes. CMS data shows Dr. Cox billed Medicare for 1,010 services in 2024, and Dr. Cox accepts Medicare assignment.
What is Dr. Diane Renee Cox's MIPS score?
Dr. Cox's MIPS final score for performance year 2024 is 92 out of 100, reported as part of a group.
How many Medicare patients does Dr. Diane Renee Cox see?
CMS counts 330 Medicare patients who saw Dr. Cox in 2024, with an average age of 73.
Show 6 more questionsShow fewer questions
What services does Dr. Diane Renee Cox bill to Medicare?
In 2024, Dr. Cox's most billed Medicare services were office visit, established patient (99214), radiation oncology (77063) and radiation oncology (77067).
Where did Dr. Diane Renee Cox go to medical school?
Dr. Cox graduated from University of Texas Medical School at San Antonio in 2005.
What drugs does Dr. Diane Renee Cox prescribe most?
In 2024 Medicare Part D data, Dr. Cox's most prescribed drugs by claims were Tramadol HCl, Ibuprofen and Letrozole.
Has Dr. Diane Renee Cox received payments from drug or device companies?
CMS Open Payments shows $889 in general payments to Dr. Cox from 17 companies from 2016 to 2025. The largest total came from Cianna Medical Inc.
How long has Dr. Diane Renee Cox been practicing?
Dr. Cox graduated from medical school in 2005, 21 years ago.
Does Dr. Diane Renee Cox do research?
Dmand AI links 1 publication to Dr. Cox.
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