Am J Trop Med Hyg
Dr. Julia R. Den Hartog, MD
- Medicare services, 2024
- 634
- Medicare patients, 2024
- 185
- Part D claims, 2024
- 8,192
- Publications
- 2
- MIPS score, 2024
- 86
- Practice address
- 661 University Ln, Orange, VA 22960
- Practice phone
- Call (434) 295-1000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
University of Virginia Physicians Group
Orange, Virginia
Find Dr. Den Hartog'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. Julia R. Den Hartog is an internist in Orange, Virginia
Dr. Den Hartog practices at University of Virginia Physicians Group in Orange, Virginia.
Dr. Den Hartog's NPI, 1750558870, was assigned on May 8, 2008. Dr. Den Hartog graduated from Perelman School of Med at the University of Pennsylvania in 2008. Dr. Den Hartog holds Virginia license 0101249648.
- NPI
- 1750558870NPI Registry (opens in a new tab)
- Medicare PAC ID
- 3173792181
- NPI enumeration date
- May 8, 2008
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (434) 295-1000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 44
- Medical school graduation
- 2008
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Julia R. Den Hartog practices at University of Virginia Physicians Group in Orange, Virginia
Dr. Den Hartog's primary practice is University of Virginia Physicians Group, at 661 University Ln, Orange, VA 22960 in Orange County. The practice phone is (434) 295-1000.
- University of Virginia Physicians Group661 University Ln, Orange, VA 22960 · Orange CountyPhone(434) 295-1000
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Julia R. Den Hartog is affiliated with 5 sites of care and 1 medical group
Dr. Den Hartog's primary practice is University of Virginia Physicians Group in Orange, Virginia. Dr. Den Hartog is also affiliated with University Medical Center. The medical group on file is UVA Physicians Group. Dmand AI also links Dr. Den Hartog to 1 more hospital, 1 group practice or clinic and 1 home health agency, 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. Julia R. Den Hartog's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Den Hartog practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| University of Virginia Physicians Group | 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. Julia R. Den Hartog is one of 3,339 internists in Virginia
Internal medicine is Dr. Den Hartog's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Den Hartog is licensed in Virginia.
Specialties and state licenses
- Internal medicine, VirginiaPrimary
Internists near Dr. Den Hartog
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. Julia R. Den Hartog billed Medicare for 634 services in 2024
CMS data shows 634 Medicare services from Dr. Den Hartog across 5 procedure codes in 2024, for 185 Medicare patients. Medicare paid $31,911 for them. Every service was in an office.
Dr. Den Hartog's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 3852024: 34710%
- Other services
- 2023: 742024: 287288%
Dr. Den Hartog compared with the Virginia median for internists, 2024
- Dr. Den Hartog
- Virginia median
- Medicare services
- 634vs 607Close to median
- Medicare patients
- 185vs 24625% below
- Part D claims
- 7,521vs 22433.6 times
Medians across 3,182 internists in Virginia with Dmand AI profiles that report each measure.
Dr. Den Hartog'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. Den Hartog?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Den Hartog and other internists in Virginia.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Julia R. Den Hartog treated 185 Medicare patients in 2024, average age 76
CMS counts 185 Medicare patients who saw Dr. Den Hartog in 2024. The largest group is 65 to 74, with 68 patients. 74% of them have high blood pressure, and 52% have high cholesterol. 15% are also on Medicaid. Their average risk score is 1.10, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Den Hartog's median patient age at 70, with 67% women.
Dr. Den Hartog's Medicare patients by age, 2024
Dr. Den Hartog's Medicare patients by sex, 2024
- Women12366%
- Men6234%
Chronic conditions among Dr. Den Hartog's Medicare patients, 2024
- High blood pressure74%
- High cholesterol52%
- Arthritis37%
- Diabetes33%
- Ischemic heart disease23%
- Cancer18%
- Mood disorders18%
- Atrial fibrillation17%
Share of Medicare patients with each condition. A patient can have several.
Dr. Den Hartog'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
- Women67%
- Men33%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Julia R. Den Hartog wrote 8,192 Medicare Part D claims in 2024
In 2024, Dr. Den Hartog wrote 8,192 Medicare Part D claims for 582 patients. 83% of them were for generic drugs. CMS names the drug for 7,521 of them, across 132 drugs with 11 or more claims each, at $708,803 in total drug cost. In 2023, CMS named 6,584 claims across 127 drugs.
Dr. Den Hartog's Part D claims by kind of drug, 2024
- Generic6,790 claims83%
- Brand-name1,311 claims16%
- Other91 claims1%
Dr. Den Hartog'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. Den Hartog's Part D claims, 2024
- Opioids3%266 of 8,192 claims
- Antibiotics1%112 of 8,192 claims
- Antipsychotics, patients 65 and over0%36 of 8,192 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: 6,5842024: 7,52114%
Drugs named by CMS: 132 in 2024, 127 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. Julia R. Den Hartog scored 86 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 86 out of 100 for Dr. Den Hartog for performance year 2024, reported as part of a group. Dr. Den Hartog accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Dr. Den Hartog's MIPS scores, performance year 2024
- 86of 100Final score
- 79.8of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
- 75of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
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. Julia R. Den Hartog has 2 publications on record
Dmand AI links 2 papers to Dr. Den Hartog in 2012. Dr. Den Hartog's most frequent co-authors are David R. Burt, MD, Max A. Luna, MD and William A. Petri, MD.
Dr. Den Hartog's most frequent co-authors
Recent publications by Dr. Den Hartog
Ann Glob Health
See who Dr. Den Hartog researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Den Hartog works with, so you can find a warm path to the right internists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Julia R. Den Hartog graduated from Perelman School of Med at the University of Pennsylvania
Dr. Den Hartog graduated from Perelman School of Med at the University of Pennsylvania in 2008.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Julia R. Den Hartog'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) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| 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. Julia R. Den Hartog
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. Julia R. Den Hartog's NPI number?
Dr. Julia R. Den Hartog's NPI number is 1750558870. It was assigned on May 8, 2008, and it is active in the NPI Registry.
What kind of doctor is Dr. Julia R. Den Hartog?
Dr. Julia R. Den Hartog is an internist in Orange, Virginia. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Julia R. Den Hartog practice?
Dr. Den Hartog practices at 661 University Ln, Orange, VA 22960. Dr. Den Hartog's primary practice is University of Virginia Physicians Group in Orange, Virginia. Dmand AI also links Dr. Den Hartog to 1 hospital, 1 group practice or clinic and 1 home health agency.
What is Dr. Julia R. Den Hartog's office phone number?
The practice phone on file for Dr. Den Hartog is (434) 295-1000.
What is Dr. Julia R. Den Hartog's medical license number?
Dr. Den Hartog holds Virginia license 0101249648.
Which hospitals is Dr. Julia R. Den Hartog affiliated with?
Dr. Den Hartog is affiliated with University Medical Center. Dmand AI links Dr. Den Hartog to 1 more hospital.
What medical group is Dr. Julia R. Den Hartog part of?
Dr. Den Hartog is linked to UVA Physicians Group.
Does Dr. Julia R. Den Hartog accept Medicare?
Yes. CMS data shows Dr. Den Hartog billed Medicare for 634 services in 2024, and Dr. Den Hartog accepts Medicare assignment.
What is Dr. Julia R. Den Hartog's MIPS score?
Dr. Den Hartog's MIPS final score for performance year 2024 is 86 out of 100, reported as part of a group.
How many Medicare patients does Dr. Julia R. Den Hartog see?
CMS counts 185 Medicare patients who saw Dr. Den Hartog in 2024, with an average age of 76.
Show 6 more questionsShow fewer questions
What services does Dr. Julia R. Den Hartog bill to Medicare?
In 2024, Dr. Den Hartog's most billed Medicare services were office visit, established patient (99214), medicare service (G2211) and medicare service (G0439).
Where did Dr. Julia R. Den Hartog go to medical school?
Dr. Den Hartog graduated from Perelman School of Med at the University of Pennsylvania in 2008.
What drugs does Dr. Julia R. Den Hartog prescribe most?
In 2024 Medicare Part D data, Dr. Den Hartog's most prescribed drugs by claims were Amlodipine Besylate, Atorvastatin Calcium and Gabapentin.
How long has Dr. Julia R. Den Hartog been practicing?
Dr. Den Hartog graduated from medical school in 2008, 18 years ago.
Does Dr. Julia R. Den Hartog do research?
Dmand AI links 2 publications to Dr. Den Hartog.
Who does Dr. Julia R. Den Hartog publish with?
Dr. Den Hartog's most frequent co-authors are David R. Burt, MD (2 shared papers), Max A. Luna, MD (1 shared paper) and William A. Petri, MD (1 shared paper).
Selling to internal medicine practices?
See internists in Virginia 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