Dr. Joseph Paul Happel, MD
- Medicare services, 2024
- 227
- Medicare patients, 2024
- 73
- Part D claims, 2024
- 48
- Industry payments
- $292
- Affiliated sites
- 3
- Practice address
- 200 N Glebe Rd, Arlington, VA 22203
- Practice phone
- Call (571) 366-8850
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Privia Medical Group
Arlington, Virginia
Find Dr. Happel's professional email, personal email and mobile number
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Dr. Joseph Paul Happel is an internist in Arlington, Virginia
Dr. Happel practices at Privia Medical Group in Arlington, Virginia.
Dr. Happel's NPI, 1669732798, was assigned on May 23, 2012. Dr. Happel graduated from Georgetown University School of Medicine in 2012. Dr. Happel holds Maryland license D87201.
- NPI
- 1669732798NPI Registry (opens in a new tab)
- Medicare PAC ID
- 3476805532
- NPI enumeration date
- May 23, 2012
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (571) 366-8850
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 40
- Medical school graduation
- 2012
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Joseph Paul Happel practices at Privia Medical Group in Arlington, Virginia
Dr. Happel's primary practice is Privia Medical Group, at 200 N Glebe Rd, Arlington, VA 22203 in Arlington County. The practice phone is (571) 366-8850.
- Privia Medical Group200 N Glebe Rd, Arlington, VA 22203 · Arlington CountyPhone(571) 366-8850
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Joseph Paul Happel is affiliated with 4 sites of care and 1 medical group
Dr. Happel's primary practice is Privia Medical Group in Arlington, Virginia. The medical group on file is Privia Medical Group. Dmand AI also links Dr. Happel 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. Joseph Paul Happel's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Happel practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Privia Medical Group | Available with a free account |
| +3 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Joseph Paul Happel is one of 3,339 internists in Virginia
Internal medicine is Dr. Happel's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Happel is licensed in Maryland.
Specialties and state licenses
- Internal medicine, MarylandPrimary
Internists near Dr. Happel
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. Joseph Paul Happel billed Medicare for 227 services in 2024
CMS data shows 227 Medicare services from Dr. Happel across 8 procedure codes in 2024, for 73 Medicare patients. Medicare paid $8,996 for them. Every service was in an office.
Dr. Happel's Medicare services by type, 2024
- Other services90
- Office and hospital visits74
- Lab and pathology40
- Surgery23
Dr. Happel compared with the Virginia median for internists, 2024
- Dr. Happel
- Virginia median
- Medicare services
- 227vs 60763% below
- Medicare patients
- 73vs 24670% below
Medians across 3,182 internists in Virginia with Dmand AI profiles that report each measure.
Dr. Happel'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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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Joseph Paul Happel treated 73 Medicare patients in 2024, average age 77
CMS counts 73 Medicare patients who saw Dr. Happel in 2024. The largest group is 65 to 74, with 31 patients. 75% of them have high cholesterol, and 67% 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. Happel's median patient age at 64, with 42% women.
Dr. Happel's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Happel's Medicare patients by sex, 2024
- Women4258%
- Men3142%
Chronic conditions among Dr. Happel's Medicare patients, 2024
- High cholesterol75%
- High blood pressure67%
- Arthritis66%
- Osteoporosis29%
- Mood disorders23%
- Depression22%
- Ischemic heart disease22%
- Anxiety21%
Share of Medicare patients with each condition. A patient can have several.
Dr. Happel's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 64
Patient panel by sex, all payers
- Women42%
- Men56%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Joseph Paul Happel wrote 48 Medicare Part D claims in 2024
In 2024, Dr. Happel wrote 48 Medicare Part D claims for 29 patients. 88% of them were for generic drugs.
Dr. Happel's Part D claims by kind of drug, 2024
- Generic42 claims88%
- Brand-name and other6 claims13%
Drug classes CMS tracks in Dr. Happel's Part D claims, 2024
- Antibiotics23%11 of 48 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
Dr. Joseph Paul Happel offers telehealth to Medicare patients
Dr. Happel accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Happel as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Joseph Paul Happel received $292 in industry payments from 2024 to 2025
CMS Open Payments shows 18 general payments to Dr. Happel from 9 drug and device companies from 2024 to 2025. Food and beverage make up the largest share, 100% of the total. Janssen Pharmaceuticals, Inc paid the most, $58.
General payments to Dr. Happel by program year, 2024 to 2025
Companies that paid Dr. Happel the most, 2024 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Joseph Paul Happel graduated from Georgetown University School of Medicine
Dr. Happel graduated from Georgetown University School of Medicine in 2012.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Joseph Paul Happel'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 (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. Joseph Paul Happel
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. Joseph Paul Happel's NPI number?
Dr. Joseph Paul Happel's NPI number is 1669732798. It was assigned on May 23, 2012, and it is active in the NPI Registry.
What kind of doctor is Dr. Joseph Paul Happel?
Dr. Joseph Paul Happel is an internist in Arlington, Virginia. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Joseph Paul Happel practice?
Dr. Happel practices at 200 N Glebe Rd, Arlington, VA 22203. Dr. Happel's primary practice is Privia Medical Group in Arlington, Virginia. Dmand AI also links Dr. Happel to 2 home health agencies and 1 group practice or clinic.
What is Dr. Joseph Paul Happel's office phone number?
The practice phone on file for Dr. Happel is (571) 366-8850.
What is Dr. Joseph Paul Happel's medical license number?
Dr. Happel holds Maryland license D87201.
What medical group is Dr. Joseph Paul Happel part of?
Dr. Happel is linked to Privia Medical Group.
Does Dr. Joseph Paul Happel accept Medicare?
Yes. CMS data shows Dr. Happel billed Medicare for 227 services in 2024, and Dr. Happel accepts Medicare assignment.
Does Dr. Joseph Paul Happel offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Happel as offering telehealth services.
How many Medicare patients does Dr. Joseph Paul Happel see?
CMS counts 73 Medicare patients who saw Dr. Happel in 2024, with an average age of 77.
What services does Dr. Joseph Paul Happel bill to Medicare?
In 2024, Dr. Happel's most billed Medicare services were medicare service (G2211), office visit, established patient (99213) and office visit, established patient (99214).
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Where did Dr. Joseph Paul Happel go to medical school?
Dr. Happel graduated from Georgetown University School of Medicine in 2012.
Has Dr. Joseph Paul Happel received payments from drug or device companies?
CMS Open Payments shows $292 in general payments to Dr. Happel from 9 companies from 2024 to 2025. The largest total came from Janssen Pharmaceuticals, Inc.
How long has Dr. Joseph Paul Happel been practicing?
Dr. Happel graduated from medical school in 2012, 14 years ago.
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