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Dr. Mariaileen D. Sourwine, MD
NPI1528227378PAC ID8022289198
- Medicare services, 2024
- 2,857
- Medicare patients, 2024
- 351
- Part D claims, 2024
- 3,567
- Publications
- 1
- Hospital affiliations
- 1
- 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. Sourwine's professional email, personal email and mobile number
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Dr. Mariaileen D. Sourwine is an internist in Arlington, Virginia
Dr. Sourwine practices at Privia Medical Group in Arlington, Virginia.
Dr. Sourwine's NPI, 1528227378, was assigned on June 6, 2008. Dr. Sourwine graduated from University of Maryland School of Medicine in 2008. Dr. Sourwine holds Maryland license D72591.
NPI and contact details
- NPI
- 1528227378NPI Registry (opens in a new tab)
- Medicare PAC ID
- 8022289198
- NPI enumeration date
- June 6, 2008
- 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
- 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. Mariaileen D. Sourwine practices at Privia Medical Group in Arlington, Virginia
Dr. Sourwine'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. Mariaileen D. Sourwine is affiliated with 7 sites of care and 2 medical groups
Dr. Sourwine's primary practice is Privia Medical Group in Arlington, Virginia. Dr. Sourwine is also affiliated with Luminis Health Anne Arundel Medical Center. The medical group on file is Privia Medical Group. Dmand AI also links Dr. Sourwine to 2 more group practices and clinics, 1 physician office, 1 home health agency, 1 hospice and 1 medical group, each named with a free account.
Privia Medical GroupPrimary
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Mariaileen D. Sourwine's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Sourwine practices, 6 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 |
| +6 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Mariaileen D. Sourwine is one of 3,339 internists in Virginia
Internal medicine is Dr. Sourwine's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Sourwine is licensed in Maryland.
Specialties and state licenses
- Internal medicine, MarylandPrimary
Internists near Dr. Sourwine
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. Mariaileen D. Sourwine billed Medicare for 2,857 services in 2024
CMS data shows 2,857 Medicare services from Dr. Sourwine across 23 procedure codes in 2024, for 351 Medicare patients. Medicare paid $164,461 for them. Every service was in an office.
Medicare services, 20242,857
Medicare patients351
Paid by Medicare$164,461
Procedure codes23
Dr. Sourwine's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 1,0622024: 9719%
- Tests and treatments
- 2023: 3162024: 844167%
- Other services
- 2023: 4792024: 79165%
- Surgery
- 2023: 2582024: 2407%
- Lab and pathology
- 2023: 02024: 11
Dr. Sourwine compared with the Virginia median for internists, 2024
- Dr. Sourwine
- Virginia median
- Medicare services
- 2,857vs 6074.7 times
- Medicare patients
- 351vs 24643% above
- Part D claims
- 2,928vs 22413.1 times
Medians across 3,182 internists in Virginia with Dmand AI profiles that report each measure.
Dr. Sourwine'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. Sourwine?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Sourwine and other internists in Virginia.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Mariaileen D. Sourwine treated 351 Medicare patients in 2024, average age 76
CMS counts 351 Medicare patients who saw Dr. Sourwine in 2024. The largest group is 65 to 74, with 157 patients. 75% of them have high cholesterol, and 61% have high blood pressure. Their average risk score is 0.96, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Sourwine's median patient age at 59, with 79% women.
Medicare patients, 2024351
Average age76
Average risk score0.96
Dr. Sourwine's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Sourwine's Medicare patients by sex, 2024
- Women26776%
- Men8424%
Chronic conditions among Dr. Sourwine's Medicare patients, 2024
- High cholesterol75%
- High blood pressure61%
- Arthritis53%
- Anxiety32%
- Osteoporosis28%
- Mood disorders27%
- Depression25%
- Diabetes20%
Share of Medicare patients with each condition. A patient can have several.
Dr. Sourwine's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 59
Patient panel by sex, all payers
- Women79%
- Men20%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Mariaileen D. Sourwine wrote 3,567 Medicare Part D claims in 2024
In 2024, Dr. Sourwine wrote 3,567 Medicare Part D claims for 292 patients. 89% of them were for generic drugs. CMS names the drug for 2,928 of them, across 81 drugs with 11 or more claims each, at $297,563 in total drug cost. In 2023, CMS named 2,318 claims across 73 drugs.
Part D claims, 20243,567
Drugs named by CMS81
Total drug cost$297,563
Part D patients292
Dr. Sourwine's Part D claims by kind of drug, 2024
- Generic3,161 claims89%
- Brand-name388 claims11%
- Other18 claims1%
Dr. Sourwine'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. Sourwine's Part D claims, 2024
- Opioids2%55 of 3,567 claims
- Antibiotics3%101 of 3,567 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: 2,3182024: 2,92826%
Drugs named by CMS: 81 in 2024, 73 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. Mariaileen D. Sourwine offers telehealth to Medicare patients
Dr. Sourwine accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Sourwine as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Mariaileen D. Sourwine has 1 publication on record
Dmand AI links 1 paper to Dr. Sourwine in 2017. Dr. Sourwine's most frequent co-authors are Hasan Imanli, MD and Stephen Ross Shorofsky, MD.
Papers1
Dr. Sourwine's most frequent co-authors
Recent publications by Dr. Sourwine
See who Dr. Sourwine researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Sourwine 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. Mariaileen D. Sourwine received $1,946 in industry payments from 2016 to 2025
CMS Open Payments shows 38 general payments to Dr. Sourwine from 16 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 58% of the total. Boehringer Ingelheim USA, Inc. paid the most, $1,204.
General payments to Dr. Sourwine by program year, 2016 to 2025
General payments to Dr. Sourwine by kind, 2016 to 2025
$1.9Kin total
- Food and beverage$1,13458%
- Travel and lodging$71437%
- Gifts$985%
Companies that paid Dr. Sourwine 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. Mariaileen D. Sourwine graduated from University of Maryland School of Medicine
Dr. Sourwine graduated from University of Maryland School of Medicine in 2008.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Mariaileen D. Sourwine'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) |
| 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. Mariaileen D. Sourwine
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. Mariaileen D. Sourwine's NPI number?
Dr. Mariaileen D. Sourwine's NPI number is 1528227378. It was assigned on June 6, 2008, and it is active in the NPI Registry.
What kind of doctor is Dr. Mariaileen D. Sourwine?
Dr. Mariaileen D. Sourwine is an internist in Arlington, Virginia. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Mariaileen D. Sourwine practice?
Dr. Sourwine practices at 200 N Glebe Rd, Arlington, VA 22203. Dr. Sourwine's primary practice is Privia Medical Group in Arlington, Virginia. Dmand AI also links Dr. Sourwine to 2 group practices and clinics, 1 physician office, 1 home health agency, 1 hospice and 1 medical group.
What is Dr. Mariaileen D. Sourwine's office phone number?
The practice phone on file for Dr. Sourwine is (571) 366-8850.
What is Dr. Mariaileen D. Sourwine's medical license number?
Dr. Sourwine holds Maryland license D72591.
Which hospitals is Dr. Mariaileen D. Sourwine affiliated with?
Dr. Sourwine is affiliated with Luminis Health Anne Arundel Medical Center.
What medical group is Dr. Mariaileen D. Sourwine part of?
Dr. Sourwine is linked to Privia Medical Group. Dmand AI links Dr. Sourwine to 1 more medical group.
Does Dr. Mariaileen D. Sourwine accept Medicare?
Yes. CMS data shows Dr. Sourwine billed Medicare for 2,857 services in 2024, and Dr. Sourwine accepts Medicare assignment.
Does Dr. Mariaileen D. Sourwine offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Sourwine as offering telehealth services.
How many Medicare patients does Dr. Mariaileen D. Sourwine see?
CMS counts 351 Medicare patients who saw Dr. Sourwine in 2024, with an average age of 76.
Show 7 more questionsShow fewer questions
What services does Dr. Mariaileen D. Sourwine bill to Medicare?
In 2024, Dr. Sourwine's most billed Medicare services were office visit, established patient (99214), medicare service (G2211) and medical service (97811).
Where did Dr. Mariaileen D. Sourwine go to medical school?
Dr. Sourwine graduated from University of Maryland School of Medicine in 2008.
What drugs does Dr. Mariaileen D. Sourwine prescribe most?
In 2024 Medicare Part D data, Dr. Sourwine's most prescribed drugs by claims were Atorvastatin Calcium, Levothyroxine Sodium and Losartan Potassium.
Has Dr. Mariaileen D. Sourwine received payments from drug or device companies?
CMS Open Payments shows $1,946 in general payments to Dr. Sourwine from 16 companies from 2016 to 2025. The largest total came from Boehringer Ingelheim USA, Inc.
How long has Dr. Mariaileen D. Sourwine been practicing?
Dr. Sourwine graduated from medical school in 2008, 18 years ago.
Does Dr. Mariaileen D. Sourwine do research?
Dmand AI links 1 publication to Dr. Sourwine.
Who does Dr. Mariaileen D. Sourwine publish with?
Dr. Sourwine's most frequent co-authors are Hasan Imanli, MD (1 shared paper) and Stephen Ross Shorofsky, MD (1 shared paper).
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