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Dr. Marijane Hynes, MD
NPI1043380850PAC ID6800082140
- Medicare services, 2024
- 133
- Medicare patients, 2024
- 83
- Part D claims, 2024
- 450
- Publications
- 3
- Hospital affiliations
- 1
- Practice address
- 900 23rd St NW, Washington, DC 20037
- Practice phone
- Call (202) 716-4605
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Hynes' professional email, personal email and mobile number
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Dr. Marijane Hynes is an internist in Washington, District of Columbia
Dr. Hynes practices at The George Washington University Hospital in Washington, District of Columbia, part of Universal Health Services.
Dr. Hynes' NPI, 1043380850, was assigned on November 9, 2006. Dr. Hynes graduated from George Washington University School of Medicine in 1994.
NPI and contact details
- NPI
- 1043380850NPI Registry (opens in a new tab)
- Medicare PAC ID
- 6800082140
- NPI enumeration date
- November 9, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (202) 716-4605
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 58
- Medical school graduation
- 1994
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Marijane Hynes practices at The George Washington University Hospital in Washington, District of Columbia
Dr. Hynes' primary practice is The George Washington University Hospital, at 900 23rd St NW, Washington, DC 20037 in The District County. The practice phone is (202) 716-4605.
- The George Washington University Hospital900 23rd St NW, Washington, DC 20037 · The District CountyPhone(202) 716-4605
Source: Dmand AI Affiliation Data
Dr. Marijane Hynes is affiliated with 4 sites of care and 3 medical groups
Dr. Hynes' primary practice is The George Washington University Hospital in Washington, District of Columbia, part of Universal Health Services. The medical group on file is Privia Medical Group. Dmand AI also links Dr. Hynes to 3 more group practices and clinics and 2 medical groups, each named with a free account.
Privia Medical Group3 group practices and clinicsNames with a free account2 medical groupsNames with a free account
See all 7 affiliations for Dr. HynesSources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Marijane Hynes' practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Hynes practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| The George Washington University Hospital | Available with a free account |
| +3 more sites and 2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Marijane Hynes is one of 660 internists in District of Columbia
Internal medicine is Dr. Hynes' primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Hynes has a license on file in District of Columbia.
Specialties and state licenses
- Internal medicine, District of Columbia
Internists near Dr. Hynes
Counts of internists with a Dmand AI profile, by place and practice. Each opens the list.
660internists in District of Columbia660internists in Washington39internists at The George Washington University Hospital
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Marijane Hynes billed Medicare for 133 services in 2024
CMS data shows 133 Medicare services from Dr. Hynes across 3 procedure codes in 2024, all of them office visits, for 83 Medicare patients. Medicare paid $11,315 for them. Every service was in an office.
Medicare services, 2024133
Medicare patients83
Paid by Medicare$11,315
Procedure codes3
Dr. Hynes' Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 1452024: 1338%
- Lab and pathology
- 2023: 122024: 0100%
- Other services
- 2023: 212024: 0100%
Dr. Hynes compared with the District of Columbia median for internists, 2024
- Dr. Hynes
- District of Columbia median
- Medicare services
- 133vs 35462% below
- Medicare patients
- 83vs 15346% below
- Part D claims
- 361vs 1103.3 times
Medians across 591 internists in District of Columbia with Dmand AI profiles that report each measure.
Dr. Hynes' 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. Hynes?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Hynes and other internists in District of Columbia.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Marijane Hynes treated 83 Medicare patients in 2024, average age 67
CMS counts 83 Medicare patients who saw Dr. Hynes in 2024. The largest group is 65 to 74, with 40 patients. 70% of them have high cholesterol, and 69% have high blood pressure. 42% are also on Medicaid. Their average risk score is 1.17, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Hynes' median patient age at 48, with 77% women.
Medicare patients, 202483
Average age67
Average risk score1.17
Also on Medicaid42%
Dr. Hynes' Medicare patients by age, 2024
Dr. Hynes' Medicare patients by sex, 2024
- Women6578%
- Men1822%
Chronic conditions among Dr. Hynes' Medicare patients, 2024
- High cholesterol70%
- High blood pressure69%
- Arthritis64%
- Diabetes30%
- Mood disorders27%
- Anxiety23%
- Asthma22%
- Ischemic heart disease19%
Share of Medicare patients with each condition. A patient can have several.
Dr. Hynes' patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 48
Patient panel by sex, all payers
- Women77%
- Men22%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Marijane Hynes wrote 450 Medicare Part D claims in 2024
In 2024, Dr. Hynes wrote 450 Medicare Part D claims for 100 patients. 55% of them were for generic drugs. CMS names the drug for 361 of them, across 10 drugs with 11 or more claims each, at $327,528 in total drug cost. In 2023, CMS named 282 claims across 7 drugs.
Part D claims, 2024450
Drugs named by CMS10
Total drug cost$327,528
Part D patients100
Dr. Hynes' Part D claims by kind of drug, 2024
- Generic248 claims55%
- Brand-name and other202 claims45%
Dr. Hynes' 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.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 2822024: 36128%
Drugs named by CMS: 10 in 2024, 7 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. Marijane Hynes offers telehealth to Medicare patients
Dr. Hynes accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Hynes as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Marijane Hynes has 3 publications on record
Dmand AI links 3 papers to Dr. Hynes, published from 2018 to 2022. Dr. Hynes' most frequent co-authors are Caitlin Angelena Bove, MD, Michael S. Irwig, MD and Vivek Kumar Jain, MD.
Papers3
Years published2018 to 2022
Dr. Hynes' papers by year, 2018 to 2022
Dr. Hynes' most frequent co-authors
- Caitlin Angelena Bove, MD1 shared paper
- Michael S. Irwig, MD1 shared paper
- Vivek Kumar Jain, MD1 shared paper
Recent publications by Dr. Hynes
See who Dr. Hynes researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Hynes 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. Marijane Hynes received $12,557 in industry payments from 2016 to 2025
CMS Open Payments shows 69 general payments to Dr. Hynes from 12 drug and device companies from 2016 to 2025. Speaker and faculty fees make up the largest share, 38% of the total. Novo Nordisk Inc paid the most, $10,297.
General payments to Dr. Hynes by program year, 2016 to 2025
General payments to Dr. Hynes by kind, 2016 to 2025
$12.6Kin total
- Speaker and faculty fees$4,79038%
- Consulting fees$4,00532%
- Food and beverage$1,94015%
- Travel and lodging$1,52512%
- Education$2972%
Companies that paid Dr. Hynes 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. Marijane Hynes graduated from George Washington University School of Medicine
Dr. Hynes graduated from George Washington University School of Medicine in 1994.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Marijane Hynes'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 | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy 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. Marijane Hynes
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. Marijane Hynes' NPI number?
Dr. Marijane Hynes' NPI number is 1043380850. It was assigned on November 9, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Marijane Hynes?
Dr. Marijane Hynes is an internist in Washington, District of Columbia. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Marijane Hynes practice?
Dr. Hynes practices at 900 23rd St NW, Washington, DC 20037. Dr. Hynes' primary practice is The George Washington University Hospital in Washington, District of Columbia, part of Universal Health Services. Dmand AI also links Dr. Hynes to 3 group practices and clinics and 2 medical groups.
What is Dr. Marijane Hynes' office phone number?
The practice phone on file for Dr. Hynes is (202) 716-4605.
Which hospitals is Dr. Marijane Hynes affiliated with?
Dr. Hynes practices at The George Washington University Hospital in Washington, District of Columbia.
What medical group is Dr. Marijane Hynes part of?
Dr. Hynes is linked to Privia Medical Group. Dmand AI links Dr. Hynes to 2 more medical groups.
Does Dr. Marijane Hynes accept Medicare?
Yes. CMS data shows Dr. Hynes billed Medicare for 133 services in 2024, and Dr. Hynes accepts Medicare assignment.
Does Dr. Marijane Hynes offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Hynes as offering telehealth services.
How many Medicare patients does Dr. Marijane Hynes see?
CMS counts 83 Medicare patients who saw Dr. Hynes in 2024, with an average age of 67.
What services does Dr. Marijane Hynes bill to Medicare?
In 2024, Dr. Hynes' most billed Medicare services were office visit, established patient (99214), office visit, established patient (99213) and office visit, established patient (99215).
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Where did Dr. Marijane Hynes go to medical school?
Dr. Hynes graduated from George Washington University School of Medicine in 1994.
What drugs does Dr. Marijane Hynes prescribe most?
In 2024 Medicare Part D data, Dr. Hynes' most prescribed drugs by claims were Ozempic, Topiramate and Metformin HCl.
Has Dr. Marijane Hynes received payments from drug or device companies?
CMS Open Payments shows $12,557 in general payments to Dr. Hynes from 12 companies from 2016 to 2025. The largest total came from Novo Nordisk Inc.
How long has Dr. Marijane Hynes been practicing?
Dr. Hynes graduated from medical school in 1994, 32 years ago.
Does Dr. Marijane Hynes do research?
Dmand AI links 3 publications to Dr. Hynes, published from 2018 to 2022.
Who does Dr. Marijane Hynes publish with?
Dr. Hynes' most frequent co-authors are Caitlin Angelena Bove, MD (1 shared paper), Michael S. Irwig, MD (1 shared paper) and Vivek Kumar Jain, MD (1 shared paper).
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