Margaret Willis, NP
- Medicare patients, 2024
- 63
- Part D claims, 2024
- 147
- Hospital affiliations
- 1
- Industry payments
- $19
- Medical group
- 1
- Practice address
- 203 Perry Pkwy, Gaithersburg, MD 20877
- 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
Gaithersburg, Maryland
Find Margaret Willis' 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.
Margaret Willis is an obstetrics and gynecology nurse practitioner in Gaithersburg, Maryland
Margaret Willis practices at Privia Medical Group in Gaithersburg, Maryland.
Margaret Willis' NPI, 1578769568, was assigned on June 26, 2007. Margaret Willis holds Virginia license 0001112082.
- NPI
- 1578769568NPI Registry (opens in a new tab)
- Medicare PAC ID
- 6507225570
- NPI enumeration date
- June 26, 2007
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (571) 366-8850
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 53
- Medical school graduation
- 1999
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Margaret Willis practices at Privia Medical Group in Gaithersburg, Maryland
Margaret Willis' primary practice is Privia Medical Group, at 203 Perry Pkwy, Gaithersburg, MD 20877 in Montgomery County. The practice phone is (571) 366-8850.
- Privia Medical Group203 Perry Pkwy, Gaithersburg, MD 20877 · Montgomery CountyPhone(571) 366-8850
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Margaret Willis is affiliated with 3 sites of care and 1 medical group
Margaret Willis' primary practice is Privia Medical Group in Gaithersburg, Maryland. Margaret Willis is also affiliated with Sentara Martha Jefferson Hospital. The medical group on file is Privia Medical Group. Dmand AI also links Margaret Willis to 1 more group practice or clinic, 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 Margaret Willis' practice
Dmand AI tracks the electronic health record (EHR) system at each site where Margaret Willis practices, 2 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 |
| +2 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Margaret Willis is one of 46 obstetrics and gynecology nurse practitioners in Maryland
Obstetrics and gynecology is Margaret Willis' primary specialty in the NPI Registry, under taxonomy code 363LX0001X. Margaret Willis is licensed in Virginia.
Specialties and state licenses
- Obstetrics and gynecology nurse practitioner, VirginiaPrimary
Obstetrics and gynecology nurse practitioners near Margaret Willis
Counts of obstetrics and gynecology nurse practitioners 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
Margaret Willis treated 63 Medicare patients in 2024, average age 72
CMS counts 63 Medicare patients who saw Margaret Willis in 2024. The largest group is 65 to 74, with 42 patients. 62% of them have high cholesterol, and 54% have high blood pressure. Their average risk score is 0.68, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Margaret Willis' median patient age at 50, with 100% women.
Margaret Willis' Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Chronic conditions among Margaret Willis' Medicare patients, 2024
- High cholesterol62%
- High blood pressure54%
- Arthritis41%
- Osteoporosis29%
- Diabetes24%
- Mood disorders19%
- Anxiety17%
Share of Medicare patients with each condition. A patient can have several.
Margaret Willis' patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 50
Patient panel by sex, all payers
- Women100%
- Men0%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Margaret Willis wrote 147 Medicare Part D claims in 2024
In 2024, Margaret Willis wrote 147 Medicare Part D claims for 46 patients. 93% of them were for generic drugs.
Margaret Willis' Part D claims by kind of drug, 2024
- Generic137 claims93%
- Brand-name and other10 claims7%
Drug classes CMS tracks in Margaret Willis' Part D claims, 2024
- Antibiotics10%15 of 147 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
How Margaret Willis takes part in Medicare
Margaret Willis accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Margaret Willis received $19 in industry payments in 2025
CMS Open Payments shows 1 general payment to Margaret Willis from 1 drug or device company in 2025. Food and beverage make up the largest share, 100% of the total. Mayne Pharma Inc. paid the most, $19.
Companies that paid Margaret Willis the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Margaret Willis'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 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) |
| 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 Margaret Willis
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Margaret Willis' NPI number?
Margaret Willis' NPI number is 1578769568. It was assigned on June 26, 2007, and it is active in the NPI Registry.
What does Margaret Willis specialize in?
Margaret Willis is an obstetrics and gynecology nurse practitioner in Gaithersburg, Maryland. The primary specialty in the NPI Registry is Obstetrics & Gynecology Nurse Practitioner (taxonomy code 363LX0001X).
Where does Margaret Willis practice?
Margaret Willis practices at 203 Perry Pkwy, Gaithersburg, MD 20877. Margaret Willis' primary practice is Privia Medical Group in Gaithersburg, Maryland. Dmand AI also links Margaret Willis to 1 group practice or clinic.
What is Margaret Willis' office phone number?
The practice phone on file for Margaret Willis is (571) 366-8850.
What is Margaret Willis' medical license number?
Margaret Willis holds Virginia license 0001112082.
Which hospitals is Margaret Willis affiliated with?
Margaret Willis is affiliated with Sentara Martha Jefferson Hospital.
What medical group is Margaret Willis part of?
Margaret Willis is linked to Privia Medical Group.
Does Margaret Willis accept Medicare?
Yes. CMS lists Margaret Willis as accepting Medicare assignment.
How many Medicare patients does Margaret Willis see?
CMS counts 63 Medicare patients who saw Margaret Willis in 2024, with an average age of 72.
Has Margaret Willis received payments from drug or device companies?
CMS Open Payments shows $19 in general payments to Margaret Willis from 1 company from 2025 to 2025. The largest total came from Mayne Pharma Inc.
How long has Margaret Willis been practicing?
Margaret Willis graduated from medical school in 1999, 27 years ago.
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