Marianne Elise Crowley, FNP-BC
- Affiliated sites
- 1
- Medical group
- 1
- State license
- 1
- Year NPI issued
- 2025
- Practice address
- 19450 Deerfield Avenue, Suite 300 Suite 300, Leesburg, VA 20176
- Practice phone
- Call (703) 858-3220
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Loudoun Internal Medicine Associates
Primary care practice · Leesburg, Virginia
Find Marianne Crowley's professional email, personal email and mobile number
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Marianne Elise Crowley is a nurse practitioner in Leesburg, Virginia
Marianne Crowley practices at Loudoun Internal Medicine Associates in Leesburg, Virginia.
Marianne Crowley's NPI, 1275400210, was assigned on October 23, 2025. Marianne Crowley graduated from George Washington University School of Medicine in 2025. Marianne Crowley holds Virginia license 0024194718.
- NPI
- 1275400210NPI Registry (opens in a new tab)
- Medicare PAC ID
- 7911491907
- NPI enumeration date
- October 23, 2025
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (703) 858-3220
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 27
- Medical school graduation
- 2025
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Marianne Elise Crowley practices at Loudoun Internal Medicine Associates in Leesburg, Virginia
Marianne Crowley's primary practice is Loudoun Internal Medicine Associates, at 19450 Deerfield Avenue, Suite 300 Suite 300, Leesburg, VA 20176. The practice phone is (703) 858-3220.
- Loudoun Internal Medicine Associates19450 Deerfield Avenue, Suite 300 Suite 300, Leesburg, VA 20176Phone(703) 858-3220
Sources: Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Marianne Elise Crowley is affiliated with 1 site of care and 1 medical group
Marianne Crowley's primary practice is Loudoun Internal Medicine Associates in Leesburg, Virginia. The medical group on file is Loudoun Medical Group.
Sources: Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dmand AI tracks the EHR system at Marianne Elise Crowley's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Marianne Crowley practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Loudoun Internal Medicine Associates | Available with a free account |
Source: Dmand AI Technology Install Data
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Marianne Elise Crowley is one of 1,255 nurse practitioners in Virginia
Nurse practitioner is Marianne Crowley's primary specialty in the NPI Registry, under taxonomy code 363L00000X. Marianne Crowley is licensed in Virginia.
Specialties and state licenses
- Nurse practitioner, VirginiaPrimary
Nurse practitioners near Marianne Crowley
Counts of 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
Marianne Elise Crowley's patients have a median age of 69
Across all payers, Dmand AI patient panel data puts Marianne Crowley's median patient age at 69, with 25% women.
Marianne Crowley's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 69
Patient panel by sex, all payers
- Women25%
- Men50%
Source: Dmand AI Patient Panel Data
How Marianne Elise Crowley takes part in Medicare
Marianne Crowley 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)
Marianne Elise Crowley graduated from George Washington University School of Medicine
Marianne Crowley graduated from George Washington University School of Medicine in 2025.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Marianne Elise Crowley'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 DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (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 Marianne Elise Crowley
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What is Marianne Elise Crowley's NPI number?
Marianne Elise Crowley's NPI number is 1275400210. It was assigned on October 23, 2025, and it is active in the NPI Registry.
What does Marianne Elise Crowley specialize in?
Marianne Elise Crowley is a nurse practitioner in Leesburg, Virginia. The primary specialty in the NPI Registry is Nurse Practitioner (taxonomy code 363L00000X).
Where does Marianne Elise Crowley practice?
Marianne Crowley practices at 19450 Deerfield Avenue, Suite 300 Suite 300, Leesburg, VA 20176. Marianne Crowley's primary practice is Loudoun Internal Medicine Associates in Leesburg, Virginia.
What is Marianne Elise Crowley's office phone number?
The practice phone on file for Marianne Crowley is (703) 858-3220.
What is Marianne Elise Crowley's medical license number?
Marianne Crowley holds Virginia license 0024194718.
What medical group is Marianne Elise Crowley part of?
Marianne Crowley is linked to Loudoun Medical Group.
Does Marianne Elise Crowley accept Medicare?
Yes. CMS lists Marianne Crowley as accepting Medicare assignment.
Where did Marianne Elise Crowley go to medical school?
Marianne Crowley graduated from George Washington University School of Medicine in 2025.
How long has Marianne Elise Crowley been practicing?
Marianne Crowley graduated from medical school in 2025, 1 years ago.
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