Dr. Megan Judith Lenihan, MD
- Part D claims, 2024
- 26
- Hospital affiliations
- 1
- Industry payments
- $955
- State license
- 1
- Year NPI issued
- 2018
- Practice address
- 3300 Gallows Rd, Falls Church, VA 22046
- Practice phone
- Call (703) 698-3659
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Inova Fairfax Hospital - Unit
Acute Care Hospital-Unit · Falls Church, Virginia
Find Dr. Lenihan's professional email, personal email and mobile number
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Dr. Megan Judith Lenihan is a general surgeon in Falls Church, Virginia
Dr. Lenihan practices at Inova Fairfax Hospital - Unit in Falls Church, Virginia.
Dr. Lenihan's NPI, 1003313255, was assigned on April 12, 2018. Dr. Lenihan holds Washington license ML60962129.
- NPI
- 1003313255NPI Registry (opens in a new tab)
- NPI enumeration date
- April 12, 2018
- NPI status
- Active
- Practice phone
- (703) 698-3659
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. Megan Judith Lenihan practices at Inova Fairfax Hospital - Unit in Falls Church, Virginia
Dr. Lenihan's primary practice is Inova Fairfax Hospital - Unit, at 3300 Gallows Rd, Falls Church, VA 22046 in Falls Church City. The practice phone is (703) 698-3659.
- Inova Fairfax Hospital - Unit3300 Gallows Rd, Falls Church, VA 22046 · Falls Church CityPhone(703) 698-3659
Source: Dmand AI Affiliation Data
Dr. Megan Judith Lenihan is affiliated with 1 site of care
Dr. Lenihan's primary practice is Inova Fairfax Hospital - Unit in Falls Church, Virginia.
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Megan Judith Lenihan's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Lenihan practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Inova Fairfax Hospital - Unit | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Megan Judith Lenihan is one of 739 general surgeons in Virginia
Surgery is Dr. Lenihan's primary specialty in the NPI Registry, under taxonomy code 208600000X. Dr. Lenihan is licensed in Washington.
Specialties and state licenses
- Surgery, WashingtonPrimary
General surgeons near Dr. Lenihan
Counts of general surgeons 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. Megan Judith Lenihan's patients have a median age of 65
Across all payers, Dmand AI patient panel data puts Dr. Lenihan's median patient age at 65, with 41% women.
Dr. Lenihan's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 65
Patient panel by sex, all payers
- Women41%
- Men55%
Source: Dmand AI Patient Panel Data
Dr. Megan Judith Lenihan wrote 26 Medicare Part D claims in 2024
In 2024, Dr. Lenihan wrote 26 Medicare Part D claims for 19 patients. 96% of them were for generic drugs. CMS names the drug for 11 of them, across 1 drug with 11 or more claims each, at $29 in total drug cost. In 2023, CMS named 23 claims across 1 drug.
Dr. Lenihan's Part D claims by kind of drug, 2024
- Generic25 claims96%
- Brand-name and other1 claims4%
Dr. Lenihan'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. Lenihan's Part D claims, 2024
- Opioids50%13 of 26 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: 232024: 1152%
Drugs named by CMS: 1 in 2024, 1 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
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Dr. Megan Judith Lenihan received $955 in industry payments from 2020 to 2025
CMS Open Payments shows 16 general payments to Dr. Lenihan from 6 drug and device companies from 2020 to 2025. Food and beverage make up the largest share, 95% of the total. W. L. Gore & Associates, Inc. paid the most, $413.
General payments to Dr. Lenihan by program year, 2020 to 2025
General payments to Dr. Lenihan by kind, 2020 to 2025
- Food and beverage$90595%
- Education$505%
Companies that paid Dr. Lenihan the most, 2020 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Megan Judith Lenihan'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 Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| 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) |
| 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 Dr. Megan Judith Lenihan
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. Megan Judith Lenihan's NPI number?
Dr. Megan Judith Lenihan's NPI number is 1003313255. It was assigned on April 12, 2018, and it is active in the NPI Registry.
What kind of doctor is Dr. Megan Judith Lenihan?
Dr. Megan Judith Lenihan is a general surgeon in Falls Church, Virginia. The primary specialty in the NPI Registry is Surgery Physician (taxonomy code 208600000X).
Where does Dr. Megan Judith Lenihan practice?
Dr. Lenihan practices at 3300 Gallows Rd, Falls Church, VA 22046. Dr. Lenihan's primary practice is Inova Fairfax Hospital - Unit in Falls Church, Virginia.
What is Dr. Megan Judith Lenihan's office phone number?
The practice phone on file for Dr. Lenihan is (703) 698-3659.
What is Dr. Megan Judith Lenihan's medical license number?
Dr. Lenihan holds Washington license ML60962129.
What drugs does Dr. Megan Judith Lenihan prescribe most?
In 2024 Medicare Part D data, Dr. Lenihan's most prescribed drugs by claims were Oxycodone HCl.
Has Dr. Megan Judith Lenihan received payments from drug or device companies?
CMS Open Payments shows $955 in general payments to Dr. Lenihan from 6 companies from 2020 to 2025. The largest total came from W. L. Gore & Associates, Inc.
How long has Dr. Megan Judith Lenihan been practicing?
Dr. Lenihan's NPI was assigned in 2018.
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