David L. Legro, MD
Internal Medicine Physician · Portsmouth, NH
David L. Legro, MD is an internal medicine physician with a practice address in Portsmouth, New Hampshire, and NPI 1861579302, issued on Nov 1, 2006. Check the license (New Hampshire 11922, as entered in NPPES) on the New Hampshire Board of Medicine; the Medicare figures below come from public CMS files.
- Name
- David L. Legro
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License numbers
- 11922 NH
016064 ME
Self-reported in NPPES; status is on the state search - Practice location
- 333 Borthwick Ave, Portsmouth, NH 03801
- Phone
- (603) 433-5106
- Enumerated
- Nov 1, 2006
- Record last updated
- Aug 3, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (603) 433-5180
- Medicaid ID
- 30206826 NH
- Medicare enrollment
- Enrolled (PECOS I20050616000808); accepts Medicare assignment
- Medical or professional school
- Columbia University College Of Physicians And Surgeons, 1999
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 673 in New Hampshire → Look up another NPI →
Also registered at 333 Borthwick Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify David L. Legro in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNew Hampshire Board of Medicine
Search for license 11922Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
91% fewer Medicare Part D claims than the average internal medicine physician in 2024
292 Medicare Part D claims for 98 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. 13 claims were for opioids.
Most prescribed
- Furosemide25 claims
- Pantoprazole Sodium18 claims
- Cefpodoxime Proxetil16 claims
- Amoxicillin-Clavulanate Potass14 claims
- Doxycycline Hyclate14 claims
- Metoprolol Succinate11 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Bills Medicare through one group practice
- Mercy HospitalPortland, ME
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
David L. Legro among 673 internal medicine physician records in New Hampshire
David L. Legro, MD is one of 673 internal medicine physician records with a practice address in New Hampshire. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 8% of them.
- NPI issued2006 · 8% of these records are older, 50% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 66% of these records are
- Graduated1999 · median 2005 among the 443 with a school on file
- Record last updated2007 · 53% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a New Hampshire practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
37 internal medicine physician records list a practice address in Portsmouth
They are 37 of the 1,860 NPPES records with a practice address in Portsmouth, and 673 internal medicine physician records in New Hampshire.
All 673 in New Hampshire → Every provider in Portsmouth → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Jonathan Bridges, M.D.Newington, NH 038011083744510
- Thomas Clairmont, MDPortsmouth, NH 038011053415794
- Daniel Davies, DOPortsmouth, NH 038011083683833
- Gary Fagin, M.D.Portsmouth, NH 038011376518886
- Diane Flamburis, MDPortsmouth, NH 038011851367387
- Mark Henschke, DONewington, NH 038011922092667
- Sunila Jo, MDPortsmouth, NH 038011740290097
- Paris Khavari, MDPortsmouth, NH 038011790889434
Common questions
What is David L. Legro, MD's NPI number?
David L. Legro, MD's National Provider Identifier (NPI) is 1861579302, issued on Nov 1, 2006. An NPI identifies a provider in billing; it is not a license.
Where is David L. Legro, MD located?
The NPPES record lists a practice address at 333 Borthwick Ave, Portsmouth, NH, 03801. Phone: (603) 433-5106. Providers update this record themselves, so call before visiting.
How can I verify David L. Legro, MD's license?
NPPES lists New Hampshire license number 11922, as entered by the provider. Search the New Hampshire Board of Medicine at https://www.oplc.nh.gov/board-medicine. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does David L. Legro, MD prescribe under Medicare Part D?
In 2024, David L. Legro, MD had 292 Medicare Part D claims for 98 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.