Derek Justin Lee, DO
Family Medicine Physician · Portsmouth, NH
Derek Justin Lee, DO is a family medicine physician with a practice address in Portsmouth, New Hampshire, and NPI 1639667553, issued on Apr 26, 2018. Check the license (New Hampshire 22654, as entered in NPPES) on the New Hampshire Board of Medicine; the Medicare figures below come from public CMS files.
- Name
- Derek Justin Lee
- Credential
- DO
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 22654 NH
Self-reported in NPPES; status is on the state search - Practice location
- 25 New Hampshire Ave Ste 100, Portsmouth, NH 03801
- Phone
- (603) 431-2516
- Enumerated
- Apr 26, 2018
- Record last updated
- Nov 22, 2023
- Medicare enrollment
- Enrolled (PECOS I20220809002259); accepts Medicare assignment
- Medical or professional school
- University Of New England, College Of Osteo Medicine, 2018
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 816 in New Hampshire → Look up another NPI →
Verify Derek Justin Lee in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNew Hampshire Board of Medicine
Search for license 22654Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
64% fewer Medicare Part D claims than the average family medicine physician in 2024
1,281 Medicare Part D claims for 186 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. 50 claims were for opioids.
Most prescribed
- Atorvastatin Calcium122 claims
- Losartan Potassium59 claims
- Levothyroxine Sodium57 claims
- Amlodipine Besylate42 claims
- Metoprolol Succinate38 claims
- Furosemide33 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 2 group practices
- Appledore Medical Group IncPortsmouth, NH
- Hospital Medicine Services OF NH, LLCDerry, NH
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Derek Justin Lee among 816 family medicine physician records in New Hampshire
Derek Justin Lee, DO is one of 816 family medicine physician records with a practice address in New Hampshire. 74% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2018, is newer than 85% of them.
- NPI issued2018 · 85% of these records are older, 12% newer
- In a Medicare fileYes · 74% of these records are
- In the CMS Doctors and Clinicians fileYes · 61% of these records are
- Graduated2018 · median 2003 among the 498 with a school on file
- Record last updated2023 · 62% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a New Hampshire practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
36 family medicine physician records list a practice address in Portsmouth
They are 36 of the 1,860 NPPES records with a practice address in Portsmouth, and 816 family medicine physician records in New Hampshire.
All 816 in New Hampshire → Every provider in Portsmouth → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Keenan Al-Hojerry, MDPortsmouth, NH 038011063468981
- Mark Ballentyne, MDPortsmouth, NH 038011669404661
- David Gagnon, MDPortsmouth, NH 038011831145259
- Jennifer Koop, MDPortsmouth, NH 038011699769372
- George Kousaie, MDPortsmouth, NH 038011548263437
- Susan Krolewski, MDPortsmouth, NH 038011467406710
- Kenneth Lajoie, DOPortsmouth, NH 038011730142175
- M. Lauter, M.D.Portsmouth, NH 038011366544819
Common questions
What is Derek Justin Lee, DO's NPI number?
Derek Justin Lee, DO's National Provider Identifier (NPI) is 1639667553, issued on Apr 26, 2018. An NPI identifies a provider in billing; it is not a license.
Where is Derek Justin Lee, DO located?
The NPPES record lists a practice address at 25 New Hampshire Ave Ste 100, Portsmouth, NH, 03801. Phone: (603) 431-2516. Providers update this record themselves, so call before visiting.
How can I verify Derek Justin Lee, DO's license?
NPPES lists New Hampshire license number 22654, 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 Derek Justin Lee, DO prescribe under Medicare Part D?
In 2024, Derek Justin Lee, DO had 1,281 Medicare Part D claims for 186 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.