Joanna Duby, MD
Geriatric Medicine (Internal Medicine) Physician · Lynn, MA
Joanna Duby, MD is a geriatric medicine (internal medicine) physician with a practice address in Lynn, Massachusetts, and NPI 1184602005, issued on Jan 3, 2006. Check the license (Massachusetts 15942, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- Joanna Duby
- Credential
- MD
- Primary taxonomy
- Geriatric Medicine (Internal Medicine) Physician 207RG0300X
- License number
- 15942 MA
Self-reported in NPPES; status is on the state search - Practice location
- 37 Friend St, Lynn, MA 01902
- Phone
- (781) 581-7565
- Enumerated
- Jan 3, 2006
- Record last updated
- Sep 21, 2012 (not updated in 14 years: call before relying on the address or phone)
- Fax
- (781) 581-2976
- Entity
- Type 1 · individual
8 nearest geriatric medicine (internal medicine) physician records → All 225 in Massachusetts → Look up another NPI →
Also registered at 37 Friend St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Lisa Aptt, CNPAdult Health Nurse Practitioner1073158614
- Amber AveryPhysical Rehabilitation Occupational Therapist1326437807
- Aleksandra Bacon, A-GNP-CPrimary Care Nurse Practitioner1245950708
- Denise Boisvert, NPPsychiatric/Mental Health Nurse Practitioner1770657199
- Leslie Breen, ADULT NPAdult Health Nurse Practitioner1174702047
- Kristen BriggsOccupational Therapist1649337155
Verify Joanna Duby in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 15942Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
16% fewer Medicare Part D claims than the average geriatric medicine (internal medicine) physician in 2024
3,583 Medicare Part D claims for 177 beneficiaries, against an average of 4,246 among the 3,116 providers of this specialty who prescribed in Part D. 34 claims were for opioids.
Most prescribed
- Trazodone Hcl176 claims
- Sertraline Hcl164 claims
- Amlodipine Besylate143 claims
- Levothyroxine Sodium133 claims
- Pantoprazole Sodium131 claims
- Gabapentin130 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.
Joanna Duby among 225 geriatric medicine (internal medicine) physician records in Massachusetts
Joanna Duby, MD is one of 225 geriatric medicine (internal medicine) physician records with a practice address in Massachusetts. 71% 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 14% of them.
- NPI issued2006 · 14% of these records are older, 44% newer
- In a Medicare fileYes · 71% of these records are
- In the CMS Doctors and Clinicians fileNo · 53% of these records are
- Record last updated2012 · 63% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RG0300X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Geriatric Medicine (Internal Medicine) Physician providers in Massachusetts
There are 225 geriatric medicine (internal medicine) physician records in Massachusetts.
All 225 in Massachusetts → Every provider in Lynn → Geriatric Medicine (Internal Medicine) Physician nationwide →
The 8 geriatric medicine (internal medicine) physician records with the nearest ZIP codes
- Vivian Chan, M.DLynn, MA 019021316321193
- Tao Liu, M.D.Lynn, MA 019021861837890
- Eric Reines, MDLynn, MA 019011154416816
- Soumya Chandrasekaran, M.DLynn, MA 019041942484431
- Lauren Daponta, RNLynn, MA 019041336998848
- Kshitij Gupta, M.D.Wilmington, MA 018871326411232
- Kevin Ennis, M.D.Danvers, MA 019231508804725
- Marie Peloquin, MDDanvers, MA 019231669958252
Common questions
What is Joanna Duby, MD's NPI number?
Joanna Duby, MD's National Provider Identifier (NPI) is 1184602005, issued on Jan 3, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Joanna Duby, MD located?
The NPPES record lists a practice address at 37 Friend St, Lynn, MA, 01902. Phone: (781) 581-7565. Providers update this record themselves, so call before visiting.
How can I verify Joanna Duby, MD's license?
NPPES lists Massachusetts license number 15942, as entered by the provider. Search the Massachusetts Board of Registration in Medicine at https://findmydoctor.mass.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Joanna Duby, MD prescribe under Medicare Part D?
In 2024, Joanna Duby, MD had 3,583 Medicare Part D claims for 177 beneficiaries; the average among geriatric medicine (internal medicine) physician prescribers was 4,246. 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.