Melissa Mazzini Zorn, M.D.
Internal Medicine Physician · Wilmington, MA
Melissa Mazzini Zorn, M.D. is an internal medicine physician with a practice address in Wilmington, Massachusetts, and NPI 1295717114, issued on Nov 16, 2005. Check the license (Massachusetts 213171, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- Melissa Mazzini Zorn
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 213171 MA
Self-reported in NPPES; status is on the state search - Practice location
- 500 Salem St, Wilmington, MA 01887
- Phone
- (978) 988-9255
- Enumerated
- Nov 16, 2005
- Record last updated
- Jun 5, 2012 (not updated in 14 years: call before relying on the address or phone)
- Fax
- (978) 694-9675
- Medicaid ID
- 0176061 MA
- Medicare enrollment
- Enrolled (PECOS I20110413000830); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 6,825 in Massachusetts → Look up another NPI →
Also registered at 500 Salem St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Sara Barnes, AU.D.Audiologist-Hearing Aid Fitter1326398207
- Daniel Carson, MDPediatrics Physician1801887211
- Pamela Cote, R.D.,C.D.E.,L.D.Registered Dietitian1073637393
- Jessica Delaney-Sloper, ANPAdult Health Nurse Practitioner1992944995
- Haley Govoni, NPFamily Nurse Practitioner1679031959
Verify Melissa Mazzini Zorn in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 213171Check 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% more Medicare Part D claims than the average internal medicine physician in 2024
3,690 Medicare Part D claims for 395 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims. 103 claims were for opioids.
Most prescribed
- Atorvastatin Calcium344 claims
- Metoprolol Succinate170 claims
- Lisinopril127 claims
- Amlodipine Besylate115 claims
- Levothyroxine Sodium110 claims
- Simvastatin103 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.
The MIPS final score for 2023 (Medicare payment program): 91.4 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- Beth Israel Lahey Health Primary Care, IncSouth Hamilton, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Melissa Mazzini Zorn among 6,825 internal medicine physician records in Massachusetts
Melissa Mazzini Zorn, M.D. is one of 6,825 internal medicine physician records with a practice address in Massachusetts. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 88% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 60% of these records are
- Graduated1998 · median 2004 among the 4,103 with a school on file
- Record last updated2012 · 64% 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 Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
15 internal medicine physician records list a practice address in Wilmington
They are 15 of the 443 NPPES records with a practice address in Wilmington, and 6,825 internal medicine physician records in Massachusetts.
All 6,825 in Massachusetts → Every provider in Wilmington → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Josephine Albano, MDWilmington, MA 018871215991526
- Joseph Costagliola, M.D.Wilmington, MA 018871972507242
- Kristen Ghergurovich, M.D.Wilmington, MA 018871386626125
- Theodore Guldemond, M.D.Wilmington, MA 018871598721524
- Neeti Jha, M.D.Wilmington, MA 018871184843559
- Janet Mayne, D.N.P.Wilmington, MA 018871720061161
- Lillian Moy-Yee, M.D.Wilmington, MA 018871730162181
- Loubna Rabbouh, MDWilmington, MA 018871689269185
Common questions
What is Melissa Mazzini Zorn, M.D.'s NPI number?
Melissa Mazzini Zorn, M.D.'s National Provider Identifier (NPI) is 1295717114, issued on Nov 16, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Melissa Mazzini Zorn, M.D. located?
The NPPES record lists a practice address at 500 Salem St, Wilmington, MA, 01887. Phone: (978) 988-9255. Providers update this record themselves, so call before visiting.
How can I verify Melissa Mazzini Zorn, M.D.'s license?
NPPES lists Massachusetts license number 213171, 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 Melissa Mazzini Zorn, M.D. prescribe under Medicare Part D?
In 2024, Melissa Mazzini Zorn, M.D. had 3,690 Medicare Part D claims for 395 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
What is Melissa Mazzini Zorn, M.D.'s MIPS final score?
The 2023 MIPS final score is 91.4 of 100. The average among 454,083 clinicians with a measured score was 83.5.
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.