Lewis S. Hays, M.D.
Internal Medicine Physician · Lynn, MA
Lewis S. Hays, M.D. is an internal medicine physician with a practice address in Lynn, Massachusetts, and NPI 1619070711, issued on Sep 6, 2006. Check the license (Massachusetts 48518, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- Lewis S. Hays
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 48518 MA
Self-reported in NPPES; status is on the state search - Practice location
- 210 Market St, Lynn, MA 01901
- Phone
- (781) 244-1192
- Enumerated
- Sep 6, 2006
- Record last updated
- May 7, 2015 (not updated in 11 years: call before relying on the address or phone)
- Fax
- (781) 598-3571
- Medicaid ID
- 0174904 MA
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 6,825 in Massachusetts → Look up another NPI →
Also registered at 210 Market St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Susan Gigliotti, LICSWClinical Social Worker1225510803
Verify Lewis S. Hays in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 48518Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
59% fewer Medicare Part D claims than the average internal medicine physician in 2024
1,312 Medicare Part D claims for 31 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 5% of claims. 54 claims were for opioids.
Most prescribed
- Trazodone Hcl131 claims
- Quetiapine Fumarate76 claims
- Mirtazapine60 claims
- Divalproex Sodium53 claims
- Methadone Hcl50 claims
- Lisinopril42 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.
Lewis S. Hays among 6,825 internal medicine physician records in Massachusetts
Lewis S. Hays, 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 2006, is newer than 12% of them.
- NPI issued2006 · 12% of these records are older, 54% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileNo · 60% of these records are
- Record last updated2015 · 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).
19 internal medicine physician records list a practice address in Lynn
They are 19 of the 2,030 NPPES records with a practice address in Lynn, and 6,825 internal medicine physician records in Massachusetts.
All 6,825 in Massachusetts → Every provider in Lynn → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Alexandre Alexeyenko, M.D.Lynn, MA 019011568464279
- Marianne BauerLynn, MA 019011902216021
- Hanna Haptu, MDLynn, MA 019011851494892
- Julia Khudisman, RNLynn, MA 019011245456052
- Patrick Lee, M.D.Lynn, MA 019011740208164
- Annalee Wells, D.O.Lynn, MA 019011154564060
- Laura Beeghly, MDLynn, MA 019041215988100
- Edward Braun, MDLynn, MA 019041003862798
Common questions
What is Lewis S. Hays, M.D.'s NPI number?
Lewis S. Hays, M.D.'s National Provider Identifier (NPI) is 1619070711, issued on Sep 6, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Lewis S. Hays, M.D. located?
The NPPES record lists a practice address at 210 Market St, Lynn, MA, 01901. Phone: (781) 244-1192. Providers update this record themselves, so call before visiting.
How can I verify Lewis S. Hays, M.D.'s license?
NPPES lists Massachusetts license number 48518, 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 Lewis S. Hays, M.D. prescribe under Medicare Part D?
In 2024, Lewis S. Hays, M.D. had 1,312 Medicare Part D claims for 31 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.