Shazneen Keyamanesh Eisner, M.D.
Internal Medicine Physician · Billerica, MA
Shazneen Keyamanesh Eisner, M.D. is an internal medicine physician with a practice address in Billerica, Massachusetts, and NPI 1306911573, issued on Nov 22, 2006. Check the license (Massachusetts 151116, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- Shazneen Keyamanesh Eisner
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 151116 MA
Self-reported in NPPES; status is on the state search - Practice location
- 505 Middlesex Tpke Unit 3, Billerica, MA 01821
- Phone
- (978) 663-3410
- Enumerated
- Nov 22, 2006
- Record last updated
- Oct 18, 2024
- Fax
- (978) 670-8110
- Medicare enrollment
- Enrolled (PECOS I20070119000225); accepts Medicare assignment
- Medical or professional school
- Medical College Of Pennsylvania, 1993
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 6,825 in Massachusetts → Look up another NPI →
Also registered at 505 Middlesex Tpke Unit 3
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Cheryl DohertyMental Health Counselor1518203041
Verify Shazneen Keyamanesh Eisner in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 151116Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
60% fewer Medicare Part D claims than the average internal medicine physician in 2024
1,268 Medicare Part D claims for 83 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 8% of claims. 12 claims were for opioids.
Most prescribed
- Lisinopril124 claims
- Metoprolol Succinate94 claims
- Atorvastatin Calcium85 claims
- Amlodipine Besylate72 claims
- Omeprazole56 claims
- Levothyroxine Sodium52 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.
Shazneen Keyamanesh Eisner among 6,825 internal medicine physician records in Massachusetts
Shazneen Keyamanesh Eisner, 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 fileYes · 60% of these records are
- Graduated1993 · median 2004 among the 4,103 with a school on file
- Record last updated2024 · 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).
7 internal medicine physician records list a practice address in Billerica
They are 7 of the 236 NPPES records with a practice address in Billerica, and 6,825 internal medicine physician records in Massachusetts.
All 6,825 in Massachusetts → Every provider in Billerica → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- David Dohan, M.D.Billerica, MA 018211336108638
- Mitchell Kase, M.D.Billerica, MA 018211497701650
- Anna Livson, M.D.Billerica, MA 018211902845993
- Daniel McCarthy, M.D.Billerica, MA 018211497792444
- Padmavati Pimrale, MDBillerica, MA 018211578550885
- Shamim Dahod, M.D.Chelmsford, MA 018241710971379
- Karen Dasilva, M.D.Chelmsford, MA 018241851364889
- Milton Drake, M.D.Chelmsford, MA 018241750354700
Common questions
What is Shazneen Keyamanesh Eisner, M.D.'s NPI number?
Shazneen Keyamanesh Eisner, M.D.'s National Provider Identifier (NPI) is 1306911573, issued on Nov 22, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Shazneen Keyamanesh Eisner, M.D. located?
The NPPES record lists a practice address at 505 Middlesex Tpke Unit 3, Billerica, MA, 01821. Phone: (978) 663-3410. Providers update this record themselves, so call before visiting.
How can I verify Shazneen Keyamanesh Eisner, M.D.'s license?
NPPES lists Massachusetts license number 151116, 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 Shazneen Keyamanesh Eisner, M.D. prescribe under Medicare Part D?
In 2024, Shazneen Keyamanesh Eisner, M.D. had 1,268 Medicare Part D claims for 83 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.