Registry data as of Aug 27, 2026

Alla Bernshteyn, MD

Internal Medicine Physician · Wallingford, CT

Alla Bernshteyn, MD is an internal medicine physician with a practice address in Wallingford, Connecticut, and NPI 1063499507, issued on Dec 27, 2005. Check the license (Connecticut 039045, as entered in NPPES) on the Connecticut Medical Examining Board; the Medicare figures below come from public CMS files.

Record from CMS NPPES, loaded Aug 27, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1063499507
Name
Alla Bernshteyn
Credential
MD
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
039045 CT
Self-reported in NPPES; status is on the state search
Practice location
67 Masonic Ave, Wallingford, CT 06492
Phone
(203) 265-0355
Enumerated
Dec 27, 2005
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
Download card Updates feed

Also registered at 67 Masonic Ave

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Blanche Agostinelli, APRNAdult Psychiatric/Mental Health Clinical Nurse Specialist1952633703
  2. John Huang, M.D.Internal Medicine Physician1306860432
  3. Andrea Joseph, LCSWClinical Social Worker1942534045
  4. Richard Kull, M.D.Psychiatry Physician1437489663
  5. Kathryn Macary, APRNAdult Psychiatric/Mental Health Clinical Nurse Specialist1184600603
  6. Donna Mariano, APRNPrimary Care Nurse Practitioner1194749283

Verify Alla Bernshteyn in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersConnecticut Medical Examining Board
    Search for license 039045
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
Open the Connecticut license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

99% more Medicare Part D claims than the average internal medicine physician in 2024

6,331 Medicare Part D claims for 573 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims. 164 claims were for opioids.

  1. Alla Bernshteyn6,331
  2. Specialty average3,176

Most prescribed

  1. Atorvastatin Calcium520 claims
  2. Amlodipine Besylate382 claims
  3. Levothyroxine Sodium369 claims
  4. Losartan Potassium242 claims
  5. Rosuvastatin Calcium224 claims
  6. Lisinopril212 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 one group practice

  1. Prohealth Physicians PCHamden, CT

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.

32 internal medicine physician records list a practice address in Wallingford

They are 32 of the 863 NPPES records with a practice address in Wallingford, and 2,623 internal medicine physician records in Connecticut.

Other internal medicine physician records in Connecticut

  1. Hoda Abdel Salam, M.D.New Britain, CT1144509316
  2. Gada Abdelhafiz, MDNew London, CT1467649558
  3. Racha Abi Melhem, MDDerby, CT1902471352
  4. Gerard Abidor, D.O.Bridgeport, CT1518014539
  5. Lilyan AbrahamFarmington, CT1447693254
  6. Richard Abraham, M.D.Canton, CT1023044252
  7. Odaliz Abreu-Lanfranco, MDNew Haven, CT1538276134
  8. Kenneth Abriola, MDGlastonbury, CT1083693022
  9. Florentino Abueg, MDSouthbury, CT1649372558
  10. Nila Aburto, MDStamford, CT1396325718

Common questions

What is Alla Bernshteyn, MD's NPI number?

Alla Bernshteyn, MD's National Provider Identifier (NPI) is 1063499507, issued on Dec 27, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Alla Bernshteyn, MD located?

The NPPES record lists a practice address at 67 Masonic Ave, Wallingford, CT, 06492. Phone: (203) 265-0355. Providers update this record themselves, so call before visiting.

How can I verify Alla Bernshteyn, MD's license?

NPPES lists Connecticut license number 039045, as entered by the provider. Search the Connecticut Medical Examining Board at https://www.elicense.ct.gov/Lookup/LicenseLookup.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Alla Bernshteyn, MD prescribe under Medicare Part D?

In 2024, Alla Bernshteyn, MD had 6,331 Medicare Part D claims for 573 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), loaded Aug 27, 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) 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 27, 2026.