Michael Lewin, MD
Allergy & Immunology Physician · Norwalk, CT
Michael Lewin, MD is an allergy & immunology physician with a practice address in Norwalk, Connecticut, and NPI 1538100557, issued on Jun 9, 2006. Check the license on the Connecticut Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Michael Lewin
- Credential
- MD
- Primary taxonomy
- Allergy & Immunology Physician 207K00000X
- License number
- 130048 NY
Self-reported in NPPES; status is on the state search - Practice location
- 70 New Canaan Ave Ste 2NW, Norwalk, CT 06850
- Phone
- (203) 229-1212
- Enumerated
- Jun 9, 2006
- Record last updated
- Oct 6, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (203) 229-1214
- Entity
- Type 1 · individual
8 nearest allergy & immunology physician records → All 57 in Connecticut → Look up another NPI →
Verify Michael Lewin in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersConnecticut Medical Examining BoardCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
85% fewer Medicare Part D claims than the average allergy & immunology physician in 2024
109 Medicare Part D claims for 18 beneficiaries, against an average of 741 among the 2,899 providers of this specialty who prescribed in Part D. Brand-name drugs were 53% of claims.
Most prescribed
- Montelukast Sodium25 claims
- Albuterol Sulfate Hfa17 claims
- Symbicort16 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.
Industry payments in 2024: $58.77
3 payments; by number, the most common kind was food and beverage; the largest payer was kaleo, Inc. The 2,496 providers of this specialty with any payment received $8,321.81 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Michael Lewin among 57 allergy & immunology physician records in Connecticut
Michael Lewin, MD is one of 57 allergy & immunology physician records with a practice address in Connecticut. 79% 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 19% of them.
- NPI issued2006 · 19% of these records are older, 42% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileNo · 61% of these records are
- Record last updated2021 · 65% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207K00000X and a Connecticut practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Allergy & Immunology Physician providers in Connecticut
There are 57 allergy & immunology physician records in Connecticut.
All 57 in Connecticut → Every provider in Norwalk → Allergy & Immunology Physician nationwide →
The 8 allergy & immunology physician records with the nearest ZIP codes
- Kaoru Harada, M.D.Norwalk, CT 068511215383864
- Philip Hemmers, D.O.Norwalk, CT 068511386700854
- Mark Litchman, MDNorwalk, CT 068511447341243
- Aymeric Louit, MDNorwalk, CT 068511881744456
- Agnieszka Matczuk, MDNorwalk, CT 068511467436733
- Joseph Sproviero, MD PHDNorwalk, CT 068511780775577
- Gary Soffer, MDGreenwich, CT 068301477991867
- Aimee Altschul-Latzman, M.D.Fairfield, CT 068241003855859
Common questions
What is Michael Lewin, MD's NPI number?
Michael Lewin, MD's National Provider Identifier (NPI) is 1538100557, issued on Jun 9, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Michael Lewin, MD located?
The NPPES record lists a practice address at 70 New Canaan Ave Ste 2NW, Norwalk, CT, 06850. Phone: (203) 229-1212. Providers update this record themselves, so call before visiting.
How can I verify Michael Lewin, MD's license?
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 Michael Lewin, MD prescribe under Medicare Part D?
In 2024, Michael Lewin, MD had 109 Medicare Part D claims for 18 beneficiaries; the average among allergy & immunology physician prescribers was 741. 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.