Zain A. Husain, MD
Radiation Oncology Physician · New Haven, CT
Zain A. Husain, MD is a radiation oncology physician with a practice address in New Haven, Connecticut, and NPI 1134389141, issued on Jun 12, 2008. Check the license (Connecticut 1.050896, as entered in NPPES) on the Connecticut Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Zain A. Husain
- Credential
- MD
- Primary taxonomy
- Radiation Oncology Physician 2085R0001X
- License number
- 1.050896 CT
Self-reported in NPPES; status is on the state search - Practice location
- 333 Cedar St, New Haven, CT 06510
- Phone
- (203) 785-2956
- Enumerated
- Jun 12, 2008
- Record last updated
- Sep 21, 2023
- Medicare enrollment
- Enrolled (PECOS I20221108001771); accepts Medicare assignment
- Medical or professional school
- University Of California, Irvine, California College Of Medicine, 2007
- Entity
- Type 1 · individual
8 nearest radiation oncology physician records → All 82 in Connecticut → Look up another NPI →
Also registered at 333 Cedar St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Zain A. Husain in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersConnecticut Medical Examining Board
Search for license 1.050896Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
31% fewer Medicare Part D claims than the average radiation oncology physician in 2024
92 Medicare Part D claims for 41 beneficiaries, against an average of 134 among the 4,851 providers of this specialty who prescribed in Part D.
Most prescribed
- Mesalamine14 claims
- Bicalutamide13 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: $13,755.22
7 payments; by number, the most common kind was food and beverage; the largest payer was Emd Serono, Inc. The 3,275 providers of this specialty with any payment received $1,897.85 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.
Bills Medicare through one group practice
- Southern California Permanente Medical GroupOntario, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Zain A. Husain among 82 radiation oncology physician records in Connecticut
Zain A. Husain, MD is one of 82 radiation oncology physician records with a practice address in Connecticut. 93% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2008, is newer than 45% of them.
- NPI issued2008 · 45% of these records are older, 44% newer
- In a Medicare fileYes · 93% of these records are
- In the CMS Doctors and Clinicians fileYes · 79% of these records are
- Graduated2007 · median 2007 among the 64 with a school on file
- Record last updated2023 · 66% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2085R0001X and a Connecticut practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Radiation Oncology Physician providers in Connecticut
There are 82 radiation oncology physician records in Connecticut.
All 82 in Connecticut → Every provider in New Haven → Radiation Oncology Physician nationwide →
The 8 radiation oncology physician records with the nearest ZIP codes
- Yi An, MDNew Haven, CT 065101669714739
- Ranjit Bindra, M.D., PH.D.New Haven, CT 065101326206855
- Joseph Contessa, M.D., PH.D.New Haven, CT 065101639298318
- Peter Glazer, MDNew Haven, CT 065101396734166
- Susan Higgins, MDNew Haven, CT 065101962485987
- Nadine Housri, MDNew Haven, CT 065101467756189
- Kimberly Johung, M.D. PH.DNew Haven, CT 065101255505178
- Aparna Kesarwala, M.D., PH.D.New Haven, CT 065101235399692
Common questions
What is Zain A. Husain, MD's NPI number?
Zain A. Husain, MD's National Provider Identifier (NPI) is 1134389141, issued on Jun 12, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Zain A. Husain, MD located?
The NPPES record lists a practice address at 333 Cedar St, New Haven, CT, 06510. Phone: (203) 785-2956. Providers update this record themselves, so call before visiting.
How can I verify Zain A. Husain, MD's license?
NPPES lists Connecticut license number 1.050896, 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 Zain A. Husain, MD prescribe under Medicare Part D?
In 2024, Zain A. Husain, MD had 92 Medicare Part D claims for 41 beneficiaries; the average among radiation oncology physician prescribers was 134. 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.