Hilary C. Cain, MD
Critical Care Medicine (Internal Medicine) Physician · New Haven, CT
Hilary C. Cain, MD is a critical care medicine (internal medicine) physician with a practice address in New Haven, Connecticut, and NPI 1184651069, issued on Jun 27, 2006. Check the license (Connecticut 035281, as entered in NPPES) on the Connecticut Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Hilary C. Cain
- Credential
- MD
- Primary taxonomy
- Critical Care Medicine (Internal Medicine) Physician 207RC0200X
- License number
- 035281 CT
Self-reported in NPPES; status is on the state search - Practice location
- 800 Howard Ave, New Haven, CT 06519
- Phone
- (203) 785-2140
- Enumerated
- Jun 27, 2006
- Record last updated
- Sep 11, 2025
- Fax
- (203) 785-6414
- Entity
- Type 1 · individual
8 nearest critical care medicine (internal medicine) physician records → All 40 in Connecticut → Look up another NPI →
Also registered at 800 Howard Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Hilary C. Cain in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersConnecticut Medical Examining Board
Search for license 035281Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
95% fewer Medicare Part D claims than the average critical care medicine (internal medicine) physician in 2024
38 Medicare Part D claims, against an average of 696 among the 2,873 providers of this specialty who prescribed in Part D. Brand-name drugs were 76% of 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.
Hilary C. Cain among 40 critical care medicine (internal medicine) physician records in Connecticut
Hilary C. Cain, MD is one of 40 critical care medicine (internal medicine) physician records with a practice address in Connecticut. 90% 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 0% of them.
- NPI issued2006 · 0% of these records are older, 65% newer
- In a Medicare fileYes · 90% of these records are
- In the CMS Doctors and Clinicians fileNo · 88% of these records are
- Record last updated2025 · 55% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RC0200X and a Connecticut practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Critical Care Medicine (Internal Medicine) Physician providers in Connecticut
There are 40 critical care medicine (internal medicine) physician records in Connecticut.
All 40 in Connecticut → Every provider in New Haven → Critical Care Medicine (Internal Medicine) Physician nationwide →
The 8 critical care medicine (internal medicine) physician records with the nearest ZIP codes
- Mubdiul Ali, M.D.New Haven, CT 065191548528565
- Astha ChichraNew Haven, CT 065191417189218
- John Davis, M.D.New Haven, CT 065191124124144
- Seyedtaghi Takyar, M.D., PHDNew Haven, CT 065191558527424
- Felipe Lopez Gonzalez, M.D.New Haven, CT 065111043493869
- Tatsiana Palvinskaya, MDNew Haven, CT 065111427209873
- Adel Bassily-Marcus, MDNew Haven, CT 065101326014119
- Roland El Ghazal, M.D.New Haven, CT 065101649465469
Common questions
What is Hilary C. Cain, MD's NPI number?
Hilary C. Cain, MD's National Provider Identifier (NPI) is 1184651069, issued on Jun 27, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Hilary C. Cain, MD located?
The NPPES record lists a practice address at 800 Howard Ave, New Haven, CT, 06519. Phone: (203) 785-2140. Providers update this record themselves, so call before visiting.
How can I verify Hilary C. Cain, MD's license?
NPPES lists Connecticut license number 035281, 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 Hilary C. Cain, MD prescribe under Medicare Part D?
In 2024, Hilary C. Cain, MD had 38 Medicare Part D claims; the average among critical care medicine (internal medicine) physician prescribers was 696. 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.