Christopher Louis Yambay, MD
Internal Medicine Physician · Danbury, CT
Christopher Louis Yambay, MD is an internal medicine physician with a practice address in Danbury, Connecticut, and NPI 1790027373, issued on Mar 21, 2013. Check the license (Connecticut 0055036, as entered in NPPES) on the Connecticut Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Christopher Louis Yambay
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 0055036 CT
Self-reported in NPPES; status is on the state search - Practice location
- 57 North St, Danbury, CT 06810
- Phone
- (203) 743-0100
- Enumerated
- Mar 21, 2013
- Record last updated
- Jun 23, 2016 (not updated in 10 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 2,623 in Connecticut → Look up another NPI →
Also registered at 57 North St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Christopher Louis Yambay in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersConnecticut Medical Examining Board
Search for license 0055036Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
96% fewer Medicare Part D claims than the average internal medicine physician in 2024
137 Medicare Part D claims for 30 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.
Most prescribed
- Atorvastatin Calcium14 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.
Christopher Louis Yambay among 2,623 internal medicine physician records in Connecticut
Christopher Louis Yambay, MD is one of 2,623 internal medicine physician records with a practice address in Connecticut. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2013, is newer than 70% of them.
- NPI issued2013 · 70% of these records are older, 28% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileNo · 63% of these records are
- Record last updated2016 · 61% 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 Connecticut practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
112 internal medicine physician records list a practice address in Danbury
They are 112 of the 2,412 NPPES records with a practice address in Danbury, and 2,623 internal medicine physician records in Connecticut.
All 2,623 in Connecticut → Every provider in Danbury → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Alka Aggarwal, MDDanbury, CT 068101427041987
- Charles Cahn, M.D.Danbury, CT 068101720064504
- Karen Coblens, MDDanbury, CT 068101063479848
- Allen Davis, M.D.Danbury, CT 068101639163439
- Amin Elashker, DODanbury, CT 068101093794182
- Sateesh Kathiravelu, M.D.Danbury, CT 068101083665244
- Asha Marhatta, MD; MPHDanbury, CT 068101366490013
- Kathleen Mauks, M.D.Danbury, CT 068101629064035
Common questions
What is Christopher Louis Yambay, MD's NPI number?
Christopher Louis Yambay, MD's National Provider Identifier (NPI) is 1790027373, issued on Mar 21, 2013. An NPI identifies a provider in billing; it is not a license.
Where is Christopher Louis Yambay, MD located?
The NPPES record lists a practice address at 57 North St, Danbury, CT, 06810. Phone: (203) 743-0100. Providers update this record themselves, so call before visiting.
How can I verify Christopher Louis Yambay, MD's license?
NPPES lists Connecticut license number 0055036, 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 Christopher Louis Yambay, MD prescribe under Medicare Part D?
In 2024, Christopher Louis Yambay, MD had 137 Medicare Part D claims for 30 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.