Aileen Ong Bacay, MD
Anatomic Pathology & Clinical Pathology Physician · Hartford, CT
Aileen Ong Bacay, MD is an anatomic pathology & clinical pathology physician with a practice address in Hartford, Connecticut, and NPI 1598724494, issued on Mar 20, 2006. Check the license (Connecticut 030324, as entered in NPPES) on the Connecticut Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Aileen Ong Bacay
- Credential
- MD
- Primary taxonomy
- Anatomic Pathology & Clinical Pathology Physician 207ZP0102X
- License number
- 030324 CT
Self-reported in NPPES; status is on the state search - Practice location
- 114 Woodland St, Hartford, CT 06105
- Phone
- (860) 714-6119
- Enumerated
- Mar 20, 2006
- Record last updated
- Nov 2, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (860) 714-8021
- Medicare enrollment
- Enrolled (PECOS I20050406001124); accepts Medicare assignment
- Entity
- Type 1 · individual
Also registered at 114 Woodland St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Louisa Acca, PA-CPhysician Assistant1679265458
- Asad Akbar, DPMPodiatrist1851978258
- Yahya Al-Mezrakchi, MDHospitalist Physician1932594603
- Nicole Alex, APRNNurse Practitioner1497424527
Verify Aileen Ong Bacay in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersConnecticut Medical Examining Board
Search for license 030324Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Industry payments in 2024: $17.85
1 payment: food and beverage; the largest payer was Tempus AI, Inc. The 2,607 providers of this specialty with any payment received $3,565.00 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
- Saint Francis Care Medical Group PCStafford Springs, CT
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Anatomic Pathology & Clinical Pathology Physician providers in Connecticut
There are 212 anatomic pathology & clinical pathology physician records in Connecticut.
Other anatomic pathology & clinical pathology physician records in Connecticut
- Evelyn Abernathy, M.D.Hartford, CT1982680195
- Rita Abi-RaadNew Haven, CT1992097273
- Aadil Ahmed, MDNew Haven, CT1407240559
- Hiba Alhumaidan, M.D.New Haven, CT1730409327
- Vicki Altmeyer, M.D.Greenwich, CT1700807898
- Thomas Anderson, M.D.Waterbury, CT1063486496
- Anica Antic, M.D.New London, CT1457678641
- Ronald Araneta, M.D.Hartford, CT1700141488
- Margaret Assaad, M.D.Hartford, CT1922030451
- Deborah August, M.D.Norwalk, CT1801871504
Common questions
What is Aileen Ong Bacay, MD's NPI number?
Aileen Ong Bacay, MD's National Provider Identifier (NPI) is 1598724494, issued on Mar 20, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Aileen Ong Bacay, MD located?
The NPPES record lists a practice address at 114 Woodland St, Hartford, CT, 06105. Phone: (860) 714-6119. Providers update this record themselves, so call before visiting.
How can I verify Aileen Ong Bacay, MD's license?
NPPES lists Connecticut license number 030324, 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.
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.