DR. MARK E DAILEY M.D.
NPI 1689600629
Internal Medicine - Hematology & Oncology in Hartford, CT
About Dr. Mark E Dailey M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. MARK E DAILEY M.D. (NPI 1689600629) is an individual hematology & oncology provider in Hartford, Connecticut, licensed in Connecticut (034547) and active in the NPI registry since June 2006. He is enrolled in Medicare PECOS and is a graduate of University Of Connecticut School Of Medicine (1988).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 3
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Dr. Mark E Dailey M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
4Medicare enrollment records show Mark Dailey reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Hartford, CT 06102
- Reassigned Medicare billing, Connecticut enrollment
- Also billed through NPI 1770696643 (Connecticut)
- 1,333 clinicians in this Medicare group
Willimantic, CT 06226
- Reassigned Medicare billing, Connecticut enrollment
- 302 clinicians in this Medicare group
New Britain, CT 06052
- Reassigned Medicare billing, Connecticut enrollment
- 745 clinicians in this Medicare group
Norwich, CT 06360
- Reassigned Medicare billing, Connecticut enrollment
- 430 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 8
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 06106 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
HARTFORD, CT 06106
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Mark Dailey's NPI number?
The NPI number for Mark Dailey is 1689600629. It was assigned to this individual provider in the NPPES registry on June 23, 2006.
Where is Mark Dailey located?
Mark Dailey practices at 85 Retreat Ave, Hartford, CT 06106. The listed phone number is (860) 249-6291.
What is Mark Dailey's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Hematology & Oncology, with taxonomy code 207RH0003X.
Is Mark Dailey enrolled in Medicare?
Yes. Mark Dailey is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Mark Dailey's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Mark Dailey reassigns Medicare benefits to 4 organizations: Hartford Hospital (Hartford, CT), Windham Community Memorial Hospital, Inc. (Willimantic, CT), The Hospital Of Central Connecticut At New Britain General And Bradley (New Britain, CT) and William W Backus Hospital (Norwich, CT). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Mark Dailey's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Mark Dailey accept?
Health plans from Anthem Blue Cross and Blue Shield list Mark Dailey as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
When was this NPI record last updated?
The NPPES record for Mark Dailey was last updated on August 7, 2012. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Dr. Mark E Dailey, M.D. · NPI 1689600629
Hematology & Oncology physician in Hartford, Connecticut. Individual provider, active in the CMS NPPES registry since June 23, 2006.
## Identity
- **NPI:** 1689600629 (Entity type: Individual)
- **Enumerated:** June 23, 2006
- **Primary specialty:** Internal Medicine - Hematology & Oncology · taxonomy 207RH0003X
- **State license:** 034547 (Connecticut)
- **Sole proprietor:** No
## Practice location
- **Address:** 85 RETREAT AVE, Hartford, CT 06106-2527
- **Phone:** (860) 249-6291 · **Fax:** (860) 728-0151
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 4 organizations under Medicare reassignment (form CMS-855R): Hartford Hospital (NPI 1407806391, Hartford, CT); Windham Community Memorial Hospital, Inc. (NPI 1023191467, Willimantic, CT); The Hospital Of Central Connecticut At New Britain General And Bradley (NPI 1063461481, New Britain, CT); William W Backus Hospital (NPI 1730243536, Norwich, CT) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Connecticut School Of Medicine, class of 1988
## Record status
- **NPPES last updated:** August 7, 2012
- **Other identifiers:** Medicaid 001345471 (CT); Medicare UPIN E95598 (CT); Medicare ID-Type Unspecified 900000017 (CT)
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Source: [NPI Profile](https://npiprofile.com/npi/1689600629) · Data from the CMS NPPES public registry.