DANIEL O'LEARY MD
NPI 1851748685
Internal Medicine - Hematology & Oncology in Minneapolis, MN
About Daniel O'leary Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DANIEL O'LEARY MD (NPI 1851748685) is an individual hematology & oncology provider in Minneapolis, Minnesota, licensed in Minnesota (71043) and active in the NPI registry since May 2016. He is enrolled in Medicare PECOS, is affiliated with M Health Fairview Southdale Hospital, and is a graduate of University Of Minnesota Medical School (2019).
NPPES Registry Identity
Specialties & Licenses 2
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
Daniel O'leary Md 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
5Medicare enrollment records show Daniel O'leary reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Minneapolis, MN 55414
- Reassigned Medicare billing, Minnesota enrollment
- 1,453 clinicians in this Medicare group
Minneapolis, MN 55455
- Reassigned Medicare billing, Minnesota enrollment
- 3,633 clinicians in this Medicare group
Minneapolis, MN 55455
- Reassigned Medicare billing, Minnesota enrollment
- 1,662 clinicians in this Medicare group
Minneapolis, MN 55454
- Reassigned Medicare billing, Minnesota enrollment
- 2,373 clinicians in this Medicare group
Saint Paul, MN 55104
- Reassigned Medicare billing, Minnesota enrollment
- 2,361 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 2
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.
Hospital Affiliations CMS Care Compare 4
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
M Health Fairview Southdale Hospital
Acute Care Hospitals · Edina, MNM Health Fairview University Of Mn
Acute Care Hospitals · Minneapolis, MNM Health Fairview Ridges Hospital
Acute Care Hospitals · Burnsville, MNM Health Fairview St John's Hospital
Acute Care Hospitals · Maplewood, MNPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 55455 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.
MINNEAPOLIS, MN 55455
MINNEAPOLIS, MN 55455
MINNEAPOLIS, MN 55455
MINNEAPOLIS, MN 55455
MINNEAPOLIS, MN 55455
MINNEAPOLIS, MN 55455
MINNEAPOLIS, MN 55455
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 Daniel O'leary's NPI number?
The NPI number for Daniel O'leary is 1851748685. It was assigned to this individual provider in the NPPES registry on May 23, 2016.
Where is Daniel O'leary located?
Daniel O'leary practices at 420 Delaware St SE 612-626-5031, Minneapolis, MN 55455. The listed phone number is (612) 626-5031.
What is Daniel O'leary's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Hematology & Oncology, with taxonomy code 207RH0003X.
Is Daniel O'leary enrolled in Medicare?
Yes. Daniel O'leary 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 Daniel O'leary's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Daniel O'leary reassigns Medicare benefits to 5 organizations: University Of Minnesota Physicians (Minneapolis, MN), Fairview Express Care (Minneapolis, MN), University Of Minnesota Health Clinics And Surgery Center Inc (Minneapolis, MN), Fairview Specialty Services (Minneapolis, MN) and Healtheast Medical Research Institute (Saint Paul, MN). 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 Daniel O'leary's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Daniel O'leary accept?
Health plans from Sanford Health Plan list Daniel O'leary 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.
Is Daniel O'leary affiliated with any hospitals?
According to CMS data, Daniel O'leary is affiliated with M Health Fairview Southdale Hospital, M Health Fairview University Of Mn, M Health Fairview Ridges Hospital and M Health Fairview St John's Hospital.
When was this NPI record last updated?
The NPPES record for Daniel O'leary was last updated on June 13, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.
# Daniel O'leary, MD · NPI 1851748685
Hematology & Oncology physician in Minneapolis, Minnesota. Individual provider, active in the CMS NPPES registry since May 23, 2016.
## Identity
- **NPI:** 1851748685 (Entity type: Individual)
- **Enumerated:** May 23, 2016
- **Primary specialty:** Internal Medicine - Hematology & Oncology · taxonomy 207RH0003X
- **State license:** 71043 (Minnesota)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 420 DELAWARE ST SE, 612-626-5031, Minneapolis, MN 55455-0341
- **Phone:** (612) 626-5031
## 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:** 5 organizations under Medicare reassignment (form CMS-855R): University Of Minnesota Physicians (NPI 1477598118, Minneapolis, MN); Fairview Express Care (NPI 1629224258, Minneapolis, MN); University Of Minnesota Health Clinics And Surgery Center Inc (NPI 1003485004, Minneapolis, MN); Fairview Specialty Services (NPI 1043199334, Minneapolis, MN); Healtheast Medical Research Institute (NPI 1508191552, Saint Paul, MN) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Minnesota Medical School, class of 2019
## Record status
- **NPPES last updated:** June 13, 2022
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Source: [NPI Profile](https://npiprofile.com/npi/1851748685) · Data from the CMS NPPES public registry.