DANIEL O'LEARY
NPI 1255778551
Physician Assistant in Leominster, MA

Active since May 28, 2013PECOS EnrolledAccepts Medicare Assignment
100 HOSPITAL RD STE 3C, LEOMINSTER, MA 01453(978) 534-6333 Get Directions Write a Review

NPPES record last updated: September 7, 2022. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Sep 7, 2022, Aug 31, 2022 (2 updates tracked since 2022).

About Daniel O'leary NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DANIEL O'LEARY (NPI 1255778551) is an individual physician assistant in Leominster, Massachusetts and active in the NPI registry since May 2013. He is enrolled in Medicare PECOS, is affiliated with Umass Memorial Healthalliance Hospitals, and is a graduate of Other (2012).

NPPES Registry Identity

NPI1255778551
Entity TypeIndividualMale
Primary Taxonomy363A00000X
Provider Legal NameDANIEL O'LEARY
Location Address100 HOSPITAL RD STE 3CLeominster, MA 01453-2253
Mailing Address100 Hospital Rd Ste 100Leominster, MA 01453-2253 · (978) 534-6333
Sole ProprietorNo
Medical School CMSOtherGraduated 2012
Enumeration DateMay 28, 2013
Last NPPES UpdateSeptember 7, 20222 updates tracked since enumeration
NPPES CertifiedSeptember 7, 2022
NPI 1255778551 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyPhysician AssistantPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363A00000X
Definition
A physician assistant is a person who has successfully completed an accredited education program for physician assistant, is licensed by the state and is practicing within the scope of that license. Physician assistants are formally trained to perform many of the routine, time-consuming tasks a physician can do. In some states, they may prescribe medications. They take medical histories, perform physical exams, order lab tests and x-rays, and give inoculations. Most states require that they work under the supervision of a physician.
Also ListedPhysician Assistant · SurgicalTaxonomy 363AS0400X
100 HOSPITAL RD STE 3C, Leominster, MA 01453

Other Identifiers 1

Medicaid110125432AMA

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Daniel O'leary 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.

PECOS PAC ID4183866619
PECOS Enrollment IDI20150422000310
Eligible to Order & Refer Part B Labs & Imaging Durable Medical Equipment Home Health Agency Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

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.

Injection, triamcinolone acetonide, not otherwise specified, 10 mg J3301
Triamcinolone acetonide is a medication used to reduce inflammation in the body. It's given as a 10 mg injection for conditions like allergies, arthritis, or skin problems. The injection helps to decrease swelling, redness, and itching.
508 services71 patients
Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
167 services103 patients
Aspiration and/or injection of fluid from large joint 20610
This procedure involves using a needle to remove (aspiration) or introduce (injection) fluid into a large joint like the knee or hip. It can help diagnose conditions, relieve discomfort, or deliver medication directly to the joint.
97 services68 patients
New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more 99203
This service involves an initial office or outpatient visit for a new patient. The healthcare professional will spend 30-44 minutes understanding your health history, current issues, and discussing possible treatment plans. It's a comprehensive evaluation to start your healthcare journey.
66 services66 patients
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 99222
Initial hospital inpatient care is a service where a healthcare provider spends about 50 minutes per day overseeing your care while you're admitted in the hospital. This includes reviewing your health status, planning your treatment, and ensuring your safety and comfort.
59 services57 patients
Replacement of knee joint, both sides of knee 27447
A bilateral knee joint replacement is a procedure where the damaged parts of both your knee joints are replaced with artificial parts. It aims to relieve pain and improve mobility. The process involves a surgical operation under anesthesia.
55 services54 patients

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Umass Memorial Healthalliance Hospitals

Acute Care Hospitals · Leominster, MA
2/5 CMS rating
OwnershipVoluntary non-profit - Other
CMS Certification Number220001
Location60 Hospital RoadLeominster, MA 01453 · Worcester County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 01453 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$90.70 typical visit price
range $58.86 – $177.36
Typical copayment $22.67 (range $14.71 – $44.34)
Most-billed visit code 99203
Established Patient
$73.22 typical visit price
range $19.11 – $144.84
Typical copayment $18.30 (range $4.77 – $36.21)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 3

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Orthopaedic Surgery
100 HOSPITAL RD STE 3C
LEOMINSTER, MA 01453
Orthopaedic Surgery
100 HOSPITAL RD STE 3C
LEOMINSTER, MA 01453
Orthopaedic Surgery
100 HOSPITAL RD STE 3C
LEOMINSTER, MA 01453

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 1255778551. It was assigned to this individual provider in the NPPES registry on May 28, 2013.

Where is Daniel O'leary located?

Daniel O'leary practices at 100 Hospital Rd Ste 3C, Leominster, MA 01453. The listed phone number is (978) 534-6333.

What is Daniel O'leary's specialty?

The primary specialty registered for this NPI is Physician Assistant with taxonomy code 363A00000X.

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.

What insurance does Daniel O'leary accept?

Health plans from Anthem Blue Cross and Blue Shield 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 Umass Memorial Healthalliance Hospitals.

When was this NPI record last updated?

The NPPES record for Daniel O'leary was last updated on September 7, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.