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MICHAEL O'BRIEN PA
NPI 1922625185
Physician Assistant in Florence, MA

Active since July 02, 2020PECOS EnrolledAccepts Medicare Assignment
94.62/100
CMS Quality Rating
70 ACREBROOK DR, FLORENCE, MA 01062(413) 210-8823 Get Directions Write a Review

NPPES record last updated: September 10, 2025. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Sep 10, 2025, Jun 13, 2025, Jun 23, 2024 and 5 more (8 updates tracked since 2020).

About Michael O'brien Pa NPPES

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

MICHAEL O'BRIEN PA (NPI 1922625185) is an individual physician assistant in Florence, Massachusetts, licensed in Massachusetts (PA100930) and active in the NPI registry since July 2020. He is enrolled in Medicare PECOS, is affiliated with Westchester Medical Center, and is a graduate of Other (2020).

NPPES Registry Identity

NPI1922625185
Entity TypeIndividualMale
Primary Taxonomy363A00000X
Provider Legal NameMICHAEL O'BRIENCredential: PA
Location Address70 ACREBROOK DRFlorence, MA 01062-3421
Mailing Address70 Acrebrook DrFlorence, MA 01062-3421 · (413) 210-8823
Phone(413) 210-8823
Sole ProprietorYes
Medical School CMSOtherGraduated 2020
Enumeration DateJuly 2, 2020
Last NPPES UpdateSeptember 10, 20258 updates tracked since enumeration
NPPES CertifiedSeptember 10, 2025
✔ NPI 1922625185 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPhysician AssistantPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363A00000X
Licenses✔ Licensed in MA · PA100930✔ Licensed in DC · PA200001682✔ Licensed in NY · 031368✔ Licensed in IL · 085010117✔ Licensed in IA · 123128✔ Licensed in MI · 5601012132✔ Licensed in MO · 2023043567✔ Licensed in MD · C08887✔ Licensed in CT · 7143✔ Licensed in CA · PA58546
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.

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

Michael O'brien Pa 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 ID5799105276
PECOS Enrollment IDI20240916000233
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 4

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.

Emergency department visit with high level of medical decision making 99285
An emergency department visit for severe conditions is when you urgently seek medical help due to serious health issues. These could be severe injuries, breathing problems, unbearable pain, or sudden severe illness. Doctors and nurses will provide immediate care to stabilize your condition.
116 services115 patients
Emergency department visit with moderate level of medical decision making 99284
An emergency department visit for a high-severity issue means you're experiencing a serious health problem that needs immediate attention. This could be a severe injury, serious illness, or life-threatening condition. Medical professionals will provide urgent care to stabilize your condition.
112 services104 patients
Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 93010
A routine electrocardiogram (ECG) with 12 leads is a simple, non-invasive test that records the electrical activity of your heart. It helps in identifying heart conditions by detecting irregularities in your heart rhythms. The results are interpreted and a report is provided.
13 services13 patients
Emergency department visit with low level of medical decision making 99283
An emergency department visit for a problem of moderate severity involves immediate medical attention for issues like minor fractures, burns, or high fever. The healthcare team will assess your condition, provide necessary treatment, and may suggest further tests or admission if required.
11 services11 patients

Hospital Affiliations CMS Care Compare

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

Westchester Medical Center

Acute Care Hospitals · Valhalla, NY
1/5 CMS rating
OwnershipVoluntary non-profit - Other
CMS Certification Number330234
Location100 Woods RdValhalla, NY 10595 · Westchester County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 01062 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.

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.

94.62/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality76.67
Improvement Activities40
Cost97.14

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 Michael O'brien's NPI number?

The NPI number for Michael O'brien is 1922625185. It was assigned to this individual provider in the NPPES registry on July 2, 2020.

Where is Michael O'brien located?

Michael O'brien practices at 70 Acrebrook Dr, Florence, MA 01062. The listed phone number is (413) 210-8823.

What is Michael O'brien's specialty?

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

Is Michael O'brien enrolled in Medicare?

Yes. Michael O'brien 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.

Is Michael O'brien affiliated with any hospitals?

According to CMS data, Michael O'brien is affiliated with Westchester Medical Center.

When was this NPI record last updated?

The NPPES record for Michael O'brien was last updated on September 10, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 months 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.