MICHAEL J O'BRIEN MD
NPI 1700858438
Pathology - Anatomic Pathology in Boston, MA

Active since February 06, 2006PECOS EnrolledAccepts Medicare Assignment
0/100
CMS Quality Rating
670 ALBANY ST, FLOOR 3, ROOM 310, BOSTON, MA 02118(617) 414-5314(617) 414-5315 Get Directions Write a Review

NPPES record last updated: October 11, 2019. Verified against the NPPES registry weekly; last sync: July 26, 2026.

About Michael J O'brien Md NPPES

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

MICHAEL J O'BRIEN MD (NPI 1700858438) is an individual anatomic pathology provider in Boston, Massachusetts, licensed in Massachusetts (40684) and active in the NPI registry since February 2006. He is enrolled in Medicare PECOS, is affiliated with Boston Medical Center, and is a graduate of Other (1971).

NPPES Registry Identity

NPI1700858438
Entity TypeIndividualMale
Primary Taxonomy207ZP0101X
Provider Legal NameMICHAEL J O'BRIENCredential: MD
Location Address670 ALBANY ST, FLOOR 3, ROOM 310Boston, MA 02118-2646
Mailing Address1085 Main StSouth Weymouth, MA 02190-1547
Fax(617) 414-5315
Sole ProprietorNo
Medical School CMSOtherGraduated 1971
Enumeration DateFebruary 6, 2006
Last NPPES UpdateOctober 11, 2019
NPI 1700858438 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyPathology · Anatomic PathologyAllopathic & Osteopathic Physicians
Taxonomy Code207ZP0101X
License Licensed in MA · 40684
Definition
A pathologist deals with the causes and nature of disease and contributes to diagnosis, prognosis and treatment through knowledge gained by the laboratory application of the biologic, chemical and physical sciences. A pathologist uses information gathered from the microscopic examination of tissue specimens, cells and body fluids, and from clinical laboratory tests on body fluids and secretions for the diagnosis, exclusion and monitoring of disease.
670 ALBANY ST, Boston, MA 02118

Other Identifiers 2

Medicaid30204395NH
Medicaid6169813MA

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 J O'brien 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.

PECOS PAC ID6002705852
PECOS Enrollment IDI20050407000271
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 3

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.

Pathology examination of tissue using a microscope, intermediate complexity 88305
A pathology examination of tissue with intermediate complexity involves studying a small sample of your body tissue under a microscope. This helps in identifying any abnormal cells or signs of disease. It's a detailed process requiring expert analysis to ensure accurate results.
2,387 services974 patients
Special stained specimen slides to examine tissue, initial procedure 88342
This procedure involves the use of specially stained slides to examine tissue samples. The initial process involves obtaining a small tissue sample from your body. This sample is then placed on a slide and stained with special dyes to highlight different structures and elements. The stained slide is then examined under a microscope to help diagnose any potential health issues.
205 services186 patients
Special stained specimen slides to examine tissue, each additional procedure 88341
Special stained specimen slides are used to analyze tissue in detail. In this process, extra procedures may be needed for a more thorough examination. These involve applying special stains to the tissue on slides, enhancing specific elements for closer study.
31 services27 patients

Hospital Affiliations CMS Care Compare

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

Boston Medical Center

Acute Care Hospitals · Boston, MA
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number220031
Location1 Boston Medical Center PlaceBoston, MA 02118 · Suffolk County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 02118 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
$144.11 typical visit price
range $63.72 – $189.86
Typical copayment $36.02 (range $15.93 – $47.46)
Most-billed visit code 99204
Established Patient
$111.18 typical visit price
range $21.07 – $155.29
Typical copayment $27.79 (range $5.26 – $38.82)
Most-billed visit code 99214
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.

0/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Individually scored
Quality0
Improvement Activities0

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.

Psychiatry & Neurology (Psychiatry)
670 ALBANY ST
BOSTON, MA 02118
Pathology (Anatomic Pathology & Clinical Pathology)
670 ALBANY ST
BOSTON, MA 02118
Pathology (Hematology)
670 ALBANY ST, 3RD FLOOR
BOSTON, MA 02118
Pathology (Clinical Pathology/Laboratory Medicine)
670 ALBANY ST, 3RD FLOOR
BOSTON, MA 02118
Pediatrics (Pediatric Infectious Diseases)
670 ALBANY ST
BOSTON, MA 02118
Pathology (Anatomic Pathology & Clinical Pathology)
670 ALBANY ST, 3RD FLOOR
BOSTON, MA 02118
Pathology (Anatomic Pathology & Clinical Pathology)
670 ALBANY ST, BIOSQUARE III, 3RD FLOOR, 304
BOSTON, MA 02118
Pathology (Anatomic Pathology)
670 ALBANY ST, SUITE 304
BOSTON, MA 02118

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 1700858438. It was assigned to this individual provider in the NPPES registry on February 6, 2006.

Where is Michael O'brien located?

Michael O'brien practices at 670 Albany St Floor 3, Room 310, Boston, MA 02118. The listed phone number is (617) 414-5314.

What is Michael O'brien's specialty?

The primary specialty registered for this NPI is Pathology, specializing in Anatomic Pathology, with taxonomy code 207ZP0101X.

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 Boston Medical Center.

When was this NPI record last updated?

The NPPES record for Michael O'brien was last updated on October 11, 2019. NPI Profile syncs with the weekly NPPES data releases published by CMS.