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MS. MARGARET THERESA O'CONNOR APRN BC
NPI 1922216415
Nurse Practitioner - Adult Health in Boston, MA

Active since May 18, 2007PECOS EnrolledAccepts Medicare Assignment
750 WASHINGTON STREET, NEMC GMA BOX 398, BOSTON, MA 02111(617) 636-7889(617) 636-6403 Get Directions Write a Review

NPPES record last updated: March 3, 2011. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Ms. Margaret Theresa O'connor Aprn Bc NPPES

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

MS. MARGARET THERESA O'CONNOR APRN BC (NPI 1922216415) is an individual adult health provider in Boston, Massachusetts, licensed in Massachusetts (RN 155860 NP) and active in the NPI registry since May 2007. She is enrolled in Medicare PECOS, is affiliated with Tufts Medical Center, and is a graduate of Other (1996).

NPPES Registry Identity

NPI1922216415
Entity TypeIndividualFemale
Primary Taxonomy363LA2200X
Provider Legal NameMS. MARGARET THERESA O'CONNORCredential: APRN BC
Location Address750 WASHINGTON STREET, NEMC GMA BOX 398Boston, MA 02111-1526
Mailing Address54 Bowdoin StQuincy, MA 02171-2832 · (617) 786-8642
Phone(617) 636-7889
Fax(617) 636-6403
Sole ProprietorNo
Medical School CMSOtherGraduated 1996
Enumeration DateMay 18, 2007
Last NPPES UpdateMarch 3, 2011
✔ NPI 1922216415 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · Adult HealthPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LA2200X
License✔ Licensed in MA · RN 155860 NP
750 WASHINGTON STREET, Boston, MA 02111
Open in Google Maps ↗

Other Identifiers 1

Medicare ID-Type UnspecifiedNP 1478 MAMA

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Anthem Blue Cross and Blue Shield.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

Ms. Margaret Theresa O'connor Aprn Bc 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 ID5698794535
PECOS Enrollment IDI20051121000277
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.

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
192 services142 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.
29 services25 patients
Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215
This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.
27 services27 patients

Hospital Affiliations CMS Care Compare

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

Tufts Medical Center

Acute Care Hospitals · Boston, MA
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number220116
Location800 Washington StreetBoston, MA 02111 · Suffolk County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 02111 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
$97.64 typical visit price
range $63.72 – $189.86
Typical copayment $24.41 (range $15.93 – $47.46)
Most-billed visit code 99203
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.

Other Providers at the Same Location NPPES 13

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

DR. DHUA SHAHEEN MD
Internal Medicine (Endocrinology, Diabetes & Metabolism)
750 WASHINGTON STREET
BOSTON, MA 02111
Suffolk County (617) 636-8931
MR. JOSEPH FRANCIS CREEDON JR. PA-C
Physician Assistant (Medical)
750 WASHINGTON STREET, TUFTS MEDICAL CENTER, DEPT OF EMERGENCY MEDICINE
BOSTON, MA 02111
Suffolk County (617) 636-4720
ANAHID M MIKIRDITSIAN M.D.
Internal Medicine
750 WASHINGTON STREET, TUFTS - NEW ENGLAND MEDICAL CENTER
BOSTON, MA 02111
Suffolk County (617) 636-5114
LAWRENCE C WOLFE M.D.
Pediatrics (Pediatric Hematology-Oncology)
750 WASHINGTON STREET, BOX 14, NEMC
BOSTON, MA 02111
Suffolk County (617) 636-5535
BRIAN F. GILCHRIST MD
Surgery (Pediatric Surgery)
750 WASHINGTON STREET, THE FLOATING HOSPITAL FOR CHILDREN
BOSTON, MA 02111
Suffolk County (617) 636-5025
AMIR HOOTAN DARVISH MD
Emergency Medicine
750 WASHINGTON STREET, DEPT OF EMERGENCY MEDICINE
BOSTON, MA 02111
Suffolk County (617) 636-4720
ROBERT O BLAUSTEIN M.D.
Internal Medicine (Cardiovascular Disease)
750 WASHINGTON STREET, TUFTS- NEMC
BOSTON, MA 02111
Suffolk County (617) 636-1329
DR. JEFFREY KENNEDY GRIFFITHS MD MPH&TM
Pediatrics
750 WASHINGTON STREET
BOSTON, MA 02111
Suffolk County (617) 636-6941

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 Margaret O'connor's NPI number?

The NPI number for Margaret O'connor is 1922216415. It was assigned to this individual provider in the NPPES registry on May 18, 2007.

Where is Margaret O'connor located?

Margaret O'connor practices at 750 Washington Street Nemc Gma Box 398, Boston, MA 02111. The listed phone number is (617) 636-7889.

What is Margaret O'connor's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Adult Health, with taxonomy code 363LA2200X.

Is Margaret O'connor enrolled in Medicare?

Yes. Margaret O'connor 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 Margaret O'connor accept?

Health plans from Anthem Blue Cross and Blue Shield list Margaret O'connor 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 Margaret O'connor affiliated with any hospitals?

According to CMS data, Margaret O'connor is affiliated with Tufts Medical Center.

When was this NPI record last updated?

The NPPES record for Margaret O'connor was last updated on March 3, 2011. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 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.