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THAO THACH O'CONNOR C-FNP
NPI 1124312350
Nurse Practitioner - Family in Boston, MA

Active since June 06, 2011PECOS EnrolledAccepts Medicare Assignment
50 STANIFORD ST, SUITE 340, BOSTON, MA 02114(617) 726-8722(617) 726-6781 Get Directions Write a Review

NPPES record last updated: May 28, 2014. Verified against the NPPES registry weekly; last sync: July 19, 2026.

About Thao Thach O'connor C-fnp NPPES

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

THAO THACH O'CONNOR C-FNP (NPI 1124312350) is an individual family provider in Boston, Massachusetts, licensed in Massachusetts (RN252917) and active in the NPI registry since June 2011. She is enrolled in Medicare PECOS, is affiliated with North Shore Medical Center -, and is a graduate of Other (2008).

NPPES Registry Identity

NPI1124312350
Entity TypeIndividualFemale
Primary Taxonomy363LF0000X
Provider Legal NameTHAO THACH O'CONNORCredential: C-FNP
Location Address50 STANIFORD ST, SUITE 340Boston, MA 02114-2517
Mailing Address50 Staniford St, Suite 340Boston, MA 02114-2517 · (617) 726-8722 · Fax (617) 726-6781
Phone(617) 726-8722
Fax(617) 726-6781
Sole ProprietorNo
Medical School CMSOtherGraduated 2008
Enumeration DateJune 6, 2011
Last NPPES UpdateMay 28, 2014
✔ NPI 1124312350 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · FamilyPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LF0000X
License✔ Licensed in MA · RN252917
50 STANIFORD ST, Boston, MA 02114
Open in Google Maps ↗

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

Thao Thach O'connor C-fnp 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 ID3870763345
PECOS Enrollment IDI20110819000510
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 7

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.

Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 99231
Follow-up hospital inpatient care is a daily service where a healthcare professional checks on your health progress during your hospital stay. Each session typically lasts 15 minutes, involving updates on your condition and adjustments to your treatment plan, if necessary.
195 services85 patients
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232
Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.
147 services89 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.
48 services36 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.
45 services44 patients
Telephone medical discussion with physician, 21-30 minutes 99443
This service involves a 21-30 minute phone conversation with a physician. It's a chance for you to discuss your health concerns, symptoms or treatment plans. It's similar to an in-person consultation, but conducted over the phone for your convenience and safety.
38 services31 patients
Hemoglobin a1c level 83036
Hemoglobin A1c (HbA1c) is a test that measures your average blood sugar level over the past 2-3 months. It's used to monitor how well diabetes is being controlled. High levels may indicate that your diabetes treatment plan needs adjustment.
18 services15 patients

Hospital Affiliations CMS Care Compare 2

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

North Shore Medical Center -

Acute Care Hospitals · Salem, MA
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number220035
Location81 Highland AvenueSalem, MA 01970 · Essex County
Emergency services Birthing friendly

Massachusetts General Hospital

Acute Care Hospitals · Boston, MA
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number220071
Location55 Fruit StreetBoston, MA 02114 · Suffolk County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 02114 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.

Referred Medical Equipment & Supplies CMS DME claims

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Blood glucose test or reagent strips for home blood glucose monitor, per 50 strips A4253
DME-Other DME · category DE017N
7 suppliers11 claims30 services$6.52 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

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.

DR. ALBERT S YEUNG MD
Psychiatry & Neurology (Psychiatry)
50 STANIFORD ST, SUITE 401 S50 401
BOSTON, MA 02114
Suffolk County (617) 726-5138
DR. JOHN NADAI MD
Internal Medicine
50 STANIFORD ST, 4TH FLOOR
BOSTON, MA 02114
Suffolk County (617) 726-4400
DR. KATHLEEN MARY FINN MD
Internal Medicine
50 STANIFORD ST, SUITE 503B
BOSTON, MA 02114
Suffolk County (617) 643-4053
DR. ALBERT R FREDERICK JR. MD
Ophthalmology
50 STANIFORD ST, SUITE 600
BOSTON, MA 02114
Suffolk County (617) 367-4800
DR. DAVID MATTHEW NATHAN MD
Internal Medicine (Endocrinology, Diabetes & Metabolism)
50 STANIFORD ST, 3RD FLOOR S50 3
BOSTON, MA 02114
Suffolk County (617) 726-2875
GEOFFREY A HART M.D.
Anesthesiology
50 STANIFORD ST, C/O MA ANESTHESIA CORP
BOSTON, MA 02114
Suffolk County (781) 341-3966
JEFFREY L GREENWALD M.D.
Internal Medicine
50 STANIFORD ST, SUITE 503B
BOSTON, MA 02114
Suffolk County (617) 643-6408
DR. ISHIR BHAN MD
Internal Medicine (Nephrology)
50 STANIFORD ST, 7TH FLOOR, LAB OF COMPUTER SCIENCE
BOSTON, MA 02114
Suffolk County (617) 726-3934

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 Thao O'connor's NPI number?

The NPI number for Thao O'connor is 1124312350. It was assigned to this individual provider in the NPPES registry on June 6, 2011.

Where is Thao O'connor located?

Thao O'connor practices at 50 Staniford St Suite 340, Boston, MA 02114. The listed phone number is (617) 726-8722.

What is Thao O'connor's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.

Is Thao O'connor enrolled in Medicare?

Yes. Thao 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.

Is Thao O'connor affiliated with any hospitals?

According to CMS data, Thao O'connor is affiliated with North Shore Medical Center - and Massachusetts General Hospital.

When was this NPI record last updated?

The NPPES record for Thao O'connor was last updated on May 28, 2014. NPI Profile syncs with the weekly NPPES data releases published by CMS.