KATHRYN P O'BRIEN
NPI 1811472426
Nurse Practitioner - Family in Salem, MA

Q: What is Kathryn O'brien's NPI number?

The NPI number for Kathryn O'brien is 1811472426. It was assigned to this individual provider in the NPPES registry on September 28, 2018.

Q: What is Kathryn O'brien's specialty?

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

Q: When was this NPI record last updated?

The NPPES record for Kathryn O'brien was last updated on September 13, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.

Active since September 28, 2018PECOS EnrolledAccepts Medicare Assignment

400 HIGHLAND AVE STE 1, SALEM, MA 01970(978) 741-9500 Get Directions Write a Review

NPPES record last updated: September 13, 2024. Verified against the NPPES registry weekly; last sync: November 08, 2026.

Record update history: Sep 13, 2024, Nov 10, 2020, Sep 28, 2018 (3 updates tracked since 2018).

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About Kathryn P O'brien NPPES

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

KATHRYN P O'BRIEN (NPI 1811472426) is an individual family provider in Salem, Massachusetts, licensed in Massachusetts (RN2318509) and active in the NPI registry since September 2018. She is enrolled in Medicare PECOS, is affiliated with North Shore Medical Center -, and is a graduate of Other (2018).

NPPES Registry Identity

NPI1811472426

Entity TypeIndividualFemale

Primary Taxonomy363LF0000X

Provider Legal NameKATHRYN P O'BRIEN

Location Address400 HIGHLAND AVE STE 1Salem, MA 01970-1783

Mailing Address400 Highland Ave Ste 1Salem, MA 01970-1783 · (978) 741-9500 · Fax (978) 741-3927

Phone(978) 741-9500

Sole ProprietorNo

Medical School CMSOtherGraduated 2018

Enumeration DateSeptember 28, 2018

Last NPPES UpdateSeptember 13, 20243 updates tracked since enumeration

NPPES CertifiedSeptember 13, 2024

✔ NPI 1811472426 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 · RN2318509

400 HIGHLAND AVE STE 1, Salem, MA 01970

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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Kathryn P O'brien 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 ID5890030357

PECOS Enrollment IDI20190103000289

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.

Medicare Billing Reassignment

Medicare enrollment records show Kathryn O'brien reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Mass General Brigham Medical Group Northern Massachusetts Inc

1.7 mi

Emergency Medicine

81 HIGHLAND AVE
Salem, MA 01970

Reassigned Medicare billing, Massachusetts enrollment
994 clinicians in this Medicare group

NPI 1588606123 (978) 354-4173

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 12

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.

501 services383 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.

50 services41 patients

Routine electrocardiogram (ecg) using at least 12 leads with tracing 93005

An Electrocardiogram (ECG) is a simple, painless test that records the heart's electrical activity. Using 12 leads attached to your skin, it generates a tracing of your heart rhythm. It helps detect any heart problems by showing the timing and strength of electrical signals passing through each part of your heart.

46 services44 patients

Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit G0439

An annual wellness visit is a yearly appointment with your primary care provider to create or update a personalized prevention plan. This plan helps prevent illness based on your current health and risk factors. It's a subsequent visit, meaning it follows an initial assessment.

33 services33 patients

2019-ncov coronavirus, sars-cov-2/2019-ncov (covid-19), any technique, multiple types or subtypes (includes all targets), non-cdc U0002

This refers to a test for COVID-19, caused by the SARS-CoV-2 virus. The test identifies multiple types or subtypes of the virus, including all targets. It's not specifically based on the CDC's testing protocol. It helps determine if you're currently infected with the virus.

30 services29 patients

Automated urinalysis test 81003

An automated urinalysis test is a routine examination that checks your urine for various substances. It can help identify potential health issues such as kidney problems or diabetes. The test uses a machine to analyze a small urine sample, providing quick and accurate results.

29 services28 patients

Detection test by nucleic acid for multiple types influenza virus 87502

A detection test by nucleic acid for multiple types of influenza virus is a diagnostic procedure. It identifies the genetic material of the virus in your body. It's highly accurate and can distinguish between different flu strains, helping in prompt and precise treatment.

27 services27 patients

Transitional care management services for problem of at least moderate complexity 99495

Transitional care management services focus on coordinating and managing your care after you leave the hospital. For moderate complexity problems, this involves managing your medications, arranging further treatments, and ensuring you have the necessary follow-ups.

23 services23 patients

Administration of influenza virus vaccine G0008

The administration of the influenza virus vaccine, also known as the flu shot, is a simple procedure to protect against the flu. A healthcare provider injects a small dose of the vaccine into your arm. This stimulates your immune system to produce antibodies, which will help your body fight off the flu if exposed.

18 services18 patients

Influenza vaccine split virus, preservative free 90662

The Influenza Vaccine Split Virus, preservative-free, is a flu shot to protect against the influenza virus. It is made from parts of inactivated flu viruses and doesn't contain preservatives, reducing potential side effects. It helps your body develop immunity to the flu.

17 services17 patients

Detection test by nucleic acid for strep (streptococcus, group a), amplified probe technique 87651

This test detects Group A Streptococcus bacteria in your body. It uses an amplified probe technique, which amplifies the bacteria's nucleic acid, making it easier to identify. This test helps diagnose conditions like strep throat or scarlet fever.

11 services11 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.

11 services11 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 01970 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

$103.48 typical visit price

range $19.11 – $144.84

Typical copayment $25.87 (range $4.77 – $36.21)

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

11 suppliers30 claims74 services$5.04 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 4

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

FARIS MARWAN ALI GHANNAM MD

Internal Medicine

400 HIGHLAND AVE STE 1
SALEM, MA 01970

Essex County (978) 741-9500

BEENISH FURQUAN MD

Internal Medicine

400 HIGHLAND AVE STE 1
SALEM, MA 01970

Essex County (978) 741-9500

KRISTEN ELISE KANOFF CNP

Nurse Practitioner

400 HIGHLAND AVE STE 1
SALEM, MA 01970

Essex County (978) 741-9500

YASMINE OKACHA SABRI

Registered Nurse (Ambulatory Care)

400 HIGHLAND AVE STE 1
SALEM, MA 01970

Essex County (978) 741-9500

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 Kathryn O'brien's NPI number?

The NPI number for Kathryn O'brien is 1811472426. It was assigned to this individual provider in the NPPES registry on September 28, 2018.

Where is Kathryn O'brien located?

Kathryn O'brien practices at 400 Highland Ave Ste 1, Salem, MA 01970. The listed phone number is (978) 741-9500.

What is Kathryn O'brien's specialty?

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

Is Kathryn O'brien enrolled in Medicare?

Yes. Kathryn 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.

Which organization bills Medicare for Kathryn O'brien's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Kathryn O'brien reassigns Medicare benefits to Mass General Brigham Medical Group Northern Massachusetts Inc (Salem, MA). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Kathryn O'brien's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

Is Kathryn O'brien affiliated with any hospitals?

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

When was this NPI record last updated?

The NPPES record for Kathryn O'brien was last updated on September 13, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.