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HANNAH X CHEN
NPI 1831689108
Internal Medicine in Brookline, MA

Active since May 13, 2018PECOS EnrolledAccepts Medicare Assignment
375 BOYLSTON ST, BROOKLINE, MA 02445(617) 732-5500 Get Directions Write a Review

NPPES record last updated: June 10, 2021. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Jun 10, 2021, May 13, 2018 (2 updates tracked since 2018).

About Hannah X Chen NPPES

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

HANNAH X CHEN (NPI 1831689108) is an individual internal medicine provider in Brookline, Massachusetts, licensed in Massachusetts (286521) and active in the NPI registry since May 2018. She is enrolled in Medicare PECOS, is affiliated with Brigham And Women's Hospital, and is a graduate of North Carolina Medical School (2018).

NPPES Registry Identity

NPI1831689108
Entity TypeIndividualFemale
Primary Taxonomy207R00000X
Provider Legal NameHANNAH X CHEN
Location Address375 BOYLSTON STBrookline, MA 02445-6007
Mailing Address75 Francis StBoston, MA 02115-6110 · (617) 732-5500
Phone(617) 732-5500
Sole ProprietorNo
Medical School CMSNorth Carolina Medical SchoolGraduated 2018
Enumeration DateMay 13, 2018
Last NPPES UpdateJune 10, 20212 updates tracked since enumeration
NPPES CertifiedJune 10, 2021
✔ NPI 1831689108 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in MA · 286521
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X
375 BOYLSTON ST, Brookline, MA 02445
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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

Hannah X Chen 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 ID4880943703
PECOS Enrollment IDI20210615000483
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 6

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 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.
218 services108 patients
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233
Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.
123 services67 patients
Hospital discharge day management, 30 minutes or less 99238
Hospital discharge day management of 30 minutes or less includes finalizing your treatment, discussing your progress, and planning after-care at home. It ensures you're ready to leave the hospital and continue recovery safely.
43 services43 patients
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223
Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.
40 services40 patients
Hospital discharge day management, more than 30 minutes 99239
Hospital discharge day management over 30 minutes involves a detailed process to ensure a smooth transition from hospital to home. It includes final examinations, discussion of your hospital stay, post-discharge instructions, and coordinating follow-up care.
40 services40 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.
17 services17 patients

Hospital Affiliations CMS Care Compare 2

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

Brigham And Women's Hospital

Acute Care Hospitals · Boston, MA
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number220110
Location75 Francis StreetBoston, MA 02115 · Suffolk County
Emergency services Birthing friendly

Faulkner Hospital-Brigham And Women's

Acute Care Hospitals · Boston, MA
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number220119
Location1153 Centre StreetBoston, MA 02130 · Suffolk County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 02445 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.

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.

Oxygen concentrator, single delivery port, capable of delivering 85 percent or greater oxygen concentration at the prescribed flow rate E1390
DME-Oxygen and Supplies · category DC002N
2 suppliers11 claims11 services$68.30 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 5

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

BRIGHAM AND WOMEN'S HOSPITAL
General Acute Care Hospital
375 BOYLSTON ST, BWH PROVIDER SERVICES
BROOKLINE, MA 02445
Norfolk County (857) 265-5999
LIRAN DOMACHEVSKY
Radiology (Nuclear Radiology)
375 BOYLSTON ST
BROOKLINE, MA 02445
Norfolk County (857) 307-0849
STEPHEN REESE MD
Student in an Organized Health Care Education/Training Program
375 BOYLSTON ST
BROOKLINE, MA 02445
Norfolk County (650) 369-2823
LIN SHEN MD
Internal Medicine (Gastroenterology)
375 BOYLSTON ST
BROOKLINE, MA 02445
Norfolk County (857) 307-0896
VERONIQUE CYR MD
Student in an Organized Health Care Education/Training Program
375 BOYLSTON ST
BROOKLINE, MA 02445
Norfolk County (857) 307-0866

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 Hannah Chen's NPI number?

The NPI number for Hannah Chen is 1831689108. It was assigned to this individual provider in the NPPES registry on May 13, 2018.

Where is Hannah Chen located?

Hannah Chen practices at 375 Boylston St, Brookline, MA 02445. The listed phone number is (617) 732-5500.

What is Hannah Chen's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Hannah Chen enrolled in Medicare?

Yes. Hannah Chen 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 Hannah Chen affiliated with any hospitals?

According to CMS data, Hannah Chen is affiliated with Brigham And Women's Hospital and Faulkner Hospital-Brigham And Women's.

When was this NPI record last updated?

The NPPES record for Hannah Chen was last updated on June 10, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.