GRACE HSIEH M.D.
NPI 1639518376
Internal Medicine - Cardiovascular Disease in Boston, MA

Active since June 16, 2013PECOS EnrolledAccepts Medicare Assignment
732 HARRISON AVENUE, FL 3, PRESTON BLDG, BOSTON, MA 02118(617) 638-7490(617) 414-8742 Get Directions Write a Review

NPPES record last updated: May 18, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: May 18, 2026, Jul 28, 2022 (2 updates tracked since 2022).

About Grace Hsieh M.d. NPPES

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

GRACE HSIEH M.D. (NPI 1639518376) is an individual cardiovascular disease provider in Boston, Massachusetts, licensed in Massachusetts (267012) and active in the NPI registry since June 2013. She is enrolled in Medicare PECOS, is affiliated with Boston Medical Center, and maintains a secondary practice location in Boston.

NPPES Registry Identity

NPI1639518376
Entity TypeIndividualFemale
Primary Taxonomy207RC0000X
Provider Legal NameGRACE HSIEHCredential: M.D.
Location Address732 HARRISON AVENUE, FL 3, PRESTON BLDGBoston, MA 02118-2309
Mailing Address960 Massachusetts Ave, Fl 2Boston, MA 02118
Fax(617) 414-8742
Sole ProprietorNo
Medical School CMSHarvard Medical SchoolGraduated 2013
Enumeration DateJune 16, 2013
Last NPPES UpdateMay 18, 20262 updates tracked since enumeration
NPPES CertifiedMay 18, 2026
NPI 1639518376 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyInternal Medicine · Cardiovascular DiseaseAllopathic & Osteopathic Physicians
Taxonomy Code207RC0000X
License Licensed in MA · 267012
Definition
An internist who specializes in diseases of the heart and blood vessels and manages complex cardiac conditions such as heart attacks and life-threatening, abnormal heartbeat rhythms.
Also ListedInternal MedicineTaxonomy 207R00000X · License 267012 (MA)
732 HARRISON AVENUE, FL 3, Boston, MA 02118

Secondary Practice Location 1

Location 1840 Harrison AveBoston, MA 02118-2905 · Phone (617) 638-6610 · Fax (617) 638-6616

Other Identifiers 2

Medicaid3137787NH
Medicaid110116176AMA

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

Grace Hsieh M.d. 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 ID244527711
PECOS Enrollment IDI20160927001804
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 9

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.

Ultrasound of heart with color-depicted blood flow, rate, direction and valve function 93306
This is a heart ultrasound, also known as an echocardiogram. It uses sound waves to create pictures of your heart, showing how blood flows through it. The color depicts the blood flow's speed and direction. It also checks the heart's valves to ensure they're working properly.
197 services194 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.
95 services33 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.
24 services24 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.
20 services17 patients
Ultrasound of heart, follow-up 93308
A follow-up ultrasound of the heart, also known as an echocardiogram, is a non-invasive test that uses sound waves to create images of your heart. It helps doctors monitor your heart's function and structures after initial assessment or treatment.
18 services16 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.
16 services15 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
$78.84 typical visit price
range $21.07 – $155.29
Typical copayment $19.71 (range $5.26 – $38.82)
Most-billed visit code 99213
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.

Internal Medicine (Cardiovascular Disease)
732 HARRISON AVENUE, FL 3, PRESTON BLDG
BOSTON, MA 02118
Nurse Practitioner (Family)
732 HARRISON AVENUE, FL 3, PRESTON BLDG
BOSTON, MA 02118
Internal Medicine (Interventional Cardiology)
732 HARRISON AVENUE, FL 3, PRESTON BLDG
BOSTON, MA 02118
Nurse Practitioner (Family)
732 HARRISON AVENUE, FL 3, PRESTON BLDG
BOSTON, MA 02118
Internal Medicine (Cardiovascular Disease)
732 HARRISON AVENUE, FL 3, PRESTON BLDG
BOSTON, MA 02118
Internal Medicine (Cardiovascular Disease)
732 HARRISON AVENUE, FL 3, PRESTON BLDG
BOSTON, MA 02118
Internal Medicine (Cardiovascular Disease)
732 HARRISON AVENUE, FL 3, PRESTON BLDG
BOSTON, MA 02118
Internal Medicine (Cardiovascular Disease)
732 HARRISON AVENUE, FL 3, PRESTON BLDG
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 Grace Hsieh's NPI number?

The NPI number for Grace Hsieh is 1639518376. It was assigned to this individual provider in the NPPES registry on June 16, 2013.

Where is Grace Hsieh located?

Grace Hsieh practices at 732 Harrison Avenue, Fl 3 Preston Bldg, Boston, MA 02118. The listed phone number is (617) 638-7490.

What is Grace Hsieh's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Cardiovascular Disease, with taxonomy code 207RC0000X.

Is Grace Hsieh enrolled in Medicare?

Yes. Grace Hsieh 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 Grace Hsieh affiliated with any hospitals?

According to CMS data, Grace Hsieh is affiliated with Boston Medical Center.

When was this NPI record last updated?

The NPPES record for Grace Hsieh was last updated on May 18, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 months 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.