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WILLIAM C HSU M.D.
NPI 1679687560
Internal Medicine - Endocrinology, Diabetes & Metabolism in Boston, MA

Active since August 18, 2006PECOS Enrolled

NPPES record last updated: April 29, 2011. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About William C Hsu M.d. NPPES

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

WILLIAM C HSU M.D. (NPI 1679687560) is an individual endocrinology, diabetes & metabolism provider in Boston, Massachusetts, licensed in Massachusetts (205045) and active in the NPI registry since August 2006. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1679687560
Entity TypeIndividualMale
Primary Taxonomy207RE0101X
Provider Legal NameWILLIAM C HSUCredential: M.D.
Location Address1 JOSLIN PLBoston, MA 02215-5306
Mailing Address1 Joslin PlBoston, MA 02215-5306 · (617) 309-2400
Phone(617) 732-2665
Sole ProprietorNo
Enumeration DateAugust 18, 2006
Last NPPES UpdateApril 29, 2011
✔ NPI 1679687560 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Endocrinology, Diabetes & MetabolismAllopathic & Osteopathic Physicians
Taxonomy Code207RE0101X
License✔ Licensed in MA · 205045
Definition
An internist who concentrates on disorders of the internal (endocrine) glands such as the thyroid and adrenal glands. This specialist also deals with disorders such as diabetes, metabolic and nutritional disorders, obesity, pituitary diseases and menstrual and sexual problems.
1 JOSLIN PL, Boston, MA 02215
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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 (PECOS)

William C Hsu M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 02215 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.

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. EDWARD SCHURR HORTON M.D.
Internal Medicine (Endocrinology, Diabetes & Metabolism)
1 JOSLIN PL
BOSTON, MA 02215
Suffolk County (617) 309-2400
MS. LOUISE AMBLER OSBORN CPNP
Nurse Practitioner (Pediatrics)
1 JOSLIN PL
BOSTON, MA 02215
Suffolk County (617) 732-2603
DR. JASON L GAGLIA M.D.
Internal Medicine (Endocrinology, Diabetes & Metabolism)
1 JOSLIN PL, ROOM 470
BOSTON, MA 02215
Suffolk County (617) 732-2675
KARA ROMAN HARRINGTON PHD
Psychologist
1 JOSLIN PL, DEPARTMENT OF PEDIATRICS
BOSTON, MA 02215
Suffolk County (617) 732-2603
CATERINA MORGERA MS, RD, LDN, CDOE
Dietitian, Registered
1 JOSLIN PL
BOSTON, MA 02215
Suffolk County (617) 309-2440
MR. JOYCE KEADY PNP, RN
Nurse Practitioner (Pediatrics)
1 JOSLIN PL
BOSTON, MA 02215
Suffolk County (617) 309-4499
DR. JASON NOBLE M.D.
Ophthalmology
1 JOSLIN PL
BOSTON, MA 02215
Suffolk County (617) 732-2586
ASSEL TALASPAYEVA MD
Ophthalmology
1 JOSLIN PL
BOSTON, MA 02215
Suffolk County (617) 309-2400

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 William Hsu's NPI number?

The NPI number for William Hsu is 1679687560. It was assigned to this individual provider in the NPPES registry on August 18, 2006.

Where is William Hsu located?

William Hsu practices at 1 Joslin Pl, Boston, MA 02215. The listed phone number is (617) 732-2665.

What is William Hsu's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Endocrinology, Diabetes & Metabolism, with taxonomy code 207RE0101X.

Is William Hsu enrolled in Medicare?

Yes. William Hsu is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for William Hsu was last updated on April 29, 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.