1. Home
  2. Directory
  3. Massachusetts
  4. Boston
  5. Internal Medicine
  6. NPI Profile

CATHERINE HWANG
NPI 1255892204
Internal Medicine in Boston, MA

Active since March 30, 2019PECOS Enrolled
75 FRANCIS STREET, ASBI 2ND FLOOR, BOSTON, MA 02115(617) 732-6040 Get Directions Write a Review

NPPES record last updated: June 17, 2022. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Catherine Hwang NPPES

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

CATHERINE HWANG (NPI 1255892204) is an individual internal medicine provider in Boston, Massachusetts, licensed in Massachusetts (290950) and active in the NPI registry since March 2019. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1255892204
Entity TypeIndividualFemale
Primary Taxonomy207R00000X
Provider Legal NameCATHERINE HWANG
Location Address75 FRANCIS STREET, ASBI 2ND FLOORBoston, MA 02115
Mailing Address75 Francis Street, Asbi 2nd FloorBoston, MA 02115
Phone(617) 732-6040
Sole ProprietorNo
Enumeration DateMarch 30, 2019
Last NPPES UpdateJune 17, 2022
NPPES CertifiedJune 17, 2022
✔ NPI 1255892204 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in MA · 290950
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.
75 FRANCIS STREET, ASBI 2ND FLOOR, Boston, MA 02115
Open in Google Maps ↗

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Anthem Blue Cross and Blue Shield.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Catherine Hwang 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 02115 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.

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 Catherine Hwang's NPI number?

The NPI number for Catherine Hwang is 1255892204. It was assigned to this individual provider in the NPPES registry on March 30, 2019.

Where is Catherine Hwang located?

Catherine Hwang practices at 75 Francis Street, Asbi 2nd Floor, Boston, MA 02115. The listed phone number is (617) 732-6040.

What is Catherine Hwang's specialty?

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

Is Catherine Hwang enrolled in Medicare?

Yes. Catherine Hwang is registered in the Medicare PECOS enrollment system.

What insurance does Catherine Hwang accept?

Health plans from Anthem Blue Cross and Blue Shield list Catherine Hwang as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Catherine Hwang was last updated on June 17, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.