CALVIN HWANG M.D.
NPI 1861554495
Internal Medicine - Critical Care Medicine in Flushing, NY

Active since December 13, 2006PECOS Enrolled
100/100
CMS Quality Rating
5645 MAIN ST DEPT OF, FLUSHING, NY 11355(718) 912-0632 Get Directions Write a Review

NPPES record last updated: December 5, 2022. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Calvin Hwang M.d. NPPES

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

CALVIN HWANG M.D. (NPI 1861554495) is an individual critical care medicine provider in Flushing, New York, licensed in New York (236985) and active in the NPI registry since December 2006. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1861554495
Entity TypeIndividualMale
Primary Taxonomy207RC0200X
Provider Legal NameCALVIN HWANGCredential: M.D.
Location Address5645 MAIN ST DEPT OFFlushing, NY 11355-5045
Mailing Address56-45 Main Street, Dept. Of Medicine, 5 SouthQueens, NY 11355 · (718) 912-0632
Sole ProprietorNo
Enumeration DateDecember 13, 2006
Last NPPES UpdateDecember 5, 2022
NPPES CertifiedDecember 5, 2022
NPI 1861554495 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyInternal Medicine · Critical Care MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207RC0200X
License Licensed in NY · 236985
Definition
An internist who diagnoses, treats and supports patients with multiple organ dysfunction. This specialist may have administrative responsibilities for intensive care units and may also facilitate and coordinate patient care among the primary physician, the critical care staff and other specialists.
Also ListedInternal Medicine · Pulmonary DiseaseTaxonomy 207RP1001X · License 236985 (NY)
5645 MAIN ST DEPT OF, Flushing, NY 11355

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

Enrolled in Medicare (PECOS)

Calvin Hwang 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.

Areas of Expertise CMS Part B claims

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.

Critical care, first 30-74 minutes 99291
Critical care involves immediate and constant attention by a team of specially-trained health professionals. It's for patients with life-threatening conditions, requiring first 30-74 minutes of intense monitoring and treatment.
44 services19 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 11355 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
$153.13 typical visit price
range $67.00 – $201.98
Typical copayment $38.28 (range $16.75 – $50.49)
Most-billed visit code 99204
Established Patient
$116.96 typical visit price
range $21.62 – $163.52
Typical copayment $29.24 (range $5.40 – $40.88)
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.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

100/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored through an Alternative Payment Model
Quality86.8
Promoting Interoperability100
Improvement Activities40

Other Providers at the Same Location NPPES 6

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

Orthopaedic Surgery (Adult Reconstructive Orthopaedic Surgery)
5645 MAIN ST DEPT OF
FLUSHING, NY 11355
Nurse Anesthetist, Certified Registered
5645 MAIN ST DEPT OF
FLUSHING, NY 11355
Obstetrics & Gynecology
5645 MAIN ST DEPT OF
FLUSHING, NY 11355
Radiology (Diagnostic Radiology)
5645 MAIN ST DEPT OF
FLUSHING, NY 11355
Internal Medicine
5645 MAIN ST DEPT OF
FLUSHING, NY 11355
Surgery (Vascular Surgery)
5645 MAIN ST DEPT OF
FLUSHING, NY 11355

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 Calvin Hwang's NPI number?

The NPI number for Calvin Hwang is 1861554495. It was assigned to this individual provider in the NPPES registry on December 13, 2006.

Where is Calvin Hwang located?

Calvin Hwang practices at 5645 Main St Dept Of, Flushing, NY 11355. The listed phone number is (718) 912-0632.

What is Calvin Hwang's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Critical Care Medicine, with taxonomy code 207RC0200X.

Is Calvin Hwang enrolled in Medicare?

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

When was this NPI record last updated?

The NPPES record for Calvin Hwang was last updated on December 5, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.