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CATHERINE DING MEDICAL PLLC
NPI 1396689170
Dermatology in New York, NY

Active since April 14, 2026
139 CENTRE ST LBBY 102, NEW YORK, NY 10013(212) 226-6866(888) 960-5648 Get Directions Write a Review

NPPES record last updated: April 30, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Apr 30, 2026, Apr 14, 2026 (2 updates tracked since 2026).

About Catherine Ding Medical Pllc NPPES

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

CATHERINE DING MEDICAL PLLC (NPI 1396689170) is a healthcare organization registered as a dermatology in New York, New York and active in the NPI registry since April 2026. The organization maintains a secondary practice location in Flushing and lists Catherine Ding, Physician, as its authorized official.

NPPES Registry Identity

NPI1396689170
Entity TypeOrganization
Primary Taxonomy207N00000X
Legal Business NameCATHERINE DING MEDICAL PLLC
Location Address139 CENTRE ST LBBY 102New York, NY 10013-4564
Mailing AddressPo Box 541609Flushing, NY 11354-7609 · (718) 762-6866 · Fax (888) 960-5648
Phone(212) 226-6866
Fax(888) 960-5648
Organization SubpartNo
Authorized OfficialCatherine DingPhysician · (718) 762-6866
Enumeration DateApril 14, 2026
Last NPPES UpdateApril 30, 20262 updates tracked since enumeration
NPPES CertifiedApril 30, 2026
✔ NPI 1396689170 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyDermatologyAllopathic & Osteopathic Physicians
Taxonomy Code207N00000X
Definition
A dermatologist is trained to diagnose and treat pediatric and adult patients with benign and malignant disorders of the skin, mouth, external genitalia, hair and nails, as well as a number of sexually transmitted diseases. The dermatologist has had additional training and experience in the diagnosis and treatment of skin cancers, melanomas, moles and other tumors of the skin, the management of contact dermatitis and other allergic and nonallergic skin disorders, and in the recognition of the skin manifestations of systemic (including internal malignancy) and infectious diseases. Dermatologists have special training in dermatopathology and in the surgical techniques used in dermatology. They also have expertise in the management of cosmetic disorders of the skin such as hair loss and scars and the skin changes associated with aging.
139 CENTRE ST LBBY 102, New York, NY 10013
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Secondary Practice Location 1

Location 13808 Union St Ste 8EFlushing, NY 11354-5673 · Phone (718) 762-6866 · Fax (888) 960-5648

Other Identifiers 1

Medicaid04390603NY

Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Catherine Ding Medical Pllc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

2

Medicare enrollment records show 2 clinicians reassign Medicare billing to Catherine Ding Medical PLLC, which bills Medicare for the services they deliver. Of these, 1 practice at this address. They are listed nearest first.

Clinicians, nearest first (2)

Catherine Yang Ding, M.D.
Dermatology
NPI 1760749808
139 CENTRE ST LBBY 102
New York, NY 10013
(212) 226-6866
✔ PECOSSame address
Jonwei Hwang, MD
Dermatology
NPI 1053044271
100 W CALIFORNIA BLVD
Pasadena, CA 91105
(626) 397-5000
✔ PECOS2,444 mi

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

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 Ding Medical PLLC's NPI number?

The NPI number for Catherine Ding Medical PLLC is 1396689170. It was assigned to this organization in the NPPES registry on April 14, 2026.

Where is Catherine Ding Medical PLLC located?

Catherine Ding Medical PLLC is located at 139 Centre St Lbby 102, New York, NY 10013. The listed phone number is (212) 226-6866.

What is Catherine Ding Medical PLLC's specialty?

The primary specialty registered for this NPI is Dermatology with taxonomy code 207N00000X.

Is Catherine Ding Medical PLLC enrolled in Medicare?

Yes. Catherine Ding Medical PLLC is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Catherine Ding Medical PLLC?

According to the CMS Revalidation Reassignment List (October 2026 release), 2 clinicians, all in Dermatology, reassign their Medicare billing to Catherine Ding Medical PLLC. A reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for the clinician's services. Of these, 1 practice at this address. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

When was this NPI record last updated?

The NPPES record for Catherine Ding Medical PLLC was last updated on April 30, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.