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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

DR. NATHANIEL DER-LIN KWOK MD
NPI 1396494555
Internal Medicine in Palm Beach Gardens, FL

Active since March 23, 2022PECOS Enrolled
3401 PGA BLVD STE 440, PALM BEACH GARDENS, FL 33410(561) 406-4469(561) 437-8255 Get Directions Write a Review

NPPES record last updated: September 27, 2026. Verified against the NPPES registry weekly; last sync: October 11, 2026.

Record update history: Sep 27, 2026, Nov 4, 2025 (2 updates tracked since 2025).

About Dr. Nathaniel Der-lin Kwok Md NPPES

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

DR. NATHANIEL DER-LIN KWOK MD (NPI 1396494555) is an individual internal medicine provider in Palm Beach Gardens, Florida, licensed in Florida (ME173717) and active in the NPI registry since March 2022. He is enrolled in Medicare PECOS, is affiliated with Jupiter Medical Center, and is a graduate of Other (2022).

NPPES Registry Identity

NPI1396494555
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameDR. NATHANIEL DER-LIN KWOKCredential: MD
Location Address3401 PGA BLVD STE 440Palm Beach Gardens, FL 33410-2825
Mailing Address3401 Pga Blvd Ste 440Palm Beach Gardens, FL 33410-2825 · (561) 406-4469 · Fax (561) 437-8255
Phone(561) 406-4469
Fax(561) 437-8255
Sole ProprietorNo
Medical School CMSOtherGraduated 2022
Enumeration DateMarch 23, 2022
Last NPPES UpdateSeptember 27, 20262 updates tracked since enumeration
NPPES CertifiedSeptember 27, 2026
✔ NPI 1396494555 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in FL · ME173717
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.
3401 PGA BLVD STE 440, Palm Beach Gardens, FL 33410
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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)

Dr. Nathaniel Der-lin Kwok Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID8224418561
PECOS Enrollment IDI20251029001010
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.

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Jupiter Medical Center

Acute Care Hospitals · Jupiter, FL
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number100253
Location1210 S Old Dixie HwyJupiter, FL 33458 · Palm Beach County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 33410 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
$135.56 typical visit price
range $58.56 – $179.05
Typical copayment $33.89 (range $14.64 – $44.76)
Most-billed visit code 99204
Established Patient
$103.21 typical visit price
range $18.44 – $144.68
Typical copayment $25.80 (range $4.61 – $36.17)
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 4

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

RICHARD B BROOKS MD
Psychiatry & Neurology (Neurology)
3401 PGA BLVD STE 440
PALM BEACH GARDENS, FL 33410
Palm Beach County (561) 799-2831
GARDENS NEUROLOGY PLLC
Psychiatry & Neurology (Neurology)
3401 PGA BLVD STE 440
PALM BEACH GARDENS, FL 33410
Palm Beach County (561) 799-2831
DR. DAVID S SILVERS M.D
Psychiatry & Neurology (Neurology)
3401 PGA BLVD STE 440
PALM BEACH GARDENS, FL 33410
Palm Beach County (561) 799-2831
NATHANIEL D KWOK MD LLC
Internal Medicine
3401 PGA BLVD STE 440
PALM BEACH GARDENS, FL 33410
Palm Beach County (561) 406-4469

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 Nathaniel Kwok's NPI number?

The NPI number for Nathaniel Kwok is 1396494555. It was assigned to this individual provider in the NPPES registry on March 23, 2022.

Where is Nathaniel Kwok located?

Nathaniel Kwok practices at 3401 Pga Blvd Ste 440, Palm Beach Gardens, FL 33410. The listed phone number is (561) 406-4469.

What is Nathaniel Kwok's specialty?

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

Is Nathaniel Kwok enrolled in Medicare?

Yes. Nathaniel Kwok is registered in the Medicare PECOS enrollment system.

Is Nathaniel Kwok affiliated with any hospitals?

According to CMS data, Nathaniel Kwok is affiliated with Jupiter Medical Center.

When was this NPI record last updated?

The NPPES record for Nathaniel Kwok was last updated on September 27, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 22 days 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.