DR. NATHANIEL LIM YU CHUA M.D.
NPI 1518290931
Hospitalist in Tacoma, WA

Active since September 16, 2009PECOS EnrolledAccepts Medicare Assignment

NPPES record last updated: July 2, 2020. Verified against the NPPES registry weekly; last sync: November 08, 2026.

About Dr. Nathaniel Lim Yu Chua M.d. NPPES

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

DR. NATHANIEL LIM YU CHUA M.D. (NPI 1518290931) is an individual hospitalist provider in Tacoma, Washington, licensed in Washington (MD60255650) and active in the NPI registry since September 2009. He is enrolled in Medicare PECOS, is affiliated with St Clare Hospital, and is a graduate of Other (2005).

NPPES Registry Identity

NPI1518290931
Entity TypeIndividualMale
Primary Taxonomy208M00000X
Provider Legal NameDR. NATHANIEL LIM YU CHUACredential: M.D.
Location Address1717 S J STTacoma, WA 98405-4933
Mailing Address11322 83rd Ave SwLakewood, WA 98498-5533 · (253) 267-5779
Sole ProprietorNo
Medical School CMSOtherGraduated 2005
Enumeration DateSeptember 16, 2009
Last NPPES UpdateJuly 2, 2020
NPPES CertifiedJuly 2, 2020
✔ NPI 1518290931 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyHospitalistAllopathic & Osteopathic Physicians
Taxonomy Code208M00000X
License✔ Licensed in WA · MD60255650
Definition
Hospitalists are physicians whose primary professional focus is the general medical care of hospitalized patients. Their activities include patient care, teaching, research, and leadership related to Hospital Medicine. The term 'hospitalist' refers to physicians whose practice emphasizes providing care for hospitalized patients.
1717 S J ST, Tacoma, WA 98405

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Nathaniel Lim Yu Chua M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID8820246291
PECOS Enrollment IDI20120911000224
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.

Medicare Billing Reassignments

4

Medicare enrollment records show Nathaniel Yu Chua reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Pediatrics
311 S L ST
Tacoma, WA 98405
  • Reassigned Medicare billing, Washington enrollment
  • 4,383 clinicians in this Medicare group
Anesthesiology
1313 BROADWAY, SUITE 200
Tacoma, WA 98402
  • Reassigned Medicare billing, Washington enrollment
  • 1,526 clinicians in this Medicare group
Hospitalist
202 N DIVISION ST
Auburn, WA 98001
  • Reassigned Medicare billing, Washington enrollment
  • 915 clinicians in this Medicare group
Gastroenterology
1100 9TH AVE
Seattle, WA 98101
  • Reassigned Medicare billing, Washington enrollment
  • 1,021 clinicians in this Medicare group

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

Areas of Expertise CMS Part B claims 2

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.

Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223
Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.
73 services72 patients
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223
Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.
11 services11 patients

Hospital Affiliations CMS Care Compare 3

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

St Clare Hospital

Acute Care Hospitals · Lakewood, WA
3/5 CMS rating
OwnershipVoluntary non-profit - Church
CMS Certification Number500021
Location11315 Bridgeport Way S WLakewood, WA 98499 · Pierce County
Emergency services

Summit Pacific Medical Center

Critical Access Hospitals · Elma, WA
OwnershipGovernment - Hospital District or Authority
CMS Certification Number501304
Location600 East Main StreetElma, WA 98541 · Grays Harbor County
Emergency services

St Elizabeth Hospital

Critical Access Hospitals · Enumclaw, WA
OwnershipVoluntary non-profit - Private
CMS Certification Number501335
Location1450 Battersby AvenueEnumclaw, WA 98022 · King County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 98405 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
$130.99 typical visit price
range $57.27 – $172.80
Typical copayment $32.74 (range $14.31 – $43.20)
Most-billed visit code 99204
Established Patient
$100.78 typical visit price
range $18.56 – $141.11
Typical copayment $25.19 (range $4.64 – $35.27)
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.

Registered Nurse
1717 S J ST
TACOMA, WA 98405
Anesthesiology
1717 S J ST
TACOMA, WA 98405
Physician Assistant
1717 S J ST
TACOMA, WA 98405
Internal Medicine
1717 S J ST
TACOMA, WA 98405
Pharmacist
1717 S J ST
TACOMA, WA 98405
Registered Nurse (Obstetric, Inpatient)
1717 S J ST
TACOMA, WA 98405
Anesthesiology
1717 S J ST
TACOMA, WA 98405
Nurse Practitioner (Gerontology)
1717 S J ST
TACOMA, WA 98405

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 Yu Chua's NPI number?

The NPI number for Nathaniel Yu Chua is 1518290931. It was assigned to this individual provider in the NPPES registry on September 16, 2009.

Where is Nathaniel Yu Chua located?

Nathaniel Yu Chua practices at 1717 S J St, Tacoma, WA 98405. The listed phone number is (253) 426-6363.

What is Nathaniel Yu Chua's specialty?

The primary specialty registered for this NPI is Hospitalist with taxonomy code 208M00000X.

Is Nathaniel Yu Chua enrolled in Medicare?

Yes. Nathaniel Yu Chua is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organizations bill Medicare for Nathaniel Yu Chua's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Nathaniel Yu Chua reassigns Medicare benefits to 4 organizations: Multicare Health System (Tacoma, WA), Franciscan Medical Group (Tacoma, WA), South Sound Inpatient Physicians PLLC (Auburn, WA) and Virginia Mason Medical Center (Seattle, WA). Each 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 Nathaniel Yu Chua's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Nathaniel Yu Chua accept?

Health plans from Ambetter Health and Premera Blue Cross Blue Shield of Alaska list Nathaniel Yu Chua 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.

Is Nathaniel Yu Chua affiliated with any hospitals?

According to CMS data, Nathaniel Yu Chua is affiliated with St Clare Hospital, Summit Pacific Medical Center and St Elizabeth Hospital.

When was this NPI record last updated?

The NPPES record for Nathaniel Yu Chua was last updated on July 2, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.