What is Jonathan Chang's NPI number?

Jonathan Chang's National Provider Identifier (NPI) is 1518462431, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Jonathan Chang's specialty?

Jonathan Chang is listed in the NPPES registry with a primary specialty of Hospitalist Physician (Allopathic & Osteopathic Physicians).

Where is Jonathan Chang located?

Jonathan Chang's practice location on file with NPPES is 401 15th Ave Se, Puyallup, WA 98372-3715.

What is Jonathan Chang's phone number?

The practice phone number listed in the NPPES registry for Jonathan Chang is (253) 697-4000.

Does Jonathan Chang accept Medicare?

Jonathan Chang is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.

Is Jonathan Chang's NPI active?

Yes — Jonathan Chang's NPI (1518462431) is active in the NPPES registry as of the last update on 2021-06-14.

IndividualActiveAccepts Medicare

Jonathan Chang, MD

NPI 1518462431 · Hospitalist Physician · Puyallup, WA

Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)

Jonathan Chang, MD is a Hospitalist Physician provider in Puyallup, WA (NPI 1518462431).

Provider details

NPI number: 1518462431
Entity type: Individual
Primary specialty: Hospitalist PhysicianAllopathic & Osteopathic Physicians
Credential: MD
Sex: Male
Sole proprietor: No

Specialties & taxonomies

Hospitalist PhysicianPrimary208M00000XLicense PENDING (WA)
Allopathic & Osteopathic Physicians
Student in an Organized Health Care Education/Training Program390200000X
Student, Health Care

Profile Score

Established profile(62/100 index)

A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.

Registry tenure28% of score
8 yrs in NPPES registry
Profile completeness28% of score
83% of core fields populated
Practice footprint17% of score
2 documented practice locations
Medicare service volume (vs. specialty peers)28% of score
568 Medicare services, 2024 (ranked within specialty)

Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.

What this provider does (Medicare)

Based on Medicare fee-for-service claims, 2024; not all care is captured.

Service (HCPCS)	Medicare services	Typical Medicare-allowed (2024)
Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233	322	$115
Hospital Discharge Day Management, More Than 30 Minutes99239	110	$112
Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232	83	$77
Critical Care, First 30-74 Minutes99291	31	$207
Subsequent Hospital Care With Straightforward Or Low Level of Medical Decision Making, Per Day, If Using Time, at Least 25 Minutes99231	22	$48

Typical Medicare-allowed amounts for these services range $48–$207 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.

What this provider prescribes (Medicare Part D)

Top drugs by Medicare Part D claim volume, 2024 · 12 distinct drugs on file.

Drug	Part D claims (2024)	Beneficiaries
Cefdinir	34	34
Metoprolol Succinate	30	20
Atorvastatin Calcium	24	18
Prednisone	20	18
Lisinopril	19	11
Pantoprazole Sodium	17	13
Carvedilol	16	—

Practice location

401 15th Ave Se

Puyallup, WA 98372-3715

Phone: (253) 697-4000

Street-level locationGet directions

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Mailing address