What is John Zemkewicz's NPI number?

John Zemkewicz's National Provider Identifier (NPI) is 1720844640, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is John Zemkewicz's specialty?

John Zemkewicz is listed in the NPPES registry with a primary specialty of General Practice Physician (Allopathic & Osteopathic Physicians).

Where is John Zemkewicz located?

John Zemkewicz's practice location on file with NPPES is 9040 Jackson Ave, Tacoma, WA 98431-0001.

What is John Zemkewicz's phone number?

The practice phone number listed in the NPPES registry for John Zemkewicz is (253) 968-2462.

Is John Zemkewicz's NPI active?

Yes — John Zemkewicz's NPI (1720844640) is active in the NPPES registry as of the last update on 2026-04-21.

IndividualActive

John Zemkewicz, DO

NPI 1720844640 · General Practice Physician · Tacoma, WA

John Zemkewicz, DO is a General Practice Physician provider in Tacoma, WA (NPI 1720844640).

Provider details

NPI number: 1720844640
Entity type: Individual
Primary specialty: General Practice PhysicianAllopathic & Osteopathic Physicians
Credential: DO
Sex: Male
Sole proprietor: No
License: 2026013178 (MO)

Specialties & taxonomies

General Practice PhysicianPrimary208D00000XLicense 2026013178 (MO)
Allopathic & Osteopathic Physicians

Profile Score

Established profile(57/100 index)

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

Registry tenure38% of score
2 yrs in NPPES registry
Profile completeness38% of score
100% of core fields populated
Practice footprint23% of score
1 documented practice location

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.

Practice location

9040 Jackson Ave

Tacoma, WA 98431-0001

Phone: (253) 968-2462

Street-level locationGet directions

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Mailing address