What is John Mallek's NPI number?

John Mallek's National Provider Identifier (NPI) is 1982650248, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is John Mallek's specialty?

John Mallek is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).

Where is John Mallek located?

John Mallek's practice location on file with NPPES is 1210 W 18th St, Sioux Falls, SD 57104-4647.

What is John Mallek's phone number?

The practice phone number listed in the NPPES registry for John Mallek is (605) 328-3485.

Is John Mallek's NPI active?

Yes — John Mallek's NPI (1982650248) is active in the NPPES registry as of the last update on 2007-10-22.

IndividualActive

John Mallek, MD

NPI 1982650248 · Internal Medicine Physician · Sioux Falls, SD

John Mallek, MD is a Internal Medicine Physician provider in Sioux Falls, SD (NPI 1982650248).

Provider details

NPI number: 1982650248
Entity type: Individual
Primary specialty: Internal Medicine PhysicianAllopathic & Osteopathic Physicians
Credential: MD
Sex: Male
Sole proprietor: No
License: 3520 (SD)

Specialties & taxonomies

Internal Medicine PhysicianPrimary207R00000XLicense 3520 (SD)
Allopathic & Osteopathic Physicians

Profile Score

Detailed profile(91/100 index)

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

Registry tenure38% of score
20 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

1210 W 18th St

Sioux Falls, SD 57104-4647

Phone: (605) 328-3485

Fax: (605) 328-3484

Street-level locationGet directions

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Mailing address