What is Johnathan Klaus's NPI number?

Johnathan Klaus's National Provider Identifier (NPI) is 1528998895, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Johnathan Klaus's specialty?

Johnathan Klaus is listed in the NPPES registry with a primary specialty of Administrator Registered Nurse (Nursing Service Providers).

Where is Johnathan Klaus located?

Johnathan Klaus's practice location on file with NPPES is 1413 Hollins St, Baltimore, MD 21223-2417.

What is Johnathan Klaus's phone number?

The practice phone number listed in the NPPES registry for Johnathan Klaus is (410) 977-9300.

Is Johnathan Klaus's NPI active?

Yes — Johnathan Klaus's NPI (1528998895) is active in the NPPES registry as of the last update on 2026-05-20.

IndividualActive

Johnathan Klaus, RN

NPI 1528998895 · Administrator Registered Nurse · Baltimore, MD

Johnathan Klaus, RN is a Administrator Registered Nurse provider in Baltimore, MD (NPI 1528998895).

Provider details

NPI number: 1528998895
Entity type: Individual
Primary specialty: Administrator Registered NurseNursing Service Providers
Credential: RN
Sex: Male
Sole proprietor: No
License: R175837 (MD)

Specialties & taxonomies

Administrator Registered NursePrimary163WA2000XLicense R175837 (MD)
Nursing Service Providers

Profile Score

Established profile(53/100 index)

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

Registry tenure38% of score
Under 1 yr in 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

1413 Hollins St

Baltimore, MD 21223-2417

Phone: (410) 977-9300

Street-level locationGet directions

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Mailing address