What is Diane Merkt's NPI number?

Diane Merkt's National Provider Identifier (NPI) is 1144396524, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Diane Merkt's specialty?

Diane Merkt is listed in the NPPES registry with a primary specialty of Physical Therapist (Respiratory, Developmental, Rehabilitative and Restorative Service Providers).

Where is Diane Merkt located?

Diane Merkt's practice location on file with NPPES is 446 E Ontario St, Chicago, IL 60611-4418.

What is Diane Merkt's phone number?

The practice phone number listed in the NPPES registry for Diane Merkt is (312) 926-3700.

Is Diane Merkt's NPI active?

Yes — Diane Merkt's NPI (1144396524) is active in the NPPES registry as of the last update on 2007-07-08.

IndividualActive

Diane Merkt

NPI 1144396524 · Physical Therapist · Chicago, IL

Diane Merkt is a Physical Therapist provider in Chicago, IL (NPI 1144396524).

Provider details

NPI number: 1144396524
Entity type: Individual
Primary specialty: Physical TherapistRespiratory, Developmental, Rehabilitative and Restorative Service Providers
Sex: Female
Sole proprietor: No

Specialties & taxonomies

Physical TherapistPrimary225100000X
Respiratory, Developmental, Rehabilitative and Restorative Service Providers

Profile Score

Detailed profile(84/100 index)

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

Registry tenure38% of score
19 yrs in NPPES registry
Profile completeness38% of score
83% 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

446 E Ontario St

Chicago, IL 60611-4418

Phone: (312) 926-3700

Street-level locationGet directions

More IL providers

Mailing address

707 N Leavitt St

Chicago, IL 60612-1309

Enumerated: 2006-11-28
Last updated: 2007-07-08

Frequently asked questions

What is Diane Merkt's NPI number?: Diane Merkt's National Provider Identifier (NPI) is 1144396524, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
What is Diane Merkt's specialty?: Diane Merkt is listed in the NPPES registry with a primary specialty of Physical Therapist (Respiratory, Developmental, Rehabilitative and Restorative Service Providers).
Where is Diane Merkt located?: Diane Merkt's practice location on file with NPPES is 446 E Ontario St, Chicago, IL 60611-4418.
What is Diane Merkt's phone number?: The practice phone number listed in the NPPES registry for Diane Merkt is (312) 926-3700.
Is Diane Merkt's NPI active?: Yes — Diane Merkt's NPI (1144396524) is active in the NPPES registry as of the last update on 2007-07-08.

Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.