What is Andrea Harwig's NPI number?

Andrea Harwig's National Provider Identifier (NPI) is 1699383000, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Andrea Harwig's specialty?

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

Where is Andrea Harwig located?

Andrea Harwig's practice location on file with NPPES is 21237 Lassen St Unit 3, Chatsworth, CA 91311-6831.

What is Andrea Harwig's phone number?

The practice phone number listed in the NPPES registry for Andrea Harwig is (181) 821-6951.

Does Andrea Harwig accept Medicare?

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

Is Andrea Harwig's NPI active?

Yes — Andrea Harwig's NPI (1699383000) is active in the NPPES registry as of the last update on 2020-07-21.

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Andrea Harwig, DPT, GCS

NPI 1699383000 · Geriatric Physical Therapist · Chatsworth, CA

Andrea Harwig, DPT, GCS is a Geriatric Physical Therapist provider in Chatsworth, CA (NPI 1699383000).

Provider details

NPI number: 1699383000
Entity type: Individual
Primary specialty: Geriatric Physical TherapistRespiratory, Developmental, Rehabilitative and Restorative Service Providers
Credential: DPT, GCS
Sex: Female
Sole proprietor: Yes
License: 22942 (CA)

Practice location

21237 Lassen St Unit 3

Chatsworth, CA 91311-6831

Phone: (181) 821-6951

Street-level locationGet directions

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Mailing address

21237 Lassen St Unit 3

Chatsworth, CA 91311-6831

Specialties & taxonomies

Geriatric Physical TherapistPrimary2251G0304XLicense 22942 (CA)
Respiratory, Developmental, Rehabilitative and Restorative Service Providers

Enrolled with Medicare as Practitioner - Physical Therapist in Private Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)

Profile Score

Established profile(64/100 index)

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

Registry tenure38% of score
6 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.

Enumerated: 2020-07-21
Last updated: 2020-07-21
Certified: 2020-07-21

Frequently asked questions

What is Andrea Harwig's NPI number?: Andrea Harwig's National Provider Identifier (NPI) is 1699383000, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
What is Andrea Harwig's specialty?: Andrea Harwig is listed in the NPPES registry with a primary specialty of Geriatric Physical Therapist (Respiratory, Developmental, Rehabilitative and Restorative Service Providers).
Where is Andrea Harwig located?: Andrea Harwig's practice location on file with NPPES is 21237 Lassen St Unit 3, Chatsworth, CA 91311-6831.
What is Andrea Harwig's phone number?: The practice phone number listed in the NPPES registry for Andrea Harwig is (181) 821-6951.
Does Andrea Harwig accept Medicare?: Andrea Harwig is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
Is Andrea Harwig's NPI active?: Yes — Andrea Harwig's NPI (1699383000) is active in the NPPES registry as of the last update on 2020-07-21.

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

Provider details

Practice location

Mailing address

Specialties & taxonomies

Profile Score

Registry dates

Frequently asked questions

Specialties & taxonomies

Profile Score

Frequently asked questions