Darin Kiefer
NPI 1619471919 · Physical Therapy Assistant · Lowell, MI
Darin Kiefer is a Physical Therapy Assistant provider in Lowell, MI (NPI 1619471919).
Provider details
- NPI number
- 1619471919
- Entity type
- Individual
- Primary specialty
- Physical Therapy AssistantRespiratory, Developmental, Rehabilitative and Restorative Service Providers
- Sex
- Male
- Sole proprietor
- No
- License
- 5502004167 (MI)
Specialties & taxonomies
Respiratory, Developmental, Rehabilitative and Restorative Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
8 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
Mailing address
Registry dates
- Enumerated
- 2018-03-21
- Last updated
- 2018-03-21
Frequently asked questions
- What is Darin Kiefer's NPI number?
- Darin Kiefer's National Provider Identifier (NPI) is 1619471919, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Darin Kiefer's specialty?
- Darin Kiefer is listed in the NPPES registry with a primary specialty of Physical Therapy Assistant (Respiratory, Developmental, Rehabilitative and Restorative Service Providers).
- Where is Darin Kiefer located?
- Darin Kiefer's practice location on file with NPPES is 2050 W Main St, Lowell, MI 49331-8639.
- What is Darin Kiefer's phone number?
- The practice phone number listed in the NPPES registry for Darin Kiefer is (616) 987-0019.
- Is Darin Kiefer's NPI active?
- Yes — Darin Kiefer's NPI (1619471919) is active in the NPPES registry as of the last update on 2018-03-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.