Diane Hrivnak, O.T.
NPI 1285851550 · Occupational Therapy Assistant · Northville, MI
Diane Hrivnak, O.T. is a Occupational Therapy Assistant provider in Northville, MI (NPI 1285851550).
Provider details
- NPI number
- 1285851550
- Entity type
- Individual
- Primary specialty
- Occupational Therapy AssistantRespiratory, Developmental, Rehabilitative and Restorative Service Providers
- Credential
- O.T.
- Sex
- Female
- Sole proprietor
- Yes
- License
- 5201003201 (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
19 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
- 2007-04-19
- Last updated
- 2007-07-08
Frequently asked questions
- What is Diane Hrivnak's NPI number?
- Diane Hrivnak's National Provider Identifier (NPI) is 1285851550, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Diane Hrivnak's specialty?
- Diane Hrivnak is listed in the NPPES registry with a primary specialty of Occupational Therapy Assistant (Respiratory, Developmental, Rehabilitative and Restorative Service Providers).
- Where is Diane Hrivnak located?
- Diane Hrivnak's practice location on file with NPPES is 215 E Main St, Northville, MI 48167-1681.
- What is Diane Hrivnak's phone number?
- The practice phone number listed in the NPPES registry for Diane Hrivnak is (248) 349-9339.
- Is Diane Hrivnak's NPI active?
- Yes — Diane Hrivnak's NPI (1285851550) 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.