David Oviatt, MD
NPI 1164428298 · Hematology (Internal Medicine) Physician · Grand Rapids, MI
David Oviatt, MD is a Hematology (Internal Medicine) Physician provider in Grand Rapids, MI (NPI 1164428298).
Provider details
- NPI number
- 1164428298
- Entity type
- Individual
- Primary specialty
- Hematology (Internal Medicine) PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- License
- DO041780 (MI)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
21 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
- 2005-06-23
- Last updated
- 2007-07-08
Frequently asked questions
- What is David Oviatt's NPI number?
- David Oviatt's National Provider Identifier (NPI) is 1164428298, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is David Oviatt's specialty?
- David Oviatt is listed in the NPPES registry with a primary specialty of Hematology (Internal Medicine) Physician (Allopathic & Osteopathic Physicians).
- Where is David Oviatt located?
- David Oviatt's practice location on file with NPPES is 3230 Eagle Park Dr Ne, Grand Rapids, MI 49525-7007.
- What is David Oviatt's phone number?
- The practice phone number listed in the NPPES registry for David Oviatt is (616) 949-7079.
- Is David Oviatt's NPI active?
- Yes — David Oviatt's NPI (1164428298) 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.