Kenneth H Markiewicz DO PC
NPI 1376709337 · Otolaryngology Physician · Grand Rapids, MI
Kenneth H Markiewicz DO PC is a Otolaryngology Physician organization in Grand Rapids, MI (NPI 1376709337).
Provider details
- NPI number
- 1376709337
- Entity type
- Organization
- Primary specialty
- Otolaryngology PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Kenneth Markiewicz, Owner(616) 285-3733
- License
- 5101007662 (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
17 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
- 2008-07-30
- Last updated
- 2009-01-13
Frequently asked questions
- What is Kenneth H Markiewicz DO PC's NPI number?
- Kenneth H Markiewicz DO PC's National Provider Identifier (NPI) is 1376709337, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Kenneth H Markiewicz DO PC?
- Kenneth H Markiewicz DO PC is classified in the NPPES registry as Otolaryngology Physician (Allopathic & Osteopathic Physicians).
- Where is Kenneth H Markiewicz DO PC located?
- Kenneth H Markiewicz DO PC's practice location on file with NPPES is 2323 E Paris Ave Se, Grand Rapids, MI 49546-2414.
- What is Kenneth H Markiewicz DO PC's phone number?
- The practice phone number listed in the NPPES registry for Kenneth H Markiewicz DO PC is (616) 285-3733.
- Who is the authorized official for Kenneth H Markiewicz DO PC?
- The authorized official listed on Kenneth H Markiewicz DO PC's NPPES record is Kenneth Markiewicz, Owner. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Kenneth H Markiewicz DO PC's NPI active?
- Yes — Kenneth H Markiewicz DO PC's NPI (1376709337) is active in the NPPES registry as of the last update on 2009-01-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.