John Kosta, M.D.
NPI 1184642951 · Otolaryngology Physician · Grand Rapids, MI
Enrolled with Medicare as Practitioner - Otolaryngology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
John Kosta, M.D. is a Otolaryngology Physician provider in Grand Rapids, MI (NPI 1184642951).
Provider details
- NPI number
- 1184642951
- Entity type
- Individual
- Primary specialty
- Otolaryngology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- JK046253 (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
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
- 2006-07-18
- Last updated
- 2008-07-21
Frequently asked questions
- What is John Kosta's NPI number?
- John Kosta's National Provider Identifier (NPI) is 1184642951, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Kosta's specialty?
- John Kosta is listed in the NPPES registry with a primary specialty of Otolaryngology Physician (Allopathic & Osteopathic Physicians).
- Where is John Kosta located?
- John Kosta's practice location on file with NPPES is 655 Kenmoor Ave Se, Grand Rapids, MI 49546-8622.
- What is John Kosta's phone number?
- The practice phone number listed in the NPPES registry for John Kosta is (616) 575-1212.
- Does John Kosta accept Medicare?
- John Kosta is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is John Kosta's NPI active?
- Yes — John Kosta's NPI (1184642951) is active in the NPPES registry as of the last update on 2008-07-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.