John Kownacki MD a Medical Corporation
NPI 1922031467 · Ophthalmology Physician · La Mesa, CA
John Kownacki MD a Medical Corporation is a Ophthalmology Physician organization in La Mesa, CA (NPI 1922031467).
Provider details
- NPI number
- 1922031467
- Entity type
- Organization
- Primary specialty
- Ophthalmology PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- John Kownacki, MD Owner(619) 466-2022
- License
- G84672 (CA)
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
Other names (DBA / former)
- Former legal business name
- John Kownacki MD a Medical Corporation
Registry dates
- Enumerated
- 2006-07-08
- Last updated
- 2011-07-22
Frequently asked questions
- What is John Kownacki MD a Medical Corporation's NPI number?
- John Kownacki MD a Medical Corporation's National Provider Identifier (NPI) is 1922031467, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is John Kownacki MD a Medical Corporation?
- John Kownacki MD a Medical Corporation is classified in the NPPES registry as Ophthalmology Physician (Allopathic & Osteopathic Physicians).
- Where is John Kownacki MD a Medical Corporation located?
- John Kownacki MD a Medical Corporation's practice location on file with NPPES is 8881 Fletcher Pkwy, La Mesa, CA 91942-3134.
- What is John Kownacki MD a Medical Corporation's phone number?
- The practice phone number listed in the NPPES registry for John Kownacki MD a Medical Corporation is (619) 440-2022.
- Who is the authorized official for John Kownacki MD a Medical Corporation?
- The authorized official listed on John Kownacki MD a Medical Corporation's NPPES record is John Kownacki, MD Owner. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is John Kownacki MD a Medical Corporation's NPI active?
- Yes — John Kownacki MD a Medical Corporation's NPI (1922031467) is active in the NPPES registry as of the last update on 2011-07-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.