John Keltner, M.D.
NPI 1659353522 · Ophthalmology Physician · Sacramento, CA
Enrolled with Medicare as Practitioner - Ophthalmology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
John Keltner, M.D. is a Ophthalmology Physician provider in Sacramento, CA (NPI 1659353522).
Provider details
- NPI number
- 1659353522
- Entity type
- Individual
- Primary specialty
- Ophthalmology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- G15710 (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
20 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
- 2005-11-16
- Last updated
- 2011-12-13
Frequently asked questions
- What is John Keltner's NPI number?
- John Keltner's National Provider Identifier (NPI) is 1659353522, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Keltner's specialty?
- John Keltner is listed in the NPPES registry with a primary specialty of Ophthalmology Physician (Allopathic & Osteopathic Physicians).
- Where is John Keltner located?
- John Keltner's practice location on file with NPPES is 4860 Y St, Sacramento, CA 95817-2307.
- What is John Keltner's phone number?
- The practice phone number listed in the NPPES registry for John Keltner is (916) 734-6310.
- Does John Keltner accept Medicare?
- John Keltner is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is John Keltner's NPI active?
- Yes — John Keltner's NPI (1659353522) is active in the NPPES registry as of the last update on 2011-12-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.