Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

DR. JONATHAN KEYES MD
NPI 1578149381
Internal Medicine - Nephrology in Visalia, CA

Active since March 22, 2021PECOS Enrolled
233 E CALDWELL AVE, VISALIA, CA 93277(559) 228-6600(559) 226-3709 Get Directions Write a Review

NPPES record last updated: August 19, 2026. Verified against the NPPES registry weekly; last sync: August 23, 2026.

Record update history: Aug 19, 2026, Mar 22, 2021 (2 updates tracked since 2021).

About Dr. Jonathan Keyes Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. JONATHAN KEYES MD (NPI 1578149381) is an individual nephrology provider in Visalia, California, licensed in California (A195221) and active in the NPI registry since March 2021. He is enrolled in Medicare PECOS and is a graduate of University Of Florida College Of Medicine (2021).

NPPES Registry Identity

NPI1578149381
Entity TypeIndividualMale
Primary Taxonomy207RN0300X
Provider Legal NameDR. JONATHAN KEYESCredential: MD
Location Address233 E CALDWELL AVEVisalia, CA 93277-7605
Mailing Address568 E Herndon Ave Ste 201Fresno, CA 93720-2989 · (559) 228-6600 · Fax (559) 226-3709
Fax(559) 226-3709
Sole ProprietorYes
Medical School CMSUniversity Of Florida College Of MedicineGraduated 2021
Enumeration DateMarch 22, 2021
Last NPPES UpdateAugust 19, 20262 updates tracked since enumeration
NPPES CertifiedAugust 19, 2026
NPI 1578149381 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyInternal Medicine · NephrologyAllopathic & Osteopathic Physicians
Taxonomy Code207RN0300X
License Licensed in CA · A195221
Definition
An internist who treats disorders of the kidney, high blood pressure, fluid and mineral balance and dialysis of body wastes when the kidneys do not function. This specialist consults with surgeons about kidney transplantation.
233 E CALDWELL AVE, Visalia, CA 93277

Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare (PECOS)

Dr. Jonathan Keyes Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID2466854013
PECOS Enrollment IDI20260521001293
Eligible to Order & Refer Part B Labs & Imaging Durable Medical Equipment Home Health Agency Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 93277 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$133.94 typical visit price
range $58.87 – $176.60
Typical copayment $33.48 (range $14.71 – $44.15)
Most-billed visit code 99204
Established Patient
$103.36 typical visit price
range $19.28 – $144.60
Typical copayment $25.84 (range $4.82 – $36.15)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 2

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Nurse Practitioner (Family)
233 E CALDWELL AVE
VISALIA, CA 93277
Internal Medicine (Nephrology)
233 E CALDWELL AVE
VISALIA, CA 93277

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Jonathan Keyes's NPI number?

The NPI number for Jonathan Keyes is 1578149381. It was assigned to this individual provider in the NPPES registry on March 22, 2021.

Where is Jonathan Keyes located?

Jonathan Keyes practices at 233 E Caldwell Ave, Visalia, CA 93277. The listed phone number is (559) 228-6600.

What is Jonathan Keyes's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Nephrology, with taxonomy code 207RN0300X.

Is Jonathan Keyes enrolled in Medicare?

Yes. Jonathan Keyes is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Jonathan Keyes was last updated on August 19, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.