1. Home
  2. Directory
  3. Oregon
  4. Corvallis
  5. Internal Medicine
  6. NPI Profile

MR. JOHN R LADD M.D.
NPI 1164471967
Internal Medicine - Rheumatology in Corvallis, OR

Active since May 09, 2006
3680 NW SAMARITAN DR, CORVALLIS, OR 97330(541) 754-1150 Get Directions Write a Review

NPPES record last updated: January 6, 2009. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Mr. John R Ladd M.d. NPPES

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

MR. JOHN R LADD M.D. (NPI 1164471967) is an individual rheumatology provider in Corvallis, Oregon, licensed in Oregon (MD07353) and active in the NPI registry since May 2006.

NPPES Registry Identity

NPI1164471967
Entity TypeIndividualMale
Primary Taxonomy207RR0500X
Provider Legal NameMR. JOHN R LADDCredential: M.D.
Location Address3680 NW SAMARITAN DRCorvallis, OR 97330-3737
Mailing Address3680 Nw Samaritan DrCorvallis, OR 97330-3737
Phone(541) 754-1150
Sole ProprietorNo
Enumeration DateMay 9, 2006
Last NPPES UpdateJanuary 6, 2009
✔ NPI 1164471967 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · RheumatologyAllopathic & Osteopathic Physicians
Taxonomy Code207RR0500X
License✔ Licensed in OR · MD07353
Definition
An internist who treats diseases of joints, muscle, bones and tendons. This specialist diagnoses and treats arthritis, back pain, muscle strains, common athletic injuries and collagen diseases.
3680 NW SAMARITAN DR, Corvallis, OR 97330
Open in Google Maps ↗

Other Identifiers 4

Other110162961Medicare Railroad
Medicaid242693OR
Medicare PINR011WFBXFL
Medicare UPINC91523

Other Providers at the Same Location NPPES 20

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

MS. LAURA LUCZKIW
Dietitian, Registered
3680 NW SAMARITAN DR
CORVALLIS, OR 97330
Benton County (541) 754-1150
DR. KEVIN CUCCARO DO
Anesthesiology (Pain Medicine)
3680 NW SAMARITAN DR
CORVALLIS, OR 97330
Benton County (541) 754-1150
KOURTNEY L HANKS CNM/FNP
Nurse Practitioner
3680 NW SAMARITAN DR
CORVALLIS, OR 97330
Benton County (541) 754-1150
JOHN NARCISO NAVARRO PA-C
Physician Assistant
3680 NW SAMARITAN DR
CORVALLIS, OR 97330
Benton County (541) 754-1150
ROLAND SOLENSKY M.D.
Internal Medicine (Allergy & Immunology)
3680 NW SAMARITAN DR
CORVALLIS, OR 97330
Benton County (541) 754-1150
LINDA D KNOX CST
3680 NW SAMARITAN DR
CORVALLIS, OR 97330
Benton County (541) 754-1150
RUTH S PALMA NP
Nurse Practitioner (Family)
3680 NW SAMARITAN DR
CORVALLIS, OR 97330
Benton County (541) 754-1150
MS. ANNEMARIE BOYD PA-C
Physician Assistant
3680 NW SAMARITAN DR
CORVALLIS, OR 97330
Benton County (541) 754-1150

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 John Ladd's NPI number?

The NPI number for John Ladd is 1164471967. It was assigned to this individual provider in the NPPES registry on May 9, 2006.

Where is John Ladd located?

John Ladd practices at 3680 NW Samaritan Dr, Corvallis, OR 97330. The listed phone number is (541) 754-1150.

What is John Ladd's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Rheumatology, with taxonomy code 207RR0500X.

When was this NPI record last updated?

The NPPES record for John Ladd was last updated on January 6, 2009. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 years 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.