MR. JOHN STEVEN PORTWOOD M.D.
NPI 1255393492
Orthopaedic Surgery in Riverside, CA

Active since April 04, 2006
3838 SHERMAN DR, SUITE 2, RIVERSIDE, CA 92503(951) 354-7270(951) 354-0625 Get Directions Write a Review

NPPES record last updated: March 2, 2010. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Mr. John Steven Portwood M.d. NPPES

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

MR. JOHN STEVEN PORTWOOD M.D. (NPI 1255393492) is an individual orthopaedic surgery provider in Riverside, California, licensed in California (G51596) and active in the NPI registry since April 2006.

NPPES Registry Identity

NPI1255393492
Entity TypeIndividualMale
Primary Taxonomy207X00000X
Provider Legal NameMR. JOHN STEVEN PORTWOODCredential: M.D.
Location Address3838 SHERMAN DR, SUITE 2Riverside, CA 92503-4001
Mailing Address3838 Sherman Dr, Suite 2Riverside, CA 92503-4001 · (951) 354-7270 · Fax (951) 354-0625
Fax(951) 354-0625
Sole ProprietorNo
Enumeration DateApril 4, 2006
Last NPPES UpdateMarch 2, 2010
NPI 1255393492 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 4

Primary SpecialtyOrthopaedic SurgeryAllopathic & Osteopathic Physicians
Taxonomy Code207X00000X
License Licensed in CA · G51596
Definition
An orthopaedic surgeon is trained in the preservation, investigation and restoration of the form and function of the extremities, spine and associated structures by medical, surgical and physical means. An orthopaedic surgeon is involved with the care of patients whose musculoskeletal problems include congenital deformities, trauma, infections, tumors, metabolic disturbances of the musculoskeletal system, deformities, injuries and degenerative diseases of the spine, hands, feet, knee, hip, shoulder and elbow in children and adults. An orthopaedic surgeon is also concerned with primary and secondary muscular problems and the effects of central or peripheral nervous system lesions of the musculoskeletal system.
Also ListedOrthopaedic Surgery · Adult Reconstructive Orthopaedic SurgeryTaxonomy 207XS0114X · License G51596 (CA)
Also ListedOrthopaedic Surgery · Foot and Ankle SurgeryTaxonomy 207XX0004X · License G51596 (CA)
Also ListedOrthopaedic Surgery · Orthopaedic TraumaTaxonomy 207XX0801X · License G51596 (CA)
3838 SHERMAN DR, Riverside, CA 92503

Other Identifiers 2

Medicare UPINE24856CA
Medicaid00G546710CA

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.

Pharmacist
3838 SHERMAN DR, STE 1
RIVERSIDE, CA 92503
Family Medicine
3838 SHERMAN DR, STE 12
RIVERSIDE, CA 92503
Pediatrics
3838 SHERMAN DR, SUITE 7
RIVERSIDE, CA 92503
Podiatrist
3838 SHERMAN DR, SUITE 9
RIVERSIDE, CA 92503
Nurse Practitioner
3838 SHERMAN DR, SUITE #5
RIVERSIDE, CA 92503
Physician Assistant (Medical)
3838 SHERMAN DR, SUITE 3
RIVERSIDE, CA 92503
Pediatrics
3838 SHERMAN DR, SUITE 204
RIVERSIDE, CA 92503
Family Medicine
3838 SHERMAN DR, SUITE # 203
RIVERSIDE, CA 92503

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 Portwood's NPI number?

The NPI number for John Portwood is 1255393492. It was assigned to this individual provider in the NPPES registry on April 4, 2006.

Where is John Portwood located?

John Portwood practices at 3838 Sherman Dr Suite 2, Riverside, CA 92503. The listed phone number is (951) 354-7270.

What is John Portwood's specialty?

The primary specialty registered for this NPI is Orthopaedic Surgery with taxonomy code 207X00000X.

When was this NPI record last updated?

The NPPES record for John Portwood was last updated on March 2, 2010. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 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.