Mr. John Steven Portwood
M.D. | Foot and Ankle Surgery
3838 Sherman Dr, Suite 2, Riverside
California, 92503-4001
951-354-7270 951-354-0625
Maps & DirectionsMr. John Steven Portwood is a Riverside, California based orthopedic surgeon who is specialized in Foot and Ankle Surgery. Active license number of Mr. John Steven Portwood is G51596 for Orthopedic Surgery in California.
Mr. John Steven Portwood deals with adult reconstructive foot and ankle surgery, adult foot and ankle trauma, sports medicine foot and ankle, and children's foot and ankle reconstructive surgery.
Complete Profile:
Mr. John Steven Portwood speciality, credentials, practice address, contact phone number and fax are as below.
Patients can directly walk in or can call on the below given phone number for appointment.
| Specialization: | Orthopedic - Foot and Ankle Surgery |
| Credentials: | M.D. |
| Gender: | Male |
| Practice Address: | 3838 Sherman Dr, Suite 2, Riverside,
California, 92503-4001 |
| Phone: | 951-354-7270 |
| Fax: | 951-354-0625 |
Professional Identification Codes:
NPI number stands for National Provider Identifier which is a unique 10-digit identification number issued to health care providers in the United States by the Centers for Medicare and Medicaid Services (CMS).
NPI details are as mentioned below.
| NPI Number: | 1255393492 |
| NPI Enumeration Date: | 04 Apr, 2006 |
| NPI Last Update On: | 02 Mar, 2010 |
Medical Licenses:
Doctors can have one or more medical licenses for different specialities in the same state or different states. Related medical licenses for Mr. John Steven Portwood are as mentioned below.
| License Number | Specialization | State | Status | |
| G51596 | Orthopedic Surgery | California | Primary | |
| G51596 | Foot and Ankle Surgery | California | Secondary | |
| G51596 | Orthopaedic Trauma | California | Secondary | |
| G51596 | Adult Reconstructive Orthopaedic Surgery | California | Secondary | |
Other Medical Identifiers:
Other legacy medical identifiers associated with Mr. John Steven Portwood such as Medicaid, Medicare PIN, NSC, UPIN etc. are mentioned as below.
| Identifier | Type | State | Issuer |
| 00G546710 | Medicaid | California | |
Business Mailing Address:
Business mailing address can be used for mailing purpose only, for visiting purpose patients need to refer above mentioned address.
| Address: | 3838 Sherman Dr, Suite 2
Riverside, California |
| Zip: | 92503-4001 |
| Phone Number: | 951-354-7270 |
| Fax Number: | 951-354-0625 |
Patients can reach Mr. John Steven Portwood at
3838 Sherman Dr, Suite 2, Riverside, California or can
call to book an appointment on 951-354-7270.
Comments/ Reviews:
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** Data of this site is collected from Medicare & Medicaid Services (CMS) and NPPES. Last updated on 13 October, 2025.