Individual provider Active NPI

Raymond J. Delorenzi, MD

  • Orthopaedic Surgery Physician
  • Merced, CA
National Provider Identifier
1104882539
Registry record updated May 7, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Orthopaedic Surgery PhysicianTaxonomy code 207X00000X
License
C183342 Issued in CA
Practice address
450 E Yosemite Ave Ste D
Merced, CA 95340-8429
Phone
(350) 225-3602
Fax
(909) 752-8719
NPI assigned
Apr 25, 2006
Last updated
May 7, 2026By the provider in NPPES
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on May 7, 2026

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Orthopaedic Surgery Physician 207X00000X C183342 CA Primary

Addresses

Primary practice location

450 E Yosemite Ave Ste D
Merced, CA 95340-8429

Mailing address

450 E Yosemite Ave Ste D
Merced, CA 95340-8429
Phone (350) 225-3602

Other practice location 1

333 Mercy Ave
Merced, CA 95340-8319
Phone (209) 564-5000

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in FL, CA2 enrollments
Eligible to order & refer
  • Part B services: Yes
  • Medical equipment: Yes
  • Home health: Yes
  • Power mobility devices: Yes
  • Hospice: Yes
Green means eligible to order or refer.

Enrollment records 2

Enrollment IDStateProvider typePAC IDDetails
I20051216000093 FL Practitioner - Orthopedic Surgery 6103847256 Reassigns benefits to 1 organization
I20221220001418 CA Practitioner - Orthopedic Surgery 6103847256 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Orthopedic Surgery
Education
Indiana University School of Medicine, 1982
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Dignity Health Medical FoundationGroup PAC ID 7810800661, 1,211 clinicians

Practice addresses (Care Compare)

315 Mercy Ave
Suite 400
Merced, CA 95340-8368
Phone (209) 564-3700

Hospital & facility affiliations

Procedures performed for Medicare patients

ProcedureNumber of procedures
Hip replacement1-10
Knee replacement1-10
Lower limb (leg) arthroscopy (minimally invasive joint repair)1-10
Upper limb (arm) arthroscopy (minimally invasive joint repair)1-10

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Doctor of Medicine

State licenses

LicenseStateTypeSpecialty
C183342CAMDOrthopaedic Surgery Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Steward Medical Group, Inc. CurrentSince Jan 7, 2019 Accepting new patients
Steward Medical Group, Inc CurrentSince Jan 7, 2019 Accepting new patients
Dignity Health Medical Foundation CurrentSince Nov 22, 2022 Accepting new patients
Dignity Health Medical Foundation Current Accepting new patients
Dignity Health Medical Foundation CurrentSince Nov 22, 2022 Accepting new patients
Holmes Regional Medical Center, Inc. Past Accepting new patients
Stewart and Stewart a Medical Corporation Past Accepting new patients
Osler Medical Inc Past Accepting new patients
Viera Sports Medicine & Orthopedic Center, Inc Orthopaedic Surgery Past Accepting new patients
Dignity Health Past Accepting new patients
Viera Hospital Inc Past Accepting new patients
St Catherine Hospital Past Accepting new patients
Paul J Wisniewski DO Inc Past Accepting new patients

Locations

315 Mercy Ave
Ste 400
Merced, CA 95340
Phone (209) 564-3700

333 Mercy Ave
Merced, CA 95340
Phone (209) 385-1280

3400 Data Dr
Rncho Cordova, CA 95670
Phone (916) 379-2726

240 N Wickham Rd
Ste 300
Melbourne, FL 32935
Phone (321) 308-5050

7970 N Wickham Rd
Ste 102
Melbourne, FL 32940
Phone (321) 255-7711

103 Longwood Ave
Rockledge, FL 32955
Phone (321) 631-5677

8000 Ron Beatty Blvd
Ste A-3
Sebastian, FL 32976
Phone (772) 664-1388

Organizations & group practices 13

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships, National Provider Directory roles and organizations whose NPPES authorized official is this provider.

View all 13

Hospital & facility affiliations 2

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

NPI Registry JSON

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1145923200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1778112000000",
    "number": "1104882539",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "450 E YOSEMITE AVE STE D",
            "city": "MERCED",
            "state": "CA",
            "postal_code": "953408429",
            "telephone_number": "350-225-3602",
            "fax_number": "909-752-8719"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "450 E YOSEMITE AVE STE D",
            "city": "MERCED",
            "state": "CA",
            "postal_code": "953408429",
            "telephone_number": "350-225-3602",
            "fax_number": "909-752-8719"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "333 Mercy Ave",
            "address_purpose": "LOCATION",
            "city": "Merced",
            "state": "CA",
            "postal_code": "953408319",
            "country_code": "US",
            "telephone_number": "209-564-5000",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "DELORENZI",
        "first_name": "RAYMOND",
        "middle_name": "J.",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-04-25",
        "last_updated": "2026-05-07",
        "certification_date": "2026-05-07",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207X00000X",
            "taxonomy_group": "",
            "desc": "Orthopaedic Surgery",
            "state": "CA",
            "license": "C183342",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Merced, CA

Sources for this page

Verify at the official NPI Registry.