Individual provider Active NPI

Josiah Aaron Valk, DO

  • Orthopaedic Surgery Physician
  • San Diego, CA
National Provider Identifier
1619534963
Registry record updated Jul 9, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Orthopaedic Surgery PhysicianTaxonomy code 207X00000X
License
20A22266 Issued in CA
Practice address
4445 Eastgate Mall Ste 105
San Diego, CA 92121-1979
Phone
(619) 229-5018
NPI assigned
May 22, 2019
Last updated
Jul 9, 2025By the provider in NPPES
Sex
Male
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Jul 9, 2025

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

Specialties & licenses 3

Specialty (taxonomy)CodeLicenseStatePrimary
Orthopaedic Surgery Physician 207X00000X 5151013492 MI
Orthopaedic Surgery Physician 207X00000X 5101026685 MI
Orthopaedic Surgery Physician 207X00000X 20A22266 CA Primary

Addresses

Primary practice location

4445 Eastgate Mall Ste 105
San Diego, CA 92121-1979

Mailing address

5057 Mission Blvd
San Diego, CA 92109-1752
Phone (269) 501-9929

Other practice location 1

28050 Grand River Ave
Farmington Hills, MI 48336-5919
Phone (269) 501-9929

Other practice location 2

10000 Telegraph Rd Ste 100
Taylor, MI 48180-3330
Phone (313) 887-6000

Other practice location 3

6 Longmeadow Village Dr Ste 1
Niles, MI 49120-7810
Phone (269) 684-6484

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in MI, 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
I20220622002050 MI Practitioner - Orthopedic Surgery 0749514172 Reassigns benefits to 3 organizations
I20240625001807 CA Practitioner - Orthopedic Surgery 0749514172 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Orthopedic Surgery
Education
Michigan State University College of Osteopathic Medicine, 2019
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Lakeland Medical PracticesGroup PAC ID 1658427042, 286 clinicians

Practice addresses (Care Compare)

183 Peace Blvd
Saint Joseph, MI 49085-9146
Phone (269) 428-3500

6 Longmeadow Village Dr
Suite 1
Niles, MI 49120-7810
Phone (269) 684-6484

Hospital & facility affiliations

Merit-based Incentive Payment System (MIPS)

Final score
100 of 100Reported as group
Promoting interoperability
99
Improvement activities
40

Merit-based Incentive Payment System (MIPS)

Final score
84.37 of 100Reported as group
Quality
66.73
Promoting interoperability
100
Improvement activities
40
Cost
70.98

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)23
Removal of tissue1-10

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
20A22266CAMDOrthopaedic Surgery Physician
5101026685MIMDOrthopaedic Surgery Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Southwest Michigan Center for Orthopaedic and Sports Medicine P CurrentSince Sep 2, 2025 Accepting new patients
Synergy Orthopedic Specialists, Inc. CurrentSince Aug 1, 2024 Accepting new patients
Synergy Orthopedic Specialists, Inc. Orthopaedic Surgery CurrentSince Aug 1, 2024 Accepting new patients
Lakeland Medical Practices CurrentSince Jul 2, 2025 Accepting new patients
Lakeland Medical Practices CurrentSince Jul 2, 2025 Accepting new patients
Beaumont Medical Group- Specialty Services CurrentSince Jul 1, 2022 Accepting new patients
Oakwood Healthcare Inc PastSince May 1, 2022 Accepting new patients

Locations

88 E Bonita Rd
Ste C
Chula Vista, CA 91910
Phone (619) 230-0855

4445 Eastgate Mall
Ste 103
San Diego, CA 92121
Phone (858) 450-7118

4445 Eastgate Mall
Ste 105
San Diego, CA 92121
Phone (858) 357-9450

4910 Directors Pl
Ste 350
San Diego, CA 92121
Phone (858) 346-7171

28050 Grand River Ave
Farmington Hills, MI 48336
Phone (248) 471-8000

28100 Grand River Ave
Ste 301
Farmington Hills, MI 48336
Phone (947) 521-1320

6 Longmeadow Village Dr
Ste 1
Niles, MI 49120
Phone (269) 684-3028

183 Peace Blvd
Saint Joseph, MI 49085
Phone (269) 408-1636

3950 Hollywood Rd
Ste 280
Saint Joseph, MI 49085
Phone (269) 408-0990

26901 Beaumont Blvd
Ste 3D
Southfield, MI 48033
Phone (947) 522-1860

10000 Telegraph Rd
Ste 100
Taylor, MI 48180
Phone (313) 887-6000

Interoperability endpoints

  • Direct secure messaging: jvalk1259846@epic00.shdirect.org

Organizations & group practices 7

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.

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": "1558483200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1752019200000",
    "number": "1619534963",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "5057 MISSION BLVD",
            "city": "SAN DIEGO",
            "state": "CA",
            "postal_code": "921091752",
            "telephone_number": "269-501-9929"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "4445 EASTGATE MALL STE 105",
            "city": "SAN DIEGO",
            "state": "CA",
            "postal_code": "921211979",
            "telephone_number": "619-229-5018"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "28050 Grand River Ave",
            "address_purpose": "LOCATION",
            "city": "Farmington Hills",
            "state": "MI",
            "postal_code": "483365919",
            "country_code": "US",
            "telephone_number": "269-501-9929",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "10000 Telegraph Rd Ste 100",
            "address_purpose": "LOCATION",
            "city": "Taylor",
            "state": "MI",
            "postal_code": "481803330",
            "country_code": "US",
            "telephone_number": "313-887-6000",
            "fax_number": "313-887-6005",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "6 Longmeadow Village Dr Ste 1",
            "address_purpose": "LOCATION",
            "city": "Niles",
            "state": "MI",
            "postal_code": "491207810",
            "country_code": "US",
            "telephone_number": "269-684-6484",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "VALK",
        "first_name": "JOSIAH",
        "middle_name": "AARON",
        "name_prefix": "Dr.",
        "credential": "DO",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2019-05-22",
        "last_updated": "2025-07-09",
        "certification_date": "2025-07-09",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207X00000X",
            "taxonomy_group": "",
            "desc": "Orthopaedic Surgery",
            "state": "MI",
            "license": "5151013492",
            "primary": false
        },
        {
            "code": "207X00000X",
            "taxonomy_group": "",
            "desc": "Orthopaedic Surgery",
            "state": "MI",
            "license": "5101026685",
            "primary": false
        },
        {
            "code": "207X00000X",
            "taxonomy_group": "",
            "desc": "Orthopaedic Surgery",
            "state": "CA",
            "license": "20A22266",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in San Diego, CA

Sources for this page

Verify at the official NPI Registry.