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Medical specialists in Ontario, CA

The federal NPI Registry lists 15 medical specialists with a practice address in Ontario, most of them along S Vineyard Ave and Inland Empire Blvd. Featured: Axis Pain & Anesthesia Group, 31.0 miles away in Downey.

Call Axis 562-252-0816 Book online

Sponsored placement

SponsoredNearest office: Downey · 31.0 mi

Axis Pain & Anesthesia Group

Interventional pain management · Offices in Downey, Tarzana and Bakersfield

Back and neck pain, sciatica, spinal stenosis, facet and SI-joint pain, knee arthritis, migraines and occipital neuralgia, and pain after knee, shoulder or back surgery.

8207 E 3rd St, Unit 104, Downey, CA 90241

Procedures are performed at Downey Outpatient Surgery Center, owned by the same physician. Referring doctors can email records to [email protected] or call.

Call 562-252-0816Book online with Axis

Sponsored. Axis Pain & Anesthesia Group is a client of Shak Web Group, which publishes this site.

Ontario at a glance

residents (2023 Census estimate)
182,457
County
San Bernardino
registered medical specialists with an office here
15
per 100,000 residents (area average 52.0)
8.2
ZIP with the most offices
91761

Registered medical specialists in Ontario

Alphabetical, from the federal NPI Registry (CMS), fetched 2026-11-05. Not a ranking or an endorsement; nobody pays to appear in this list. Confirm details with each office.

  • Alan Kuo, MD

    Internal Medicine, Cardiovascular Disease

    2295 S Vineyard Ave · 91761

    866-454-3485

  • Bryan Liou, MD

    Psychiatry & Neurology, Neurology

    2295 S Vineyard Ave Bldg. A · 91761

    888-750-0036

  • Cedar Pointe Medical Group INC

    Orthopaedic Surgery · Practice / group

    229 N Laurel Ave · 91762

    909-988-2554

  • Gabriel Trainer, MD

    Orthopaedic Surgery, Hand Surgery

    2295 S Vineyard Ave Department Of Orthopedics, Bldg D · 91761

    626-405-3697

  • Hasan Syed MD INC

    Orthopaedic Surgery · Practice / group

    5450 Jefferson Ave Ste 2 · 91710

    909-315-6515

  • Isaias Salazar, MD

    Orthopaedic Surgery

    2295 S Vineyard Ave Ste A · 91761

    909-724-2380

  • Jay Shah, MD

    Orthopaedic Surgery

    1520 N Mountain Ave Bulding E, Suite 205 · 91762

    909-981-3039

  • Joseph Hohl, MD

    Orthopaedic Surgery

    150 E Holt Blvd 3rd Floor · 91761

    909-458-1603

  • Lincoln Heights Family & Industrial Medical Clinic

    Nurse Practitioner, Obstetrics & Gynecology · Practice / group

    437 N Euclid Ave Suite A · 91762

    909-988-2555

  • Michael Oh, MD

    Psychiatry & Neurology, Neurology

    2295 S Vineyard Ave Bldg D · 91761

    888-750-0036

  • Southern California Orthopedic Medical Group INC

    Orthopaedic Surgery · Practice / group

    3602 Inland Empire Blvd Suite B 120 · 91764

    909-941-3986

  • The Dermatology Bar, A Medical Corporation

    Dermatology · Practice / group

    3333 Concours St. Bldg 1, Suite 1201 · 91764

    909-476-4077

  • Tushar Doshi, MD

    Orthopaedic Surgery

    3200 Inland Empire Blvd Suite 200 A · 91764

    909-373-2412

Plus 2 more registered in Ontario. Search them all at npiregistry.cms.hhs.gov.

Seeing a specialist in Ontario

  • Check the license with the Medical Board of California. Look up any physician on DocInfo.org.
  • HMO plans usually need a referral from your primary care doctor before a specialist visit; PPO plans usually do not.
  • Ask about the wait for a new-patient appointment and whether a cancellation list exists.
  • Send records and test results ahead of the visit so it is not spent repeating them.

Near Ontario

Questions people ask

How many medical specialists practice in Ontario?
The federal NPI Registry lists 15 medical specialists with a practice address in Ontario, most of them along S Vineyard Ave and Inland Empire Blvd. Source: CMS NPI Registry, practice-location addresses.
Which nearby cities have more options than Ontario?
Riverside (200, 13.9 mi), Pomona (78, 9.1 mi) and Corona (69, 12.3 mi).
Where is the closest Axis Pain & Anesthesia Group office to Ontario?
8207 E 3rd St, Unit 104, Downey, CA 90241, about 31.0 miles from Ontario. Call 562-252-0816 to book any office.
Does Axis treat accident patients on a lien?
Yes. Axis treats personal-injury patients on a medical lien signed by their attorney, so care can start before the case settles.

Talk to Axis, or send us a note

The fastest way is a call: 562-252-0816 books Downey, Tarzana or Bakersfield. Or leave your details and we will call you back.

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