Dr. William G. Ondo, MD

Dr. Ondo practices at Texas Children's Hospital - Mfm the Methodist Hospital - HOPD in Houston, Texas.

Dr. Ondo's NPI, 1851471437, was assigned on October 17, 2006. Dr. Ondo graduated from VCU School of Medicine in 1991. Dr. Ondo's Texas license number on file is K0969.

Dr. Ondo's primary practice is Texas Children's Hospital - Mfm the Methodist Hospital - HOPD, at 6550 Fannin St, Houston, TX 77030.

Dr. Ondo's primary practice is Texas Children's Hospital - Mfm the Methodist Hospital - HOPD in Houston, Texas. Dr. Ondo is also affiliated with Houston Methodist Hospital. The medical group on file is UT Physicians. Dmand AI also links Dr. Ondo to 1 more hospital, 3 group practices and clinics and 2 medical groups, each named with a free account.

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Ondo practices, 6 sites in all. Vendor and product names are available with a free account.

Neurology is Dr. Ondo's primary specialty in the NPI Registry, under taxonomy code 2084N0400X. Dr. Ondo is board certified in neurology by the American Board of Psychiatry and Neurology. Dmand AI has Dr. Ondo's licenses on file in 2 states: Texas and North Carolina.

Dmand AI lists encephalopathy, essential tremor, migraine and chronic headache, muscle disease, neck pain and spine problems, nerve damage, neuropathy and non-alzheimer's dementia (chronic) among the conditions Dr. Ondo treats.

CMS data shows 37,506 Medicare services from Dr. Ondo across 15 procedure codes in 2024, for 395 Medicare patients. Medicare paid $311,765 for them. Every service was in an office.

CMS counts 395 Medicare patients who saw Dr. Ondo in 2024. The largest group is 65 to 74, with 173 patients. 75% of them have high cholesterol, and 71% have high blood pressure. 5% are also on Medicaid. Their average risk score is 1.40, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Dr. Ondo's median patient age at 74, with 47% women.

In 2024, Dr. Ondo wrote 5,065 Medicare Part D claims for 549 patients. 70% of them were for generic drugs. CMS names the drug for 4,825 of them, across 64 drugs with 11 or more claims each, at $3,543,379 in total drug cost. In 2023, CMS named 4,787 claims across 61 drugs.

Dr. Ondo accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Ondo as offering telehealth. CMS counts 22 procedures of skin biopsy by Dr. Ondo, more than 63% of the clinicians it reports for that procedure.

Dmand AI links 131 papers to Dr. Ondo, published from 2005 to 2025. 2020 was the busiest year, with 11. The most frequent topics are Restless Legs Syndrome, Parkinson Disease and Double-Blind Method. Dr. Ondo has published most often in Mov Disord. Dr. Ondo's most frequent co-authors are Joseph Jankovic, MD, Robert A. Hauser, MD and John W. Winkelman, MD, PhD.

Dmand AI links Dr. Ondo to 8 clinical trials, 3 of them phase 4 studies. 1 is still active or recruiting. Conditions studied include Restless Legs Syndrome, Parasomnias and Essential Tremor. William Ondo, MD sponsors the most, 3. Open Payments lists research payments to Dr. Ondo that name 4 trials.

CMS Open Payments shows 2,804 general payments to Dr. Ondo from 66 drug and device companies from 2016 to 2025. Speaker and faculty fees make up the largest share, 57% of the total. Neurocrine BioSciences, Inc. paid the most, $406,612. It also lists 16 research payments totaling $39,251 from 2016 to 2025, naming 4 clinical trials.

Dr. Ondo graduated from VCU School of Medicine in 1991.

Dr. Ondo is in network with 17 carriers, including Aetna, United Healthcare and Blue Cross Blue Shield of Michigan. PPO plans come from the most carriers, 12. Check the plan with the practice before a visit.