Spinocerebellar ataxia type 2 presenting with cognitive regression in childhood (opens in a new tab)
J Child Neurol
Age of OnsetAtaxiaBlack or African American
Dr. Ryan O'Neill McDonald, MD
NPI1154595270PAC ID9638245889
- Medicare services, 2024
- 132,586
- Medicare patients, 2024
- 472
- Part D claims, 2024
- 3,045
- Publications
- 2
- Hospital affiliations
- 5
- Practice address
- 9180 Pinecroft Dr, Shenandoah, TX 77380
- Practice phone
- Call (713) 897-5900
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Mhs Physicians of Texas
Shenandoah, Texas
Find Dr. McDonald's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Ryan O'Neill McDonald is a neurologist in Shenandoah, Texas
Dr. McDonald practices at Mhs Physicians of Texas in Shenandoah, Texas.
Dr. McDonald's NPI, 1154595270, was assigned on April 18, 2008. Dr. McDonald graduated from Baylor College Of Medicine in 2004. Dr. McDonald's Texas license number on file is M9497.
NPI and contact details
- NPI
- 1154595270NPI Registry (opens in a new tab)
- Medicare PAC ID
- 9638245889
- NPI enumeration date
- April 18, 2008
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (713) 897-5900
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 48
- Medical school graduation
- 2004
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Ryan O'Neill McDonald practices at Mhs Physicians of Texas in Shenandoah, Texas
Dr. McDonald's primary practice is Mhs Physicians of Texas, at 9180 Pinecroft Dr, Shenandoah, TX 77380 in Montgomery County. The practice phone is (713) 897-5900.
- Mhs Physicians of Texas9180 Pinecroft Dr, Shenandoah, TX 77380 · Montgomery CountyPhone(713) 897-5900
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Ryan O'Neill McDonald is affiliated with 9 sites of care and 3 medical groups
Dr. McDonald's primary practice is Mhs Physicians of Texas in Shenandoah, Texas. Dr. McDonald is also affiliated with Memorial Hermann Greater Heights Hospital. The medical group on file is Legacy Healthcare Services. Dmand AI also links Dr. McDonald to 4 more hospitals, 3 group practices and clinics and 2 medical groups, each named with a free account.
Mhs Physicians of TexasPrimary
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Ryan O'Neill McDonald's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. McDonald practices, 8 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Mhs Physicians of Texas | Available with a free account |
| +8 more sites and 2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
See the EHR and IT leaders at every site where Dr. McDonald practices
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Dr. Ryan O'Neill McDonald is one of 1,226 neurologists in Texas
Neurology is Dr. McDonald's primary specialty in the NPI Registry, under taxonomy code 2084N0400X. Dr. McDonald is board certified in neurology by the American Board of Psychiatry and Neurology. Dr. McDonald has a license on file in Texas.
Specialties and state licenses
- Neurology, TexasPrimary
Clinical focus
Dmand AI lists acute mini-stroke (TIA), alzheimer's disease, carpal tunnel syndrome, cerebrovascular disease, encephalopathy, epilepsy, essential tremor and fibromyalgia and chronic pain among the conditions Dr. McDonald treats.
Neurologists near Dr. McDonald
Counts of neurologists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Ryan O'Neill McDonald billed Medicare for 132,586 services in 2024
CMS data shows 132,586 Medicare services from Dr. McDonald across 11 procedure codes in 2024, for 472 Medicare patients. Medicare paid $245,762 for them. Every service was in an office.
Medicare services, 2024132,586
Medicare patients472
Paid by Medicare$245,762
Procedure codes11
Dr. McDonald's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Drugs given in the office
- 2023: 02024: 131,450
- Office and hospital visits
- 2023: 6232024: 68510%
- Tests and treatments
- 2023: 2102024: 434107%
- Other services
- 2023: 02024: 17
Dr. McDonald compared with the Texas median for neurologists, 2024
- Dr. McDonald
- Texas median
- Medicare services
- 132,586vs 459288.9 times
- Medicare patients
- 472vs 2322.0 times
- Part D claims
- 2,780vs 4805.8 times
Medians across 1,116 neurologists in Texas with Dmand AI profiles that report each measure.
Dr. McDonald's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
Need commercial claims for Dr. McDonald?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. McDonald and other neurologists in Texas.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Ryan O'Neill McDonald treated 472 Medicare patients in 2024, average age 76
CMS counts 472 Medicare patients who saw Dr. McDonald in 2024. The largest group is 75 to 84, with 214 patients. 75% of them have high blood pressure, and 75% have high cholesterol. Their average risk score is 1.38, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. McDonald's median patient age at 76, with 59% women.
Medicare patients, 2024472
Average age76
Average risk score1.38
Dr. McDonald's Medicare patients by age, 2024
Dr. McDonald's Medicare patients by sex, 2024
- Women24752%
- Men22548%
Chronic conditions among Dr. McDonald's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis55%
- Ischemic heart disease33%
- Anxiety32%
- Mood disorders31%
- Depression29%
- Alzheimer's and dementia28%
Share of Medicare patients with each condition. A patient can have several.
Dr. McDonald's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 76
Patient panel by sex, all payers
- Women59%
- Men40%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Ryan O'Neill McDonald wrote 3,045 Medicare Part D claims in 2024
In 2024, Dr. McDonald wrote 3,045 Medicare Part D claims for 478 patients. 90% of them were for generic drugs. CMS names the drug for 2,780 of them, across 52 drugs with 11 or more claims each, at $706,373 in total drug cost. In 2023, CMS named 2,442 claims across 44 drugs.
Part D claims, 20243,045
Drugs named by CMS52
Total drug cost$706,373
Part D patients478
Dr. McDonald's Part D claims by kind of drug, 2024
- Generic2,736 claims90%
- Brand-name295 claims10%
- Other14 claims0%
Dr. McDonald's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Dr. McDonald's Part D claims, 2024
- Antipsychotics, patients 65 and over4%130 of 3,045 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 2,4422024: 2,78014%
Drugs named by CMS: 52 in 2024, 44 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
How Dr. Ryan O'Neill McDonald takes part in Medicare
Dr. McDonald accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Ryan O'Neill McDonald has 2 publications on record
Dmand AI links 2 papers to Dr. McDonald in 2008. The most frequent topics are Age of Onset, Cognition Disorders and Genetic Predisposition to Disease. Dr. McDonald's most frequent co-authors are Stanley H. Appel, MD, Amy D. Malphrus, MD and Paul E. Schulz, MD.
Papers2
Topics Dr. McDonald writes about most
- Age of Onset
- Cognition Disorders
- Genetic Predisposition to Disease
- Neuropsychological Tests
Dr. McDonald's most frequent co-authors
Recent publications by Dr. McDonald
Age of OnsetAmyotrophic Lateral SclerosisCluster Analysis
See who Dr. McDonald researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. McDonald works with, so you can find a warm path to the right neurologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Ryan O'Neill McDonald received $10,602 in industry payments from 2016 to 2025
CMS Open Payments shows 574 general payments to Dr. McDonald from 56 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 99% of the total. Abbvie Inc. paid the most, $1,325.
General payments to Dr. McDonald by program year, 2016 to 2025
General payments to Dr. McDonald by kind, 2016 to 2025
$10.6Kin total
- Food and beverage$10,47899%
- Education$1241%
Companies that paid Dr. McDonald the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Ryan O'Neill McDonald graduated from Baylor College Of Medicine
Dr. McDonald graduated from Baylor College Of Medicine in 2004.
- Medical school
- Board certified in neurology
Source: Dmand AI Professional Profile Data
Dr. Ryan O'Neill McDonald accepts plans from 18 insurance carriers
Dr. McDonald is in network with 18 carriers, including Aetna, Elevance and Excellus BlueCross BlueShield. HMO plans come from the most carriers, 11. Check the plan with the practice before a visit.
- Aetna
- Elevance
- Excellus BlueCross BlueShield
- Blue Cross Blue Shield of Michigan
- United Healthcare
- Alliant Health Plans
- Aspirus Health Plan
- HCSC
- +10 more carriersWith a free account
Plan types Dr. McDonald accepts, by number of carriers
- HMO11
- PPO11
- Medicare7
- POS7
- EPO4
Source: Dmand AI Insurance Network Data
Sources for Dr. Ryan O'Neill McDonald's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| Insurance carriers and plan types | Dmand AI Insurance Network Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Ryan O'Neill McDonald
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Ryan O'Neill McDonald's NPI number?
Dr. Ryan O'Neill McDonald's NPI number is 1154595270. It was assigned on April 18, 2008, and it is active in the NPI Registry.
What kind of doctor is Dr. Ryan O'Neill McDonald?
Dr. Ryan O'Neill McDonald is a neurologist in Shenandoah, Texas. The primary specialty in the NPI Registry is Neurology Physician (taxonomy code 2084N0400X).
Where does Dr. Ryan O'Neill McDonald practice?
Dr. McDonald practices at 9180 Pinecroft Dr, Shenandoah, TX 77380. Dr. McDonald's primary practice is Mhs Physicians of Texas in Shenandoah, Texas. Dmand AI also links Dr. McDonald to 4 hospitals, 3 group practices and clinics and 2 medical groups.
What is Dr. Ryan O'Neill McDonald's office phone number?
The practice phone on file for Dr. McDonald is (713) 897-5900.
What is Dr. Ryan O'Neill McDonald's medical license number?
Dr. McDonald's Texas license number on file is M9497.
Which hospitals is Dr. Ryan O'Neill McDonald affiliated with?
Dr. McDonald is affiliated with Memorial Hermann Greater Heights Hospital. Dmand AI links Dr. McDonald to 4 more hospitals.
What medical group is Dr. Ryan O'Neill McDonald part of?
Dr. McDonald is linked to Legacy Healthcare Services. Dmand AI links Dr. McDonald to 2 more medical groups.
Does Dr. Ryan O'Neill McDonald accept Medicare?
Yes. CMS data shows Dr. McDonald billed Medicare for 132,586 services in 2024, and Dr. McDonald accepts Medicare assignment.
How many Medicare patients does Dr. Ryan O'Neill McDonald see?
CMS counts 472 Medicare patients who saw Dr. McDonald in 2024, with an average age of 76.
Is Dr. Ryan O'Neill McDonald board certified?
Yes. Dr. McDonald is board certified in neurology by the American Board of Psychiatry and Neurology.
Show 8 more questionsShow fewer questions
What services does Dr. Ryan O'Neill McDonald bill to Medicare?
In 2024, Dr. McDonald's most billed Medicare services were injected or infused drug (J0174), office visit, established patient (99214) and infusion or chemotherapy administration (96413).
Where did Dr. Ryan O'Neill McDonald go to medical school?
Dr. McDonald graduated from Baylor College Of Medicine in 2004.
What drugs does Dr. Ryan O'Neill McDonald prescribe most?
In 2024 Medicare Part D data, Dr. McDonald's most prescribed drugs by claims were Memantine HCl, Donepezil HCl and Gabapentin.
Has Dr. Ryan O'Neill McDonald received payments from drug or device companies?
CMS Open Payments shows $10,602 in general payments to Dr. McDonald from 56 companies from 2016 to 2025. The largest total came from Abbvie Inc.
How long has Dr. Ryan O'Neill McDonald been practicing?
Dr. McDonald graduated from medical school in 2004, 22 years ago.
Does Dr. Ryan O'Neill McDonald do research?
Dmand AI links 2 publications to Dr. McDonald.
Who does Dr. Ryan O'Neill McDonald publish with?
Dr. McDonald's most frequent co-authors are Stanley H. Appel, MD (1 shared paper), Amy D. Malphrus, MD (1 shared paper) and Paul E. Schulz, MD (1 shared paper).
What insurance does Dr. Ryan O'Neill McDonald accept?
Dr. McDonald is in network with 18 carriers, including Aetna, Elevance and Excellus BlueCross BlueShield. HMO plans come from the most carriers, 11. Check the plan with the practice before a visit.
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