Dr. Mariano Porto Jr., MD
- Medicare services, 2024
- 73
- Medicare patients, 2024
- 55
- Part D claims, 2024
- 438
- Hospital affiliations
- 5
- Industry payments
- $9,602
- Practice address
- 500 SW Ramsey Avenue, Grants Pass, OR 97527
- Practice phone
- Call (541) 472-7000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Porto'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. Mariano Porto Jr. is a neurologist in Grants Pass, Oregon
Dr. Porto practices at Asante Three Rivers Medical Center in Grants Pass, Oregon, part of Asante Health System.
Dr. Porto's NPI, 1396032934, was assigned on July 4, 2011. Dr. Porto holds Arizona license 59064.
- NPI
- 1396032934NPI Registry (opens in a new tab)
- Medicare PAC ID
- 2961792429
- NPI enumeration date
- July 4, 2011
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (541) 472-7000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 41
- Medical school graduation
- 2011
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Mariano Porto Jr. practices at Asante Three Rivers Medical Center in Grants Pass, Oregon
Dr. Porto's primary practice is Asante Three Rivers Medical Center, at 500 SW Ramsey Avenue, Grants Pass, OR 97527 in Josephine County. The practice phone is (541) 472-7000.
- Asante Three Rivers Medical Center500 SW Ramsey Avenue, Grants Pass, OR 97527 · Josephine CountyPhone(541) 472-7000
Source: Dmand AI Affiliation Data
Dr. Mariano Porto Jr. is affiliated with 9 sites of care and 7 medical groups
Dr. Porto's primary practice is Asante Three Rivers Medical Center in Grants Pass, Oregon, part of Asante Health System. Dr. Porto is also affiliated with Asante Rogue Regional Medical Center. The medical group on file is Asante Physician Partners. Dmand AI also links Dr. Porto to 3 more hospitals, 6 medical groups and 4 group practices and clinics, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Mariano Porto Jr.'s practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Porto practices, 9 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Asante Three Rivers Medical Center | Available with a free account |
| +8 more sites and 6 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across Asante Health System and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Mariano Porto Jr. is one of 246 neurologists in Oregon
Neurology is Dr. Porto's primary specialty in the NPI Registry, under taxonomy code 2084N0400X. Dmand AI has Dr. Porto's licenses on file in 3 states: Arizona, Iowa and Texas.
Specialties and state licenses
- Neurology, ArizonaPrimary
- Iowa license
- Clinical neurophysiology, Texas
Neurologists near Dr. Porto
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. Mariano Porto Jr. billed Medicare for 73 services in 2024
CMS data shows 73 Medicare services from Dr. Porto across 2 procedure codes in 2024, for 55 Medicare patients. Medicare paid $6,657 for them.
Dr. Porto's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Other services
- 2023: 02024: 73
- Tests and treatments
- 2023: 1162024: 0100%
- Office and hospital visits
- 2023: 8412024: 0100%
Where Dr. Porto's Medicare services took place, 2024
- In an office5981%
- In a facility1419%
Dr. Porto compared with the Oregon median for neurologists, 2024
- Dr. Porto
- Oregon median
- Medicare services
- 73vs 24770% below
- Medicare patients
- 55vs 15364% below
- Part D claims
- 275vs 39230% below
Medians across 253 neurologists in Oregon with Dmand AI profiles that report each measure.
Dr. Porto'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. Porto?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Porto and other neurologists in Oregon.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Mariano Porto Jr. treated 55 Medicare patients in 2024, average age 76
CMS counts 55 Medicare patients who saw Dr. Porto in 2024. The largest group is 65 to 74, with 19 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 27% are also on Medicaid. Their average risk score is 1.67, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Porto's median patient age at 65, with 53% women.
Dr. Porto's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Porto's Medicare patients by sex, 2024
- Women2647%
- Men2953%
Chronic conditions among Dr. Porto's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Stroke or TIA56%
- Chronic kidney disease49%
- Ischemic heart disease49%
- Arthritis47%
- Diabetes42%
- Alzheimer's and dementia38%
Share of Medicare patients with each condition. A patient can have several.
Dr. Porto's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 65
Patient panel by sex, all payers
- Women53%
- Men45%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Mariano Porto Jr. wrote 438 Medicare Part D claims in 2024
In 2024, Dr. Porto wrote 438 Medicare Part D claims for 120 patients. 98% of them were for generic drugs. CMS names the drug for 275 of them, across 9 drugs with 11 or more claims each, at $4,460 in total drug cost. In 2023, CMS named 933 claims across 24 drugs.
Dr. Porto's Part D claims by kind of drug, 2024
- Generic430 claims98%
- Brand-name and other8 claims2%
Dr. Porto'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.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 9332024: 27571%
Drugs named by CMS: 9 in 2024, 24 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
Dr. Mariano Porto Jr. offers telehealth to Medicare patients
Dr. Porto accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Porto as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
For MedTech and pharma teams
Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Dr. Mariano Porto Jr. received $9,602 in industry payments from 2016 to 2023
CMS Open Payments shows 346 general payments to Dr. Porto from 45 drug and device companies from 2016 to 2023. Food and beverage make up the largest share, 96% of the total. Sunovion Pharmaceuticals Inc. paid the most, $1,366.
General payments to Dr. Porto by program year, 2016 to 2023
General payments to Dr. Porto by kind, 2016 to 2023
- Food and beverage$9,22896%
- Education$2232%
- Honoraria$1502%
Companies that paid Dr. Porto the most, 2016 to 2023
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Mariano Porto Jr.'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 | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy 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) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| 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. Mariano Porto Jr.
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. Mariano Porto Jr.'s NPI number?
Dr. Mariano Porto Jr.'s NPI number is 1396032934. It was assigned on July 4, 2011, and it is active in the NPI Registry.
What kind of doctor is Dr. Mariano Porto Jr.?
Dr. Mariano Porto Jr. is a neurologist in Grants Pass, Oregon. The primary specialty in the NPI Registry is Neurology Physician (taxonomy code 2084N0400X).
Where does Dr. Mariano Porto Jr. practice?
Dr. Porto practices at 500 SW Ramsey Avenue, Grants Pass, OR 97527. Dr. Porto's primary practice is Asante Three Rivers Medical Center in Grants Pass, Oregon, part of Asante Health System. Dmand AI also links Dr. Porto to 3 hospitals, 6 medical groups and 4 group practices and clinics.
What is Dr. Mariano Porto Jr.'s office phone number?
The practice phone on file for Dr. Porto is (541) 472-7000.
What is Dr. Mariano Porto Jr.'s medical license number?
Dr. Porto holds Arizona license 59064, one of the licenses on file in 3 states.
Which states has Dr. Mariano Porto Jr. been licensed in?
Dmand AI has state licenses on file for Dr. Porto in Arizona, Iowa and Texas.
Which hospitals is Dr. Mariano Porto Jr. affiliated with?
Dr. Porto practices at Asante Three Rivers Medical Center in Grants Pass, Oregon. Dr. Porto is also affiliated with Asante Rogue Regional Medical Center. Dmand AI links Dr. Porto to 3 more hospitals.
What medical group is Dr. Mariano Porto Jr. part of?
Dr. Porto is linked to Asante Physician Partners. Dmand AI links Dr. Porto to 6 more medical groups.
Does Dr. Mariano Porto Jr. accept Medicare?
Yes. CMS data shows Dr. Porto billed Medicare for 73 services in 2024, and Dr. Porto accepts Medicare assignment.
Does Dr. Mariano Porto Jr. offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Porto as offering telehealth services.
Show 5 more questionsShow fewer questions
How many Medicare patients does Dr. Mariano Porto Jr. see?
CMS counts 55 Medicare patients who saw Dr. Porto in 2024, with an average age of 76.
What services does Dr. Mariano Porto Jr. bill to Medicare?
In 2024, Dr. Porto's most billed Medicare services were medicare service (G0408) and medicare service (G0427).
What drugs does Dr. Mariano Porto Jr. prescribe most?
In 2024 Medicare Part D data, Dr. Porto's most prescribed drugs by claims were Memantine HCl, Donepezil HCl and Gabapentin.
Has Dr. Mariano Porto Jr. received payments from drug or device companies?
CMS Open Payments shows $9,602 in general payments to Dr. Porto from 45 companies from 2016 to 2023. The largest total came from Sunovion Pharmaceuticals Inc.
How long has Dr. Mariano Porto Jr. been practicing?
Dr. Porto graduated from medical school in 2011, 15 years ago.
Selling to neurology practices?
See neurologists in Oregon by site of care and group
Find the practices, groups and hospitals they work with, and the right people to contact at each.
- 30 days free
- Self-serve
- No credit card