Dr. Alyx B. Porter Umphrey, MD
- Medicare services, 2024
- 332
- Medicare patients, 2024
- 205
- Part D claims, 2024
- 138
- Clinical trials
- 1
- MIPS score, 2024
- 86
- Practice address
- 13400 East Shea Boulevard, Scottsdale, AZ 85259
- Practice phone
- Call (480) 342-4201
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Mayo Clinic Ambulatory Surgery Center - Scottsdale
Surgery Center - Medicare-Certified · Scottsdale, Arizona
Find Dr. Porter Umphrey'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. Alyx B. Porter Umphrey is a neurologist in Scottsdale, Arizona
Dr. Porter Umphrey practices at Mayo Clinic Ambulatory Surgery Center - Scottsdale in Scottsdale, Arizona.
Dr. Porter Umphrey's NPI, 1255303236, was assigned on February 3, 2006. Dr. Porter Umphrey graduated from Lewis Katz School of Medicine in 2003. Dr. Porter Umphrey's Arizona license number on file is 40546.
- NPI
- 1255303236NPI Registry (opens in a new tab)
- Medicare PAC ID
- 6204803968
- NPI enumeration date
- February 3, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (480) 342-4201
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 49
- Medical school graduation
- 2003
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Alyx B. Porter Umphrey practices at Mayo Clinic Ambulatory Surgery Center - Scottsdale in Scottsdale, Arizona
Dr. Porter Umphrey's primary practice is Mayo Clinic Ambulatory Surgery Center - Scottsdale, at 13400 East Shea Boulevard, Scottsdale, AZ 85259. The practice phone is (480) 342-4201.
- Mayo Clinic Ambulatory Surgery Center - Scottsdale13400 East Shea Boulevard, Scottsdale, AZ 85259Phone(480) 342-4201
Source: Dmand AI Affiliation Data
Dr. Alyx B. Porter Umphrey is affiliated with 2 sites of care and 1 medical group
Dr. Porter Umphrey's primary practice is Mayo Clinic Ambulatory Surgery Center - Scottsdale in Scottsdale, Arizona. Dr. Porter Umphrey is also affiliated with Mayo Clinic Hospital - Phoenix. The medical group on file is Mayo Clinic Arizona. Dr. Porter Umphrey's employer is on file too: a surgery center (asc).
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Alyx B. Porter Umphrey's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Porter Umphrey practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Mayo Clinic Ambulatory Surgery Center - Scottsdale | Available with a free account |
| +1 more affiliated site | 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 each health system and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Alyx B. Porter Umphrey is one of 395 neurologists in Arizona
Neurology is Dr. Porter Umphrey's primary specialty in the NPI Registry, under taxonomy code 2084N0400X. Dr. Porter Umphrey is board certified in neurology by the American Board of Psychiatry and Neurology. Dmand AI has Dr. Porter Umphrey's licenses on file in 4 states: Arizona, New Hampshire, Minnesota and Nevada.
Specialties and state licenses
- Neurology, ArizonaPrimary
- New Hampshire license
- Neurology with special qualifications in child neurology, Minnesota
- Nevada license
Clinical focus
Dmand AI lists lower back pain among the conditions Dr. Porter Umphrey treats.
Neurologists near Dr. Porter Umphrey
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. Alyx B. Porter Umphrey billed Medicare for 332 services in 2024
CMS data shows 332 Medicare services from Dr. Porter Umphrey across 6 procedure codes in 2024, for 205 Medicare patients. Medicare paid $32,736 for them. Every service was in an office.
Dr. Porter Umphrey's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 2792024: 31212%
- Other services
- 2023: 02024: 20
Dr. Porter Umphrey compared with the Arizona median for neurologists, 2024
- Dr. Porter Umphrey
- Arizona median
- Medicare services
- 332vs 51235% below
- Medicare patients
- 205vs 27225% below
- Part D claims
- 65vs 48787% below
Medians across 365 neurologists in Arizona with Dmand AI profiles that report each measure.
Dr. Porter Umphrey'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. Porter Umphrey?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Porter Umphrey and other neurologists in Arizona.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Alyx B. Porter Umphrey treated 205 Medicare patients in 2024, average age 71
CMS counts 205 Medicare patients who saw Dr. Porter Umphrey in 2024. The largest group is 65 to 74, with 96 patients. 75% of them have high cholesterol, and 64% have high blood pressure. 5% are also on Medicaid. Their average risk score is 1.95, 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. Porter Umphrey's median patient age at 67, with 63% women.
Dr. Porter Umphrey's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Porter Umphrey's Medicare patients by sex, 2024
- Women11556%
- Men9044%
Chronic conditions among Dr. Porter Umphrey's Medicare patients, 2024
- High cholesterol75%
- High blood pressure64%
- Arthritis45%
- Mood disorders34%
- Anxiety31%
- Depression30%
- Cancer28%
- Chronic kidney disease27%
Share of Medicare patients with each condition. A patient can have several.
Dr. Porter Umphrey's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 67
Patient panel by sex, all payers
- Women63%
- Men36%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Alyx B. Porter Umphrey wrote 138 Medicare Part D claims in 2024
In 2024, Dr. Porter Umphrey wrote 138 Medicare Part D claims for 41 patients. 97% of them were for generic drugs. CMS names the drug for 65 of them, across 4 drugs with 11 or more claims each, at $1,958 in total drug cost. In 2023, CMS named 78 claims across 4 drugs.
Dr. Porter Umphrey's Part D claims by kind of drug, 2024
- Generic134 claims97%
- Brand-name and other4 claims3%
Dr. Porter Umphrey'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: 782024: 6517%
Drugs named by CMS: 4 in 2024, 4 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. Alyx B. Porter Umphrey scored 86 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 86 out of 100 for Dr. Porter Umphrey for performance year 2024, reported as part of a group. Dr. Porter Umphrey accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Porter Umphrey as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Dr. Porter Umphrey's MIPS scores, performance year 2024
- 86of 100Final score
- 78.3of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
- 77of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
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. Alyx B. Porter Umphrey has worked on 1 clinical trial
Dmand AI links Dr. Porter Umphrey to 1 clinical trial. Conditions studied include Glioblastoma and Astrocytoma.
Conditions in Dr. Porter Umphrey's trials
- Glioblastoma
- Astrocytoma
Investigators on the most trials with Dr. Porter Umphrey
Recent clinical trials with Dr. Porter Umphrey
Sources: ClinicalTrials.gov (National Library of Medicine); and Dmand AI Research Linkage
Dr. Alyx B. Porter Umphrey received $631 in industry payments from 2016 to 2019
CMS Open Payments shows 7 general payments to Dr. Porter Umphrey from 2 drug and device companies from 2016 to 2019. Food and beverage make up the largest share, 99% of the total. Novocure Inc. paid the most, $608.
General payments to Dr. Porter Umphrey by program year, 2016 to 2019
General payments to Dr. Porter Umphrey by kind, 2016 to 2019
- Food and beverage$62699%
- Education$61%
Companies that paid Dr. Porter Umphrey the most, 2016 to 2019
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Alyx B. Porter Umphrey graduated from Lewis Katz School of Medicine
Dr. Porter Umphrey graduated from Lewis Katz School of Medicine in 2003.
- Medical school
- Board certified in neurology
Source: Dmand AI Professional Profile Data
Dr. Alyx B. Porter Umphrey accepts plans from 8 insurance carriers
Dr. Porter Umphrey is in network with 8 carriers, including Elevance, United Healthcare and Blue Cross Blue Shield of Michigan. PPO plans come from the most carriers, 5. Check the plan with the practice before a visit.
- Elevance
- United Healthcare
- Blue Cross Blue Shield of Michigan
- Aetna
- Blue Cross and Blue Shield of Kansas City
- CMS Medicare
- EMI Health
- HCSC
Plan types Dr. Porter Umphrey accepts, by number of carriers
- PPO5
- HMO4
- Medicare3
- POS3
- EPO2
Source: Dmand AI Insurance Network Data
Sources for Dr. Alyx B. Porter Umphrey'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)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab) |
| Clinical trials and co-investigators | ClinicalTrials.gov (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. Alyx B. Porter Umphrey
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. Alyx B. Porter Umphrey's NPI number?
Dr. Alyx B. Porter Umphrey's NPI number is 1255303236. It was assigned on February 3, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Alyx B. Porter Umphrey?
Dr. Alyx B. Porter Umphrey is a neurologist in Scottsdale, Arizona. The primary specialty in the NPI Registry is Neurology Physician (taxonomy code 2084N0400X).
Where does Dr. Alyx B. Porter Umphrey practice?
Dr. Porter Umphrey practices at 13400 East Shea Boulevard, Scottsdale, AZ 85259. Dr. Porter Umphrey's primary practice is Mayo Clinic Ambulatory Surgery Center - Scottsdale in Scottsdale, Arizona.
What is Dr. Alyx B. Porter Umphrey's office phone number?
The practice phone on file for Dr. Porter Umphrey is (480) 342-4201.
What is Dr. Alyx B. Porter Umphrey's medical license number?
Dr. Porter Umphrey's Arizona license number on file is 40546, one of the licenses on file in 4 states.
Which states has Dr. Alyx B. Porter Umphrey been licensed in?
Dmand AI has state licenses on file for Dr. Porter Umphrey in Arizona (2008 to 2025), New Hampshire (since 2015), Minnesota (2004 to 2025) and Nevada (2015 to 2017).
Which hospitals is Dr. Alyx B. Porter Umphrey affiliated with?
Dr. Porter Umphrey is affiliated with Mayo Clinic Hospital - Phoenix.
What medical group is Dr. Alyx B. Porter Umphrey part of?
Dr. Porter Umphrey is linked to Mayo Clinic Arizona.
Does Dr. Alyx B. Porter Umphrey accept Medicare?
Yes. CMS data shows Dr. Porter Umphrey billed Medicare for 332 services in 2024, and Dr. Porter Umphrey accepts Medicare assignment.
Does Dr. Alyx B. Porter Umphrey offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Porter Umphrey as offering telehealth services.
Show 10 more questionsShow fewer questions
What is Dr. Alyx B. Porter Umphrey's MIPS score?
Dr. Porter Umphrey's MIPS final score for performance year 2024 is 86 out of 100, reported as part of a group.
How many Medicare patients does Dr. Alyx B. Porter Umphrey see?
CMS counts 205 Medicare patients who saw Dr. Porter Umphrey in 2024, with an average age of 71.
Is Dr. Alyx B. Porter Umphrey board certified?
Yes. Dr. Porter Umphrey is board certified in neurology by the American Board of Psychiatry and Neurology.
What services does Dr. Alyx B. Porter Umphrey bill to Medicare?
In 2024, Dr. Porter Umphrey's most billed Medicare services were office visit, established patient (99215), office visit, established patient (99214) and office visit, established patient (99213).
Where did Dr. Alyx B. Porter Umphrey go to medical school?
Dr. Porter Umphrey graduated from Lewis Katz School of Medicine in 2003.
What drugs does Dr. Alyx B. Porter Umphrey prescribe most?
In 2024 Medicare Part D data, Dr. Porter Umphrey's most prescribed drugs by claims were Levetiracetam, Dexamethasone and Gabapentin.
Has Dr. Alyx B. Porter Umphrey received payments from drug or device companies?
CMS Open Payments shows $631 in general payments to Dr. Porter Umphrey from 2 companies from 2016 to 2019. The largest total came from Novocure Inc.
How long has Dr. Alyx B. Porter Umphrey been practicing?
Dr. Porter Umphrey graduated from medical school in 2003, 23 years ago.
Does Dr. Alyx B. Porter Umphrey do research?
Dr. Porter Umphrey has worked on 1 clinical trial.
What insurance does Dr. Alyx B. Porter Umphrey accept?
Dr. Porter Umphrey is in network with 8 carriers, including Elevance, United Healthcare and Blue Cross Blue Shield of Michigan. PPO plans come from the most carriers, 5. Check the plan with the practice before a visit.
Selling to neurology practices?
See neurologists in Arizona 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