William Michael Dizon, PA-C
- Medicare services, 2024
- 590
- Medicare patients, 2024
- 158
- Part D claims, 2024
- 19
- Industry payments
- $1,359
- Affiliated sites
- 2
- Practice address
- 795 El Camino Real, Palo Alto, CA 94301
- Practice phone
- Call (650) 324-1832
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Surgery Center Palo Alto
Surgery Center - Medicare-Certified · Palo Alto, California
Find William Dizon'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.
William Michael Dizon is a physician assistant in Palo Alto, California
William Dizon practices at Surgery Center Palo Alto in Palo Alto, California.
William Dizon's NPI, 1730461054, was assigned on September 13, 2011. William Dizon holds California license PA21791.
- NPI
- 1730461054NPI Registry (opens in a new tab)
- Medicare PAC ID
- 6103090899
- NPI enumeration date
- September 13, 2011
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (650) 324-1832
- 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)
William Michael Dizon practices at Surgery Center Palo Alto in Palo Alto, California
William Dizon's primary practice is Surgery Center Palo Alto, at 795 El Camino Real, Palo Alto, CA 94301. The practice phone is (650) 324-1832.
- Surgery Center Palo Alto795 El Camino Real, Palo Alto, CA 94301Phone(650) 324-1832
Source: Dmand AI Affiliation Data
William Michael Dizon is affiliated with 2 sites of care and 1 medical group
William Dizon's primary practice is Surgery Center Palo Alto in Palo Alto, California. The medical group on file is Palo Alto Foundation Medical Group. Dmand AI also links William Dizon to 1 more group practice or clinic, named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at William Michael Dizon's practice
Dmand AI tracks the electronic health record (EHR) system at each site where William Dizon practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Surgery Center Palo Alto | 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.
William Michael Dizon is one of 11,482 physician assistants in California
Physician assistant is William Dizon's primary specialty in the NPI Registry, under taxonomy code 363A00000X. William Dizon is board certified in certified physician assistant by the National Commission on Certification of Physician Assistants (NCCPA). William Dizon is licensed in California.
Specialties and state licenses
- Physician assistant, CaliforniaPrimary
Clinical focus
Dmand AI lists arthritis, bursitis, joint pain, knee injury, minor injury to a limb, muscle pain, fibromyalgia, and limb pain, rotator cuff injury and tendon and ligament injury among the conditions William Dizon treats.
Physician assistants near William Dizon
Counts of physician assistants 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
William Michael Dizon billed Medicare for 590 services in 2024
CMS data shows 590 Medicare services from William Dizon across 5 procedure codes in 2024, for 158 Medicare patients. Medicare paid $38,436 for them.
William Dizon's Medicare services by type, 2024
- Drugs given in the office288
- Surgery217
- Office and hospital visits85
Where William Dizon's Medicare services took place, 2024
- In an office57397%
- In a facility173%
William Dizon compared with the California median for physician assistants, 2024
- William Dizon
- California median
- Medicare services
- 590vs 2042.9 times
- Medicare patients
- 158vs 10550% above
Medians across 7,065 physician assistants in California with Dmand AI profiles that report each measure.
William Dizon'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 William Dizon?
Medicare shows one payer. Book a meeting to get commercial claims data for William Dizon and other physician assistants in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
William Michael Dizon treated 158 Medicare patients in 2024, average age 74
CMS counts 158 Medicare patients who saw William Dizon in 2024. The largest group is 65 to 74, with 90 patients. 75% of them have arthritis, and 73% have high cholesterol. 7% are also on Medicaid. Their average risk score is 0.91, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts William Dizon's median patient age at 53, with 52% women.
William Dizon's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
William Dizon's Medicare patients by sex, 2024
- Women9158%
- Men6742%
Chronic conditions among William Dizon's Medicare patients, 2024
- Arthritis75%
- High cholesterol73%
- High blood pressure58%
- Ischemic heart disease25%
- Diabetes18%
- Osteoporosis18%
- Anxiety17%
- Mood disorders17%
Share of Medicare patients with each condition. A patient can have several.
William Dizon's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 53
Patient panel by sex, all payers
- Women52%
- Men46%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
William Michael Dizon wrote 19 Medicare Part D claims in 2024
In 2024, William Dizon wrote 19 Medicare Part D claims for 15 patients. 95% of them were for generic drugs.
William Dizon's Part D claims by kind of drug, 2024
- Generic18 claims95%
- Brand-name and other1 claims5%
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
How William Michael Dizon takes part in Medicare
William Dizon 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)
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.
William Michael Dizon received $1,359 in industry payments from 2024 to 2025
CMS Open Payments shows 9 general payments to William Dizon from 3 drug and device companies from 2024 to 2025. Food and beverage make up the largest share, 51% of the total. Stryker Corporation paid the most, $668.
General payments to William Dizon by program year, 2024 to 2025
General payments to William Dizon by kind, 2024 to 2025
- Food and beverage$69151%
- Travel and lodging$66849%
Companies that paid William Dizon the most, 2024 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
William Michael Dizon is board certified in certified physician assistant
- Board certified in certified physician assistant
Source: Dmand AI Professional Profile Data
Sources for William Michael Dizon'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 (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) |
| Training, board certification and memberships | Dmand AI Professional Profile 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 William Michael Dizon
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is William Michael Dizon's NPI number?
William Michael Dizon's NPI number is 1730461054. It was assigned on September 13, 2011, and it is active in the NPI Registry.
What does William Michael Dizon specialize in?
William Michael Dizon is a physician assistant in Palo Alto, California. The primary specialty in the NPI Registry is Physician Assistant (taxonomy code 363A00000X).
Where does William Michael Dizon practice?
William Dizon practices at 795 El Camino Real, Palo Alto, CA 94301. William Dizon's primary practice is Surgery Center Palo Alto in Palo Alto, California. Dmand AI also links William Dizon to 1 group practice or clinic.
What is William Michael Dizon's office phone number?
The practice phone on file for William Dizon is (650) 324-1832.
What is William Michael Dizon's medical license number?
William Dizon holds California license PA21791.
What medical group is William Michael Dizon part of?
William Dizon is linked to Palo Alto Foundation Medical Group.
Does William Michael Dizon accept Medicare?
Yes. CMS data shows William Dizon billed Medicare for 590 services in 2024, and William Dizon accepts Medicare assignment.
How many Medicare patients does William Michael Dizon see?
CMS counts 158 Medicare patients who saw William Dizon in 2024, with an average age of 74.
Is William Michael Dizon board certified?
Yes. William Dizon is board certified in certified physician assistant by the National Commission on Certification of Physician Assistants (NCCPA).
What services does William Michael Dizon bill to Medicare?
In 2024, William Dizon's most billed Medicare services were surgery: bones and joints (20610), injected or infused drug (J7324) and injected or infused drug (J3301).
Has William Michael Dizon received payments from drug or device companies?
CMS Open Payments shows $1,359 in general payments to William Dizon from 3 companies from 2024 to 2025. The largest total came from Stryker Corporation.
How long has William Michael Dizon been practicing?
William Dizon graduated from medical school in 2011, 15 years ago.
Selling to physician assistant practices?
See physician assistants in California 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