Michael Isaiah Diaz, PA-C
- Medicare patients, 2024
- 14
- Part D claims, 2024
- 106
- Hospital affiliations
- 1
- Industry payments
- $152
- Medical group
- 1
- Practice address
- 75 Francis Street, Boston, MA 02115
- Practice phone
- Call (617) 732-5500
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Michael Diaz'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.
Michael Isaiah Diaz is a physician assistant in Boston, Massachusetts
Michael Diaz practices at Brigham and Women's Hospital in Boston, Massachusetts, part of Mass General Brigham.
Michael Diaz's NPI, 1366175754, was assigned on July 5, 2022. Michael Diaz holds Massachusetts license PA8901.
- NPI
- 1366175754NPI Registry (opens in a new tab)
- Medicare PAC ID
- 9436520921
- NPI enumeration date
- July 5, 2022
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (617) 732-5500
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 30
- Medical school graduation
- 2022
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Michael Isaiah Diaz practices at Brigham and Women's Hospital in Boston, Massachusetts
Michael Diaz's primary practice is Brigham and Women's Hospital, at 75 Francis Street, Boston, MA 02115 in Suffolk County. The practice phone is (617) 732-5500.
- Brigham and Women's Hospital75 Francis Street, Boston, MA 02115 · Suffolk CountyPhone(617) 732-5500
Source: Dmand AI Affiliation Data
Michael Isaiah Diaz is affiliated with 2 sites of care and 1 medical group
Michael Diaz's primary practice is Brigham and Women's Hospital in Boston, Massachusetts, part of Mass General Brigham. The medical group on file is Brigham and Women's Hospital. Dmand AI also links Michael Diaz to 1 more hospital outpatient department, named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Michael Isaiah Diaz's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Michael Diaz practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Brigham and Women's Hospital | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
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Michael Isaiah Diaz is one of 3,922 physician assistants in Massachusetts
Physician assistant is Michael Diaz's primary specialty in the NPI Registry, under taxonomy code 363A00000X. Dmand AI has Michael Diaz's licenses on file in 2 states: Massachusetts and New York.
Specialties and state licenses
- Physician assistant, MassachusettsPrimary
- New York license
Physician assistants near Michael Diaz
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
Michael Isaiah Diaz treated 14 Medicare patients in 2024, average age 74
CMS counts 14 Medicare patients who saw Michael Diaz in 2024. The largest group is under 65, with 0 patients. 75% of them have high blood pressure, and 75% have high cholesterol. Their average risk score is 1.01, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Michael Diaz's median patient age at 72, with 28% women.
Michael Diaz's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Chronic conditions among Michael Diaz's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
Share of Medicare patients with each condition. A patient can have several.
Michael Diaz's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 72
Patient panel by sex, all payers
- Women28%
- Men72%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Michael Isaiah Diaz wrote 106 Medicare Part D claims in 2024
In 2024, Michael Diaz wrote 106 Medicare Part D claims for 77 patients. 92% of them were for generic drugs.
Michael Diaz's Part D claims by kind of drug, 2024
- Generic97 claims92%
- Brand-name and other9 claims8%
Drug classes CMS tracks in Michael Diaz's Part D claims, 2024
- Antibiotics15%16 of 106 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
How Michael Isaiah Diaz takes part in Medicare
Michael Diaz 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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Michael Isaiah Diaz received $152 in industry payments in 2025
CMS Open Payments shows 2 general payments to Michael Diaz from 2 drug and device companies in 2025. Food and beverage make up the largest share, 100% of the total. Edwards Lifesciences Corporation paid the most, $128.
Companies that paid Michael Diaz the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Michael Isaiah Diaz'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 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) |
| 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 Michael Isaiah Diaz
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Michael Isaiah Diaz's NPI number?
Michael Isaiah Diaz's NPI number is 1366175754. It was assigned on July 5, 2022, and it is active in the NPI Registry.
What does Michael Isaiah Diaz specialize in?
Michael Isaiah Diaz is a physician assistant in Boston, Massachusetts. The primary specialty in the NPI Registry is Physician Assistant (taxonomy code 363A00000X).
Where does Michael Isaiah Diaz practice?
Michael Diaz practices at 75 Francis Street, Boston, MA 02115. Michael Diaz's primary practice is Brigham and Women's Hospital in Boston, Massachusetts, part of Mass General Brigham. Dmand AI also links Michael Diaz to 1 hospital outpatient department.
What is Michael Isaiah Diaz's office phone number?
The practice phone on file for Michael Diaz is (617) 732-5500.
What is Michael Isaiah Diaz's medical license number?
Michael Diaz holds Massachusetts license PA8901, one of the licenses on file in 2 states.
Which states has Michael Isaiah Diaz been licensed in?
Dmand AI has state licenses on file for Michael Diaz in Massachusetts and New York.
Which hospitals is Michael Isaiah Diaz affiliated with?
Michael Diaz practices at Brigham and Women's Hospital in Boston, Massachusetts.
What medical group is Michael Isaiah Diaz part of?
Michael Diaz is linked to Brigham and Women's Hospital.
Does Michael Isaiah Diaz accept Medicare?
Yes. CMS lists Michael Diaz as accepting Medicare assignment.
How many Medicare patients does Michael Isaiah Diaz see?
CMS counts 14 Medicare patients who saw Michael Diaz in 2024, with an average age of 74.
Has Michael Isaiah Diaz received payments from drug or device companies?
CMS Open Payments shows $152 in general payments to Michael Diaz from 2 companies from 2025 to 2025. The largest total came from Edwards Lifesciences Corporation.
How long has Michael Isaiah Diaz been practicing?
Michael Diaz graduated from medical school in 2022, 4 years ago.
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