John Michael M. Massaro, PA
- Medicare patients, 2024
- 431
- Part D claims, 2024
- 168
- MIPS score, 2024
- 92
- Hospital affiliations
- 2
- Industry payments
- $150
- Practice address
- 1602 Skipwith Road, Richmond, VA 23229
- Practice phone
- Call (804) 289-4500
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find John Michael Massaro's professional email, personal email and mobile number
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John Michael M. Massaro is a physician assistant in Henrico, Virginia
John Michael Massaro practices at Henrico Doctors' Hospital in Richmond, Virginia, part of HCA Healthcare.
John Michael Massaro's NPI, 1376096602, was assigned on August 3, 2016. John Michael Massaro holds Virginia license 0110005292.
- NPI
- 1376096602NPI Registry (opens in a new tab)
- Medicare PAC ID
- 5890073548
- NPI enumeration date
- August 3, 2016
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (804) 289-4500
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 37
- Medical school graduation
- 2015
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
John Michael M. Massaro practices at Henrico Doctors' Hospital in Richmond, Virginia
John Michael Massaro's primary practice is Henrico Doctors' Hospital, at 1602 Skipwith Road, Richmond, VA 23229 in Henrico County. The practice phone is (804) 289-4500.
- Henrico Doctors' Hospital1602 Skipwith Road, Richmond, VA 23229 · Henrico CountyPhone(804) 289-4500
Source: Dmand AI Affiliation Data
John Michael M. Massaro is affiliated with 3 sites of care and 2 medical groups
John Michael Massaro's primary practice is Henrico Doctors' Hospital in Richmond, Virginia, part of HCA Healthcare. John Michael Massaro is also affiliated with Bon Secours St. Mary's Hospital. The medical group on file is Vascular Surgery Associates. Dmand AI also links John Michael Massaro to 1 more group practice or clinic and 1 medical group, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at John Michael M. Massaro's practice
Dmand AI tracks the electronic health record (EHR) system at each site where John Michael Massaro practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Henrico Doctors' Hospital | Available with a free account |
| +2 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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John Michael M. Massaro is one of 3,636 physician assistants in Virginia
Physician assistant is John Michael Massaro's primary specialty in the NPI Registry, under taxonomy code 363A00000X. John Michael Massaro is licensed in Virginia.
Specialties and state licenses
- Physician assistant, VirginiaPrimary
Physician assistants near John Michael Massaro
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
John Michael M. Massaro treated 431 Medicare patients in 2024, average age 77
CMS counts 431 Medicare patients who saw John Michael Massaro in 2024. The largest group is 75 to 84, with 198 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 4% are also on Medicaid. Their average risk score is 1.59, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts John Michael Massaro's median patient age at 74, with 52% women.
John Michael Massaro's Medicare patients by age, 2024
John Michael Massaro's Medicare patients by sex, 2024
- Women20748%
- Men22452%
Chronic conditions among John Michael Massaro's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis51%
- Ischemic heart disease45%
- Diabetes35%
- Chronic kidney disease29%
- Atrial fibrillation26%
- COPD26%
Share of Medicare patients with each condition. A patient can have several.
John Michael Massaro's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 74
Patient panel by sex, all payers
- Women52%
- Men47%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
John Michael M. Massaro wrote 168 Medicare Part D claims in 2024
In 2024, John Michael Massaro wrote 168 Medicare Part D claims for 87 patients. 74% of them were for generic drugs.
John Michael Massaro's Part D claims by kind of drug, 2024
- Generic124 claims74%
- Brand-name44 claims26%
Drug classes CMS tracks in John Michael Massaro's Part D claims, 2024
- Opioids23%39 of 168 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
John Michael M. Massaro scored 92 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 92 out of 100 for John Michael Massaro for performance year 2024, reported as part of a group. John Michael Massaro accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
John Michael Massaro's MIPS scores, performance year 2024
- 92of 100Final score
- 83.8of 100Quality
- 95of 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
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John Michael M. Massaro received $150 in industry payments in 2025
CMS Open Payments shows 1 general payment to John Michael Massaro from 1 drug or device company in 2025. Food and beverage make up the largest share, 100% of the total. Medtronic, Inc. paid the most, $150.
Companies that paid John Michael Massaro 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 John Michael M. Massaro'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)Clinician Public Reporting: Overall MIPS Performance (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 John Michael M. Massaro
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is John Michael M. Massaro's NPI number?
John Michael M. Massaro's NPI number is 1376096602. It was assigned on August 3, 2016, and it is active in the NPI Registry.
What does John Michael M. Massaro specialize in?
John Michael M. Massaro is a physician assistant in Henrico, Virginia. The primary specialty in the NPI Registry is Physician Assistant (taxonomy code 363A00000X).
Where does John Michael M. Massaro practice?
John Michael Massaro practices at 1602 Skipwith Road, Richmond, VA 23229. John Michael Massaro's primary practice is Henrico Doctors' Hospital in Richmond, Virginia, part of HCA Healthcare. Dmand AI also links John Michael Massaro to 1 group practice or clinic and 1 medical group.
What is John Michael M. Massaro's office phone number?
The practice phone on file for John Michael Massaro is (804) 289-4500.
What is John Michael M. Massaro's medical license number?
John Michael Massaro holds Virginia license 0110005292.
Which hospitals is John Michael M. Massaro affiliated with?
John Michael Massaro practices at Henrico Doctors' Hospital in Richmond, Virginia. John Michael Massaro is also affiliated with Bon Secours St. Mary's Hospital.
What medical group is John Michael M. Massaro part of?
John Michael Massaro is linked to Vascular Surgery Associates. Dmand AI links John Michael Massaro to 1 more medical group.
Does John Michael M. Massaro accept Medicare?
Yes. CMS lists John Michael Massaro as accepting Medicare assignment.
What is John Michael M. Massaro's MIPS score?
John Michael Massaro's MIPS final score for performance year 2024 is 92 out of 100, reported as part of a group.
How many Medicare patients does John Michael M. Massaro see?
CMS counts 431 Medicare patients who saw John Michael Massaro in 2024, with an average age of 77.
Has John Michael M. Massaro received payments from drug or device companies?
CMS Open Payments shows $150 in general payments to John Michael Massaro from 1 company from 2025 to 2025. The largest total came from Medtronic, Inc.
How long has John Michael M. Massaro been practicing?
John Michael Massaro graduated from medical school in 2015, 11 years ago.
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