John B. O'Grady, PA-C
- Medicare patients, 2024
- 339
- Part D claims, 2024
- 216
- MIPS score, 2024
- 100
- Hospital affiliations
- 4
- Industry payments
- $72
- Practice address
- 55 North Ave, Mendon, MA 01756
- Practice phone
- Call (508) 334-1000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Umass Memorial Medical Center
Mendon, Massachusetts
Find John O'Grady'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.
John B. O'Grady is a physician assistant in Mendon, Massachusetts
John O'Grady practices at Umass Memorial Medical Center in Mendon, Massachusetts.
John O'Grady's NPI, 1083689020, was assigned on February 22, 2006. John O'Grady graduated from Barry University School of Podiatric Medicine in 2000. John O'Grady holds Massachusetts license 1778.
- NPI
- 1083689020NPI Registry (opens in a new tab)
- Medicare PAC ID
- 3274574884
- NPI enumeration date
- February 22, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (508) 334-1000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 52
- Medical school graduation
- 2000
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
John B. O'Grady practices at Umass Memorial Medical Center in Mendon, Massachusetts
John O'Grady's primary practice is Umass Memorial Medical Center, at 55 North Ave, Mendon, MA 01756 in Worcester County. The practice phone is (508) 334-1000.
- Umass Memorial Medical Center55 North Ave, Mendon, MA 01756 · Worcester CountyPhone(508) 334-1000
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
John B. O'Grady is affiliated with 5 sites of care and 1 medical group
John O'Grady's primary practice is Umass Memorial Medical Center in Mendon, Massachusetts. John O'Grady is also affiliated with UMass Memorial Medical Center - University Campus. The medical group on file is UMass Memorial Medical Group. Dmand AI also links John O'Grady to 3 more hospitals, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at John B. O'Grady's practice
Dmand AI tracks the electronic health record (EHR) system at each site where John O'Grady practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Umass Memorial Medical Center | Available with a free account |
| +4 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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John B. O'Grady is one of 3,922 physician assistants in Massachusetts
Physician assistant is John O'Grady's primary specialty in the NPI Registry, under taxonomy code 363A00000X. John O'Grady is licensed in Massachusetts.
Specialties and state licenses
- Physician assistant, MassachusettsPrimary
Physician assistants near John O'Grady
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 B. O'Grady treated 339 Medicare patients in 2024, average age 71
CMS counts 339 Medicare patients who saw John O'Grady in 2024. The largest group is 65 to 74, with 130 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 40% are also on Medicaid. Their average risk score is 1.48, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts John O'Grady's median patient age at 69, with 45% women.
John O'Grady's Medicare patients by age, 2024
John O'Grady's Medicare patients by sex, 2024
- Women18053%
- Men15947%
Chronic conditions among John O'Grady's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis68%
- Anxiety44%
- Mood disorders39%
- Depression36%
- Chronic kidney disease29%
- Diabetes29%
Share of Medicare patients with each condition. A patient can have several.
John O'Grady's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 69
Patient panel by sex, all payers
- Women45%
- Men54%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
John B. O'Grady wrote 216 Medicare Part D claims in 2024
In 2024, John O'Grady wrote 216 Medicare Part D claims for 107 patients. 100% of them were for generic drugs.
Drug classes CMS tracks in John O'Grady's Part D claims, 2024
- Opioids36%77 of 216 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 B. O'Grady scored 100 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 100 out of 100 for John O'Grady for performance year 2024, reported through an alternative payment model (APM). John O'Grady accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
John O'Grady's MIPS scores, performance year 2024
- 100of 100Final score
- 83of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
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 B. O'Grady received $72 in industry payments in 2025
CMS Open Payments shows 3 general payments to John O'Grady from 1 drug or device company in 2025. Food and beverage make up the largest share, 100% of the total. Orthofix Medical, Inc. paid the most, $72.
Companies that paid John O'Grady the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
John B. O'Grady graduated from Barry University School of Podiatric Medicine
John O'Grady graduated from Barry University School of Podiatric Medicine in 2000.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for John B. O'Grady'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 | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand 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) |
| 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 John B. O'Grady
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 B. O'Grady's NPI number?
John B. O'Grady's NPI number is 1083689020. It was assigned on February 22, 2006, and it is active in the NPI Registry.
What does John B. O'Grady specialize in?
John B. O'Grady is a physician assistant in Mendon, Massachusetts. The primary specialty in the NPI Registry is Physician Assistant (taxonomy code 363A00000X).
Where does John B. O'Grady practice?
John O'Grady practices at 55 North Ave, Mendon, MA 01756. John O'Grady's primary practice is Umass Memorial Medical Center in Mendon, Massachusetts. Dmand AI also links John O'Grady to 3 hospitals.
What is John B. O'Grady's office phone number?
The practice phone on file for John O'Grady is (508) 334-1000.
What is John B. O'Grady's medical license number?
John O'Grady holds Massachusetts license 1778.
Which hospitals is John B. O'Grady affiliated with?
John O'Grady is affiliated with UMass Memorial Medical Center - University Campus. Dmand AI links John O'Grady to 3 more hospitals.
What medical group is John B. O'Grady part of?
John O'Grady is linked to UMass Memorial Medical Group.
Does John B. O'Grady accept Medicare?
Yes. CMS lists John O'Grady as accepting Medicare assignment.
What is John B. O'Grady's MIPS score?
John O'Grady's MIPS final score for performance year 2024 is 100 out of 100, reported through an alternative payment model (APM).
How many Medicare patients does John B. O'Grady see?
CMS counts 339 Medicare patients who saw John O'Grady in 2024, with an average age of 71.
Show 3 more questionsShow fewer questions
Where did John B. O'Grady go to medical school?
John O'Grady graduated from Barry University School of Podiatric Medicine in 2000.
Has John B. O'Grady received payments from drug or device companies?
CMS Open Payments shows $72 in general payments to John O'Grady from 1 company from 2025 to 2025. The largest total came from Orthofix Medical, Inc.
How long has John B. O'Grady been practicing?
John O'Grady graduated from medical school in 2000, 26 years ago.
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