Alexander J. Hembrey, PA-C
- Medicare patients, 2024
- 36
- Part D claims, 2024
- 37
- MIPS score, 2024
- 96
- Hospital affiliations
- 2
- Industry payments
- $214
- Practice address
- 4201 Medical Center Drive, Mchenry, IL 60050
- Practice phone
- Call (815) 344-5000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Alexander Hembrey'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.
Alexander J. Hembrey is a surgical physician assistant in Mchenry, Illinois
Alexander Hembrey practices at Northwestern Medicine McHenry Hospital in Mchenry, Illinois, part of Northwestern Memorial HealthCare.
Alexander Hembrey's NPI, 1497295125, was assigned on February 28, 2017.
- NPI
- 1497295125NPI Registry (opens in a new tab)
- Medicare PAC ID
- 8123391166
- NPI enumeration date
- February 28, 2017
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (815) 344-5000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 35
- Medical school graduation
- 2017
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Alexander J. Hembrey practices at Northwestern Medicine McHenry Hospital in Mchenry, Illinois
Alexander Hembrey's primary practice is Northwestern Medicine McHenry Hospital, at 4201 Medical Center Drive, Mchenry, IL 60050 in Mc Henry County. The practice phone is (815) 344-5000.
- Northwestern Medicine McHenry Hospital4201 Medical Center Drive, Mchenry, IL 60050 · Mc Henry CountyPhone(815) 344-5000
Source: Dmand AI Affiliation Data
Alexander J. Hembrey is affiliated with 4 sites of care and 2 medical groups
Alexander Hembrey's primary practice is Northwestern Medicine McHenry Hospital in Mchenry, Illinois, part of Northwestern Memorial HealthCare. The medical group on file is Northwestern Medicine Regional Medical Group. Dmand AI also links Alexander Hembrey to 1 more hospital, 2 group practices and clinics 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 Alexander J. Hembrey's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Alexander Hembrey practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Northwestern Medicine McHenry Hospital | Available with a free account |
| +3 more sites and 1 medical group | 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 Northwestern Memorial HealthCare and 6.2K+ hospitals, with verified contacts in the same login.
Alexander J. Hembrey is one of 468 surgical physician assistants in Illinois
Surgical is Alexander Hembrey's primary specialty in the NPI Registry, under taxonomy code 363AS0400X. Alexander Hembrey has a license on file in Illinois.
Specialties and state licenses
- Surgical physician assistant, Illinois
Surgical physician assistants near Alexander Hembrey
Counts of surgical 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
Alexander J. Hembrey treated 36 Medicare patients in 2024, average age 77
CMS counts 36 Medicare patients who saw Alexander Hembrey in 2024. The largest group is 65 to 74, with 16 patients. 75% of them have arthritis, and 75% have high blood pressure. Their average risk score is 1.17, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Alexander Hembrey's median patient age at 71, with 59% women.
Alexander Hembrey's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Alexander Hembrey's Medicare patients by sex, 2024
- Women2158%
- Men1542%
Chronic conditions among Alexander Hembrey's Medicare patients, 2024
- Arthritis75%
- High blood pressure75%
- High cholesterol75%
- Anxiety47%
- Depression39%
- Mood disorders39%
- Diabetes31%
- Heart failure31%
Share of Medicare patients with each condition. A patient can have several.
Alexander Hembrey's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 71
Patient panel by sex, all payers
- Women59%
- Men41%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Alexander J. Hembrey wrote 37 Medicare Part D claims in 2024
In 2024, Alexander Hembrey wrote 37 Medicare Part D claims for 19 patients. 100% of them were for generic drugs.
Drug classes CMS tracks in Alexander Hembrey's Part D claims, 2024
- Opioids32%12 of 37 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
Alexander J. Hembrey scored 96 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 96 out of 100 for Alexander Hembrey for performance year 2024, reported through an alternative payment model (APM). Alexander Hembrey accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Alexander Hembrey as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Alexander Hembrey's MIPS scores, performance year 2024
- 96of 100Final score
- 88.5of 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
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.
Alexander J. Hembrey received $214 in industry payments in 2025
CMS Open Payments shows 5 general payments to Alexander Hembrey from 1 drug or device company in 2025. Food and beverage make up the largest share, 100% of the total. Stryker Corporation paid the most, $214.
Companies that paid Alexander Hembrey 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 Alexander J. Hembrey'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 Alexander J. Hembrey
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Alexander J. Hembrey's NPI number?
Alexander J. Hembrey's NPI number is 1497295125. It was assigned on February 28, 2017, and it is active in the NPI Registry.
What does Alexander J. Hembrey specialize in?
Alexander J. Hembrey is a surgical physician assistant in Mchenry, Illinois. The primary specialty in the NPI Registry is Surgical Physician Assistant (taxonomy code 363AS0400X).
Where does Alexander J. Hembrey practice?
Alexander Hembrey practices at 4201 Medical Center Drive, Mchenry, IL 60050. Alexander Hembrey's primary practice is Northwestern Medicine McHenry Hospital in Mchenry, Illinois, part of Northwestern Memorial HealthCare. Dmand AI also links Alexander Hembrey to 1 hospital, 2 group practices and clinics and 1 medical group.
What is Alexander J. Hembrey's office phone number?
The practice phone on file for Alexander Hembrey is (815) 344-5000.
Which hospitals is Alexander J. Hembrey affiliated with?
Alexander Hembrey practices at Northwestern Medicine McHenry Hospital in Mchenry, Illinois. Dmand AI links Alexander Hembrey to 1 more hospital.
What medical group is Alexander J. Hembrey part of?
Alexander Hembrey is linked to Northwestern Medicine Regional Medical Group. Dmand AI links Alexander Hembrey to 1 more medical group.
Does Alexander J. Hembrey accept Medicare?
Yes. CMS lists Alexander Hembrey as accepting Medicare assignment.
Does Alexander J. Hembrey offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Alexander Hembrey as offering telehealth services.
What is Alexander J. Hembrey's MIPS score?
Alexander Hembrey's MIPS final score for performance year 2024 is 96 out of 100, reported through an alternative payment model (APM).
How many Medicare patients does Alexander J. Hembrey see?
CMS counts 36 Medicare patients who saw Alexander Hembrey in 2024, with an average age of 77.
Has Alexander J. Hembrey received payments from drug or device companies?
CMS Open Payments shows $214 in general payments to Alexander Hembrey from 1 company from 2025 to 2025. The largest total came from Stryker Corporation.
How long has Alexander J. Hembrey been practicing?
Alexander Hembrey graduated from medical school in 2017, 9 years ago.
Selling to surgical practices?
See surgical physician assistants in Illinois 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