William Alexander Hernandez
- Medicare patients, 2024
- 45
- MIPS score, 2024
- 88
- Hospital affiliations
- 2
- Industry payments
- $17
- Medical groups
- 2
- Practice address
- 675 N St Clair St, Chicago, IL 60611
- Practice phone
- Call (312) 695-0646
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Northwestern Medical Group
Chicago, Illinois
Find William Hernandez'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 Alexander Hernandez is a nurse anesthetist in Chicago, Illinois
William Hernandez practices at Northwestern Medical Group in Chicago, Illinois.
William Hernandez's NPI, 1164060836, was assigned on December 12, 2019. William Hernandez graduated from University of Miami, Lm Miller School of Medicine in 2019. William Hernandez holds Florida license APRN11007682.
- NPI
- 1164060836NPI Registry (opens in a new tab)
- Medicare PAC ID
- 0840629135
- NPI enumeration date
- December 12, 2019
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (312) 695-0646
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 33
- Medical school graduation
- 2019
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
William Alexander Hernandez practices at Northwestern Medical Group in Chicago, Illinois
William Hernandez's primary practice is Northwestern Medical Group, at 675 N St Clair St, Chicago, IL 60611 in Cook County. The practice phone is (312) 695-0646.
- Northwestern Medical Group675 N St Clair St, Chicago, IL 60611 · Cook CountyPhone(312) 695-0646
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
William Alexander Hernandez is affiliated with 3 sites of care and 2 medical groups
William Hernandez's primary practice is Northwestern Medical Group in Chicago, Illinois. William Hernandez is also affiliated with Jackson Memorial Hospital. The medical group on file is ColumbiaDoctors. Dmand AI also links William Hernandez to 1 more hospital and 1 medical group, 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 William Alexander Hernandez's practice
Dmand AI tracks the electronic health record (EHR) system at each site where William Hernandez practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Northwestern Medical Group | 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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William Alexander Hernandez is one of 2,003 nurse anesthetists in Illinois
Nurse anesthetist, certified registered is William Hernandez's primary specialty in the NPI Registry, under taxonomy code 367500000X. William Hernandez is licensed in Florida.
Specialties and state licenses
- Certified registered nurse anesthetist, FloridaPrimary
Nurse anesthetists near William Hernandez
Counts of nurse anesthetists 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 Alexander Hernandez treated 45 Medicare patients in 2024, average age 73
CMS counts 45 Medicare patients who saw William Hernandez in 2024. The largest group is 65 to 74, with 24 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 31% are also on Medicaid. Their average risk score is 2.43, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts William Hernandez's median patient age at 69, with 44% women.
William Hernandez's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
William Hernandez's Medicare patients by sex, 2024
- Women1738%
- Men2862%
Chronic conditions among William Hernandez's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis62%
- Cancer44%
- Ischemic heart disease44%
- Mood disorders42%
- Diabetes40%
- Chronic kidney disease36%
Share of Medicare patients with each condition. A patient can have several.
William Hernandez'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
- Women44%
- Men56%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
William Alexander Hernandez scored 88 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 88 out of 100 for William Hernandez for performance year 2024, reported as part of a group. William Hernandez accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
William Hernandez's MIPS scores, performance year 2024
- 88of 100Final score
- 78.8of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
- 71of 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
William Alexander Hernandez received $17 in industry payments in 2025
CMS Open Payments shows 1 general payment to William Hernandez from 1 drug or device company in 2025. Food and beverage make up the largest share, 100% of the total. Octapharma USA, Inc. paid the most, $17.
Companies that paid William Hernandez the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
William Alexander Hernandez graduated from University of Miami, Lm Miller School of Medicine
William Hernandez graduated from University of Miami, Lm Miller School of Medicine in 2019.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for William Alexander Hernandez'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) |
| 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 William Alexander Hernandez
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 Alexander Hernandez's NPI number?
William Alexander Hernandez's NPI number is 1164060836. It was assigned on December 12, 2019, and it is active in the NPI Registry.
What does William Alexander Hernandez specialize in?
William Alexander Hernandez is a nurse anesthetist in Chicago, Illinois. The primary specialty in the NPI Registry is Certified Registered Nurse Anesthetist (taxonomy code 367500000X).
Where does William Alexander Hernandez practice?
William Hernandez practices at 675 N St Clair St, Chicago, IL 60611. William Hernandez's primary practice is Northwestern Medical Group in Chicago, Illinois. Dmand AI also links William Hernandez to 1 hospital and 1 medical group.
What is William Alexander Hernandez's office phone number?
The practice phone on file for William Hernandez is (312) 695-0646.
What is William Alexander Hernandez's medical license number?
William Hernandez holds Florida license APRN11007682.
Which hospitals is William Alexander Hernandez affiliated with?
William Hernandez is affiliated with Jackson Memorial Hospital. Dmand AI links William Hernandez to 1 more hospital.
What medical group is William Alexander Hernandez part of?
William Hernandez is linked to ColumbiaDoctors. Dmand AI links William Hernandez to 1 more medical group.
Does William Alexander Hernandez accept Medicare?
Yes. CMS lists William Hernandez as accepting Medicare assignment.
What is William Alexander Hernandez's MIPS score?
William Hernandez's MIPS final score for performance year 2024 is 88 out of 100, reported as part of a group.
How many Medicare patients does William Alexander Hernandez see?
CMS counts 45 Medicare patients who saw William Hernandez in 2024, with an average age of 73.
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Where did William Alexander Hernandez go to medical school?
William Hernandez graduated from University of Miami, Lm Miller School of Medicine in 2019.
Has William Alexander Hernandez received payments from drug or device companies?
CMS Open Payments shows $17 in general payments to William Hernandez from 1 company from 2025 to 2025. The largest total came from Octapharma USA, Inc.
How long has William Alexander Hernandez been practicing?
William Hernandez graduated from medical school in 2019, 7 years ago.
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