Hennessy Howell Williams
- Medicare services, 2024
- 772
- Medicare patients, 2024
- 219
- Part D claims, 2024
- 6,290
- Hospital affiliations
- 1
- Industry payments
- $15
- Practice address
- 619 19th S St, Birmingham, AL 35211
- Practice phone
- Call (205) 731-9770
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
University of Alabama Birmingham Hospital
Birmingham, Alabama
Find Hennessy Williams' 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.
Hennessy Howell Williams is an internist in Birmingham, Alabama
Hennessy Williams practices at University of Alabama Birmingham Hospital in Birmingham, Alabama.
Hennessy Williams' NPI, 1427292747, was assigned on April 30, 2009. Hennessy Williams graduated from University of Mississippi School of Medicine in 2009. Hennessy Williams holds Alabama license 30630.
- NPI
- 1427292747NPI Registry (opens in a new tab)
- Medicare PAC ID
- 5496991069
- NPI enumeration date
- April 30, 2009
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (205) 731-9770
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 43
- Medical school graduation
- 2009
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Hennessy Howell Williams practices at University of Alabama Birmingham Hospital in Birmingham, Alabama
Hennessy Williams' primary practice is University of Alabama Birmingham Hospital, at 619 19th S St, Birmingham, AL 35211 in Jefferson County. The practice phone is (205) 731-9770.
- University of Alabama Birmingham Hospital619 19th S St, Birmingham, AL 35211 · Jefferson CountyPhone(205) 731-9770
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Hennessy Howell Williams is affiliated with 3 sites of care and 1 medical group
Hennessy Williams' primary practice is University of Alabama Birmingham Hospital in Birmingham, Alabama. Hennessy Williams is also affiliated with UAB Hospital. The medical group on file is UAB Medicine. Dmand AI also links Hennessy Williams to 1 more home health agency, 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 Hennessy Howell Williams' practice
Dmand AI tracks the electronic health record (EHR) system at each site where Hennessy Williams practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| University of Alabama Birmingham Hospital | Available with a free account |
| +2 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Hennessy Howell Williams is one of 1,685 internists in Alabama
Internal medicine is Hennessy Williams' primary specialty in the NPI Registry, under taxonomy code 207R00000X. Hennessy Williams is licensed in Alabama.
Specialties and state licenses
- Internal medicine, AlabamaPrimary
Internists near Hennessy Williams
Counts of internists 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
Hennessy Howell Williams billed Medicare for 772 services in 2024
CMS data shows 772 Medicare services from Hennessy Williams across 11 procedure codes in 2024, for 219 Medicare patients. Medicare paid $57,045 for them. Every service was in an office.
Hennessy Williams' Medicare services by type, 2023 to 2024
- 2023
- 2024
- Other services
- 2023: 1862024: 34686%
- Office and hospital visits
- 2023: 3122024: 3275%
- Tests and treatments
- 2023: 502024: 9998%
Hennessy Williams compared with the Alabama median for internists, 2024
- Hennessy Williams
- Alabama median
- Medicare services
- 772vs 66416% above
- Medicare patients
- 219vs 2038% above
- Part D claims
- 5,714vs 50011.4 times
Medians across 1,610 internists in Alabama with Dmand AI profiles that report each measure.
Hennessy Williams' most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Medicare shows one payer. Book a meeting to get commercial claims data for Hennessy Williams and other internists in Alabama.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Hennessy Howell Williams treated 219 Medicare patients in 2024, average age 73
CMS counts 219 Medicare patients who saw Hennessy Williams in 2024. The largest group is 65 to 74, with 117 patients. 75% of them have high blood pressure, and 74% 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 Hennessy Williams' median patient age at 60, with 67% women.
Hennessy Williams' Medicare patients by age, 2024
Hennessy Williams' Medicare patients by sex, 2024
- Women15169%
- Men6831%
Chronic conditions among Hennessy Williams' Medicare patients, 2024
- High blood pressure75%
- High cholesterol74%
- Arthritis44%
- Diabetes33%
- Chronic kidney disease29%
- Anxiety23%
- Depression23%
- Ischemic heart disease23%
Share of Medicare patients with each condition. A patient can have several.
Hennessy Williams' patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 60
Patient panel by sex, all payers
- Women67%
- Men33%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Hennessy Howell Williams wrote 6,290 Medicare Part D claims in 2024
In 2024, Hennessy Williams wrote 6,290 Medicare Part D claims for 482 patients. 87% of them were for generic drugs. CMS names the drug for 5,714 of them, across 83 drugs with 11 or more claims each, at $599,886 in total drug cost. In 2023, CMS named 4,767 claims across 87 drugs.
Hennessy Williams' Part D claims by kind of drug, 2024
- Generic5,446 claims87%
- Brand-name817 claims13%
- Other27 claims0%
Hennessy Williams' most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Hennessy Williams' Part D claims, 2024
- Opioids1%70 of 6,290 claims
- Antibiotics1%35 of 6,290 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 4,7672024: 5,71420%
Drugs named by CMS: 83 in 2024, 87 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
Hennessy Howell Williams offers telehealth to Medicare patients
Hennessy Williams accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Hennessy Williams as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Hennessy Howell Williams received $15 in industry payments in 2016
CMS Open Payments shows 1 general payment to Hennessy Williams from 1 drug or device company in 2016. Food and beverage make up the largest share, 100% of the total. Gilead Sciences, Inc. paid the most, $15.
Companies that paid Hennessy Williams the most, 2016 to 2016
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Hennessy Howell Williams graduated from University of Mississippi School of Medicine
Hennessy Williams graduated from University of Mississippi School of Medicine in 2009.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Hennessy Howell Williams'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 services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| 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 and Drug (CMS) (opens in a new tab)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) |
| 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 Hennessy Howell Williams
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Hennessy Howell Williams' NPI number?
Hennessy Howell Williams' NPI number is 1427292747. It was assigned on April 30, 2009, and it is active in the NPI Registry.
What does Hennessy Howell Williams specialize in?
Hennessy Howell Williams is an internist in Birmingham, Alabama. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Hennessy Howell Williams practice?
Hennessy Williams practices at 619 19th S St, Birmingham, AL 35211. Hennessy Williams' primary practice is University of Alabama Birmingham Hospital in Birmingham, Alabama. Dmand AI also links Hennessy Williams to 1 home health agency.
What is Hennessy Howell Williams' office phone number?
The practice phone on file for Hennessy Williams is (205) 731-9770.
What is Hennessy Howell Williams' medical license number?
Hennessy Williams holds Alabama license 30630.
Which hospitals is Hennessy Howell Williams affiliated with?
Hennessy Williams is affiliated with UAB Hospital.
What medical group is Hennessy Howell Williams part of?
Hennessy Williams is linked to UAB Medicine.
Does Hennessy Howell Williams accept Medicare?
Yes. CMS data shows Hennessy Williams billed Medicare for 772 services in 2024, and Hennessy Williams accepts Medicare assignment.
Does Hennessy Howell Williams offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Hennessy Williams as offering telehealth services.
How many Medicare patients does Hennessy Howell Williams see?
CMS counts 219 Medicare patients who saw Hennessy Williams in 2024, with an average age of 73.
Show 5 more questionsShow fewer questions
What services does Hennessy Howell Williams bill to Medicare?
In 2024, Hennessy Williams' most billed Medicare services were office visit, established patient (99214), medicare service (G0439) and medicare service (G2211).
Where did Hennessy Howell Williams go to medical school?
Hennessy Williams graduated from University of Mississippi School of Medicine in 2009.
What drugs does Hennessy Howell Williams prescribe most?
In 2024 Medicare Part D data, Hennessy Williams' most prescribed drugs by claims were Atorvastatin Calcium, Amlodipine Besylate and Levothyroxine Sodium.
Has Hennessy Howell Williams received payments from drug or device companies?
CMS Open Payments shows $15 in general payments to Hennessy Williams from 1 company from 2016 to 2016. The largest total came from Gilead Sciences, Inc.
How long has Hennessy Howell Williams been practicing?
Hennessy Williams graduated from medical school in 2009, 17 years ago.
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