Dr. William Orlando Hahn, MD
- Medicare services, 2022
- 27
- Publications
- 20
- Hospital affiliations
- 3
- Industry payments
- $23
- Medical group
- 1
- Practice address
- 6201 Harry Hines Blvd, Dallas, TX 75390
- Practice phone
- Call (214) 633-5555
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Find Dr. Hahn'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.
Dr. William Orlando Hahn is an infectious disease specialist in Dallas, Texas
Dr. Hahn practices at William P. Clements Jr. University Hospital in Dallas, Texas, part of The University of Texas System.
Dr. Hahn's NPI, 1164650347, was assigned on June 26, 2009. Dr. Hahn holds Washington license MD60332434.
- NPI
- 1164650347NPI Registry (opens in a new tab)
- Medicare PAC ID
- 1355562521
- NPI enumeration date
- June 26, 2009
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (214) 633-5555
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 43
- Medical school graduation
- 2009
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. William Orlando Hahn practices at William P. Clements Jr. University Hospital in Dallas, Texas
Dr. Hahn's primary practice is William P. Clements Jr. University Hospital, at 6201 Harry Hines Blvd, Dallas, TX 75390 in Dallas County. The practice phone is (214) 633-5555.
- William P. Clements Jr. University Hospital6201 Harry Hines Blvd, Dallas, TX 75390 · Dallas CountyPhone(214) 633-5555
Source: Dmand AI Affiliation Data
Dr. William Orlando Hahn is affiliated with 3 sites of care and 1 medical group
Dr. Hahn's primary practice is William P. Clements Jr. University Hospital in Dallas, Texas, part of The University of Texas System. Dr. Hahn is also affiliated with UW Medical Center - Montlake. The medical group on file is UW Physicians. Dmand AI also links Dr. Hahn to 1 more hospital, named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. William Orlando Hahn's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Hahn practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| William P. Clements Jr. University 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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Dr. William Orlando Hahn is one of 629 infectious disease specialists in Texas
Infectious disease is Dr. Hahn's primary specialty in the NPI Registry, under taxonomy code 207RI0200X. Dr. Hahn is licensed in Washington.
Specialties and state licenses
- Infectious disease, WashingtonPrimary
Infectious disease specialists near Dr. Hahn
Counts of infectious disease specialists 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
Dr. William Orlando Hahn billed Medicare for 27 services in 2022
CMS data shows 27 Medicare services from Dr. Hahn across 1 procedure code in 2022. Medicare paid $1,652 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Hahn's Medicare services by type, 2020 to 2022
- 2020
- 2022
- Office and hospital visits
- 2020: 202022: 2735%
Dr. Hahn compared with the Texas median for infectious disease specialists, 2022
- Dr. Hahn
- Texas median
- Medicare services
- 27vs 39293% below
Medians across 571 infectious disease specialists in Texas with Dmand AI profiles that report each measure.
Dr. Hahn's most billed Medicare procedure codes, 2022
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
Need commercial claims for Dr. Hahn?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Hahn and other infectious disease specialists in Texas.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. William Orlando Hahn's patients have a median age of 70
Across all payers, Dmand AI patient panel data puts Dr. Hahn's median patient age at 70, with 48% women.
Dr. Hahn's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 70
Patient panel by sex, all payers
- Women48%
- Men52%
Source: Dmand AI Patient Panel Data
How Dr. William Orlando Hahn takes part in Medicare
Dr. Hahn accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. William Orlando Hahn has 20 publications on record
Dmand AI links 20 papers to Dr. Hahn, published from 2015 to 2025. 2016 was the busiest year, with 3. The most frequent topics are Acute Kidney Injury, Anti-Bacterial Agents and Antimalarials. Dr. Hahn has published most often in Am J Respir Crit Care Med. Dr. Hahn's most frequent co-authors are Wayne Conrad Liles, MD, PhD, Jonathan Himmelfarb, MD and Carmen R. Mikacenic, MD.
Dr. Hahn's papers by year, 2015 to 2025
Topics Dr. Hahn writes about most
- Acute Kidney Injury
- Anti-Bacterial Agents
- Antimalarials
- B-Lymphocytes
- Corynebacterium
- Corynebacterium Infections
- Critical Illness
- Immunity, Humoral
Dr. Hahn's most frequent co-authors
- Wayne Conrad Liles, MD, PhD7 shared papers
- Jonathan Himmelfarb, MD5 shared papers
- Carmen R. Mikacenic, MD5 shared papers
Recent publications by Dr. Hahn
Infect Dis Clin North Am
See who Dr. Hahn researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Hahn works with, so you can find a warm path to the right infectious disease specialists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. William Orlando Hahn received $23 in industry payments in 2017
CMS Open Payments shows 2 general payments to Dr. Hahn from 1 drug or device company in 2017. Food and beverage make up the largest share, 100% of the total. Allergan Inc. paid the most, $23.
Companies that paid Dr. Hahn the most, 2017 to 2017
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. William Orlando Hahn'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 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 Data |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| 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 Dr. William Orlando Hahn
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. William Orlando Hahn's NPI number?
Dr. William Orlando Hahn's NPI number is 1164650347. It was assigned on June 26, 2009, and it is active in the NPI Registry.
What kind of doctor is Dr. William Orlando Hahn?
Dr. William Orlando Hahn is an infectious disease specialist in Dallas, Texas. The primary specialty in the NPI Registry is Infectious Disease Physician (taxonomy code 207RI0200X).
Where does Dr. William Orlando Hahn practice?
Dr. Hahn practices at 6201 Harry Hines Blvd, Dallas, TX 75390. Dr. Hahn's primary practice is William P. Clements Jr. University Hospital in Dallas, Texas, part of The University of Texas System. Dmand AI also links Dr. Hahn to 1 hospital.
What is Dr. William Orlando Hahn's office phone number?
The practice phone on file for Dr. Hahn is (214) 633-5555.
What is Dr. William Orlando Hahn's medical license number?
Dr. Hahn holds Washington license MD60332434.
Which hospitals is Dr. William Orlando Hahn affiliated with?
Dr. Hahn practices at William P. Clements Jr. University Hospital in Dallas, Texas. Dr. Hahn is also affiliated with UW Medical Center - Montlake. Dmand AI links Dr. Hahn to 1 more hospital.
What medical group is Dr. William Orlando Hahn part of?
Dr. Hahn is linked to UW Physicians.
Does Dr. William Orlando Hahn accept Medicare?
Yes. CMS data shows Dr. Hahn billed Medicare for 27 services in 2022, and Dr. Hahn accepts Medicare assignment.
What services does Dr. William Orlando Hahn bill to Medicare?
In 2022, Dr. Hahn's most billed Medicare services were hospital inpatient care (99232).
Has Dr. William Orlando Hahn received payments from drug or device companies?
CMS Open Payments shows $23 in general payments to Dr. Hahn from 1 company from 2017 to 2017. The largest total came from Allergan Inc.
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How long has Dr. William Orlando Hahn been practicing?
Dr. Hahn graduated from medical school in 2009, 17 years ago.
Does Dr. William Orlando Hahn do research?
Dmand AI links 20 publications to Dr. Hahn, published from 2015 to 2025.
Who does Dr. William Orlando Hahn publish with?
Dr. Hahn's most frequent co-authors are Wayne Conrad Liles, MD, PhD (7 shared papers), Jonathan Himmelfarb, MD (5 shared papers) and Carmen R. Mikacenic, MD (5 shared papers).
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