William Orr Hahn, PhD
- Medicare patients, 2024
- 148
- Hospital affiliations
- 1
- State license
- 1
- Year NPI issued
- 2006
- Practice address
- 320 Guys Run Road, Pittsburgh, PA 15238
- Practice phone
- Call (412) 828-1300
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Find William Hahn's professional email, personal email and mobile number
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William Orr Hahn is a school psychologist in Pittsburgh, Pennsylvania
William Hahn practices at Encompass Health Rehabilitation Hospital of Harmarville in Pittsburgh, Pennsylvania, part of Encompass Health.
William Hahn's NPI, 1568426765, was assigned on April 14, 2006. William Hahn graduated from University of Pittsburgh School of Medicine in 1984. William Hahn holds Pennsylvania license PS003428L.
- NPI
- 1568426765NPI Registry (opens in a new tab)
- Medicare PAC ID
- 2668568486
- NPI enumeration date
- April 14, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (412) 828-1300
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 68
- Medical school graduation
- 1984
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
William Orr Hahn practices at Encompass Health Rehabilitation Hospital of Harmarville in Pittsburgh, Pennsylvania
William Hahn's primary practice is Encompass Health Rehabilitation Hospital of Harmarville, at 320 Guys Run Road, Pittsburgh, PA 15238 in Allegheny County. The practice phone is (412) 828-1300.
- Encompass Health Rehabilitation Hospital of Harmarville320 Guys Run Road, Pittsburgh, PA 15238 · Allegheny CountyPhone(412) 828-1300
Source: Dmand AI Affiliation Data
William Orr Hahn is affiliated with 2 sites of care
William Hahn's primary practice is Encompass Health Rehabilitation Hospital of Harmarville in Pittsburgh, Pennsylvania, part of Encompass Health. Dmand AI also links William Hahn to 1 physician office, named with a free account. William Hahn's employer is on file too: a hospital.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at William Orr Hahn's practice
Dmand AI tracks the electronic health record (EHR) system at each site where William Hahn practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Encompass Health Rehabilitation Hospital of Harmarville | Available with a free account |
| +1 more affiliated site | 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 Encompass Health and 6.2K+ hospitals, with verified contacts in the same login.
William Orr Hahn is one of 12 school psychologists in Pennsylvania
Psychologist is William Hahn's primary specialty in the NPI Registry, under taxonomy code 103TS0200X. The record also lists school. William Hahn is licensed in Pennsylvania.
Specialties and state licenses
- School psychologist, PennsylvaniaPrimary
School psychologists near William Hahn
Counts of school psychologists 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 Orr Hahn treated 148 Medicare patients in 2024, average age 74
CMS counts 148 Medicare patients who saw William Hahn in 2024. The largest group is 65 to 74, with 62 patients. 75% of them have arthritis, and 75% have high blood pressure. 11% are also on Medicaid. Their average risk score is 2.82, 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 Hahn's median patient age at 70, with 27% women.
William Hahn's Medicare patients by age, 2024
William Hahn's Medicare patients by sex, 2024
- Women8054%
- Men6846%
Chronic conditions among William Hahn's Medicare patients, 2024
- Arthritis75%
- High blood pressure75%
- High cholesterol75%
- Mood disorders75%
- Anxiety70%
- Depression66%
- Ischemic heart disease56%
- Heart failure50%
Share of Medicare patients with each condition. A patient can have several.
William 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
- Women27%
- Men72%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
How William Orr Hahn takes part in Medicare
William 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)
William Orr Hahn graduated from University of Pittsburgh School of Medicine
William Hahn graduated from University of Pittsburgh School of Medicine in 1984.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for William Orr 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 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) |
| 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 Orr 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 William Orr Hahn's NPI number?
William Orr Hahn's NPI number is 1568426765. It was assigned on April 14, 2006, and it is active in the NPI Registry.
What does William Orr Hahn specialize in?
William Orr Hahn is a school psychologist in Pittsburgh, Pennsylvania. The primary specialty in the NPI Registry is School Psychologist (taxonomy code 103TS0200X).
Where does William Orr Hahn practice?
William Hahn practices at 320 Guys Run Road, Pittsburgh, PA 15238. William Hahn's primary practice is Encompass Health Rehabilitation Hospital of Harmarville in Pittsburgh, Pennsylvania, part of Encompass Health. Dmand AI also links William Hahn to 1 physician office.
What is William Orr Hahn's office phone number?
The practice phone on file for William Hahn is (412) 828-1300.
What is William Orr Hahn's medical license number?
William Hahn holds Pennsylvania license PS003428L.
Which hospitals is William Orr Hahn affiliated with?
William Hahn practices at Encompass Health Rehabilitation Hospital of Harmarville in Pittsburgh, Pennsylvania.
Does William Orr Hahn accept Medicare?
Yes. CMS lists William Hahn as accepting Medicare assignment.
How many Medicare patients does William Orr Hahn see?
CMS counts 148 Medicare patients who saw William Hahn in 2024, with an average age of 74.
Where did William Orr Hahn go to medical school?
William Hahn graduated from University of Pittsburgh School of Medicine in 1984.
How long has William Orr Hahn been practicing?
William Hahn graduated from medical school in 1984, 42 years ago.
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