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William Freiberg
NPI1154579100PAC ID8325281553
- Medicare services, 2024
- 266
- Medicare patients, 2024
- 216
- Part D claims, 2024
- 13
- Publications
- 2
- Hospital affiliations
- 4
- Practice address
- 320 East North Avenue, Pittsburgh, PA 15212
- Practice phone
- Call (412) 359-3131
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find William Freiberg'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 Freiberg is a neurologist in Pittsburgh, Pennsylvania
William Freiberg practices at Allegheny General Hospital in Pittsburgh, Pennsylvania, part of Highmark Health.
William Freiberg's NPI, 1154579100, was assigned on September 3, 2008. William Freiberg graduated from Philadelphia College of Osteopathic Medicine in 2008. William Freiberg holds Pennsylvania license OS016154.
NPI and contact details
- NPI
- 1154579100NPI Registry (opens in a new tab)
- Medicare PAC ID
- 8325281553
- NPI enumeration date
- September 3, 2008
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (412) 359-3131
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 44
- Medical school graduation
- 2008
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
William Freiberg practices at Allegheny General Hospital in Pittsburgh, Pennsylvania
William Freiberg's primary practice is Allegheny General Hospital, at 320 East North Avenue, Pittsburgh, PA 15212 in Allegheny County. The practice phone is (412) 359-3131.
- Allegheny General Hospital320 East North Avenue, Pittsburgh, PA 15212 · Allegheny CountyPhone(412) 359-3131
Source: Dmand AI Affiliation Data
William Freiberg is affiliated with 6 sites of care and 3 medical groups
William Freiberg's primary practice is Allegheny General Hospital in Pittsburgh, Pennsylvania, part of Highmark Health. William Freiberg is also affiliated with West Penn Hospital. The medical group on file is AHN Primary Care - Family Med Associates at H+W Pavilion Bethel Park. Dmand AI also links William Freiberg to 2 more hospitals, 2 medical groups, 1 breast imaging center and 1 group practice or clinic, each named with a free account.
West Penn HospitalAHN Primary Care - Family Med Associates at H+W Pavilion Bethel Park2 hospitalsNames with a free account2 medical groupsNames with a free account1 breast imaging centerName with a free account1 group practice or clinicName with a free account
See all 9 affiliations for William FreibergSources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at William Freiberg's practice
Dmand AI tracks the electronic health record (EHR) system at each site where William Freiberg practices, 6 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Allegheny General Hospital | Available with a free account |
| +5 more sites and 2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
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William Freiberg is one of 910 neurologists in Pennsylvania
Neurology is William Freiberg's primary specialty in the NPI Registry, under taxonomy code 2084N0400X. William Freiberg is licensed in Pennsylvania.
Specialties and state licenses
- Neurology, PennsylvaniaPrimary
Neurologists near William Freiberg
Counts of neurologists with a Dmand AI profile, by place and practice. Each opens the list.
910neurologists in Pennsylvania115neurologists in Pittsburgh13neurologists at Allegheny General Hospital
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
William Freiberg billed Medicare for 266 services in 2024
CMS data shows 266 Medicare services from William Freiberg across 6 procedure codes in 2024, for 216 Medicare patients. Medicare paid $26,827 for them. Every service was in a facility, such as a hospital, rather than an office.
Medicare services, 2024266
Medicare patients216
Paid by Medicare$26,827
Procedure codes6
William Freiberg's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 1292024: 19450%
- Tests and treatments
- 2023: 722024: 72No change
William Freiberg compared with the Pennsylvania median for neurologists, 2024
- William Freiberg
- Pennsylvania median
- Medicare services
- 266vs 31014% below
- Medicare patients
- 216vs 19312% above
Medians across 876 neurologists in Pennsylvania with Dmand AI profiles that report each measure.
William Freiberg's 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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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
William Freiberg treated 216 Medicare patients in 2024, average age 73
CMS counts 216 Medicare patients who saw William Freiberg in 2024. The largest group is 65 to 74, with 98 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 14% are also on Medicaid. Their average risk score is 2.02, 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 Freiberg's median patient age at 69, with 54% women.
Medicare patients, 2024216
Average age73
Average risk score2.02
Also on Medicaid14%
William Freiberg's Medicare patients by age, 2024
William Freiberg's Medicare patients by sex, 2024
- Women11553%
- Men10147%
Chronic conditions among William Freiberg's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Stroke or TIA65%
- Arthritis57%
- Anxiety45%
- Mood disorders45%
- Depression44%
- Diabetes39%
Share of Medicare patients with each condition. A patient can have several.
William Freiberg'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
- Women54%
- Men46%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
William Freiberg wrote 13 Medicare Part D claims in 2024
In 2024, William Freiberg wrote 13 Medicare Part D claims. 92% of them were for generic drugs.
Part D claims, 202413
William Freiberg's Part D claims by kind of drug, 2024
- Generic12 claims92%
- Brand-name and other1 claims8%
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
How William Freiberg takes part in Medicare
William Freiberg 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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William Freiberg has 2 publications on record
Dmand AI links 2 papers to William Freiberg, published from 2014 to 2020. William Freiberg's most frequent co-authors are Troy T. Desai, MD, Robyn T. Domsic and David Lacomis.
Papers2
Years published2014 to 2020
William Freiberg's most frequent co-authors
Recent publications by William Freiberg
See who William Freiberg researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who William Freiberg works with, so you can find a warm path to the right neurologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
William Freiberg received $923 in industry payments from 2016 to 2021
CMS Open Payments shows 9 general payments to William Freiberg from 8 drug and device companies from 2016 to 2021. Food and beverage make up the largest share, 100% of the total. Genentech, Inc. paid the most, $250.
General payments to William Freiberg by program year, 2016 to 2021
Companies that paid William Freiberg the most, 2016 to 2021
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
William Freiberg graduated from Philadelphia College of Osteopathic Medicine
William Freiberg graduated from Philadelphia College of Osteopathic Medicine in 2008.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for William Freiberg'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 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) |
| 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) |
| 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 Freiberg
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 Freiberg's NPI number?
William Freiberg's NPI number is 1154579100. It was assigned on September 3, 2008, and it is active in the NPI Registry.
What does William Freiberg specialize in?
William Freiberg is a neurologist in Pittsburgh, Pennsylvania. The primary specialty in the NPI Registry is Neurology Physician (taxonomy code 2084N0400X).
Where does William Freiberg practice?
William Freiberg practices at 320 East North Avenue, Pittsburgh, PA 15212. William Freiberg's primary practice is Allegheny General Hospital in Pittsburgh, Pennsylvania, part of Highmark Health. Dmand AI also links William Freiberg to 2 hospitals, 2 medical groups, 1 breast imaging center and 1 group practice or clinic.
What is William Freiberg's office phone number?
The practice phone on file for William Freiberg is (412) 359-3131.
What is William Freiberg's medical license number?
William Freiberg holds Pennsylvania license OS016154.
Which hospitals is William Freiberg affiliated with?
William Freiberg practices at Allegheny General Hospital in Pittsburgh, Pennsylvania. William Freiberg is also affiliated with West Penn Hospital. Dmand AI links William Freiberg to 2 more hospitals.
What medical group is William Freiberg part of?
William Freiberg is linked to AHN Primary Care - Family Med Associates at H+W Pavilion Bethel Park. Dmand AI links William Freiberg to 2 more medical groups.
Does William Freiberg accept Medicare?
Yes. CMS data shows William Freiberg billed Medicare for 266 services in 2024, and William Freiberg accepts Medicare assignment.
How many Medicare patients does William Freiberg see?
CMS counts 216 Medicare patients who saw William Freiberg in 2024, with an average age of 73.
What services does William Freiberg bill to Medicare?
In 2024, William Freiberg's most billed Medicare services were hospital inpatient care (99223), nerve and brain test (95816) and office visit, new patient (99205).
Show 5 more questionsShow fewer questions
Where did William Freiberg go to medical school?
William Freiberg graduated from Philadelphia College of Osteopathic Medicine in 2008.
Has William Freiberg received payments from drug or device companies?
CMS Open Payments shows $923 in general payments to William Freiberg from 8 companies from 2016 to 2021. The largest total came from Genentech, Inc.
How long has William Freiberg been practicing?
William Freiberg graduated from medical school in 2008, 18 years ago.
Does William Freiberg do research?
Dmand AI links 2 publications to William Freiberg, published from 2014 to 2020.
Who does William Freiberg publish with?
William Freiberg's most frequent co-authors are Troy T. Desai, MD (1 shared paper), Robyn T. Domsic (1 shared paper) and David Lacomis (1 shared paper).
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