William James Schaefer Jr., PA

  • Rochester, NY
  • Physician assistant
NPI1245256742
Part D claims, 2024
886
Affiliated sites
2
Medical group
1
State licenses
2
Year NPI issued
2006
Practice address
259 Monroe Ave, Rochester, Rochester, NY 14607
Practice phone
Call (585) 545-7200
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Trillium Health - Rochester (Monroe Ave Rochester)

FQHC - Main Site · Rochester, New York

See all 3 affiliations

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William James Schaefer Jr. is a physician assistant in Rochester, New York

William Schaefer practices at Trillium Health - Rochester (Monroe Ave Rochester) in Rochester, New York.

William Schaefer's NPI, 1245256742, was assigned on July 15, 2006. William Schaefer holds New Hampshire license 1714.

NPI and contact details
NPI enumeration date
July 15, 2006
NPI status
Active
Practice phone
(585) 545-7200
Professional email
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Personal email
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Mobile number
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Sex
Male
Estimated age
47
Medical school graduation
2005

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data

William James Schaefer Jr. practices at Trillium Health - Rochester (Monroe Ave Rochester) in Rochester, New York

William Schaefer's primary practice is Trillium Health - Rochester (Monroe Ave Rochester), at 259 Monroe Ave, Rochester, Rochester, NY 14607 in Monroe County. The practice phone is (585) 545-7200.

  • Trillium Health - Rochester (Monroe Ave Rochester)
    259 Monroe Ave, Rochester, Rochester, NY 14607 · Monroe CountyPhone(585) 545-7200

Source: Dmand AI Affiliation Data

William James Schaefer Jr. is affiliated with 2 sites of care and 1 medical group

William Schaefer's primary practice is Trillium Health - Rochester (Monroe Ave Rochester) in Rochester, New York. The medical group on file is Trillium Health. Dmand AI also links William Schaefer to 1 more group practice or clinic, named with a free account. William Schaefer's employer is on file too: a community health center (fqhc).

See all 3 affiliations for William Schaefer

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at William James Schaefer Jr.'s practice

Dmand AI tracks the electronic health record (EHR) system at each site where William Schaefer practices, 2 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Trillium Health - Rochester (Monroe Ave Rochester)Available with a free account
+1 more affiliated siteAvailable with a free account

Source: Dmand AI Technology Install Data

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William James Schaefer Jr. is one of 11,456 physician assistants in New York

Physician assistant is William Schaefer's primary specialty in the NPI Registry, under taxonomy code 363A00000X. Dmand AI has William Schaefer's licenses on file in 2 states: New Hampshire and Maryland.

Specialties and state licenses

  • Physician assistant, New HampshirePrimaryLicense 1714 · taxonomy 363A00000X
  • Maryland licenseLicense C0003179

Physician assistants near William Schaefer

Counts of physician assistants 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 James Schaefer Jr.'s patients have a median age of 31

Across all payers, Dmand AI patient panel data puts William Schaefer's median patient age at 31, with 44% women.

William Schaefer's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 31

Patient panel by sex, all payers

  • Women44%
  • Men45%

Source: Dmand AI Patient Panel Data

William James Schaefer Jr. wrote 886 Medicare Part D claims in 2024

In 2024, William Schaefer wrote 886 Medicare Part D claims for 170 patients. 87% of them were for generic drugs.

Part D claims, 2024886
Part D patients170

William Schaefer's Part D claims by kind of drug, 2024

  • Generic767 claims87%
  • Brand-name and other119 claims13%

Drug classes CMS tracks in William Schaefer's Part D claims, 2024

  • Opioids3%24 of 886 claims

Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.

Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data

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Sources for William James Schaefer Jr.'s profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDmand AI Org Hierarchy Data
Medicare patients and the all-payer patient panelDmand AI Patient Panel Data
Part D prescribingMedicare Part D Prescribers - by Provider (CMS) (opens in a new tab)
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about William James Schaefer Jr.

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 James Schaefer Jr.'s NPI number?

William James Schaefer Jr.'s NPI number is 1245256742. It was assigned on July 15, 2006, and it is active in the NPI Registry.

What does William James Schaefer Jr. specialize in?

William James Schaefer Jr. is a physician assistant in Rochester, New York. The primary specialty in the NPI Registry is Physician Assistant (taxonomy code 363A00000X).

Where does William James Schaefer Jr. practice?

William Schaefer practices at 259 Monroe Ave, Rochester, Rochester, NY 14607. William Schaefer's primary practice is Trillium Health - Rochester (Monroe Ave Rochester) in Rochester, New York. Dmand AI also links William Schaefer to 1 group practice or clinic.

What is William James Schaefer Jr.'s office phone number?

The practice phone on file for William Schaefer is (585) 545-7200.

What is William James Schaefer Jr.'s medical license number?

William Schaefer holds New Hampshire license 1714, one of the licenses on file in 2 states.

Which states has William James Schaefer Jr. been licensed in?

Dmand AI has state licenses on file for William Schaefer in New Hampshire and Maryland.

What medical group is William James Schaefer Jr. part of?

William Schaefer is linked to Trillium Health.

How long has William James Schaefer Jr. been practicing?

William Schaefer graduated from medical school in 2005, 21 years ago.

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