Dr. William Fredrick Foos Jr., MD

  • Washington, DC
  • Ophthalmologist
NPI1821627688PAC ID6901309996
Part D claims, 2024
269
Hospital affiliations
1
Industry payments
$17
Medical group
1
State license
1
Practice address
50 Irving Street N.W., Washington, DC 20422
Practice phone
Call (202) 745-8000
Professional email
Get professional email
Personal email
Get personal email
Mobile number
Get mobile number
Social profiles

Primary practice

Washington DC VA Medical Center

Hospital · Washington, District of Columbia

See all 3 affiliations

Find Dr. Foos' 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.

View contacts for free

Dr. William Fredrick Foos Jr. is an ophthalmologist in Washington, District of Columbia

Dr. Foos practices at Washington DC VA Medical Center in Washington, District of Columbia, part of Veterans Health Administration.

Dr. Foos' NPI, 1821627688, was assigned on April 3, 2020. Dr. Foos graduated from Drexel University College of Medicine in 2020. Dr. Foos holds Pennsylvania license MD484625.

NPI and contact details
Medicare PAC ID
6901309996
NPI enumeration date
April 3, 2020
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(202) 745-8000
Professional email
Get email
Personal email
Get email
Mobile number
Get number
Sex
Male
Estimated age
32
Medical school graduation
2020

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Dr. William Fredrick Foos Jr. practices at Washington DC VA Medical Center in Washington, District of Columbia

Dr. Foos' primary practice is Washington DC VA Medical Center, at 50 Irving Street N.W., Washington, DC 20422 in The District County. The practice phone is (202) 745-8000.

Source: Dmand AI Affiliation Data

Dr. William Fredrick Foos Jr. is affiliated with 2 sites of care and 1 medical group

Dr. Foos' primary practice is Washington DC VA Medical Center in Washington, District of Columbia, part of Veterans Health Administration. Dmand AI also links Dr. Foos to 1 group practice or clinic and 1 medical group, each named with a free account.

See all 3 affiliations for Dr. Foos

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

Dmand AI tracks the EHR system at Dr. William Fredrick Foos Jr.'s practice

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

EHR by site
SiteEHR vendor and product
Washington DC VA Medical CenterAvailable with a free account
+1 more site and 1 medical groupAvailable with a free account

Source: Dmand AI Technology Install Data

For health IT teams

See the EHR and IT leaders at every hospital where Dr. Foos practices

Dmand AI maps EHR vendors, IT decision makers and buying committees across Veterans Health Administration and 6.2K+ hospitals, with verified contacts in the same login.

Dr. William Fredrick Foos Jr. is one of 87 ophthalmologists in District of Columbia

Ophthalmology is Dr. Foos' primary specialty in the NPI Registry, under taxonomy code 207W00000X. Dr. Foos is licensed in Pennsylvania.

Specialties and state licenses

  • Ophthalmology, PennsylvaniaPrimaryLicense MD484625 · taxonomy 207W00000X

Ophthalmologists near Dr. Foos

Counts of ophthalmologists 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 Fredrick Foos Jr.'s patients have a median age of 8

Across all payers, Dmand AI patient panel data puts Dr. Foos' median patient age at 8, with 50% women.

Dr. Foos' patients across all payers

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

Patient panel by age, all payers

Median age 8

Patient panel by sex, all payers

  • Women50%
  • Men51%

Source: Dmand AI Patient Panel Data

Dr. William Fredrick Foos Jr. wrote 269 Medicare Part D claims in 2024

In 2024, Dr. Foos wrote 269 Medicare Part D claims for 103 patients. 69% of them were for generic drugs. CMS names the drug for 182 of them, across 5 drugs with 11 or more claims each, at $6,564 in total drug cost. In 2023, CMS named 310 claims across 11 drugs.

Part D claims, 2024269
Drugs named by CMS5
Total drug cost$6,564
Part D patients103

Dr. Foos' Part D claims by kind of drug, 2024

  • Generic185 claims69%
  • Brand-name84 claims31%

Dr. Foos' 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.

Part D claims for drugs CMS names, 2023 to 2024

  • 2023
  • 2024
Claims for drugs CMS names
2023: 3102024: 18241%

Drugs named by CMS: 5 in 2024, 11 in 2023.

See all prescribing by Dr. Foos

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

How Dr. William Fredrick Foos Jr. takes part in Medicare

Dr. Foos accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

Accepts Medicare assignment
Yes

Cataract surgery: 1 to 10 procedures (CMS shows small counts as a range)

Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)

For MedTech and pharma teams

Find ophthalmologists like Dr. Foos by procedure volume and prescribing

Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.

Dr. William Fredrick Foos Jr. received $17 in industry payments in 2024

CMS Open Payments shows 1 general payment to Dr. Foos from 1 drug or device company in 2024. Food and beverage make up the largest share, 100% of the total. Sight Sciences, Inc. paid the most, $17.

Companies that paid Dr. Foos the most, 2024 to 2024

Share is of all general payments to this clinician.

See all payments to Dr. Foos

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Dr. William Fredrick Foos Jr. graduated from Drexel University College of Medicine

Dr. Foos graduated from Drexel University College of Medicine in 2020.

  1. Medical schoolDrexel University College of Medicine

Source: Dmand AI Professional Profile Data

Sources for Dr. William Fredrick Foos 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 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 percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Training, board certification and membershipsDmand AI Professional Profile Data
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 Dr. William Fredrick Foos 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 Dr. William Fredrick Foos Jr.'s NPI number?

Dr. William Fredrick Foos Jr.'s NPI number is 1821627688. It was assigned on April 3, 2020, and it is active in the NPI Registry.

What kind of doctor is Dr. William Fredrick Foos Jr.?

Dr. William Fredrick Foos Jr. is an ophthalmologist in Washington, District of Columbia. The primary specialty in the NPI Registry is Ophthalmology Physician (taxonomy code 207W00000X).

Where does Dr. William Fredrick Foos Jr. practice?

Dr. Foos practices at 50 Irving Street N.W., Washington, DC 20422. Dr. Foos' primary practice is Washington DC VA Medical Center in Washington, District of Columbia, part of Veterans Health Administration. Dmand AI also links Dr. Foos to 1 group practice or clinic and 1 medical group.

What is Dr. William Fredrick Foos Jr.'s office phone number?

The practice phone on file for Dr. Foos is (202) 745-8000.

What is Dr. William Fredrick Foos Jr.'s medical license number?

Dr. Foos holds Pennsylvania license MD484625.

Which hospitals is Dr. William Fredrick Foos Jr. affiliated with?

Dr. Foos practices at Washington DC VA Medical Center in Washington, District of Columbia.

Does Dr. William Fredrick Foos Jr. accept Medicare?

Yes. CMS lists Dr. Foos as accepting Medicare assignment.

Where did Dr. William Fredrick Foos Jr. go to medical school?

Dr. Foos graduated from Drexel University College of Medicine in 2020.

What drugs does Dr. William Fredrick Foos Jr. prescribe most?

In 2024 Medicare Part D data, Dr. Foos' most prescribed drugs by claims were Latanoprost, Dorzolamide-Timolol and Timolol Maleate.

Has Dr. William Fredrick Foos Jr. received payments from drug or device companies?

CMS Open Payments shows $17 in general payments to Dr. Foos from 1 company from 2024 to 2024. The largest total came from Sight Sciences, Inc.

How long has Dr. William Fredrick Foos Jr. been practicing?

Dr. Foos graduated from medical school in 2020, 6 years ago.

Selling to ophthalmology practices?

See ophthalmologists in District of Columbia by site of care and group

Find the practices, groups and hospitals they work with, and the right people to contact at each.

  • 30 days free
  • Self-serve
  • No credit card

Cookie settings

Turn each category on or off. Your choice is kept for 12 months and you can change it here at any time.

Necessary

Always on. Sign-in, security, downloads you asked for, your cookie choice, and the page that led to a signup.

View cookies (6)
  • dm_consentDmand AI. Your cookie choices and whether your browser sent a Global Privacy Control signal. 12 months.
  • dm_ft, dm_ltDmand AI. The first and the latest page you arrived on, with the date, so a signup is credited to the page that worked. 90 days, 30 days.
  • dm_fs, dm_lsDmand AI. The first and the latest source of a visit (a search engine, a campaign or the site that linked here). 90 days, 30 days.
  • dm_dl, dm_dl_okDmand AI. After you give an email address for a download, lets you download files without being asked again. 30 days.
  • Session and CSRF cookiesDmand AI (app.dmand.ai). Sign-in and form protection in the application. Session.
  • __cf_bm, cf_clearanceCloudflare. Tells people from automated traffic and keeps the site available. 30 minutes; cf_clearance while a security check is valid.

Analytics

On unless you turn it off. How pages are used, in aggregate, and recordings of how pages are used.

View cookies (6)
  • Google Tag ManagerGoogle. Loads the analytics and marketing tags that are on. Sets no cookie of its own and does not load when both categories are off. n/a.
  • _ga, _ga_<container-id>Google Analytics 4. Visits and page views in aggregate on dmand.ai. 2 years.
  • _clck, _clskMicrosoft Clarity. Recordings and heatmaps of how pages are used, with form fields masked. 1 year, 1 day.
  • CLID, MUID, ANONCHK, MR, SMMicrosoft (clarity.ms). Set by Microsoft when Clarity loads, to recognize a browser across sites that use Clarity. Up to 1 year.
  • None (cookieless)Ahrefs Analytics. Page views in aggregate. n/a.
  • ph_<project>_posthogPostHog. Product usage, errors and performance in app.dmand.ai, used to fix bugs and improve features. 365 days.

Marketing

On unless you turn it off, and always off when your browser sends a Global Privacy Control signal. A visitor identification service tells our sales team which companies and people visit.

View cookies (6)
  • _reb2buid, _reb2butkRB2B. Recognizes a returning browser for visitor identification. 360 days, 1 year.
  • _reb2bgeoRB2B. The location used to decide whether a visit can be identified. 20 days.
  • _reb2brefRB2B. The page or site that referred the visit. 15 days.
  • _reb2bfxf, _reb2btd, _reb2bliRB2B. Links the visit to an identified business profile. 1 month.
  • _reb2bresolveRB2B. Holds a match while it is being resolved. 2 days.
  • _reb2sessionID, _reb2bloadedRB2B. The current visit, and a guard against loading the script twice. 30 minutes, 1 second.

Functional

On unless you turn it off. Remembers choices such as a collapsed section.

View cookies (none today)