William Richard Whalen, DNP

  • Washington, DC
  • Family nurse practitioner
NPI1285433961PAC ID8123539327
Hospital affiliations
1
Medical group
1
State licenses
2
Year NPI issued
2025
Practice address
5255 Loughboro Rd NW, Washington, DC 20016
Practice phone
Call (202) 537-4680
Professional email
Get professional email
Personal email
Get personal email
Mobile number
Get mobile number
Social profiles

Primary practice

Sibley Memorial Hospital

Hospital · Washington, District of Columbia

Find William Whalen'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.

View contacts for free

William Richard Whalen is a family nurse practitioner in Washington, District of Columbia

William Whalen practices at Sibley Memorial Hospital in Washington, District of Columbia, part of Johns Hopkins Health System.

William Whalen's NPI, 1285433961, was assigned on March 13, 2025. William Whalen holds District of Columbia license NP1039090.

NPI and contact details
Medicare PAC ID
8123539327
NPI enumeration date
March 13, 2025
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(202) 537-4680
Professional email
Get email
Personal email
Get email
Mobile number
Get number
Sex
Male
Estimated age
31
Medical school graduation
2021

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

William Richard Whalen practices at Sibley Memorial Hospital in Washington, District of Columbia

William Whalen's primary practice is Sibley Memorial Hospital, at 5255 Loughboro Rd NW, Washington, DC 20016 in The District County. The practice phone is (202) 537-4680.

Source: Dmand AI Affiliation Data

William Richard Whalen is affiliated with 1 site of care and 1 medical group

William Whalen's primary practice is Sibley Memorial Hospital in Washington, District of Columbia, part of Johns Hopkins Health System. The medical group on file is Johns Hopkins Community Physicians.

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

Dmand AI tracks the EHR system at William Richard Whalen's practice

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

EHR by site
SiteEHR vendor and product
Sibley Memorial HospitalAvailable with a free account

Source: Dmand AI Technology Install Data

For health IT teams

See the EHR and IT leaders at every hospital where William Whalen practices

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

William Richard Whalen is one of 407 family nurse practitioners in District of Columbia

Family is William Whalen's primary specialty in the NPI Registry, under taxonomy code 363LF0000X. Dmand AI has William Whalen's licenses on file in 2 states: District of Columbia and Maryland.

Specialties and state licenses

  • Family nurse practitioner, District of ColumbiaPrimaryLicense NP1039090 · taxonomy 363LF0000X
  • Maryland licenseLicense AC007318

Family nurse practitioners near William Whalen

Counts of family nurse practitioners 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 Richard Whalen's patients have a median age of 68

Across all payers, Dmand AI patient panel data puts William Whalen's median patient age at 68, with 25% women.

William Whalen's patients across all payers

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

Patient panel by age, all payers

Median age 68

Patient panel by sex, all payers

  • Women25%
  • Men67%

Source: Dmand AI Patient Panel Data

How William Richard Whalen takes part in Medicare

William Whalen 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)

Sources for William Richard Whalen'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
MIPS scores, telehealth, assignment and procedure percentilesDoctors and Clinicians National Downloadable File (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 Richard Whalen

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 Richard Whalen's NPI number?

William Richard Whalen's NPI number is 1285433961. It was assigned on March 13, 2025, and it is active in the NPI Registry.

What does William Richard Whalen specialize in?

William Richard Whalen is a family nurse practitioner in Washington, District of Columbia. The primary specialty in the NPI Registry is Family Nurse Practitioner (taxonomy code 363LF0000X).

Where does William Richard Whalen practice?

William Whalen practices at 5255 Loughboro Rd NW, Washington, DC 20016. William Whalen's primary practice is Sibley Memorial Hospital in Washington, District of Columbia, part of Johns Hopkins Health System.

What is William Richard Whalen's office phone number?

The practice phone on file for William Whalen is (202) 537-4680.

What is William Richard Whalen's medical license number?

William Whalen holds District of Columbia license NP1039090, one of the licenses on file in 2 states.

Which states has William Richard Whalen been licensed in?

Dmand AI has state licenses on file for William Whalen in District of Columbia and Maryland.

Which hospitals is William Richard Whalen affiliated with?

William Whalen practices at Sibley Memorial Hospital in Washington, District of Columbia.

What medical group is William Richard Whalen part of?

William Whalen is linked to Johns Hopkins Community Physicians.

Does William Richard Whalen accept Medicare?

Yes. CMS lists William Whalen as accepting Medicare assignment.

How long has William Richard Whalen been practicing?

William Whalen graduated from medical school in 2021, 5 years ago.

Selling to family practices?

See family nurse practitioners 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)