Davis Whitney Clark, DO
Emergency Medicine Physician · West Chester, PA
Davis Whitney Clark, DO is an emergency medicine physician with a practice address in West Chester, Pennsylvania, and NPI 1992741318, issued on Jun 22, 2006. Check the license on the Pennsylvania Department of State (PALS); the Medicare figures below come from public CMS files.
- Name
- Davis Whitney Clark
- Credential
- DO
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- 237051 NY
Self-reported in NPPES; status is on the state search - Practice location
- 701 E Marshall St, West Chester, PA 19380
- Phone
- (610) 431-5150
- Enumerated
- Jun 22, 2006
- Record last updated
- Sep 7, 2011 (not updated in 15 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20090618000270); accepts Medicare assignment
- Medical or professional school
- Philadelphia College Of Osteopathic Medicine, 2003
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 3,911 in Pennsylvania → Look up another NPI →
Also registered at 701 E Marshall St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Douglas Ader, DO, PA-CEmergency Medicine Physician1235486838
- Katherine Ansel, PA-CPhysician Assistant1417847062
- Nicholas Archer, PA-CSurgical Physician Assistant1114171774
- Thierry Arnoult, ACNPAcute Care Nurse Practitioner1114383403
- Chloe AustinCase Management Registered Nurse1508713660
- Muhammet Ayanoglu, MDPediatrics Physician1699295428
Verify Davis Whitney Clark in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersPennsylvania Department of State (PALS)Check the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
45% fewer Medicare Part D claims than the average emergency medicine physician in 2024
125 Medicare Part D claims for 99 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. 26 claims were for opioids.
Most prescribed
- Oxycodone-Acetaminophen12 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Bills Medicare through one group practice
- Emergency Care Specialists PCWest Chester, PA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Davis Whitney Clark among 3,911 emergency medicine physician records in Pennsylvania
Davis Whitney Clark, DO is one of 3,911 emergency medicine physician records with a practice address in Pennsylvania. 82% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 5% of them.
- NPI issued2006 · 5% of these records are older, 69% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileYes · 57% of these records are
- Graduated2003 · median 2013 among the 2,231 with a school on file
- Record last updated2011 · 51% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a Pennsylvania practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Emergency Medicine Physician providers in Pennsylvania
There are 3,911 emergency medicine physician records in Pennsylvania.
All 3,911 in Pennsylvania → Every provider in West Chester → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Douglas Ader, DO, PA-CWest Chester, PA 193801235486838
- Tamara Donatelli, D.O.West Chester, PA 193801518278753
- Ricardo Gelman, MDWest Chester, PA 193801417963638
- Diana Kane, MDWest Chester, PA 193801679580955
- Catherine Lubwama, MDWest Chester, PA 193801518070754
- Matthew McMullan, M.D.West Chester, PA 193801356705792
- Michael Mihalakis, MDWest Chester, PA 193801740250554
- Justin Roe, M.D.West Chester, PA 193801538393079
Common questions
What is Davis Whitney Clark, DO's NPI number?
Davis Whitney Clark, DO's National Provider Identifier (NPI) is 1992741318, issued on Jun 22, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Davis Whitney Clark, DO located?
The NPPES record lists a practice address at 701 E Marshall St, West Chester, PA, 19380. Phone: (610) 431-5150. Providers update this record themselves, so call before visiting.
How can I verify Davis Whitney Clark, DO's license?
Search the Pennsylvania Department of State (PALS) at https://www.pals.pa.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Davis Whitney Clark, DO prescribe under Medicare Part D?
In 2024, Davis Whitney Clark, DO had 125 Medicare Part D claims for 99 beneficiaries; the average among emergency medicine physician prescribers was 226. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.