Christopher John Westley, MD
Internal Medicine Physician · Washington, DC
Christopher John Westley, MD is an internal medicine physician with a practice address in Washington, District of Columbia, and NPI 1215321146, issued on Mar 28, 2015. Check the license (District of Columbia MD045923, as entered in NPPES) on the District of Columbia Board of Medicine; the Medicare figures below come from public CMS files.
- Name
- Christopher John Westley
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License numbers
- MD045923 DC
324735 LA
Self-reported in NPPES; status is on the state search - Practice location
- 2021 K St NW Ste 404, Washington, DC 20006
- Phone
- (202) 466-8118
- Enumerated
- Mar 28, 2015
- Record last updated
- Jan 25, 2024
- Fax
- (866) 765-5937
- Medicaid ID
- 2392123 LA
- Medicare enrollment
- Enrolled (PECOS I20230214002262); may accept Medicare assignment
- Medical or professional school
- George Washington University School Of Medicine, 2015
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 901 in District of Columbia → Look up another NPI →
Verify Christopher John Westley in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersDistrict of Columbia Board of Medicine
Search for license MD045923Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
72% fewer Medicare Part D claims than the average internal medicine physician in 2024
889 Medicare Part D claims for 218 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. 38 claims were for opioids.
Most prescribed
- Atorvastatin Calcium43 claims
- Zolpidem Tartrate34 claims
- Azithromycin28 claims
- Amoxicillin-Clavulanate Potass25 claims
- Rosuvastatin Calcium23 claims
- Levothyroxine Sodium22 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.
Industry payments in 2024: $43.91
2 payments; by number, the most common kind was food and beverage; the largest payer was Watermark Medical, Inc. The 50,334 providers of this specialty with any payment received $1,303.06 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through 2 group practices
- Internal Medicine Colleagues PLLCWashington, DC
- Suburban/nrh Medical Rehabilitation IncBethesda, MD
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Christopher John Westley among 901 internal medicine physician records in District of Columbia
Christopher John Westley, MD is one of 901 internal medicine physician records with a practice address in District of Columbia. 73% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2015, is newer than 73% of them.
- NPI issued2015 · 73% of these records are older, 23% newer
- In a Medicare fileYes · 73% of these records are
- In the CMS Doctors and Clinicians fileYes · 57% of these records are
- Graduated2015 · median 2008 among the 513 with a school on file
- Record last updated2024 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a District of Columbia practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
891 internal medicine physician records list a practice address in Washington
They are 891 of the 45,857 NPPES records with a practice address in Washington, and 901 internal medicine physician records in District of Columbia.
All 901 in District of Columbia → Every provider in Washington → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Lynn Amowitz, M.D.Washington, DC 200061225050842
- Andrea Flory, M.D.Washington, DC 200061851470090
- Kimberly Gaytan, PA CWashington, DC 200061427127570
- Thomas Hansson, M.D.Washington, DC 200061962414037
- Beth Horowitz, MDWashington, DC 200061134214950
- Asha Isable, MDWashington, DC 200061750363826
- Gary Koritzinsky, M.D.Washington, DC 200061366472128
- Michael Newman, MDWashington, DC 200061508932377
Common questions
What is Christopher John Westley, MD's NPI number?
Christopher John Westley, MD's National Provider Identifier (NPI) is 1215321146, issued on Mar 28, 2015. An NPI identifies a provider in billing; it is not a license.
Where is Christopher John Westley, MD located?
The NPPES record lists a practice address at 2021 K St NW Ste 404, Washington, DC, 20006. Phone: (202) 466-8118. Providers update this record themselves, so call before visiting.
How can I verify Christopher John Westley, MD's license?
NPPES lists District of Columbia license number MD045923, as entered by the provider. Search the District of Columbia Board of Medicine at https://dchealth.dc.gov/bomed. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Christopher John Westley, MD prescribe under Medicare Part D?
In 2024, Christopher John Westley, MD had 889 Medicare Part D claims for 218 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.