Peter Caldwell
Internal Medicine Physician · Washington, DC
Peter Caldwell is an internal medicine physician with a practice address in Washington, District of Columbia, and NPI 1982022919, issued on Apr 7, 2014. Check the license on the District of Columbia Board of Medicine; the Medicare figures below come from public CMS files.
- Name
- Peter Caldwell
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 304877 LA
Self-reported in NPPES; status is on the state search - Practice location
- 900 23RD St NW, Washington, DC 20037
- Phone
- (202) 715-5109
- Enumerated
- Apr 7, 2014
- Record last updated
- Apr 14, 2025
- Fax
- (202) 715-4871
- Medicare enrollment
- Enrolled (PECOS I20251021004941); accepts Medicare assignment
- Medical or professional school
- University Of Maryland School Of Medicine, 2014
- Entity
- Type 1 · individual
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Verify Peter Caldwell in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersDistrict of Columbia Board of MedicineCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bills Medicare through 2 group practices
- Luminis Health Medical Group, LLCAnnapolis, MD
- Medical Faculty Associates, IncWashington, DC
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Peter Caldwell among 901 internal medicine physician records in District of Columbia
Peter Caldwell 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 2014, is newer than 70% of them.
- NPI issued2014 · 70% of these records are older, 27% newer
- In a Medicare fileYes · 73% of these records are
- In the CMS Doctors and Clinicians fileYes · 57% of these records are
- Graduated2014 · median 2008 among the 513 with a school on file
- Record last updated2025 · 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 →
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- Ryan Bosch, MDWashington, DC 200371861451866
- Samia Burton, MDWashington, DC 200371578540662
- Letitia Carlson, MDWashington, DC 200371528021789
- Jehan El-Bayoumi, MDWashington, DC 200371588623409
Common questions
What is Peter Caldwell's NPI number?
Peter Caldwell's National Provider Identifier (NPI) is 1982022919, issued on Apr 7, 2014. An NPI identifies a provider in billing; it is not a license.
Where is Peter Caldwell located?
The NPPES record lists a practice address at 900 23RD St NW, Washington, DC, 20037. Phone: (202) 715-5109. Providers update this record themselves, so call before visiting.
How can I verify Peter Caldwell's license?
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.
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.