Caleb C. Chan, M.D.
Critical Care Medicine (Internal Medicine) Physician · Baltimore, MD
Caleb C. Chan, M.D. is a critical care medicine (internal medicine) physician with a practice address in Baltimore, Maryland, and NPI 1750776381, issued on Mar 31, 2015. Check the license (Maryland D91349, as entered in NPPES) on the Maryland Board of Physicians; the Medicare figures below come from public CMS files.
- Name
- Caleb C. Chan
- Credential
- M.D.
- Primary taxonomy
- Critical Care Medicine (Internal Medicine) Physician 207RC0200X
- License number
- D91349 MD
Self-reported in NPPES; status is on the state search - Practice location
- 22 S Greene St, Baltimore, MD 21201
- Phone
- (410) 328-8141
- Enumerated
- Mar 31, 2015
- Record last updated
- Sep 3, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (410) 328-0177
- Medicare enrollment
- Enrolled (PECOS I20210910000252); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest critical care medicine (internal medicine) physician records → All 212 in Maryland → Look up another NPI →
Also registered at 22 S Greene St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Elsadig Abdalla, MDStudent in an Organized Health Care Education/Training Program1073364477
- Ehssan AbdolalizadehStudent in an Organized Health Care Education/Training Program1093653271
- Mohammad Abdulelah, MDStudent in an Organized Health Care Education/Training Program1114650108
- Leenah AbdulgaderStudent in an Organized Health Care Education/Training Program1386323301
- Ifedayo Abiola-Matthew, CRNPAcute Care Nurse Practitioner1033781117
Verify Caleb C. Chan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMaryland Board of Physicians
Search for license D91349Check 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 one group practice
- University OF Maryland Physicians PABaltimore, MD
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Caleb C. Chan among 212 critical care medicine (internal medicine) physician records in Maryland
Caleb C. Chan, M.D. is one of 212 critical care medicine (internal medicine) physician records with a practice address in Maryland. 86% 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 75% of them.
- NPI issued2015 · 75% of these records are older, 19% newer
- In a Medicare fileYes · 86% of these records are
- In the CMS Doctors and Clinicians fileYes · 79% of these records are
- Graduated2015 · median 2005 among the 168 with a school on file
- Record last updated2021 · 58% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RC0200X and a Maryland practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Critical Care Medicine (Internal Medicine) Physician providers in Maryland
There are 212 critical care medicine (internal medicine) physician records in Maryland.
All 212 in Maryland → Every provider in Baltimore → Critical Care Medicine (Internal Medicine) Physician nationwide →
The 8 critical care medicine (internal medicine) physician records with the nearest ZIP codes
- Marjan Bahador, MDBaltimore, MD 212011760605422
- Edward Britt, M.D.Baltimore, MD 212011912955469
- Renee Dixon, M.D.Baltimore, MD 212011174748743
- Jonathan Gottlieb, MDBaltimore, MD 212011821132119
- Nader Habashi, M.D.Baltimore, MD 212011164467957
- Jeffrey Hasday, M.D.Baltimore, MD 212011720034580
- Emmanuel Kyereme-Tuah, M.D.Baltimore, MD 212011295748580
- Paul McCarthy, MDBaltimore, MD 212011275576134
Common questions
What is Caleb C. Chan, M.D.'s NPI number?
Caleb C. Chan, M.D.'s National Provider Identifier (NPI) is 1750776381, issued on Mar 31, 2015. An NPI identifies a provider in billing; it is not a license.
Where is Caleb C. Chan, M.D. located?
The NPPES record lists a practice address at 22 S Greene St, Baltimore, MD, 21201. Phone: (410) 328-8141. Providers update this record themselves, so call before visiting.
How can I verify Caleb C. Chan, M.D.'s license?
NPPES lists Maryland license number D91349, as entered by the provider. Search the Maryland Board of Physicians at https://www.mbp.state.md.us/. 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.