Christopher C. Yi
Internal Medicine Physician · Towson, MD
Christopher C. Yi is an internal medicine physician with a practice address in Towson, Maryland, and NPI 1164006243, issued on May 5, 2021. Check the license (Maryland D0106257, as entered in NPPES) on the Maryland Board of Physicians; the Medicare figures below come from public CMS files.
- Name
- Christopher C. Yi
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- D0106257 MD
Self-reported in NPPES; status is on the state search - Practice location
- 6701 N Charles St, Towson, MD 21204
- Phone
- (443) 849-2000
- Enumerated
- May 5, 2021
- Record last updated
- Jun 10, 2026
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 3,904 in Maryland → Look up another NPI →
Also registered at 6701 N Charles St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Christopher C. Yi in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMaryland Board of Physicians
Search for license D0106257Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
91% fewer Medicare Part D claims than the average internal medicine physician in 2024
271 Medicare Part D claims for 69 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.
Most prescribed
- Atorvastatin Calcium22 claims
- Amlodipine Besylate15 claims
- Lisinopril14 claims
- Eliquis13 claims
- Rosuvastatin Calcium13 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.
Christopher C. Yi among 3,904 internal medicine physician records in Maryland
Christopher C. Yi is one of 3,904 internal medicine physician records with a practice address in Maryland. 77% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2021, is newer than 92% of them.
- NPI issued2021 · 92% of these records are older, 5% newer
- In a Medicare fileYes · 77% of these records are
- In the CMS Doctors and Clinicians fileNo · 63% of these records are
- Record last updated2026 · 59% 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 Maryland practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
121 internal medicine physician records list a practice address in Towson
They are 121 of the 3,721 NPPES records with a practice address in Towson, and 3,904 internal medicine physician records in Maryland.
All 3,904 in Maryland → Every provider in Towson → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- David Boersma, M.D.Towson, MD 212041235117219
- Jeffrey Briggs, M.D.Baltimore, MD 212041063491371
- Pauline Daley Richards, M.D.Baltimore, MD 212041174504864
- Iris Davis, MDBaltimore, MD 212041588654297
- Vincent Dipietro, M.D.Towson, MD 212041619948791
- Donna Dow, M.D.Towson, MD 212041821096355
- Pochna Kahle, M.D.Towson, MD 212041417949298
- Amit Khosla, M.D.Towson, MD 212041225035165
Common questions
What is Christopher C. Yi's NPI number?
Christopher C. Yi's National Provider Identifier (NPI) is 1164006243, issued on May 5, 2021. An NPI identifies a provider in billing; it is not a license.
Where is Christopher C. Yi located?
The NPPES record lists a practice address at 6701 N Charles St, Towson, MD, 21204. Phone: (443) 849-2000. Providers update this record themselves, so call before visiting.
How can I verify Christopher C. Yi's license?
NPPES lists Maryland license number D0106257, 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.
How much does Christopher C. Yi prescribe under Medicare Part D?
In 2024, Christopher C. Yi had 271 Medicare Part D claims for 69 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.