Charles Key Cooper, MD
Infectious Disease Physician · Baltimore, MD
Charles Key Cooper, MD is an infectious disease physician with a practice address in Baltimore, Maryland, and NPI 1962631218, issued on Jul 8, 2009. Check the license (Maryland D0053185, as entered in NPPES) on the Maryland Board of Physicians; the Medicare figures below come from public CMS files.
- Name
- Charles Key Cooper
- Credential
- MD
- Primary taxonomy
- Infectious Disease Physician 207RI0200X
- License number
- D0053185 MD
Self-reported in NPPES; status is on the state search - Practice location
- 2401 W. Baltimore St, Baltimore, MD 21223
- Phone
- (410) 362-3331
- Enumerated
- Jul 8, 2009
- Record last updated
- Feb 16, 2023
- Medicaid ID
- 405028200 MD
- Medicare enrollment
- Enrolled (PECOS I20051220000513); accepts Medicare assignment
- Medical or professional school
- Georgetown University School Of Medicine, 1995
- Entity
- Type 1 · individual
8 nearest infectious disease physician records → All 410 in Maryland → Look up another NPI →
Verify Charles Key Cooper in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMaryland Board of Physicians
Search for license D0053185Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
63% fewer Medicare Part D claims than the average infectious disease physician in 2024
253 Medicare Part D claims for 17 beneficiaries, against an average of 689 among the 7,388 providers of this specialty who prescribed in Part D. Brand-name drugs were 56% of claims.
Most prescribed
- Biktarvy91 claims
- Atorvastatin Calcium43 claims
- Gabapentin16 claims
- Dovato12 claims
- Prezcobix12 claims
- Trogarzo12 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: $22.82
1 payment: food and beverage; the largest payer was Gilead Sciences, Inc. The 3,895 providers of this specialty with any payment received $4,362.19 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 one group practice
- Greater Baden Medical Service IncorporatedCapitol Heights, MD
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Charles Key Cooper among 410 infectious disease physician records in Maryland
Charles Key Cooper, MD is one of 410 infectious disease physician records with a practice address in Maryland. 59% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2009, is newer than 63% of them.
- NPI issued2009 · 63% of these records are older, 31% newer
- In a Medicare fileYes · 59% of these records are
- In the CMS Doctors and Clinicians fileYes · 49% of these records are
- Graduated1995 · median 2002 among the 202 with a school on file
- Record last updated2023 · 69% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RI0200X and a Maryland practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Infectious Disease Physician providers in Maryland
There are 410 infectious disease physician records in Maryland.
All 410 in Maryland → Every provider in Baltimore → Infectious Disease Physician nationwide →
The 8 infectious disease physician records with the nearest ZIP codes
- Khalil Ghanem, M.D.Baltimore, MD 212241932153392
- Morgan Katz, M.D.Baltimore, MD 212241942599964
- Maryam Keshtkar Jahromi, MDBaltimore, MD 212241558688200
- Mamuka Machaidze, MDBaltimore, MD 212241538573530
- Seema Nayak, MDBaltimore, MD 212241578608246
- Eric Nuermberger, M.D.Baltimore, MD 212241477593150
- Jeffrey Tornheim, M.D.Baltimore, MD 212241922323732
- Jennifer Townsend, M.D.Baltimore, MD 212241225270895
Common questions
What is Charles Key Cooper, MD's NPI number?
Charles Key Cooper, MD's National Provider Identifier (NPI) is 1962631218, issued on Jul 8, 2009. An NPI identifies a provider in billing; it is not a license.
Where is Charles Key Cooper, MD located?
The NPPES record lists a practice address at 2401 W. Baltimore St, Baltimore, MD, 21223. Phone: (410) 362-3331. Providers update this record themselves, so call before visiting.
How can I verify Charles Key Cooper, MD's license?
NPPES lists Maryland license number D0053185, 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 Charles Key Cooper, MD prescribe under Medicare Part D?
In 2024, Charles Key Cooper, MD had 253 Medicare Part D claims for 17 beneficiaries; the average among infectious disease physician prescribers was 689. 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.