Karen Keller Baker, MD
Emergency Medicine Physician · Cheverly, MD
Karen Keller Baker, MD is an emergency medicine physician with a practice address in Cheverly, Maryland, and NPI 1457641433, issued on Apr 12, 2011. Check the license (Maryland D77553, as entered in NPPES) on the Maryland Board of Physicians; the Medicare figures below come from public CMS files.
- Name
- Karen Keller Baker
- Credential
- MD
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License numbers
- D77553 MD
A122375 CA
Self-reported in NPPES; status is on the state search - Practice location
- 3001 Hospital Dr, Cheverly, MD 20785
- Phone
- (301) 618-2000
- Enumerated
- Apr 12, 2011
- Record last updated
- Mar 17, 2015 (not updated in 11 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 1,190 in Maryland → Look up another NPI →
Also registered at 3001 Hospital Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Mahmoud Abdelghaffar, MDAnesthesiology Physician1306408570
- Helen Abebe, PAPhysician Assistant1568833671
- Mehnur Abedin, M.D.Neonatal-Perinatal Medicine Physician1336199827
- Ademiposi Adegbulugbe, M.DInfectious Disease Physician1942467386
- Omolola Adesina, M.DInternal Medicine Physician1982906657
- Temitope Akinmboni, MDNeonatal-Perinatal Medicine Physician1063733020
Verify Karen Keller Baker in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMaryland Board of Physicians
Search for license D77553Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
77% fewer Medicare Part D claims than the average emergency medicine physician in 2024
53 Medicare Part D claims for 43 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. 12 claims were for opioids.
Most prescribed
- Oxycodone Hcl11 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.
Karen Keller Baker among 1,190 emergency medicine physician records in Maryland
Karen Keller Baker, MD is one of 1,190 emergency 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 2011, is newer than 61% of them.
- NPI issued2011 · 61% of these records are older, 35% newer
- In a Medicare fileYes · 77% of these records are
- In the CMS Doctors and Clinicians fileNo · 48% of these records are
- Record last updated2015 · 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 207P00000X and a Maryland practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
6 emergency medicine physician records list a practice address in Cheverly
They are 6 of the 374 NPPES records with a practice address in Cheverly, and 1,190 emergency medicine physician records in Maryland.
All 1,190 in Maryland → Every provider in Cheverly → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Ravikiran Cherukuri, M.D.Cheverly, MD 207851396967733
- Alia Ibrahim, MDCheverly, MD 207851043221732
- Gary Little, MDCheverly, MD 207851356351274
- Mehdi Sattarian, MDCheverly, MD 207851639233810
- Bradford Schwartz, MDCheverly, MD 207851871811950
- Raven Davis, MDLandover Hills, MD 207841831407626
- Temple Ihedinmah, MDNew Carrollton, MD 207841740862655
- Marcus Balogun, M.D.Hyattsville, MD 207831700104882
Common questions
What is Karen Keller Baker, MD's NPI number?
Karen Keller Baker, MD's National Provider Identifier (NPI) is 1457641433, issued on Apr 12, 2011. An NPI identifies a provider in billing; it is not a license.
Where is Karen Keller Baker, MD located?
The NPPES record lists a practice address at 3001 Hospital Dr, Cheverly, MD, 20785. Phone: (301) 618-2000. Providers update this record themselves, so call before visiting.
How can I verify Karen Keller Baker, MD's license?
NPPES lists Maryland license number D77553, 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 Karen Keller Baker, MD prescribe under Medicare Part D?
In 2024, Karen Keller Baker, MD had 53 Medicare Part D claims for 43 beneficiaries; the average among emergency medicine physician prescribers was 226. 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.