Mercedes Rita Terrell, MD
Internal Medicine Physician · Baltimore, MD
Mercedes Rita Terrell, MD is an internal medicine physician with a practice address in Baltimore, Maryland, and NPI 1578748653, issued on Jan 8, 2008. Check the license (Maryland D69591, as entered in NPPES) on the Maryland Board of Physicians; the Medicare figures below come from public CMS files.
- Name
- Mercedes Rita Terrell
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- D69591 MD
Self-reported in NPPES; status is on the state search - Practice location
- 4920 Campbell Blvd, Baltimore, MD 21236
- Phone
- (443) 442-2300
- Enumerated
- Jan 8, 2008
- Record last updated
- May 9, 2013 (not updated in 13 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20240703000594); accepts Medicare assignment
- Medical or professional school
- George Washington University School Of Medicine, 2006
- Entity
- Type 1 · individual
Also registered at 4920 Campbell Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Rosina Shrestha, MBBSInternal Medicine Physician1760895346
- Jamille Taylor, MDFamily Medicine Physician1497141402
- Paul Zilioli, MDPediatrics Physician1700944071
Verify Mercedes Rita Terrell in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMaryland Board of Physicians
Search for license D69591Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.1 times the Medicare Part D claims of the average internal medicine physician in 2024
6,670 Medicare Part D claims for 653 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims. 117 claims were for opioids.
Most prescribed
- Atorvastatin Calcium336 claims
- Amlodipine Besylate332 claims
- Potassium Chloride256 claims
- Losartan Potassium198 claims
- Gabapentin185 claims
- Hydrochlorothiazide173 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: $876.32
45 payments; by number, the most common kind was food and beverage; the largest payer was AstraZeneca Pharmaceuticals LP. The 50,334 providers of this specialty with any payment received $1,303.06 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
- Permanente Medical Group IncLincoln, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
1,278 internal medicine physician records list a practice address in Baltimore
They are 1,278 of the 35,183 NPPES records with a practice address in Baltimore, and 3,904 internal medicine physician records in Maryland.
All 1,278 in Baltimore → All 3,904 in Maryland → Every provider in Baltimore →
Other internal medicine physician records in Maryland
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- Nourelhuda Abbas Hamed, MDSilver Spring, MD1699339473
- Arsalan Abbasi, MDWestminster, MD1942762604
- Hamdi AbdeenGaithersburg, MD1245972413
- Mukemil Abdella, M.D.Glenn Dale, MD1871603381
- Suzan Abdo, MDClarksville, MD1588631824
- Madeeha Abdul GhaffarElkton, MD1194276063
Common questions
What is Mercedes Rita Terrell, MD's NPI number?
Mercedes Rita Terrell, MD's National Provider Identifier (NPI) is 1578748653, issued on Jan 8, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Mercedes Rita Terrell, MD located?
The NPPES record lists a practice address at 4920 Campbell Blvd, Baltimore, MD, 21236. Phone: (443) 442-2300. Providers update this record themselves, so call before visiting.
How can I verify Mercedes Rita Terrell, MD's license?
NPPES lists Maryland license number D69591, 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 Mercedes Rita Terrell, MD prescribe under Medicare Part D?
In 2024, Mercedes Rita Terrell, MD had 6,670 Medicare Part D claims for 653 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.