Ana Esther Maldonado, MD
Internal Medicine Physician · Baltimore, MD
Ana Esther Maldonado, MD is an internal medicine physician with a practice address in Baltimore, Maryland, and NPI 1689670937, issued on Jun 22, 2005. Check the license (Maryland D58654, as entered in NPPES) on the Maryland Board of Physicians; the Medicare figures below come from public CMS files.
- Name
- Ana Esther Maldonado
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- D58654 MD
Self-reported in NPPES; status is on the state search - Practice location
- 3700 Fleet St, Baltimore, MD 21224
- Phone
- (410) 558-4900
- Enumerated
- Jun 22, 2005
- Record last updated
- Nov 6, 2015 (not updated in 11 years: call before relying on the address or phone)
- Fax
- (410) 522-1475
- Medicare enrollment
- Enrolled (PECOS I20110104000589); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 3,904 in Maryland → Look up another NPI →
Also registered at 3700 Fleet St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Kate Goodell, LCSW-CClinical Social Worker1417261447
- Danna Jackson, LCPCProfessional Counselor1093906489
Verify Ana Esther Maldonado in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMaryland Board of Physicians
Search for license D58654Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
47% fewer Medicare Part D claims than the average internal medicine physician in 2024
1,688 Medicare Part D claims for 121 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims. 24 claims were for opioids.
Most prescribed
- Atorvastatin Calcium205 claims
- Amlodipine Besylate119 claims
- Metformin Hcl99 claims
- Lisinopril94 claims
- Hydrochlorothiazide67 claims
- Losartan Potassium67 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.
Bills Medicare through one group practice
- Baltimore Medical System, Inc.Baltimore, MD
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Ana Esther Maldonado among 3,904 internal medicine physician records in Maryland
Ana Esther Maldonado, MD 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 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 91% newer
- In a Medicare fileYes · 77% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated1999 · median 2003 among the 2,445 with a school on file
- Record last updated2015 · 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).
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 3,904 in Maryland → Every provider in Baltimore → Internal Medicine Physician nationwide →
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Common questions
What is Ana Esther Maldonado, MD's NPI number?
Ana Esther Maldonado, MD's National Provider Identifier (NPI) is 1689670937, issued on Jun 22, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Ana Esther Maldonado, MD located?
The NPPES record lists a practice address at 3700 Fleet St, Baltimore, MD, 21224. Phone: (410) 558-4900. Providers update this record themselves, so call before visiting.
How can I verify Ana Esther Maldonado, MD's license?
NPPES lists Maryland license number D58654, 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 Ana Esther Maldonado, MD prescribe under Medicare Part D?
In 2024, Ana Esther Maldonado, MD had 1,688 Medicare Part D claims for 121 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.