Eduardo Diego Abarca Rojas, M.D.
Internal Medicine Physician · Parkville, MD
Eduardo Diego Abarca Rojas, M.D. is an internal medicine physician with a practice address in Parkville, Maryland, and NPI 1538447628, issued on Jul 24, 2011. Check the license (Maryland D77964, as entered in NPPES) on the Maryland Board of Physicians; the Medicare figures below come from public CMS files.
- Name
- Eduardo Diego Abarca Rojas
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License numbers
- D77964 MD
MD.39315 AL
ME144129 FL
036.153848 IL
C0286 KY
and 9 more
Self-reported in NPPES; status is on the state search - Practice location
- 8813 Waltham Woods RD, Parkville, MD 21234
- Phone
- (410) 661-4670
- Enumerated
- Jul 24, 2011
- Record last updated
- Aug 31, 2022
- Medicare enrollment
- Enrolled (PECOS I20140918001318); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 3,904 in Maryland → Look up another NPI →
Also registered at 8813 Waltham Woods RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Eduardo Diego Abarca Rojas in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMaryland Board of Physicians
Search for license D77964Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
94% fewer Medicare Part D claims than the average internal medicine physician in 2024
201 Medicare Part D claims for 34 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 5% of claims.
Most prescribed
- Metoprolol Succinate20 claims
- Amlodipine Besylate13 claims
- Pantoprazole Sodium13 claims
- Losartan Potassium12 claims
- Trazodone Hcl12 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 3 group practices
- Adfinitas Health AT Upper Chesapeake Aberdeen LLCAberdeen, MD
- Adfinitas Health AT Upper Chesapeake LLCBel Air, MD
- Medstar Medical Group II LLCBaltimore, MD
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Eduardo Diego Abarca Rojas among 3,904 internal medicine physician records in Maryland
Eduardo Diego Abarca Rojas, M.D. 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 2011, is newer than 67% of them.
- NPI issued2011 · 67% of these records are older, 31% newer
- In a Medicare fileYes · 77% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated2002 · median 2003 among the 2,445 with a school on file
- Record last updated2022 · 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).
20 internal medicine physician records list a practice address in Parkville
They are 20 of the 399 NPPES records with a practice address in Parkville, and 3,904 internal medicine physician records in Maryland.
All 3,904 in Maryland → Every provider in Parkville → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Fausto Aquino, MDBaltimore, MD 212341265543375
- Panayiotis Baltatzis, M.D.Baltimore, MD 212341417983016
- Narender Bharaj, M.D.Parkville, MD 212341083682074
- Bhavneet Bharaj, M.D.Parkville, MD 212341689860157
- Karen GirgBaltimore, MD 212341427087626
- Ronald Jeffreys, D.O.Baltimore, MD 212341750347282
- Shalini Kamal, M.D.Baltimore, MD 212341316906985
- Serena Nolan, MDBaltimore, MD 212341336211739
Common questions
What is Eduardo Diego Abarca Rojas, M.D.'s NPI number?
Eduardo Diego Abarca Rojas, M.D.'s National Provider Identifier (NPI) is 1538447628, issued on Jul 24, 2011. An NPI identifies a provider in billing; it is not a license.
Where is Eduardo Diego Abarca Rojas, M.D. located?
The NPPES record lists a practice address at 8813 Waltham Woods RD, Parkville, MD, 21234. Phone: (410) 661-4670. Providers update this record themselves, so call before visiting.
How can I verify Eduardo Diego Abarca Rojas, M.D.'s license?
NPPES lists Maryland license number D77964, 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 Eduardo Diego Abarca Rojas, M.D. prescribe under Medicare Part D?
In 2024, Eduardo Diego Abarca Rojas, M.D. had 201 Medicare Part D claims for 34 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.