Jason Simon Javillo, M.D.
Internal Medicine Physician · Baltimore, MD
Jason Simon Javillo, M.D. is an internal medicine physician with a practice address in Baltimore, Maryland, and NPI 1366472557, issued on Jul 3, 2006. Check the license (Maryland D0063881, as entered in NPPES) on the Maryland Board of Physicians; the Medicare figures below come from public CMS files.
- Name
- Jason Simon Javillo
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- D0063881 MD
Self-reported in NPPES; status is on the state search - Practice location
- 2435 W Belvedere Ave, Baltimore, MD 21215
- Phone
- (410) 601-6840
- Enumerated
- Jul 3, 2006
- Record last updated
- Oct 16, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (410) 601-5789
- Medicare enrollment
- Enrolled (PECOS I20061017000504); may accept Medicare assignment
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 3,904 in Maryland → Look up another NPI →
Also registered at 2435 W Belvedere Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Jason Simon Javillo in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMaryland Board of Physicians
Search for license D0063881Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.2 times the Medicare Part D claims of the average internal medicine physician in 2024
7,082 Medicare Part D claims for 655 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. 329 claims were for opioids.
Most prescribed
- Amlodipine Besylate449 claims
- Atorvastatin Calcium442 claims
- Losartan Potassium265 claims
- Hydrochlorothiazide237 claims
- Lisinopril215 claims
- Metoprolol Succinate191 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: $628.09
30 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
- Sinai Hospital OF Baltimore, IncBaltimore, MD
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Jason Simon Javillo among 3,904 internal medicine physician records in Maryland
Jason Simon Javillo, 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 2006, is newer than 9% of them.
- NPI issued2006 · 9% of these records are older, 55% 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 updated2007 · 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 →
The 8 internal medicine physician records with the nearest ZIP codes
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- Gary Kerkvliet, M.D.Baltimore, MD 212151508804642
- Lucille King, M.D.Baltimore, MD 212151407898497
- David Meyers, M.D.Baltimore, MD 212151134182439
- Lasongia Morton, MDBaltimore, MD 212151376579573
- Maria Moyer, M.D.Baltimore, MD 212151386671139
Common questions
What is Jason Simon Javillo, M.D.'s NPI number?
Jason Simon Javillo, M.D.'s National Provider Identifier (NPI) is 1366472557, issued on Jul 3, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Jason Simon Javillo, M.D. located?
The NPPES record lists a practice address at 2435 W Belvedere Ave, Baltimore, MD, 21215. Phone: (410) 601-6840. Providers update this record themselves, so call before visiting.
How can I verify Jason Simon Javillo, M.D.'s license?
NPPES lists Maryland license number D0063881, 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 Jason Simon Javillo, M.D. prescribe under Medicare Part D?
In 2024, Jason Simon Javillo, M.D. had 7,082 Medicare Part D claims for 655 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.