npidata.org Sign in
Products
Provider RadarWatch an area and specialty — weekly alerts on new cliniciansPractice RadarWeekly alerts when new organisations register nearbySpecialtiesEvery NUCC taxonomy, with counts by state and cityStatesProvider counts and breakdowns for all 50 statesPhysician listsMDs and DOs with addresses and phone numbersNP listsNurse practitioners, the fastest-growing groupAPIJSON, delta feed, free tier
Use cases
Healthcare sales prospectingPhysician recruiting and locum staffingMedical device sales territory planningCredentialing and provider verificationHealthcare marketing lists and audience buildingPharmaceutical sales and prescriber targeting
Account
Start freeThree radars and an export a month Sign in Pricing
Explore
Data Labs API
About
About usTermsPrivacyContact us

Search › Maryland › Geriatric Medicine (Internal Medicine) Physician

Jacob Blumenthal, M.D

NPI 1497715049 · on the registry since 2006

Practice

Address
10 N Greene St
Grecc (Bt/18/Gr)
Baltimore, MD 21201
Phone
(410) 605-7000
Fax
(410) 605-7913
Organisation at this address
Vha
Vamhcs
Baltimore Vamc
Baltimore Vamc
Baltimore Va Medical Center
Inferred from a shared address, not stated in the registry.
Clinicians at this address
566

Registry record

Primary taxonomy
Geriatric Medicine (Internal Medicine) Physician
207RG0300X
Licence states on file
MD
From the registry's licence fields, which are often incomplete.
Sex
Male
Record last updated
2026-07-13

Source: CMS National Plan and Provider Enumeration System. Registration is not the same as practising, and the registry records no retirement — some people listed here no longer practise. More in Maryland