Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 30 days.

DR. JACOB BRYAN BLUMENTHAL M.D.
NPI 1497715049
Internal Medicine - Geriatric Medicine in Baltimore, MD

Q: What is Jacob Blumenthal's NPI number?

The NPI number for Jacob Blumenthal is 1497715049. It was assigned to this individual provider in the NPPES registry on March 27, 2006.

Q: What is Jacob Blumenthal's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Geriatric Medicine, with taxonomy code 207RG0300X.

Q: When was this NPI record last updated?

The NPPES record for Jacob Blumenthal was last updated on July 13, 2026. NPI Profile syncs with the weekly NPPES data releases published by CMS.

Active since March 27, 2006PECOS Enrolled

10 N GREENE ST, GRECC (BT/18/GR), BALTIMORE, MD 21201(410) 605-7000(410) 605-7913 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: July 19, 2026.

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About Dr. Jacob Bryan Blumenthal M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. JACOB BRYAN BLUMENTHAL M.D. (NPI 1497715049) is an individual geriatric medicine provider in Baltimore, Maryland, licensed in Maryland (D0052243) and active in the NPI registry since March 2006. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1497715049

Entity TypeIndividualMale

Primary Taxonomy207RG0300X

Provider Legal NameDR. JACOB BRYAN BLUMENTHALCredential: M.D.

Location Address10 N GREENE ST, GRECC (BT/18/GR)Baltimore, MD 21201-1524

Mailing Address10 N Greene St, Grecc (bt/18/gr)Baltimore, MD 21201-1524 · (410) 605-7000 · Fax (410) 605-7913

Phone(410) 605-7000

Fax(410) 605-7913

Sole ProprietorNo

Enumeration DateMarch 27, 2006

Last NPPES UpdateJuly 13, 2026

✔ NPI 1497715049 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Geriatric MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207RG0300X

License✔ Licensed in MD · D0052243

Definition

An internist who has special knowledge of the aging process and special skills in the diagnostic, therapeutic, preventive and rehabilitative aspects of illness in the elderly. This specialist cares for geriatric patients in the patient's home, the office, long-term care settings such as nursing homes and the hospital.

10 N GREENE ST, Baltimore, MD 21201

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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Jacob Bryan Blumenthal M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 21201 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$183.44 typical visit price

range $60.73 – $183.44

Typical copayment $45.86 (range $15.18 – $45.86)

Most-billed visit code 99205

Established Patient

$106.59 typical visit price

range $19.60 – $149.17

Typical copayment $26.64 (range $4.90 – $37.29)

Most-billed visit code 99214

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.