Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

ALLEN JO MD
NPI 1992495782
Internal Medicine in Baltimore, MD

Active since May 15, 2023PECOS Enrolled
1800 ORLEANS ST, BALTIMORE, MD 21287(410) 955-5000 Get Directions Write a Review

NPPES record last updated: August 31, 2026. Verified against the NPPES registry weekly; last sync: September 20, 2026.

Record update history: Aug 31, 2026, May 15, 2023 (2 updates tracked since 2023).

About Allen Jo Md NPPES

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

ALLEN JO MD (NPI 1992495782) is an individual internal medicine provider in Baltimore, Maryland, licensed in Maryland (D0107937) and active in the NPI registry since May 2023. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1992495782
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameALLEN JOCredential: MD
Location Address1800 ORLEANS STBaltimore, MD 21287-0010
Mailing Address10755 Falls Rd Ste 200Timonium, MD 21093-4520
Sole ProprietorYes
Enumeration DateMay 15, 2023
Last NPPES UpdateAugust 31, 20262 updates tracked since enumeration
NPPES CertifiedAugust 31, 2026
NPI 1992495782 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License Licensed in MD · D0107937
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
1800 ORLEANS ST, Baltimore, MD 21287

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

Enrolled in Medicare (PECOS)

Allen Jo Md 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 21287 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
$139.05 typical visit price
range $60.73 – $183.44
Typical copayment $34.76 (range $15.18 – $45.86)
Most-billed visit code 99204
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.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Anesthesiology
1800 ORLEANS ST
BALTIMORE, MD 21287
Pediatrics
1800 ORLEANS ST
BALTIMORE, MD 21287
Internal Medicine (Gastroenterology)
1800 ORLEANS ST
BALTIMORE, MD 21287
Surgery (Trauma Surgery)
1800 ORLEANS ST
BALTIMORE, MD 21287
Radiology (Neuroradiology)
1800 ORLEANS ST
BALTIMORE, MD 21287
Physician Assistant
1800 ORLEANS ST
BALTIMORE, MD 21287
Student in an Organized Health Care Education/Training Program
1800 ORLEANS ST
BALTIMORE, MD 21287
Nurse Practitioner (Family)
1800 ORLEANS ST
BALTIMORE, MD 21287

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Allen Jo's NPI number?

The NPI number for Allen Jo is 1992495782. It was assigned to this individual provider in the NPPES registry on May 15, 2023.

Where is Allen Jo located?

Allen Jo practices at 1800 Orleans St, Baltimore, MD 21287. The listed phone number is (410) 955-5000.

What is Allen Jo's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Allen Jo enrolled in Medicare?

Yes. Allen Jo is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Allen Jo was last updated on August 31, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 23 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.