RUBEN REIDER MD PA
NPI 1891984936
Internal Medicine in Baltimore, MD

Active since October 15, 2007
201 MILFORD MILL RD, STE 105, BALTIMORE, MD 21208(410) 768-1380 Get Directions Write a Review

NPPES record last updated: November 26, 2007. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Ruben Reider Md Pa NPPES

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

RUBEN REIDER MD PA (NPI 1891984936) is a healthcare organization registered as an internal medicine in Baltimore, Maryland and active in the NPI registry since October 2007. The organization lists Ruben Reider, President, as its authorized official.

NPPES Registry Identity

NPI1891984936
Entity TypeOrganization
Primary Taxonomy207R00000X
Legal Business NameRUBEN REIDER MD PA
Location Address201 MILFORD MILL RD, STE 105Baltimore, MD 21208-5903
Mailing Address7445 E Furnace Branch Rd, Ste AGlen Burnie, MD 21060-7243 · (410) 768-1380
Organization SubpartNo
Authorized OfficialRuben ReiderPresident · (410) 768-1380
Enumeration DateOctober 15, 2007
Last NPPES UpdateNovember 26, 2007
✔ NPI 1891984936 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 · D22609
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.
201 MILFORD MILL RD, Baltimore, MD 21208

Other Identifiers 2

Medicaid528100800MD
Medicare PIN755LMD

Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Ruben Reider Md Pa is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

Medicare enrollment records show 1 clinician reassigns Medicare billing to Ruben Reider MD PA, which bills Medicare for the services this clinician delivers.

Clinician (1)

Internal Medicine
NPI 1891890968
7445 E FURNACE BRANCH RD
Glen Burnie, MD 21060
(410) 768-1380
✔ PECOS✔ Accepts Medicare15 mi

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

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 Ruben Reider MD PA's NPI number?

The NPI number for Ruben Reider MD PA is 1891984936. It was assigned to this organization in the NPPES registry on October 15, 2007.

Where is Ruben Reider MD PA located?

Ruben Reider MD PA is located at 201 Milford Mill Rd Ste 105, Baltimore, MD 21208. The listed phone number is (410) 768-1380.

What is Ruben Reider MD PA's specialty?

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

Is Ruben Reider MD PA enrolled in Medicare?

Yes. Ruben Reider MD PA is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Ruben Reider MD PA?

According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Internal Medicine) reassigns their Medicare billing to Ruben Reider MD PA. A reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for the clinician's services. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

When was this NPI record last updated?

The NPPES record for Ruben Reider MD PA was last updated on November 26, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 years 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.