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MALINOW OSTER &MALINOW, P.A
NPI 1306858576
Specialist in Baltimore, MD

Active since August 13, 2006
2700 QUARRY LAKE DR, STE290, BALTIMORE, MD 21209(410) 484-4000(410) 764-0225 Get Directions Write a Review

NPPES record last updated: July 21, 2022. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Jul 21, 2022, Aug 22, 2020 (2 updates tracked since 2020).

About Malinow Oster &malinow, P.a NPPES

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

MALINOW OSTER &MALINOW, P.A (NPI 1306858576) is a healthcare organization registered as a specialist in Baltimore, Maryland and active in the NPI registry since August 2006. The organization lists Mechel Lynn Downs, Office Administrator, as its authorized official.

NPPES Registry Identity

NPI1306858576
Entity TypeOrganization
Primary Taxonomy174400000X
Legal Business NameMALINOW OSTER &MALINOW, P.A
Location Address2700 QUARRY LAKE DR, STE290Baltimore, MD 21209-3744
Mailing Address2700 Quarry Lake Dr, Ste290Baltimore, MD 21209-3744 · (410) 484-4000 · Fax (410) 764-0225
Phone(410) 484-4000
Fax(410) 764-0225
Organization SubpartNo
Authorized OfficialMechel Lynn DownsOffice Administrator · (410) 484-4000
Enumeration DateAugust 13, 2006
Last NPPES UpdateJuly 21, 20222 updates tracked since enumeration
✔ NPI 1306858576 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySpecialistOther Service Providers
Taxonomy Code174400000X
Definition
An individual educated and trained in an applied knowledge discipline used in the performance of work at a level requiring knowledge and skills beyond or apart from that provided by a general education or liberal arts degree.
2700 QUARRY LAKE DR, Baltimore, MD 21209
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Other Identifiers 1

OtherLR33DRMD · Bcbs Group Number

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 MULTIPLE 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)

Malinow Oster &malinow, P.a is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

2

Medicare enrollment records show 2 clinicians reassign Medicare billing to Malinow Oster & malinow, P.A, which bills Medicare for the services they deliver. Of these, 1 practice at this address. They are listed nearest first.

Clinicians, nearest first (2)

Louis Malinow, M.D.
Internal Medicine
NPI 1225007925
2700 QUARRY LAKE DR #290
Baltimore, MD 21209
(410) 484-8398
✔ PECOS✔ Accepts MedicareSame address
Timothy Walters, M.D.
Internal Medicine
NPI 1063604742
200 LOTHROP ST N-713
Pittsburgh, PA 15213
(412) 692-4942
✔ PECOS✔ Accepts Medicare188 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 Malinow Oster &malinow, P.A's NPI number?

The NPI number for Malinow Oster &malinow, P.A is 1306858576. It was assigned to this organization in the NPPES registry on August 13, 2006.

Where is Malinow Oster &malinow, P.A located?

Malinow Oster &malinow, P.A is located at 2700 Quarry Lake Dr Ste290, Baltimore, MD 21209. The listed phone number is (410) 484-4000.

What is Malinow Oster &malinow, P.A's specialty?

The primary specialty registered for this NPI is Specialist with taxonomy code 174400000X.

Is Malinow Oster &malinow, P.A enrolled in Medicare?

Yes. Malinow Oster &malinow, P.A is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Malinow Oster &malinow, P.A?

According to the CMS Revalidation Reassignment List (October 2026 release), 2 clinicians, all in Internal Medicine, reassign their Medicare billing to Malinow Oster &malinow, P.A. 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. Of these, 1 practice at this address. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

When was this NPI record last updated?

The NPPES record for Malinow Oster &malinow, P.A was last updated on July 21, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.