DR. LEONARD JOSEPH LEO D.O.
NPI 1285851535
General Practice in Rockville, MD

Q: What is Leonard Leo's NPI number?

The NPI number for Leonard Leo is 1285851535. It was assigned to this individual provider in the NPPES registry on April 19, 2007.

Q: What is Leonard Leo's specialty?

The primary specialty registered for this NPI is General Practice with taxonomy code 208D00000X.

Q: Is Leonard Leo enrolled in Medicare?

No. Leonard Leo has opted out of Medicare through August 1, 2028. Care is provided under private contracts, and Medicare does not pay for services furnished by providers who have opted out. The provider remains eligible to order and refer services for Medicare patients.

Q: When was this NPI record last updated?

The NPPES record for Leonard Leo was last updated on November 2, 2016. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.

Active since April 19, 2007Opted out of Medicare · through Aug 1, 2028

6321 EXECUTIVE BLVD, ROCKVILLE, MD 20852(301) 770-6650 Get Directions Write a Review

NPPES record last updated: November 2, 2016. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Nov 2, 2016, Aug 17, 2016 (2 updates tracked since 2016).

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About Dr. Leonard Joseph Leo D.o. NPPES

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

DR. LEONARD JOSEPH LEO D.O. (NPI 1285851535) is an individual general practice provider in Rockville, Maryland, licensed in Maryland (H0071022) and active in the NPI registry since April 2007. He has opted out of Medicare through August 1, 2028 and remains eligible to order and refer.

NPPES Registry Identity

NPI1285851535

Entity TypeIndividualMale

Primary Taxonomy208D00000X

Provider Legal NameDR. LEONARD JOSEPH LEOCredential: D.O.

Location Address6321 EXECUTIVE BLVDRockville, MD 20852-3905

Mailing Address6321 Executive BlvdRockville, MD 20852-3905 · (301) 770-6650

Phone(301) 770-6650

Sole ProprietorYes

Enumeration DateApril 19, 2007

Last NPPES UpdateNovember 2, 20162 updates tracked since enumeration

✔ NPI 1285851535 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyGeneral PracticeAllopathic & Osteopathic Physicians

Taxonomy Code208D00000X

License✔ Licensed in MD · H0071022

Definition

A physician who specializes in the general practice of diagnosing, treating, and managing patients with a variety of illnesses and conditions. Source: National Uniform Claim Committee

6321 EXECUTIVE BLVD, Rockville, MD 20852

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Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

ⓘ

Opted out of Medicare

Dr. Leonard Joseph Leo D.o. has filed a Medicare opt-out affidavit. Services are provided under private contract between the provider and the patient, and are not billed to or reimbursed by Medicare. The opt-out is on file from August 1, 2016 through August 1, 2028.

Opt-Out Effective DateAugust 1, 2016

Opt-Out In Effect ThroughAugust 1, 2028Opt-out affidavits renew automatically every two years unless cancelled

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesAn opted-out provider can still order and refer for Medicare patients in the categories marked above, even though their own services are not covered.

Other Providers at the Same Location NPPES

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

DR. JULIE MICHELE ROSENBERG D. C.

Chiropractor (Neurology)

6321 EXECUTIVE BLVD
ROCKVILLE, MD 20852

Montgomery County (301) 770-6650

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 Leonard Leo's NPI number?

The NPI number for Leonard Leo is 1285851535. It was assigned to this individual provider in the NPPES registry on April 19, 2007.

Where is Leonard Leo located?

Leonard Leo practices at 6321 Executive Blvd, Rockville, MD 20852. The listed phone number is (301) 770-6650.

What is Leonard Leo's specialty?

The primary specialty registered for this NPI is General Practice with taxonomy code 208D00000X.

Is Leonard Leo enrolled in Medicare?

No. Leonard Leo has opted out of Medicare through August 1, 2028. Care is provided under private contracts, and Medicare does not pay for services furnished by providers who have opted out. The provider remains eligible to order and refer services for Medicare patients.

When was this NPI record last updated?

The NPPES record for Leonard Leo was last updated on November 2, 2016. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.