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INTERNAL MEDICINE FOR ADULTS AND ADOLESCENTS
NPI 1124118567
Internal Medicine in Washington, DC

Active since October 14, 2006
5410 CONNECTICUT AVE NW, SUITE 103, WASHINGTON, DC 20015(202) 966-0622(202) 966-0977 Get Directions Write a Review

NPPES record last updated: March 17, 2011. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Internal Medicine For Adults And Adolescents NPPES

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

INTERNAL MEDICINE FOR ADULTS AND ADOLESCENTS (NPI 1124118567) is a healthcare organization registered as an internal medicine in Washington, District Of Columbia and active in the NPI registry since October 2006. The organization lists Alan Morrison, President, as its authorized official.

NPPES Registry Identity

NPI1124118567
Entity TypeOrganization
Primary Taxonomy207R00000X
Legal Business NameALAN MORRISON DO LLC
Location Address5410 CONNECTICUT AVE NW, SUITE 103Washington, DC 20015-2859
Mailing Address5410 Connecticut Ave Nw, Suite 103Washington, DC 20015-2859 · (202) 966-0622 · Fax (202) 966-0977
Phone(202) 966-0622
Fax(202) 966-0977
Organization SubpartNo
Authorized OfficialAlan MorrisonPresident · (202) 966-0622
Enumeration DateOctober 14, 2006
Last NPPES UpdateMarch 17, 2011
✔ NPI 1124118567 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in DC · DO30247
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.
5410 CONNECTICUT AVE NW, Washington, DC 20015
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Other Names 1

Doing Business AsInternal Medicine For Adults And Adolescents

Other Identifiers 9

Other3644009DC · Aetna Hmo
Other688740DC · Ncppo
Medicare ID-Type UnspecifiedG01551DC
OtherJ36AARMD · Bcbs
Other2129796DC · Mamsi/united
Other7530170DC · Aetna Ppo
Other4739368DC · Cigna
OtherJ682DC · Bcbs
Medicaid036367700DC

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)

Internal Medicine For Adults And Adolescents 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 Internal Medicine For Adults And Adolescents, which bills Medicare for the services this clinician delivers.

Clinician (1)

Alan Morrison, D.O.
Internal Medicine
NPI 1023108461
5410 CONNECTICUT AVE NW SUITE 103
Washington, DC 20015
(202) 966-0622
✔ PECOS✔ Accepts MedicareSame address

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 Alan Morrison Do LLC's NPI number?

The NPI number for Alan Morrison Do LLC is 1124118567. It was assigned to this organization in the NPPES registry on October 14, 2006. The provider is doing business as Internal Medicine For Adults And Adolescents.

Where is Alan Morrison Do LLC located?

Alan Morrison Do LLC is located at 5410 Connecticut Ave NW Suite 103, Washington, DC 20015. The listed phone number is (202) 966-0622.

What is Alan Morrison Do LLC's specialty?

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

Is Alan Morrison Do LLC enrolled in Medicare?

Yes. Alan Morrison Do LLC is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Alan Morrison Do LLC?

According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Internal Medicine) reassigns their Medicare billing to Alan Morrison Do LLC. 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 Alan Morrison Do LLC was last updated on March 17, 2011. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 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.