ALYSSA JAMES
NPI 1447785852
Allergy & Immunology in Washington, DC

Q: What is Alyssa James's NPI number?

The NPI number for Alyssa James is 1447785852. It was assigned to this individual provider in the NPPES registry on April 23, 2017.

Q: What is Alyssa James's specialty?

The primary specialty registered for this NPI is Allergy & Immunology with taxonomy code 207K00000X.

Q: When was this NPI record last updated?

The NPPES record for Alyssa James was last updated on May 29, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 months 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 23, 2017PECOS EnrolledAccepts Medicare Assignment

111 MICHIGAN AVE NW, WASHINGTON, DC 20010(202) 476-3670(202) 476-4741 Get Directions Write a Review

NPPES record last updated: May 29, 2025. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: May 29, 2025, Apr 23, 2017 (2 updates tracked since 2017).

On this page

About Alyssa James NPPES

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

ALYSSA JAMES (NPI 1447785852) is an individual allergy & immunology provider in Washington, District Of Columbia, licensed in Maryland (D0103450) and active in the NPI registry since April 2017. She is enrolled in Medicare PECOS, maintains a secondary practice location in Hagerstown, and is a graduate of Florida International Univ, College Of Medicine (2017).

NPPES Registry Identity

NPI1447785852

Entity TypeIndividualFemale

Primary Taxonomy207K00000X

Provider Legal NameALYSSA JAMES

Location Address111 MICHIGAN AVE NWWashington, DC 20010-2916

Mailing Address111 Michigan Ave NwWashington, DC 20010-2916 · (202) 476-3670 · Fax (202) 476-4741

Phone(202) 476-3670

Fax(202) 476-4741

Sole ProprietorNo

Medical School CMSFlorida International Univ, College Of MedicineGraduated 2017

Enumeration DateApril 23, 2017

Last NPPES UpdateMay 29, 20252 updates tracked since enumeration

NPPES CertifiedMay 29, 2025

✔ NPI 1447785852 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyAllergy & ImmunologyAllopathic & Osteopathic Physicians

Taxonomy Code207K00000X

License✔ Licensed in MD · D0103450

Definition

An allergist-immunologist is trained in evaluation, physical and laboratory diagnosis, and management of disorders involving the immune system. Selected examples of such conditions include asthma, anaphylaxis, rhinitis, eczema, and adverse reactions to drugs, foods, and insect stings as well as immune deficiency diseases (both acquired and congenital), defects in host defense, and problems related to autoimmune disease, organ transplantation, or malignancies of the immune system.

Also ListedPediatricsTaxonomy 208000000X · License D0103450 (MD)

Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X

111 MICHIGAN AVE NW, Washington, DC 20010

Open in Google Maps ↗

Secondary Practice Location 1

Location 11125 Diamond DrHagerstown, MD 21740-5857 · Phone (301) 790-1482

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Alyssa James is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID9537686860

PECOS Enrollment IDI20250509000439

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.

Medicare Billing Reassignment

Medicare enrollment records show Alyssa James reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Medical Practices Of Antietam, LLC

60 mi

General Practice

11110 MEDICAL CAMPUS ROAD, SUITE 229
Hagerstown, MD 21742

Reassigned Medicare billing, Maryland enrollment
242 clinicians in this Medicare group

NPI 1558430843 (301) 665-4531

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

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.

DR. ANDREA BADILLO MD

Surgery

111 MICHIGAN AVE NW
WASHINGTON, DC 20010

District of Columbia (202) 476-2451

DR. TALITA MICHELLE JORDAN MD

Pediatrics

111 MICHIGAN AVE NW
WASHINGTON, DC 20010

District of Columbia (202) 476-5000

YUE-HIN LOKE MD

Pediatrics (Pediatric Cardiology)

111 MICHIGAN AVE NW, W3.5, 600
WASHINGTON, DC 20010

District of Columbia (202) 476-3670

ELSHADEY YAYEHYERADE BEKELE

Pediatrics

111 MICHIGAN AVE NW
WASHINGTON, DC 20010

District of Columbia (301) 565-4279

NOURA AL DHAHERI MD

Student in an Organized Health Care Education/Training Program

111 MICHIGAN AVE NW, W3.5, 600
WASHINGTON, DC 20010

District of Columbia (202) 476-3670

JIA LIU MD

Anesthesiology (Pediatric Anesthesiology)

111 MICHIGAN AVE NW
WASHINGTON, DC 20010

District of Columbia (202) 476-5000

DR. CHARLES JOHN BILLINGTON JR. MD

Medical Genetics (Clinical Genetics (M.D.))

111 MICHIGAN AVE NW, W3.5, 600
WASHINGTON, DC 20010

District of Columbia (202) 476-3670

GINA JIN LEE PHARMD

Pharmacist (Pharmacotherapy)

111 MICHIGAN AVE NW
WASHINGTON, DC 20010

District of Columbia (202) 476-4080

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 Alyssa James's NPI number?

The NPI number for Alyssa James is 1447785852. It was assigned to this individual provider in the NPPES registry on April 23, 2017.

Where is Alyssa James located?

Alyssa James practices at 111 Michigan Ave NW, Washington, DC 20010. The listed phone number is (202) 476-3670.

What is Alyssa James's specialty?

The primary specialty registered for this NPI is Allergy & Immunology with taxonomy code 207K00000X.

Is Alyssa James enrolled in Medicare?

Yes. Alyssa James is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organization bills Medicare for Alyssa James's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Alyssa James reassigns Medicare benefits to Medical Practices Of Antietam, LLC (Hagerstown, MD). The 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 Alyssa James's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Alyssa James was last updated on May 29, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 months 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.