Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

MRS. HARPER DAWES SANTIAGO
NPI 1841143062
Physician Assistant - Medical in Washington, DC

Q: What is Harper Santiago's NPI number?

The NPI number for Harper Santiago is 1841143062. It was assigned to this individual provider in the NPPES registry on February 17, 2026. The provider is also known as Ms. Harper Mckenna Dawes.

Q: What is Harper Santiago's specialty?

The primary specialty registered for this NPI is Physician Assistant, specializing in Medical, with taxonomy code 363AM0700X.

Q: When was this NPI record last updated?

The NPPES record for Harper Santiago was last updated on July 27, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 25 days 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 February 17, 2026

1737 20TH ST NW, WASHINGTON, DC 20009(202) 737-6800 Get Directions Write a Review

NPPES record last updated: July 27, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Jul 27, 2026, Jul 17, 2026 (2 updates tracked since 2026).

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About Mrs. Harper Dawes Santiago NPPES

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

MRS. HARPER DAWES SANTIAGO (NPI 1841143062) is an individual medical provider in Washington, District Of Columbia, licensed in District Of Columbia (PA200002556) and active in the NPI registry since February 2026.

NPPES Registry Identity

NPI1841143062

Entity TypeIndividualFemale

Primary Taxonomy363AM0700X

Provider Legal NameMRS. HARPER DAWES SANTIAGO

Location Address1737 20TH ST NWWashington, DC 20009-1104

Mailing Address1737 20th St NwWashington, DC 20009-1104 · (202) 737-6800

Phone(202) 737-6800

Sole ProprietorNo

Enumeration DateFebruary 17, 2026

Last NPPES UpdateJuly 27, 20262 updates tracked since enumeration

NPPES CertifiedJuly 27, 2026

✔ NPI 1841143062 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPhysician Assistant · MedicalPhysician Assistants & Advanced Practice Nursing Providers

Taxonomy Code363AM0700X

License✔ Licensed in DC · PA200002556

1737 20TH ST NW, Washington, DC 20009

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Other Names 1

Former Name (1)Ms. Harper Mckenna Dawes

Other Providers at the Same Location NPPES

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

DUPONT CIRCLE PHYSICIANS GROUP PC

Internal Medicine

1737 20TH ST NW
WASHINGTON, DC 20009

District of Columbia (202) 745-0201

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 Harper Santiago's NPI number?

The NPI number for Harper Santiago is 1841143062. It was assigned to this individual provider in the NPPES registry on February 17, 2026. The provider is also known as Ms. Harper Mckenna Dawes.

Where is Harper Santiago located?

Harper Santiago practices at 1737 20th St NW, Washington, DC 20009. The listed phone number is (202) 737-6800.

What is Harper Santiago's specialty?

The primary specialty registered for this NPI is Physician Assistant, specializing in Medical, with taxonomy code 363AM0700X.

When was this NPI record last updated?

The NPPES record for Harper Santiago was last updated on July 27, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 25 days 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.