MARY Y. DUAN DIPL. AC. (NCCAOM)
NPI 1275604381
Specialist/Technologist, Other in Rockville, MD

Q: What is Mary Duan's NPI number?

The NPI number for Mary Duan is 1275604381. It was assigned to this individual provider in the NPPES registry on November 11, 2006.

Q: What is Mary Duan's specialty?

The primary specialty registered for this NPI is Specialist/Technologist, Other with taxonomy code 246Z00000X.

Q: When was this NPI record last updated?

The NPPES record for Mary Duan was last updated on July 8, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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 November 11, 2006

1221 MAPLE GROVE LN, ROCKVILLE, MD 20850(301) 947-7688 Get Directions Write a Review

NPPES record last updated: July 8, 2007. Verified against the NPPES registry weekly; last sync: August 09, 2026.

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About Mary Y. Duan Dipl. Ac. (nccaom) NPPES

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

MARY Y. DUAN DIPL. AC. (NCCAOM) (NPI 1275604381) is an individual specialist/technologist, other provider in Rockville, Maryland, licensed in Maryland (U01409) and active in the NPI registry since November 2006.

NPPES Registry Identity

NPI1275604381

Entity TypeIndividualFemale

Primary Taxonomy246Z00000X

Provider Legal NameMARY Y. DUANCredential: DIPL. AC. (NCCAOM)

Location Address1221 MAPLE GROVE LNRockville, MD 20850-6692

Mailing Address1221 Maple Grove LnRockville, MD 20850-6692 · (301) 947-7688

Phone(301) 947-7688

Sole ProprietorYes

Enumeration DateNovember 11, 2006

Last NPPES UpdateJuly 8, 2007

✔ NPI 1275604381 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySpecialist/Technologist, OtherTechnologists, Technicians & Other Technical Service Providers

Taxonomy Code246Z00000X

License✔ Licensed in MD · U01409

Definition

General classification identifying individuals trained on specific equipment and technical procedures in one of a collection of miscellaneous healthcare disciplines.

1221 MAPLE GROVE LN, Rockville, MD 20850

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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 Mary Duan's NPI number?

The NPI number for Mary Duan is 1275604381. It was assigned to this individual provider in the NPPES registry on November 11, 2006.

Where is Mary Duan located?

Mary Duan practices at 1221 Maple Grove Ln, Rockville, MD 20850. The listed phone number is (301) 947-7688.

What is Mary Duan's specialty?

The primary specialty registered for this NPI is Specialist/Technologist, Other with taxonomy code 246Z00000X.

When was this NPI record last updated?

The NPPES record for Mary Duan was last updated on July 8, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.