DR. CHRISTINA Y AHN MD FACS
NPI 1780734244
Specialist in New York, NY

Q: What is Christina Ahn's NPI number?

The NPI number for Christina Ahn is 1780734244. It was assigned to this individual provider in the NPPES registry on January 10, 2007.

Q: What is Christina Ahn's specialty?

The primary specialty registered for this NPI is Specialist with taxonomy code 174400000X.

Q: Is Christina Ahn enrolled in Medicare?

No. Christina Ahn has opted out of Medicare through September 23, 2027. 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 Christina Ahn was last updated on January 29, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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 January 10, 2007Opted out of Medicare · through Sep 23, 2027

530 EAST 72ND ST, GROUND FLOOR, NEW YORK, NY 10021(212) 717-8860(855) 975-0662 Get Directions Write a Review

NPPES record last updated: January 29, 2021. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Jan 29, 2021, Jan 6, 2021, Sep 24, 2020 (3 updates tracked since 2020).

On this page

About Dr. Christina Y Ahn Md Facs NPPES

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

DR. CHRISTINA Y AHN MD FACS (NPI 1780734244) is an individual specialist in New York, New York, licensed in New York (160844) and active in the NPI registry since January 2007. She has opted out of Medicare through September 23, 2027 and remains eligible to order and refer.

NPPES Registry Identity

NPI1780734244

Entity TypeIndividualFemale

Primary Taxonomy174400000X

Provider Legal NameDR. CHRISTINA Y AHNCredential: MD FACS

Location Address530 EAST 72ND ST, GROUND FLOORNew York, NY 10021

Mailing Address530 East 72nd St, Ground FloorNew York, NY 10021 · (212) 717-8860 · Fax (855) 975-0662

Phone(212) 717-8860

Fax(855) 975-0662

Sole ProprietorYes

Enumeration DateJanuary 10, 2007

Last NPPES UpdateJanuary 29, 20213 updates tracked since enumeration

NPPES CertifiedJanuary 29, 2021

✔ NPI 1780734244 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySpecialistOther Service Providers

Taxonomy Code174400000X

License✔ Licensed in NY · 160844

Definition

An individual educated and trained in an applied knowledge discipline used in the performance of work at a level requiring knowledge and skills beyond or apart from that provided by a general education or liberal arts degree.

530 EAST 72ND ST, New York, NY 10021

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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. Christina Y Ahn Md Facs 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 September 23, 2019 through September 23, 2027.

Opt-Out Effective DateSeptember 23, 2019

Opt-Out In Effect ThroughSeptember 23, 2027Opt-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.

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 Christina Ahn's NPI number?

The NPI number for Christina Ahn is 1780734244. It was assigned to this individual provider in the NPPES registry on January 10, 2007.

Where is Christina Ahn located?

Christina Ahn practices at 530 East 72nd St Ground Floor, New York, NY 10021. The listed phone number is (212) 717-8860.

What is Christina Ahn's specialty?

The primary specialty registered for this NPI is Specialist with taxonomy code 174400000X.

Is Christina Ahn enrolled in Medicare?

No. Christina Ahn has opted out of Medicare through September 23, 2027. 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 Christina Ahn was last updated on January 29, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.