DR. ANNA THERESA GARCES SIAO M.D.
NPI 1912285875
Pediatrics - Neonatal-Perinatal Medicine in Philadelphia, PA

Q: What is Anna Theresa Siao's NPI number?

The NPI number for Anna Theresa Siao is 1912285875. It was assigned to this individual provider in the NPPES registry on July 26, 2011.

Q: What is Anna Theresa Siao's specialty?

The primary specialty registered for this NPI is Pediatrics, specializing in Neonatal-Perinatal Medicine, with taxonomy code 2080N0001X.

Q: When was this NPI record last updated?

The NPPES record for Anna Theresa Siao was last updated on December 16, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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 July 26, 2011PECOS Enrolled

6712 RISING SUN AVE, PHILADELPHIA, PA 19111(215) 725-2105(215) 927-7939 Get Directions Write a Review

NPPES record last updated: December 16, 2021. Verified against the NPPES registry weekly; last sync: November 01, 2026.

On this page

About Dr. Anna Theresa Garces Siao M.d. NPPES

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

DR. ANNA THERESA GARCES SIAO M.D. (NPI 1912285875) is an individual neonatal-perinatal medicine provider in Philadelphia, Pennsylvania, licensed in Pennsylvania (MD452857) and active in the NPI registry since July 2011. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1912285875

Entity TypeIndividualFemale

Primary Taxonomy2080N0001X

Provider Legal NameDR. ANNA THERESA GARCES SIAOCredential: M.D.

Location Address6712 RISING SUN AVEPhiladelphia, PA 19111-4673

Mailing Address5501 Old York Rd, Korman Building-suite 202Philadelphia, PA 19141-3018 · (215) 254-2612 · Fax (215) 456-5926

Phone(215) 725-2105

Fax(215) 927-7939

Sole ProprietorNo

Enumeration DateJuly 26, 2011

Last NPPES UpdateDecember 16, 2021

✔ NPI 1912285875 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyPediatrics · Neonatal-Perinatal MedicineAllopathic & Osteopathic Physicians

Taxonomy Code2080N0001X

License✔ Licensed in PA · MD452857

Definition

A pediatrician who is the principal care provider for sick newborn infants. Clinical expertise is used for direct patient care and for consulting with obstetrical colleagues to plan for the care of mothers who have high-risk pregnancies.

Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X · License MT198631 (PA)

6712 RISING SUN AVE, Philadelphia, PA 19111

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Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Anna Theresa Garces Siao M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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 Anna Theresa Siao reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Permanente Medical Group Inc

2,462 mi

Internal Medicine

7373 WEST LANE
Stockton, CA 95210

Reassigned Medicare billing, California enrollment
20,078 clinicians in this Medicare group

NPI 1548343510 (209) 476-2000

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

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

ARMIN PORZIG DC L.L.C.

Chiropractor

6712 RISING SUN AVE, UNIT 4
PHILADELPHIA, PA 19111

Philadelphia County (215) 342-6900

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 Anna Theresa Siao's NPI number?

The NPI number for Anna Theresa Siao is 1912285875. It was assigned to this individual provider in the NPPES registry on July 26, 2011.

Where is Anna Theresa Siao located?

Anna Theresa Siao practices at 6712 Rising Sun Ave, Philadelphia, PA 19111. The listed phone number is (215) 725-2105.

What is Anna Theresa Siao's specialty?

The primary specialty registered for this NPI is Pediatrics, specializing in Neonatal-Perinatal Medicine, with taxonomy code 2080N0001X.

Is Anna Theresa Siao enrolled in Medicare?

Yes. Anna Theresa Siao is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Anna Theresa Siao's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Anna Theresa Siao reassigns Medicare benefits to Permanente Medical Group Inc (Stockton, CA). 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 Anna Theresa Siao'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 Anna Theresa Siao was last updated on December 16, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.