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SYDNEY GREENBERG FNP, APRN
NPI 1619646262
Nurse Practitioner - Family in Austin, TX

Active since September 08, 2021PECOS Enrolled
1705 E 11TH ST, AUSTIN, TX 78702(512) 978-8400(512) 901-9726 Get Directions Write a Review

NPPES record last updated: August 19, 2024. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Aug 19, 2024, Sep 8, 2021 (2 updates tracked since 2021).

About Sydney Greenberg Fnp, Aprn NPPES

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

SYDNEY GREENBERG FNP, APRN (NPI 1619646262) is an individual family provider in Austin, Texas, licensed in Texas (1166657) and active in the NPI registry since September 2021. She is enrolled in Medicare PECOS, is affiliated with Ascension Seton Medical Center Austin, and is a graduate of Other (2021).

NPPES Registry Identity

NPI1619646262
Entity TypeIndividualFemale
Primary Taxonomy363LF0000X
Provider Legal NameSYDNEY GREENBERGCredential: FNP, APRN
Location Address1705 E 11TH STAustin, TX 78702-2709
Mailing Address1705 E 11th StAustin, TX 78702-2709 · (512) 978-8400
Phone(512) 978-8400
Fax(512) 901-9726
Sole ProprietorNo
Medical School CMSOtherGraduated 2021
Enumeration DateSeptember 8, 2021
Last NPPES UpdateAugust 19, 20242 updates tracked since enumeration
NPPES CertifiedAugust 19, 2024
✔ NPI 1619646262 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · FamilyPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LF0000X
Licenses✔ Licensed in TX · 1166657✔ Licensed in VA · 0024182084
1705 E 11TH ST, Austin, TX 78702
Open in Google Maps ↗

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Arizona Complete Health, Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections and more.Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Sydney Greenberg Fnp, Aprn is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID3072978766
PECOS Enrollment IDI20251010002291
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 Sydney Greenberg reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Central Texas Community Health Centers
8.4 mi
Family Medicine
1210 W BRAKER LN
Austin, TX 78758
  • Reassigned Medicare billing, Texas enrollment
  • 240 clinicians in this Medicare group
NPI 1427882091 (512) 978-9800

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

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Ascension Seton Medical Center Austin

Acute Care Hospitals · Austin, TX
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number450056
Location1201 W 38th StAustin, TX 78705 · Travis County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 78702 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$89.03 typical visit price
range $57.88 – $174.00
Typical copayment $22.25 (range $14.47 – $43.50)
Most-billed visit code 99203
Established Patient
$101.65 typical visit price
range $18.88 – $142.23
Typical copayment $25.41 (range $4.72 – $35.55)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 10

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

MS. AVERY RENE PEREZ
Social Worker (Clinical)
1705 E 11TH ST
AUSTIN, TX 78702
Travis County (512) 978-8400
CHANTA GOSBY LCSW
Social Worker (Clinical)
1705 E 11TH ST
AUSTIN, TX 78702
Travis County (512) 978-8400
CENTRAL TEXAS COMMUNITY HEALTH CENTERS
Clinic/Center (Federally Qualified Health Center (FQHC))
1705 E 11TH ST
AUSTIN, TX 78702
Travis County (512) 978-8400
DR. TODD ALAN THACKER DO
Family Medicine
1705 E 11TH ST
AUSTIN, TX 78702
Travis County (512) 978-8400
MEETA BHALLA
Internal Medicine (Endocrinology, Diabetes & Metabolism)
1705 E 11TH ST
AUSTIN, TX 78702
Travis County (512) 978-8400
DR. ALBERTO CANTUA MD
Family Medicine
1705 E 11TH ST
AUSTIN, TX 78702
Travis County (512) 978-8400
MRS. MARY NICOLE EVERHART PA
Physician Assistant
1705 E 11TH ST
AUSTIN, TX 78702
Travis County (512) 978-8400
DR. KHOLA H DAR M.D.
Family Medicine
1705 E 11TH ST
AUSTIN, TX 78702
Travis County (512) 978-8400

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 Sydney Greenberg's NPI number?

The NPI number for Sydney Greenberg is 1619646262. It was assigned to this individual provider in the NPPES registry on September 8, 2021.

Where is Sydney Greenberg located?

Sydney Greenberg practices at 1705 E 11th St, Austin, TX 78702. The listed phone number is (512) 978-8400.

What is Sydney Greenberg's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.

Is Sydney Greenberg enrolled in Medicare?

Yes. Sydney Greenberg is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Sydney Greenberg's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Sydney Greenberg reassigns Medicare benefits to Central Texas Community Health Centers (Austin, TX). 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 Sydney Greenberg's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Sydney Greenberg accept?

Health plans from Ambetter from Arizona Complete Health, Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections, Ambetter from Superior HealthPlan and Ambetter of Oklahoma and 3 other insurers list Sydney Greenberg as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Sydney Greenberg affiliated with any hospitals?

According to CMS data, Sydney Greenberg is affiliated with Ascension Seton Medical Center Austin.

When was this NPI record last updated?

The NPPES record for Sydney Greenberg was last updated on August 19, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.