NATHANIEL GREENWOOD D.O.
NPI 1770798563
Emergency Medicine in Cedar Park, TX

Active since May 14, 2007PECOS Enrolled
3620 E WHITESTONE BLVD, CEDAR PARK, TX 78613(512) 260-2732 Get Directions Write a Review

NPPES record last updated: March 25, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Mar 25, 2026, Jan 20, 2026 (2 updates tracked since 2026).

About Nathaniel Greenwood D.o. NPPES

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

NATHANIEL GREENWOOD D.O. (NPI 1770798563) is an individual emergency medicine provider in Cedar Park, Texas, licensed in Texas (P2863) and active in the NPI registry since May 2007. He is enrolled in Medicare PECOS, maintains a secondary practice location in Omaha, and is a graduate of Pennsylvania State University College Of Medicine (2008).

NPPES Registry Identity

NPI1770798563
Entity TypeIndividualMale
Primary Taxonomy207P00000X
Provider Legal NameNATHANIEL GREENWOODCredential: D.O.
Location Address3620 E WHITESTONE BLVDCedar Park, TX 78613-7441
Mailing Address3620 E Whitestone BlvdCedar Park, TX 78613-7441 · (512) 260-2732
Sole ProprietorNo
Medical School CMSPennsylvania State University College Of MedicineGraduated 2008
Enumeration DateMay 14, 2007
Last NPPES UpdateMarch 25, 20262 updates tracked since enumeration
NPPES CertifiedMarch 25, 2026
NPI 1770798563 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyEmergency MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207P00000X
Licenses Licensed in TX · P2863 Licensed in PA · OT011248 Licensed in NE · 2008
Definition
An emergency physician focuses on the immediate decision making and action necessary to prevent death or any further disability both in the pre-hospital setting by directing emergency medical technicians and in the emergency department. The emergency physician provides immediate recognition, evaluation, care, stabilization and disposition of a generally diversified population of adult and pediatric patients in response to acute illness and injury.
Also ListedGeneral PracticeTaxonomy 208D00000X · License 2008 (NE)
3620 E WHITESTONE BLVD, Cedar Park, TX 78613

Secondary Practice Location 1

Location 114404 Stoney Brook BlvdOmaha, NE 68137-2613 · Phone (512) 506-8503

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare (PECOS)

Nathaniel Greenwood D.o. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID7719043207
PECOS Enrollment IDI20120620000141
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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 78613 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
$84.92 typical visit price
range $54.84 – $166.88
Typical copayment $21.23 (range $13.71 – $41.72)
Most-billed visit code 99203
Established Patient
$97.05 typical visit price
range $17.52 – $136.11
Typical copayment $24.26 (range $4.38 – $34.02)
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 7

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

Nurse Practitioner (Family)
3620 E WHITESTONE BLVD
CEDAR PARK, TX 78613
Clinic/Center (Emergency Care)
3620 E WHITESTONE BLVD
CEDAR PARK, TX 78613
Emergency Medicine
3620 E WHITESTONE BLVD
CEDAR PARK, TX 78613
Nurse Practitioner
3620 E WHITESTONE BLVD
CEDAR PARK, TX 78613
Pathology (Clinical Laboratory Director, Non-physician)
3620 E WHITESTONE BLVD
CEDAR PARK, TX 78613
Clinic/Center (Emergency Care)
3620 E WHITESTONE BLVD
CEDAR PARK, TX 78613
Registered Nurse
3620 E WHITESTONE BLVD
CEDAR PARK, TX 78613

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 Nathaniel Greenwood's NPI number?

The NPI number for Nathaniel Greenwood is 1770798563. It was assigned to this individual provider in the NPPES registry on May 14, 2007.

Where is Nathaniel Greenwood located?

Nathaniel Greenwood practices at 3620 E Whitestone Blvd, Cedar Park, TX 78613. The listed phone number is (512) 260-2732.

What is Nathaniel Greenwood's specialty?

The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.

Is Nathaniel Greenwood enrolled in Medicare?

Yes. Nathaniel Greenwood is registered in the Medicare PECOS enrollment system.

What insurance does Nathaniel Greenwood accept?

Health plans from Blue Cross and Blue Shield of Texas list Nathaniel Greenwood 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.

When was this NPI record last updated?

The NPPES record for Nathaniel Greenwood was last updated on March 25, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 months 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.