1. Home
  2. Directory
  3. Pennsylvania
  4. Wynnewood
  5. Nurse Practitioner
  6. NPI Profile

GRETCHEN ZETTLEMOYER CRNP
NPI 1851720932
Nurse Practitioner - Acute Care in Wynnewood, PA

Active since November 08, 2013PECOS Enrolled
100 E LANCASTER AVE, HEART PAVILION, MEZZANINE, WYNNEWOOD, PA 19096(484) 476-1000(484) 476-9000 Get Directions Write a Review

NPPES record last updated: January 21, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Jan 21, 2026, Dec 12, 2016 (2 updates tracked since 2016).

About Gretchen Zettlemoyer Crnp NPPES

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

GRETCHEN ZETTLEMOYER CRNP (NPI 1851720932) is an individual acute care provider in Wynnewood, Pennsylvania, licensed in Pennsylvania (SP013283) and active in the NPI registry since November 2013. She is enrolled in Medicare PECOS and maintains a secondary practice location in Philadelphia.

NPPES Registry Identity

NPI1851720932
Entity TypeIndividualFemale
Primary Taxonomy363LA2100X
Provider Legal NameGRETCHEN ZETTLEMOYERCredential: CRNP
Location Address100 E LANCASTER AVE, HEART PAVILION, MEZZANINEWynnewood, PA 19096-3450
Mailing Address100 E Lancaster Ave, Heart Pavilion, MezzanineWynnewood, PA 19096-3450 · (484) 476-1000 · Fax (484) 476-9000
Phone(484) 476-1000
Fax(484) 476-9000
Sole ProprietorNo
Enumeration DateNovember 8, 2013
Last NPPES UpdateJanuary 21, 20262 updates tracked since enumeration
NPPES CertifiedJanuary 21, 2026
✔ NPI 1851720932 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · Acute CarePhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LA2100X
License✔ Licensed in PA · SP013283
100 E LANCASTER AVE, Wynnewood, PA 19096
Open in Google Maps ↗

Secondary Practice Location 1

Location 151 N 39th StPhiladelphia, PA 19104-2640 · Phone (215) 662-9595 · Fax (215) 243-3243

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Gretchen Zettlemoyer Crnp 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 Reassignments

2

Medicare enrollment records show Gretchen Zettlemoyer reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

University Of Penn-Medical Group
2.9 mi
Hospitalist
501 S 54TH ST
Philadelphia, PA 19143
  • Reassigned Medicare billing, Pennsylvania enrollment
  • 3,488 clinicians in this Medicare group
NPI 1992301196 (215) 748-9707
Main Line Healthcare
8.0 mi
Family Medicine
3803 WEST CHESTER PIKE, H BLDG SUITE 160
Newtown Square, PA 19073
  • Reassigned Medicare billing, Pennsylvania enrollment
  • 1,638 clinicians in this Medicare group
NPI 1922077643 (484) 337-1585

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

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 19096 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
$92.69 typical visit price
range $59.88 – $180.99
Typical copayment $23.17 (range $14.97 – $45.24)
Most-billed visit code 99203
Established Patient
$105.21 typical visit price
range $19.30 – $147.29
Typical copayment $26.30 (range $4.82 – $36.82)
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 20

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

DR. AKHNUWKH JONES M.D.
Internal Medicine
100 E LANCASTER AVE
WYNNEWOOD, PA 19096
Montgomery County (610) 645-2000
AMANDA B CHRISTINI MD
Internal Medicine
100 E LANCASTER AVE, 4 PAVILION, SUITE 4303
WYNNEWOOD, PA 19096
Montgomery County (484) 476-6421
LAI KWAN LOUIE RPH
Pharmacist
100 E LANCASTER AVE, SUITE #12
WYNNEWOOD, PA 19096
Montgomery County (610) 658-8640
DANIEL WANG MD
Internal Medicine
100 E LANCASTER AVE, 4 PAVILION STE 4303
WYNNEWOOD, PA 19096
Montgomery County (484) 476-6421
SARAH TYRRELL CRNA
Nurse Anesthetist, Certified Registered
100 E LANCASTER AVE
WYNNEWOOD, PA 19096
Montgomery County (610) 645-2000
MARGARET MACK
Student in an Organized Health Care Education/Training Program
100 E LANCASTER AVE
WYNNEWOOD, PA 19096
Montgomery County (610) 642-3796
XIAOLING YU MD
Hospitalist
100 E LANCASTER AVE
WYNNEWOOD, PA 19096
Montgomery County (484) 476-6421
JONATHAN HONGYI CHEN MD
Student in an Organized Health Care Education/Training Program
100 E LANCASTER AVE
WYNNEWOOD, PA 19096
Montgomery County (484) 476-2000

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 Gretchen Zettlemoyer's NPI number?

The NPI number for Gretchen Zettlemoyer is 1851720932. It was assigned to this individual provider in the NPPES registry on November 8, 2013.

Where is Gretchen Zettlemoyer located?

Gretchen Zettlemoyer practices at 100 E Lancaster Ave Heart Pavilion, Mezzanine, Wynnewood, PA 19096. The listed phone number is (484) 476-1000.

What is Gretchen Zettlemoyer's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Acute Care, with taxonomy code 363LA2100X.

Is Gretchen Zettlemoyer enrolled in Medicare?

Yes. Gretchen Zettlemoyer is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Gretchen Zettlemoyer's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Gretchen Zettlemoyer reassigns Medicare benefits to 2 organizations: University Of Penn-Medical Group (Philadelphia, PA) and Main Line Healthcare (Newtown Square, PA). Each 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 Gretchen Zettlemoyer'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 Gretchen Zettlemoyer was last updated on January 21, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.