MS. AMY HOUSTON MULLIS CRNP
NPI 1376152553
Nurse Practitioner - Gerontology in Chambersburg, PA

Active since July 23, 2020PECOS EnrolledAccepts Medicare Assignment
2055 SCOTLAND AVE, CHAMBERSBURG, PA 17201(717) 217-4253(717) 217-2901 Get Directions Write a Review

NPPES record last updated: January 19, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Jan 19, 2026, Jun 27, 2025, Apr 7, 2023 and 3 more (6 updates tracked since 2020).

About Ms. Amy Houston Mullis Crnp NPPES

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

MS. AMY HOUSTON MULLIS CRNP (NPI 1376152553) is an individual gerontology provider in Chambersburg, Pennsylvania, licensed in Pennsylvania (SP022250) and active in the NPI registry since July 2020. She is enrolled in Medicare PECOS, is affiliated with Gettysburg Hospital, and maintains 4 additional practice locations.

NPPES Registry Identity

NPI1376152553
Entity TypeIndividualFemale
Primary Taxonomy363LG0600X
Provider Legal NameMS. AMY HOUSTON MULLISCredential: CRNP
Location Address2055 SCOTLAND AVEChambersburg, PA 17201-1451
Mailing Address601 Memory LnYork, PA 17402-2231 · (717) 851-1405 · Fax (717) 851-6969
Fax(717) 217-2901
Sole ProprietorNo
Medical School CMSOtherGraduated 2020
Enumeration DateJuly 23, 2020
Last NPPES UpdateJanuary 19, 20266 updates tracked since enumeration
NPPES CertifiedJanuary 19, 2026
✔ NPI 1376152553 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyNurse Practitioner · GerontologyPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LG0600X
License✔ Licensed in PA · SP022250
Also ListedNurse PractitionerTaxonomy 363L00000X · License SP022250 (PA)
Also ListedNurse Practitioner · Primary CareTaxonomy 363LP2300X · License SP022250 (PA)
2055 SCOTLAND AVE, Chambersburg, PA 17201

Other Names 1

Other Name (5)Amy Houston Mullis

Secondary Practice Locations 4

Location 1600 Office Center Dr Bldg 600Fort Washington, PA 19034-3293 · Phone (717) 316-2163 · Fax (570) 271-6578
Location 2112 N 7th StChambersburg, PA 17201-1720 · Phone (717) 262-4546
Location 3100 N Academy AveDanville, PA 17822-9800 · Phone (570) 850-3851
Location 4601 E Main StWaynesboro, PA 17268-2332 · Phone (717) 262-4546

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Ms. Amy Houston Mullis Crnp is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID8325465131
PECOS Enrollment IDI20200825002141
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 Amy Mullis reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Internal Medicine
2055 SCOTLAND AVE
Chambersburg, PA 17201
  • Reassigned Medicare billing, Pennsylvania enrollment
  • 143 clinicians in this Medicare group

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 2

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

Gettysburg Hospital

Acute Care Hospitals · Gettysburg, PA
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number390065
Location147 Gettys StreetGettysburg, PA 17325 · Adams County
Emergency services Birthing friendly

Wellspan Chambersburg Hospital

Acute Care Hospitals · Chambersburg, PA
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number390151
Location112 North Seventh StreetChambersburg, PA 17201 · Franklin County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 17201 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
$84.88 typical visit price
range $54.64 – $166.87
Typical copayment $21.22 (range $13.66 – $41.71)
Most-billed visit code 99203
Established Patient
$96.82 typical visit price
range $17.33 – $135.84
Typical copayment $24.20 (range $4.33 – $33.96)
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 18

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

Internal Medicine
2055 SCOTLAND AVE
CHAMBERSBURG, PA 17201
Internal Medicine
2055 SCOTLAND AVE
CHAMBERSBURG, PA 17201
Nurse Practitioner (Gerontology)
2055 SCOTLAND AVE
CHAMBERSBURG, PA 17201
Nurse Practitioner (Adult Health)
2055 SCOTLAND AVE
CHAMBERSBURG, PA 17201
Nurse Practitioner (Gerontology)
2055 SCOTLAND AVE
CHAMBERSBURG, PA 17201
Internal Medicine
2055 SCOTLAND AVE
CHAMBERSBURG, PA 17201
Internal Medicine
2055 SCOTLAND AVE
CHAMBERSBURG, PA 17201
Nurse Practitioner (Family)
2055 SCOTLAND AVE
CHAMBERSBURG, PA 17201

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 Amy Mullis's NPI number?

The NPI number for Amy Mullis is 1376152553. It was assigned to this individual provider in the NPPES registry on July 23, 2020. The provider is also known as Amy Houston Mullis.

Where is Amy Mullis located?

Amy Mullis practices at 2055 Scotland Ave, Chambersburg, PA 17201. The listed phone number is (717) 217-4253.

What is Amy Mullis's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Gerontology, with taxonomy code 363LG0600X.

Is Amy Mullis enrolled in Medicare?

Yes. Amy Mullis is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organization bills Medicare for Amy Mullis's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Amy Mullis reassigns Medicare benefits to Good Samaritan Physician Services (Chambersburg, PA). 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 Amy Mullis's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

Is Amy Mullis affiliated with any hospitals?

According to CMS data, Amy Mullis is affiliated with Gettysburg Hospital and Wellspan Chambersburg Hospital.

When was this NPI record last updated?

The NPPES record for Amy Mullis was last updated on January 19, 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.