Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

MS. LAURISSA RAE ASH CRNP
NPI 1508234790
Nurse Practitioner - Gerontology in Harrisburg, PA

Active since September 04, 2015PECOS EnrolledAccepts Medicare Assignment
4000 LINGLESTOWN RD, HARRISBURG, PA 17112(717) 231-8508(717) 231-8535 Get Directions Write a Review

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

Record update history: Sep 18, 2026, Mar 19, 2025, Jul 19, 2021 and 4 more (7 updates tracked since 2015).

About Ms. Laurissa Rae Ash Crnp NPPES

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

MS. LAURISSA RAE ASH CRNP (NPI 1508234790) is an individual gerontology provider in Harrisburg, Pennsylvania, licensed in Pennsylvania (SP015317) and active in the NPI registry since September 2015. She is enrolled in Medicare PECOS and is a graduate of Other (2015).

NPPES Registry Identity

NPI1508234790
Entity TypeIndividualFemale
Primary Taxonomy363LG0600X
Provider Legal NameMS. LAURISSA RAE ASHCredential: CRNP
Location Address4000 LINGLESTOWN RDHarrisburg, PA 17112-1017
Mailing Address409 S 2nd St Ste 2cHarrisburg, PA 17104-1612 · (717) 231-8867 · Fax (717) 221-5219
Fax(717) 231-8535
Sole ProprietorNo
Medical School CMSOtherGraduated 2015
Enumeration DateSeptember 4, 2015
Last NPPES UpdateSeptember 18, 20267 updates tracked since enumeration
NPPES CertifiedSeptember 18, 2026
✔ NPI 1508234790 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyNurse Practitioner · GerontologyPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LG0600X
License✔ Licensed in PA · SP015317
Also ListedNurse Practitioner · Adult HealthTaxonomy 363LA2200X · License SP015317 (PA)
4000 LINGLESTOWN RD, Harrisburg, PA 17112

Other Identifiers 1

Medicaid103045911PA

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. Laurissa Rae Ash 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 ID5092024075
PECOS Enrollment IDI20151013001805
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 Laurissa Ash reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Hospice and Palliative Medicine
4000 LINGLESTOWN RD
Harrisburg, PA 17112
  • Reassigned Medicare billing, Pennsylvania enrollment
  • 1,902 clinicians in this Medicare group
Internal Medicine
409 S 2ND ST, SUITE 2F
Harrisburg, PA 17104
  • Reassigned Medicare billing, Pennsylvania enrollment
  • 468 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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 17112 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 20

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

Nurse Practitioner
4000 LINGLESTOWN RD
HARRISBURG, PA 17112
Speech-Language Pathologist
4000 LINGLESTOWN RD
HARRISBURG, PA 17112
Internal Medicine (Geriatric Medicine)
4000 LINGLESTOWN RD
HARRISBURG, PA 17112
Physical Therapy Assistant
4000 LINGLESTOWN RD
HARRISBURG, PA 17112
Physician Assistant
4000 LINGLESTOWN RD
HARRISBURG, PA 17112
Internal Medicine
4000 LINGLESTOWN RD
HARRISBURG, PA 17112
Nurse Practitioner (Primary Care)
4000 LINGLESTOWN RD
HARRISBURG, PA 17112
Family Medicine (Hospice and Palliative Medicine)
4000 LINGLESTOWN RD
HARRISBURG, PA 17112

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 Laurissa Ash's NPI number?

The NPI number for Laurissa Ash is 1508234790. It was assigned to this individual provider in the NPPES registry on September 4, 2015.

Where is Laurissa Ash located?

Laurissa Ash practices at 4000 Linglestown Rd, Harrisburg, PA 17112. The listed phone number is (717) 231-8508.

What is Laurissa Ash's specialty?

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

Is Laurissa Ash enrolled in Medicare?

Yes. Laurissa Ash 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 organizations bill Medicare for Laurissa Ash's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Laurissa Ash reassigns Medicare benefits to 2 organizations: Pinnacle Health Medical Services (Harrisburg, PA) and Pinnacle Health Regional Physicians (Harrisburg, 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 Laurissa Ash'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 Laurissa Ash was last updated on September 18, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 34 days 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.