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

KATI A MASTERS CRNP
NPI 1083265318
Nurse Practitioner - Acute Care in Chambersburg, PA

Active since September 27, 2019PECOS EnrolledAccepts Medicare Assignment
601 NORLAND AVE, CHAMBERSBURG, PA 17201(717) 264-1600(717) 264-6319 Get Directions Write a Review

NPPES record last updated: October 6, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Oct 6, 2026, Nov 12, 2025, Aug 16, 2021 and 3 more (6 updates tracked since 2019).

About Kati A Masters Crnp NPPES

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

KATI A MASTERS CRNP (NPI 1083265318) is an individual acute care provider in Chambersburg, Pennsylvania, licensed in Pennsylvania (SP020988) and active in the NPI registry since September 2019. She is enrolled in Medicare PECOS, is affiliated with Wellspan Waynesboro Hospital, and maintains 7 additional practice locations.

NPPES Registry Identity

NPI1083265318
Entity TypeIndividualFemale
Primary Taxonomy363LA2100X
Provider Legal NameKATI A MASTERSCredential: CRNP
Location Address601 NORLAND AVEChambersburg, PA 17201-4235
Mailing Address601 Memory LnYork, PA 17402-2231 · (717) 851-1405 · Fax (717) 851-6969
Fax(717) 264-6319
Sole ProprietorNo
Medical School CMSOtherGraduated 2019
Enumeration DateSeptember 27, 2019
Last NPPES UpdateOctober 6, 20266 updates tracked since enumeration
NPPES CertifiedOctober 6, 2026
✔ NPI 1083265318 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyNurse Practitioner · Acute CarePhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LA2100X
License✔ Licensed in PA · SP020988
Also ListedRegistered NurseTaxonomy 163W00000X · License RN629480 (PA)
601 NORLAND AVE, Chambersburg, PA 17201

Secondary Practice Locations 7

Location 197 Progress BlvdShippensburg, PA 17257-9053 · Phone (717) 264-1600 · Fax (717) 264-6319
Location 2338 Alexander Spring RdCarlisle, PA 17015-9129 · Phone (717) 218-5103 · Fax (717) 303-3729
Location 3501 E Main StWaynesboro, PA 17268-2353 · Phone (717) 217-6944 · Fax (717) 303-3729
Location 422 St Paul DrChambersburg, PA 17201-1036 · Phone (717) 217-6944 · Fax (717) 303-3729
Location 51701 Innovation DrYork, PA 17408-8815 · Phone (717) 231-8772
Location 6601 E Main StWaynesboro, PA 17268-2332 · Phone (717) 264-1600 · Fax (717) 264-6319
Location 724 Antrim Commons DrGreencastle, PA 17225-1623 · Phone (717) 217-6944 · Fax (717) 303-3729

Other Identifiers 1

Other14552682Caqh

Accepted Insurance

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

Kati A Masters 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 ID648603316
PECOS Enrollment IDI20191211000245
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

4

Medicare enrollment records show Kati Masters reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Pediatric Urology
761 5TH AVE STE D
Chambersburg, PA 17201
  • Reassigned Medicare billing, Pennsylvania enrollment
  • 1,902 clinicians in this Medicare group
Internal Medicine
761 5TH AVE STE A
Chambersburg, PA 17201
  • Reassigned Medicare billing, Pennsylvania enrollment
  • 3,080 clinicians in this Medicare group
Family Medicine
1533 COMMERCE AVE STE 2
Carlisle, PA 17015
  • Reassigned Medicare billing, Pennsylvania enrollment
  • 468 clinicians in this Medicare group
Hospitalist
4300 LONDONDERRY RD
Harrisburg, PA 17109
  • Reassigned Medicare billing, Pennsylvania enrollment
  • 322 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.

Areas of Expertise CMS Part B claims 2

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Critical care, first 30-74 minutes 99291
Critical care involves immediate and constant attention by a team of specially-trained health professionals. It's for patients with life-threatening conditions, requiring first 30-74 minutes of intense monitoring and treatment.
143 services84 patients
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232
Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.
13 services11 patients

Hospital Affiliations CMS Care Compare 2

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

Wellspan Waynesboro Hospital

Acute Care Hospitals · Waynesboro, PA
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number390138
Location501 East Main StWaynesboro, PA 17268 · Franklin County
Emergency services

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 7

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

Nurse Practitioner (Acute Care)
601 NORLAND AVE
CHAMBERSBURG, PA 17201
Internal Medicine (Pulmonary Disease)
601 NORLAND AVE
CHAMBERSBURG, PA 17201
Internal Medicine (Pulmonary Disease)
601 NORLAND AVE
CHAMBERSBURG, PA 17201
Nurse Practitioner
601 NORLAND AVE
CHAMBERSBURG, PA 17201
Internal Medicine (Pulmonary Disease)
601 NORLAND AVE
CHAMBERSBURG, PA 17201
Internal Medicine (Critical Care Medicine)
601 NORLAND AVE
CHAMBERSBURG, PA 17201
Nurse Practitioner (Acute Care)
601 NORLAND 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 Kati Masters's NPI number?

The NPI number for Kati Masters is 1083265318. It was assigned to this individual provider in the NPPES registry on September 27, 2019.

Where is Kati Masters located?

Kati Masters practices at 601 Norland Ave, Chambersburg, PA 17201. The listed phone number is (717) 264-1600.

What is Kati Masters's specialty?

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

Is Kati Masters enrolled in Medicare?

Yes. Kati Masters 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 Kati Masters's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Kati Masters reassigns Medicare benefits to 4 organizations: Pinnacle Health Medical Services (Chambersburg, PA), Wellspan Medical Group (Chambersburg, PA), Pinnacle Health Regional Physicians (Carlisle, PA) and Pinnacle Health Hospitalist Services LLC (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 Kati Masters's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Kati Masters accept?

Health plans from Ambetter Health, Ambetter Health of Delaware and Ambetter from Buckeye Health Plan list Kati Masters 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 Kati Masters affiliated with any hospitals?

According to CMS data, Kati Masters is affiliated with Wellspan Waynesboro Hospital and Wellspan Chambersburg Hospital.

When was this NPI record last updated?

The NPPES record for Kati Masters was last updated on October 6, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.