MRS. LISA ARDATH CASTRO ARNP
NPI 1245542323
Nurse Practitioner in Greeley, CO

Active since July 06, 2010PECOS EnrolledAccepts Medicare Assignment
7251 W 20TH ST UNIT K, GREELEY, CO 80634(970) 378-1414(970) 378-1515 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, Jan 6, 2026, Mar 3, 2025 and 1 more (4 updates tracked since 2018).

About Mrs. Lisa Ardath Castro Arnp NPPES

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

MRS. LISA ARDATH CASTRO ARNP (NPI 1245542323) is an individual nurse practitioner in Greeley, Colorado, licensed in Colorado (0105328) and active in the NPI registry since July 2010. She is enrolled in Medicare PECOS, is affiliated with Methodist Hospitals Of Memphis, and is a graduate of Other (2009).

NPPES Registry Identity

NPI1245542323
Entity TypeIndividualFemale
Primary Taxonomy363L00000X
Provider Legal NameMRS. LISA ARDATH CASTROCredential: ARNP
Location Address7251 W 20TH ST UNIT KGreeley, CO 80634-4626
Mailing Address7251 W 20th St Unit KGreeley, CO 80634-4626 · (970) 378-1414 · Fax (970) 378-1515
Fax(970) 378-1515
Sole ProprietorNo
Medical School CMSOtherGraduated 2009
Enumeration DateJuly 6, 2010
Last NPPES UpdateJanuary 21, 20264 updates tracked since enumeration
NPPES CertifiedJanuary 21, 2026
✔ NPI 1245542323 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363L00000X
Licenses✔ Licensed in CO · 0105328✔ Licensed in TN · 31391✔ Licensed in MS · 905746
Definition
(1) A registered nurse provider with a graduate degree in nursing prepared for advanced practice involving independent and interdependent decision making and direct accountability for clinical judgment across the health care continuum or in a certified specialty. (2) A registered nurse who has completed additional training beyond basic nursing education and who provides primary health care services in accordance with state nurse practice laws or statutes. Tasks performed by nurse practitioners vary with practice requirements mandated by geographic, political, economic, and social factors. Nurse practitioner specialists include, but are not limited to, family nurse practitioners, gerontological nurse practitioners, pediatric nurse practitioners, obstetric-gynecologic nurse practitioners, and school nurse practitioners.
7251 W 20TH ST UNIT K, Greeley, CO 80634

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

Mrs. Lisa Ardath Castro Arnp 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 ID2668506148
PECOS Enrollment IDI20251215003275
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 Lisa Castro reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Gastroenterology
3702 S TIMBERLINE RD
Fort Collins, CO 80525
  • Reassigned Medicare billing, Colorado enrollment
  • 67 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

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.

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.
28 services27 patients

Hospital Affiliations CMS Care Compare

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

Methodist Hospitals Of Memphis

Acute Care Hospitals · Memphis, TN
4/5 CMS rating
OwnershipVoluntary non-profit - Church
CMS Certification Number440049
Location1265 Union Ave Suite 700Memphis, TN 38104 · Shelby County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 80634 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
$89.43 typical visit price
range $58.06 – $174.82
Typical copayment $22.35 (range $14.51 – $43.70)
Most-billed visit code 99203
Established Patient
$102.03 typical visit price
range $18.88 – $142.79
Typical copayment $25.50 (range $4.72 – $35.69)
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 4

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

Internal Medicine (Gastroenterology)
7251 W 20TH ST UNIT K
GREELEY, CO 80634
Durable Medical Equipment & Medical Supplies
7251 W 20TH ST UNIT K
GREELEY, CO 80634
Internal Medicine (Gastroenterology)
7251 W 20TH ST UNIT K
GREELEY, CO 80634
Anesthesiology (Pain Medicine)
7251 W 20TH ST UNIT K
GREELEY, CO 80634

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 Lisa Castro's NPI number?

The NPI number for Lisa Castro is 1245542323. It was assigned to this individual provider in the NPPES registry on July 6, 2010.

Where is Lisa Castro located?

Lisa Castro practices at 7251 W 20th St Unit K, Greeley, CO 80634. The listed phone number is (970) 378-1414.

What is Lisa Castro's specialty?

The primary specialty registered for this NPI is Nurse Practitioner with taxonomy code 363L00000X.

Is Lisa Castro enrolled in Medicare?

Yes. Lisa Castro 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 Lisa Castro's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Lisa Castro reassigns Medicare benefits to Centers For Gastroenterology (Fort Collins, CO). 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 Lisa Castro's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Lisa Castro accept?

Health plans from CareSource and UnitedHealthcare list Lisa Castro 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 Lisa Castro affiliated with any hospitals?

According to CMS data, Lisa Castro is affiliated with Methodist Hospitals Of Memphis.

When was this NPI record last updated?

The NPPES record for Lisa Castro 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 8 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.