MR. ALEXANDER TAN VILLACASTIN ARNP
NPI 1174720619
Nurse Practitioner - Adult Health in Citrus Springs, FL

Q: What is Alexander Villacastin's NPI number?

The NPI number for Alexander Villacastin is 1174720619. It was assigned to this individual provider in the NPPES registry on June 28, 2007.

Q: What is Alexander Villacastin's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Adult Health, with taxonomy code 363LA2200X.

Active since June 28, 2007PECOS Enrolled

10489 N FLORIDA AVE, CITRUS SPRINGS, FL 34434(352) 489-2486(352) 489-5786 Get Directions Write a Review

NPPES record last updated: October 17, 2016. Verified against the NPPES registry weekly; last sync: November 01, 2026.

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About Mr. Alexander Tan Villacastin Arnp NPPES

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

MR. ALEXANDER TAN VILLACASTIN ARNP (NPI 1174720619) is an individual adult health provider in Citrus Springs, Florida, licensed in Florida (ARNP2986862) and active in the NPI registry since June 2007. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1174720619

Entity TypeIndividualMale

Primary Taxonomy363LA2200X

Provider Legal NameMR. ALEXANDER TAN VILLACASTINCredential: ARNP

Location Address10489 N FLORIDA AVECitrus Springs, FL 34434-3268

Mailing Address10489 N Florida AveCitrus Springs, FL 34434-3268 · (352) 382-8282

Phone(352) 489-2486

Fax(352) 489-5786

Sole ProprietorYes

Enumeration DateJune 28, 2007

Last NPPES UpdateOctober 17, 2016

✔ NPI 1174720619 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · Adult HealthPhysician Assistants & Advanced Practice Nursing Providers

Taxonomy Code363LA2200X

License✔ Licensed in FL · ARNP2986862

10489 N FLORIDA AVE, Citrus Springs, FL 34434

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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Oscar Health Maintenance Organization of Florida.Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Mr. Alexander Tan Villacastin Arnp 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 Reassignment

Medicare enrollment records show Alexander Villacastin reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

West Florida Medical Associates P A

6.3 mi

Internal Medicine

3404 C N LECANTO HWY
Beverly Hills, FL 34465

Reassigned Medicare billing, Florida enrollment
Medicare enrollment name: West Florida Medical Associates, PA
64 clinicians in this Medicare group

NPI 1265515001 (352) 746-1558

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 34434 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

$87.62 typical visit price

range $56.00 – $171.84

Typical copayment $21.90 (range $14.00 – $42.96)

Most-billed visit code 99203

Established Patient

$99.16 typical visit price

range $17.57 – $139.16

Typical copayment $24.79 (range $4.39 – $34.79)

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.

Referred Medical Equipment & Supplies CMS DME claims 4

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Blood glucose test or reagent strips for home blood glucose monitor, per 50 strips A4253

DME-Other DME · category DE017N

4 suppliers11 claims35 services$6.61 avg. paid by Medicare

Lancets, per box of 100 A4259

DME-Medical/Surgical Supplies · category DA000N

4 suppliers11 claims11 services$1.13 avg. paid by Medicare

Portable gaseous oxygen system, rental; includes portable container, regulator, flowmeter, humidifier, cannula or mask, and tubing E0431

DME-Oxygen and Supplies · category DC000N

1 supplier12 claims12 services$13.62 avg. paid by Medicare

Oxygen concentrator, single delivery port, capable of delivering 85 percent or greater oxygen concentration at the prescribed flow rate E1390

DME-Oxygen and Supplies · category DC002N

2 suppliers15 claims15 services$60.82 avg. paid by Medicare

Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Other Providers at the Same Location NPPES 9

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

MRS. SHEILA MALTO VILLACASTIN ARNP

Nurse Practitioner (Adult Health)