DR. ALEX TAN VILLACASTIN M.D.
NPI 1194827097
Internal Medicine in Citrus Springs, FL

Active since September 01, 2006PECOS EnrolledAccepts Medicare Assignment
10489 N FLORIDA AVE, CITRUS SPRINGS, FL 34434(352) 489-2486(352) 489-5786 Get Directions Write a Review

NPPES record last updated: December 29, 2014. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Dr. Alex Tan Villacastin M.d. NPPES

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

DR. ALEX TAN VILLACASTIN M.D. (NPI 1194827097) is an individual internal medicine provider in Citrus Springs, Florida, licensed in Florida (ME071085) and active in the NPI registry since September 2006. He is enrolled in Medicare PECOS, is affiliated with Hca Florida Citrus Hospital, and is a graduate of Other (1991).

NPPES Registry Identity

NPI1194827097
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameDR. ALEX TAN VILLACASTINCredential: M.D.
Location Address10489 N FLORIDA AVECitrus Springs, FL 34434-3268
Mailing Address10489 N Florida AveCitrus Springs, FL 34434-3268 · (352) 489-2486 · Fax (352) 489-5786
Fax(352) 489-5786
Sole ProprietorYes
Medical School CMSOtherGraduated 1991
Enumeration DateSeptember 1, 2006
Last NPPES UpdateDecember 29, 2014
NPI 1194827097 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License Licensed in FL · ME071085
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
10489 N FLORIDA AVE, Citrus Springs, FL 34434

Other Identifiers 6

Other32745Blue Cross Blue Shield
Medicare UPING55324
Other225194Avmed
Other593411454Humana
Medicare ID-Type Unspecified103957FL
Medicaid25180660FL

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Dr. Alex Tan Villacastin M.d. 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 ID9830008341
PECOS Enrollment IDI20100422000217
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.

Areas of Expertise CMS Part B claims 35

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 nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes 99309
A follow-up nursing facility visit per day is a daily check-in by a healthcare professional. This 25-minute visit typically involves monitoring your health progress, addressing any concerns, and adjusting treatment plans as necessary. It's a vital part of ensuring your ongoing wellbeing.
1,268 services269 patients
Insertion of needle into vein for collection of blood sample 36415
This procedure involves inserting a small needle into a vein, typically in your arm, to collect a blood sample. It's a quick and simple process to help diagnose or monitor health conditions. You may feel a small prick, but discomfort is minimal.
670 services416 patients
Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
322 services134 patients
Residence visit for established patient with low level of medical decision making, per day, if using time, at least 30 minutes 99348
An established patient home visit is a 25-minute appointment where a healthcare provider visits you at your home. This service is for patients who have previously been seen by the provider. It includes a check-up and discussion about your health concerns.
319 services55 patients
Urinalysis, manual test 81002
A urinalysis is a simple, non-invasive test that checks the urine for various elements such as sugar, protein, and signs of infection. It can help detect many common conditions, including kidney disease and diabetes. The manual test involves a lab technician examining a urine sample.
317 services220 patients
Detection test by immunoassay technique for severe acute respiratory syndrome coronavirus and influenza 87428
This test uses a method called immunoassay to identify severe acute respiratory syndrome coronavirus and influenza. It works by detecting specific proteins (antigens) in a sample, like a nasal swab. It's a powerful tool in diagnosing these viral infections.
239 services197 patients

Hospital Affiliations CMS Care Compare 2

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

Hca Florida Citrus Hospital

Acute Care Hospitals · Inverness, FL
2/5 CMS rating
OwnershipGovernment - Hospital District or Authority
CMS Certification Number100023
Location502 W Highland BlvdInverness, FL 34452 · Citrus County
Emergency services Birthing friendly

Tampa General Hospital Crystal River

Acute Care Hospitals · Crystal River, FL
1/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number100249
Location6201 N Suncoast BlvdCrystal River, FL 34428 · Citrus County

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
$130.04 typical visit price
range $56.00 – $171.84
Typical copayment $32.51 (range $14.00 – $42.96)
Most-billed visit code 99204
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.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

Reported Quality Measures

Preventive Care and Screening: Body Mass Index (BMI) Screening and Follow-Up Plan
Percentage of patients aged 18 years and older with a BMI documented during the current encounter or during the previous twelve months AND with a BMI outside of normal parameters, a follow-up plan is documented during the encounter or during the previous…
100%243 patients5/55-star benchmark: 100%
Providers report different measures because they deliver different services; reporting more or less information is not a reflection of quality. Star ratings appear only where CMS assigned them.

Referred Medical Equipment & Supplies CMS DME claims 30

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
23 suppliers81 claims269 services$6.29 avg. paid by Medicare
Lancets, per box of 100 A4259
DME-Medical/Surgical Supplies · category DA000N
20 suppliers30 claims52 services$1.08 avg. paid by Medicare
Full face mask used with positive airway pressure device, each A7030
DME-Other DME · category DE001N
5 suppliers30 claims30 services$84.49 avg. paid by Medicare
Face mask interface, replacement for full face mask, each A7031
DME-Other DME · category DE001N
5 suppliers26 claims66 services$33.26 avg. paid by Medicare
Cushion for use on nasal mask interface, replacement only, each A7032
DME-Other DME · category DE001N
3 suppliers17 claims90 services$19.39 avg. paid by Medicare
Pillow for use on nasal cannula type interface, replacement only, pair A7033
DME-Other DME · category DE001N
3 suppliers15 claims82 services$14.38 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.

Nurse Practitioner (Adult Health)
10489 N FLORIDA AVE
CITRUS SPRINGS, FL 34434
Nurse Practitioner (Adult Health)
10489 N FLORIDA AVE
CITRUS SPRINGS, FL 34434
Physician Assistant
10489 N FLORIDA AVE
CITRUS SPRINGS, FL 34434
Nurse Practitioner (Family)
10489 N FLORIDA AVE
CITRUS SPRINGS, FL 34434
Family Medicine
10489 N FLORIDA AVE
CITRUS SPRINGS, FL 34434
Clinic/Center (Rural Health)
10489 N FLORIDA AVE
CITRUS SPRINGS, FL 34434
Physician Assistant
10489 N FLORIDA AVE
CITRUS SPRINGS, FL 34434
Nurse Practitioner (Family)
10489 N FLORIDA AVE
CITRUS SPRINGS, FL 34434

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 Alex Villacastin's NPI number?

The NPI number for Alex Villacastin is 1194827097. It was assigned to this individual provider in the NPPES registry on September 1, 2006.

Where is Alex Villacastin located?

Alex Villacastin practices at 10489 N Florida Ave, Citrus Springs, FL 34434. The listed phone number is (352) 489-2486.

What is Alex Villacastin's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Alex Villacastin enrolled in Medicare?

Yes. Alex Villacastin 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.

What insurance does Alex Villacastin accept?

Health plans from Ambetter Health, Ambetter of Alabama, AvMed, Florida Blue (BlueCross BlueShield FL) and Florida Blue HMO (a BlueCross BlueShield FL company) and 2 other insurers list Alex Villacastin 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 Alex Villacastin affiliated with any hospitals?

According to CMS data, Alex Villacastin is affiliated with Hca Florida Citrus Hospital and Tampa General Hospital Crystal River.

When was this NPI record last updated?

The NPPES record for Alex Villacastin was last updated on December 29, 2014. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 years 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.