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RALPH VILLARAN M.D.
NPI 1699858985
Internal Medicine - Infectious Disease in Highland, IN

Active since October 23, 2006PECOS EnrolledAccepts Medicare Assignment
79.98/100
CMS Quality Rating
9143 INDIANAPOLIS BLVD, HIGHLAND, IN 46322(219) 972-1547 Get Directions Write a Review

NPPES record last updated: September 13, 2012. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About Ralph Villaran M.d. NPPES

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

RALPH VILLARAN M.D. (NPI 1699858985) is an individual infectious disease provider in Highland, Indiana, licensed in Illinois (036111376) and active in the NPI registry since October 2006. He is enrolled in Medicare PECOS, is affiliated with Northwestern Medicine Central Dupage Hospital, and is a graduate of Other (1999).

NPPES Registry Identity

NPI1699858985
Entity TypeIndividualMale
Primary Taxonomy207RI0200X
Provider Legal NameRALPH VILLARANCredential: M.D.
Location Address9143 INDIANAPOLIS BLVDHighland, IN 46322-2504
Mailing Address9201 Calumet AveMunster, IN 46321-2807 · (219) 836-2022
Phone(219) 972-1547
Sole ProprietorNo
Medical School CMSOtherGraduated 1999
Enumeration DateOctober 23, 2006
Last NPPES UpdateSeptember 13, 2012
✔ NPI 1699858985 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Infectious DiseaseAllopathic & Osteopathic Physicians
Taxonomy Code207RI0200X
License✔ Licensed in IL · 036111376
Definition
An internist who deals with infectious diseases of all types and in all organ systems. Conditions requiring selective use of antibiotics call for this special skill. This physician often diagnoses and treats AIDS patients and patients with fevers which have not been explained. Infectious disease specialists may also have expertise in preventive medicine and travel medicine.
9143 INDIANAPOLIS BLVD, Highland, IN 46322
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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Anthem Blue Cross and Blue Shield, CareSource.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

Ralph Villaran 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 ID840392411
PECOS Enrollment IDI20070228000327
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 Ralph Villaran reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Infectious Disease Specialists PC
9.3 mi
Infectious Disease
200 E 86TH PL
Merrillville, IN 46410
  • Reassigned Medicare billing, Indiana enrollment
  • 13 clinicians in this Medicare group
NPI 1245217215 (219) 972-1547

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 5

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.
3,013 services703 patients
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 99222
Initial hospital inpatient care is a service where a healthcare provider spends about 50 minutes per day overseeing your care while you're admitted in the hospital. This includes reviewing your health status, planning your treatment, and ensuring your safety and comfort.
395 services337 patients
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233
Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.
155 services89 patients
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223
Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.
95 services88 patients
Refilling and maintenance of portable pump 96521
Refilling and maintenance of a portable pump involves replenishing the medication contained within the pump and ensuring its functionality. This process includes checking battery life, inspecting for damages, and cleaning the device for optimal performance. It's essential to maintain a clean, functional pump for effective treatment.
77 services11 patients

Hospital Affiliations CMS Care Compare 5

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

Northwestern Medicine Central Dupage Hospital

Acute Care Hospitals · Winfield, IL
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number140242
Location25 North Winfield RoadWinfield, IL 60190 · Du Page County
Emergency services Birthing friendly

Methodist Hospitals Inc

Acute Care Hospitals · Gary, IN
1/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number150002
Location600 Grant StGary, IN 46402 · Lake County
Emergency services Birthing friendly

St Mary Medical Center Inc

Acute Care Hospitals · Hobart, IN
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number150034
Location1500 S Lake Park AveHobart, IN 46342 · Lake County
Emergency services Birthing friendly

Northwest Health - Porter

Acute Care Hospitals · Valparaiso, IN
3/5 CMS rating
OwnershipProprietary
CMS Certification Number150035
Location85 East Us Hwy 6Valparaiso, IN 46383 · Porter County
Emergency services Birthing friendly

Community Hospital

Acute Care Hospitals · Munster, IN
2/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number150125
Location901 Macarthur BlvdMunster, IN 46321 · Lake County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 46322 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
$122.49 typical visit price
range $53.07 – $161.76
Typical copayment $30.62 (range $13.26 – $40.44)
Most-billed visit code 99204
Established Patient
$94.22 typical visit price
range $16.93 – $132.22
Typical copayment $23.55 (range $4.23 – $33.05)
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.

79.98/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality65.03
Improvement Activities40
Cost46.55

Other Providers at the Same Location NPPES 5

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

JODI L. BOLING CNS
Clinical Nurse Specialist
9143 INDIANAPOLIS BLVD
HIGHLAND, IN 46322
Lake County (219) 972-1547
THOMAS K. SLEWEON M.D.
Internal Medicine (Infectious Disease)
9143 INDIANAPOLIS BLVD
HIGHLAND, IN 46322
Lake County (219) 972-1547
KIMBERLY K. OPPMAN
Nurse Practitioner (Family)
9143 INDIANAPOLIS BLVD, SUITE 100
HIGHLAND, IN 46322
Lake County (219) 972-1547
GINA ROSE BRUSCIANELLI PA-C
Physician Assistant
9143 INDIANAPOLIS BLVD
HIGHLAND, IN 46322
Lake County (219) 972-1547
RICHARD YU M.D.
Internal Medicine (Infectious Disease)
9143 INDIANAPOLIS BLVD
HIGHLAND, IN 46322
Lake County (219) 972-1547

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 Ralph Villaran's NPI number?

The NPI number for Ralph Villaran is 1699858985. It was assigned to this individual provider in the NPPES registry on October 23, 2006.

Where is Ralph Villaran located?

Ralph Villaran practices at 9143 Indianapolis Blvd, Highland, IN 46322. The listed phone number is (219) 972-1547.

What is Ralph Villaran's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Infectious Disease, with taxonomy code 207RI0200X.

Is Ralph Villaran enrolled in Medicare?

Yes. Ralph Villaran 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 Ralph Villaran's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Ralph Villaran reassigns Medicare benefits to Infectious Disease Specialists PC (Merrillville, IN). 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 Ralph Villaran's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Ralph Villaran accept?

Health plans from Anthem Blue Cross and Blue Shield and CareSource list Ralph Villaran 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 Ralph Villaran affiliated with any hospitals?

According to CMS data, Ralph Villaran is affiliated with Northwestern Medicine Central Dupage Hospital, Methodist Hospitals Inc, St Mary Medical Center Inc, Northwest Health - Porter and Community Hospital.

When was this NPI record last updated?

The NPPES record for Ralph Villaran was last updated on September 13, 2012. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.