RALPH VILLARAN (M.D.) – Infectious Disease Physician, NPI 1699858985

RALPH VILLARAN (M.D.) is a healthcare provider. based in Munster, Indiana. specializing in INFECTIOUS DISEASE. They hold the professional credentials M.D.. They hold a License No. 036111376 (IL). The NPI Number for RALPH VILLARAN (M.D.) is 1699858985

Main info

Male
27 Years Of Experience
Accepts Medicare Assignment
Name
RALPH VILLARAN (M.D.)
NPI
1699858985
Phone
(219) 836-2022
Address
9201 CALUMET AVE
Enumeration Date
23 October 2006
Last Update Date
13 September 2012

Doctor Profile

Medical School Name
OTHER
Secondary Phone
2199721547
Graduation Year
1999 (27 years ago)
PAC ID
0840392411
Group Practice PAC ID
4981691862
Professional Enrollment ID
I20070228000327
Address ID
IN463837121VA2701XDRXX302
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience52
Completeness75
Years active:19State licenses:1Digital endpointsOther names

190 INFECTIOUS DISEASE in IN

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Provider Addresses for RALPH VILLARAN (M.D.)

  • Calumet Avenue, Munster, Lake County, Indiana, 46311, United States

    MUNSTER, IN 463212807

    Phone: (219) 836-2022

    Type: Mailing

  • Indianapolis Blvd, Highland Terrace Estates, Highland, Lake County, Indiana, 46322, United States

    HIGHLAND, IN 463222504

    Phone: (219) 972-1547

    Type: Location

NPPES updates history

No NPPES updates recorded for this provider.

Prescription Activity

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Open Payments (CMS)

CMS reports 17 Open Payments records for all available years, with a total value of $752.

Total Amount is formed as General ($752) + Research ($0) + Ownership ($0) = $752.

Last reported payment date: 2024-11-19 • Largest payer in this snapshot: Gilead Sciences, Inc. ($187).

Total Amount

$752

General + Research + Ownership

Payments

17

Total payment records

General Amount

$752

General payments

Research Amount

$0

Research funding

Ownership Amount

$0

Ownership interests

Ownership Count

0

Ownership records

Last Payment Date

2024-11-19

Latest reported date

Top Companies

Largest payers in this snapshot

View all Open Payments →|Open Payments Risk Radar →

Medicare Enrollment & Revalidation

Source: CMS public data · Not endorsed by CMS ·

Educational use only—not medical, billing, or legal advice.

PECOS enrollment status

Participating (accepts Medicare assignment)

Enrollment effective: 2007-02-28

PECOS data refreshed: 2026-05-27

Medicare revalidation (CMS due date list)

Due date not assigned yet

CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.

Enrollment records

1

Earliest due date

Not assigned (TBD)

CMS data updated

2026-06-01

Revalidation progress

  1. Medicare enrolled
  2. On CMS revalidation list
  3. Due date assigned
  4. Revalidate in PECOS

CMS enrollment records

Enrollment IDTypeSpecialtyStateDue date
I20070228000327IInfectious DiseaseINTBD

What to do next

  • No action required while the due date shows TBD.
  • Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
  • Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.

Verify on CMS Revalidation Lookup Tool

Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS

Medicare Utilization (FFS)

Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·

Educational use only—not medical, billing, or legal advice.

Top Medicare procedures (2023) · refreshed 2026-05-27

HCPCSDescriptionServicesBeneficiariesMedicare allowed
99232Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes2,668722$0
99222Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes384350$0
99233Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes15486$0
99223Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes6766$0
View full utilization report →

Insurance plans in this area (ZIP 46321)

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Group practice members

Group practice members are other physicians who share the same Group Practice PAC ID with this doctor. When doctors form a group practice and register in PECOS as a single entity, they receive a shared identification number. This table lists all providers in the same group practice.
PAC ID: 4981691862View full group profile
NameSpecialtyState
Infectious DiseaseIN
Internal Medicine, Infectious DiseaseMO
Nurse PractitionerIN
Nurse PractitionerIN
Nurse PractitionerIN
Nurse PractitionerIN
-IN
Infectious DiseaseIN
Infectious DiseaseIN
Infectious Disease, Internal MedicineIN

Reviews

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Frequently asked questions

Can I verify RALPH VILLARAN (M.D.) with an NPI only?
You can start verification with NPI 1699858985 for RALPH VILLARAN (M.D.), then check state licensing separately.
Does CMS list RALPH VILLARAN (M.D.) as active?
Yes — RALPH VILLARAN (M.D.) is active in the NPI listing used on this page.
What is RALPH VILLARAN (M.D.) best known for clinically?
Directory data describes RALPH VILLARAN (M.D.) with Infectious Disease Physician. Clinical services aligned with this taxonomy classification.
Does RALPH VILLARAN (M.D.) list a practice location?
Patients near Munster, Indiana may find RALPH VILLARAN (M.D.) in results; validate coverage separately.
How many locations tie to this NPI?
2 practice locations appear in the available data.

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