Unknown Individual – Diagnostic Radiology Physician, NPI 1255312450

Unknown Individual is a healthcare provider. based in Merrillville, Indiana. specializing in Diagnostic Radiology Physician. They hold a License No. 01055142 (IN). The NPI Number for Unknown Individual is 1255312450

Main info

Organization
Inactive
39 Years Of Experience
Accepts Medicare Assignment
Name
Unknown Individual
NPI
1255312450
Phone
(219) 769-1670
Address
55 E 86TH AVE
Deactivation Date
7 December 2022

Doctor Profile

Medical School Name
OTHER
Secondary Phone
2198864545
Graduation Year
1987 (39 years ago)
PAC ID
5092756171
Group Practice PAC ID
9537065180
Professional Enrollment ID
I20110217000525
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience19
Completeness75
Years active:0State licenses:1Digital endpointsOther names

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Provider Addresses for Unknown Individual

  • 55, East 86th Avenue, Merrillville, Ross Township, Lake County, Indiana, 46410, United States

    PO BOX 10645

    MERRILLVILLE, IN 464106382

    Phone: (219) 769-1670

    Fax: (219) 738-6714

    Type: Mailing

  • Methodist Hospitals - Southlake Campus, 8701, Broadway, Merrillville, Ross Township, Lake County, Indiana, 46410, United States

    MERRILLVILLE, IN 464107035

    Phone: (219) 738-5500

    Fax: (219) 738-6714

    Type: Location

NPPES updates history

No NPPES updates recorded for this provider.

Prescription Activity

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Open Payments (CMS)

No Open Payments data available for this provider.

This can happen when there are no reportable CMS Open Payments records.

Medicare Enrollment & Revalidation

Source: CMS public data · Not endorsed by CMS ·

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

No Medicare enrollment or revalidation data available for this provider in our database.

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.

No Medicare fee-for-service utilization data available for this provider in our database.

Insurance plans in this area (ZIP 46410)

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Provider's Procedures

Unknown Individual performs procedures in Diagnostic Radiology Physician. See the list of HCPCS codes below.
SpecialtyPractice State
HCPCS Code
Description
Service Count
Beneficiary Count
DIAGNOSTIC RADIOLOGYIN73562X-ray of knee, 3 views2622
DIAGNOSTIC RADIOLOGYIN73630X-ray of foot, minimum of 3 views10087
DIAGNOSTIC RADIOLOGYIN74177CT scan of abdomen and pelvis with contrast282267

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: 9537065180View full group profile
NameSpecialtyState
SHAILESH BHATT (MD)
Diagnostic RadiologyIN
HASHIM ARMASHI (DO)
Interventional RadiologyGA
MAYUMI OKA (MD)
-IN
MURTHY G CHIMATA (MD)
Diagnostic RadiologyIN
DR. RAJESH ROY VAID (M.D.)
Diagnostic RadiologyCA
TAMBARAHALLI A NAGARAJA (MD)
-IN
IAN K TSENG (M.D.)
Diagnostic RadiologyCA
DR. ANASTASIA KARABATSOS SIATRAS (D.O.)
Diagnostic RadiologyIN
TULSI C. SAWLANI (MD)
Diagnostic RadiologyIN
SHODHAN L PATEL (MD)
Diagnostic RadiologyIN

Reviews

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Frequently asked questions

How is Unknown Individual identified in CMS data?
CMS-hosted NPPES data lists Unknown Individual with NPI 1255312450.
Why is Unknown Individual marked inactive in the NPI directory?
The public NPI listing for Unknown Individual is not currently active; confirm directly with the practice or licensing boards.
What is Unknown Individual best known for clinically?
Directory data describes Unknown Individual with Diagnostic Radiology Physician. Clinical services aligned with this taxonomy classification.
What area does Unknown Individual serve?
Unknown Individual's listing highlights Merrillville, Indiana; more addresses can appear in NPPES.
How many locations tie to this NPI?
2 practice locations appear in the available data.

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