DR. GREGORY C CASTELLO (D.O.) – Family Medicine Physician, NPI 1417939323

DR. GREGORY C CASTELLO (D.O.) is a healthcare provider. based in Lombard, Illinois. specializing in FAMILY PRACTICE. They hold the professional credentials D.O.. They hold a License No. 036091537 (IL). The NPI Number for DR. GREGORY C CASTELLO (D.O.) is 1417939323

Main info

Male
33 Years Of Experience
Accepts Medicare Assignment
Name
DR. GREGORY C CASTELLO (D.O.)
NPI
1417939323
Phone
(630) 620-9500
Address
2 E 22ND ST STE 217
Enumeration Date
16 November 2005
Last Update Date
28 January 2026

Doctor Profile

Medical School Name
MIDWESTERN UNIVERSITY, CHICAGO COLLEGE OF OSTEOPATHIC MED
Secondary Phone
8157440808
Graduation Year
1993 (33 years ago)
PAC ID
0446283980
Professional Enrollment ID
I20050914001182
Address ID
IL604358573JO819XXDRXX300
Telehealth
Yes
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience64
Completeness85
Years active:20State licenses:1Digital endpointsOther names

5,037 FAMILY PRACTICE in IL

Provider Addresses for DR. GREGORY C CASTELLO (D.O.)

  • 2 E 22ND ST STE 217

    LOMBARD, IL 601486125

    Phone: (630) 620-9500

    Fax: (630) 620-6541

    Type: Location

  • 2340 S Highland Ave

    Suite 370

    Lombard, IL 601485371

    Phone: (630) 620-9500

    Type: Location

  • 2340, South Highland Avenue, Highland Hills, Lombard, DuPage County, Illinois, 60148, United States

    SUITE 370

    LOMBARD, IL 601485371

    Phone: (630) 620-6311

    Fax: (630) 620-9541

    Type: Mailing

NPPES updates history

No NPPES updates recorded for this provider.

Prescription Activity

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Open Payments (CMS)

CMS reports 84 Open Payments records for all available years, with a total value of $1,596.

Total Amount is formed as General ($1,596) + Research ($0) + Ownership ($0) = $1,596.

Last reported payment date: 2024-11-21 • Largest payer in this snapshot: Lilly USA, LLC ($509).

Total Amount

$1,596

General + Research + Ownership

Payments

84

Total payment records

General Amount

$1,596

General payments

Research Amount

$0

Research funding

Ownership Amount

$0

Ownership interests

Ownership Count

0

Ownership records

Last Payment Date

2024-11-21

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: 2005-09-14

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
I20050914001182IFamily PracticeILTBD

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
J7320Hyaluronan or derivitive, genvisc 850, for intra-articular injection, 1 mg31,680115$0
20610Aspiration and/or injection of fluid from large joint890127$0
77002Fluoroscopic guidance for needle placement888127$0
99213Established patient office or other outpatient visit, 20-29 minutes238138$0
J7321Hyaluronan or derivative, hyalgan, supartz or visco-3, for intra-articular injection, per dose17533$0
View full utilization report →

Insurance plans in this area (ZIP 60148)

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Reviews

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Frequently asked questions

What number should I use to identify DR. GREGORY C CASTELLO (D.O.) for billing?
Administrative and clinical systems typically use NPI 1417939323 for DR. GREGORY C CASTELLO (D.O.).
Should I treat DR. GREGORY C CASTELLO (D.O.) as an active provider?
Patients and plans typically see DR. GREGORY C CASTELLO (D.O.) as active in the national extract.
What does the directory say DR. GREGORY C CASTELLO (D.O.) does?
Insurance directories may phrase it differently, but here DR. GREGORY C CASTELLO (D.O.) maps to Family Medicine Physician. Clinical services aligned with this taxonomy classification.
Which community is linked to DR. GREGORY C CASTELLO (D.O.)?
DR. GREGORY C CASTELLO (D.O.) shows a connection to Lombard, Illinois in registry-derived data.
Who maintains DR. GREGORY C CASTELLO (D.O.)'s record?
Providers certify NPPES data; CMS hosts the public file you are viewing.

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