DR. GREGORY C CASTELLO D.O.
NPI 1417939323
Family Medicine in Lombard, IL

Q: What is Gregory Castello's NPI number?

The NPI number for Gregory Castello is 1417939323. It was assigned to this individual provider in the NPPES registry on November 16, 2005.

Q: What is Gregory Castello's specialty?

The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.

Q: When was this NPI record last updated?

The NPPES record for Gregory Castello was last updated on January 28, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 months 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.

Active since November 16, 2005PECOS EnrolledAccepts Medicare Assignment

12.16/100

CMS Quality Rating

2 E 22ND ST STE 217, LOMBARD, IL 60148(630) 620-9500(630) 620-6541 Get Directions Write a Review

NPPES record last updated: January 28, 2026. Verified against the NPPES registry weekly; last sync: August 23, 2026.

On this page

About Dr. Gregory C Castello D.o. NPPES

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

DR. GREGORY C CASTELLO D.O. (NPI 1417939323) is an individual family medicine provider in Lombard, Illinois, licensed in Illinois (036091537) and active in the NPI registry since November 2005. He is enrolled in Medicare PECOS, is affiliated with Elmhurst Memorial Hospital, and maintains a secondary practice location in Lombard.

NPPES Registry Identity

NPI1417939323

Entity TypeIndividualMale

Primary Taxonomy207Q00000X

Provider Legal NameDR. GREGORY C CASTELLOCredential: D.O.

Location Address2 E 22ND ST STE 217Lombard, IL 60148-6125

Mailing Address2 E 22nd St Ste 217Lombard, IL 60148-6125 · (630) 620-9500 · Fax (630) 620-9541

Phone(630) 620-9500

Fax(630) 620-6541

Sole ProprietorNo

Medical School CMSMidwestern University, Chicago College Of Osteopathic MedGraduated 1993

Enumeration DateNovember 16, 2005

Last NPPES UpdateJanuary 28, 2026

NPPES CertifiedJanuary 28, 2026

✔ NPI 1417939323 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207Q00000X

License✔ Licensed in IL · 036091537

Definition

Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.

2 E 22ND ST STE 217, Lombard, IL 60148

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Secondary Practice Location 1

Location 12340 S Highland Ave, Suite 370Lombard, IL 60148-5371 · Phone (630) 620-9500

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. Gregory C Castello D.o. 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 ID446283980

PECOS Enrollment IDI20050914001182

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 7

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.

Hyaluronan or derivitive, genvisc 850, for intra-articular injection, 1 mg J7320

Genvisc 850 is an injection containing hyaluronan, a substance naturally found in your joints. It helps to lubricate and cushion your joints. This treatment is used to relieve knee pain due to osteoarthritis when other treatments have not worked.

32,528 services109 patients

Aspiration and/or injection of fluid from large joint 20610

This procedure involves using a needle to remove (aspiration) or introduce (injection) fluid into a large joint like the knee or hip. It can help diagnose conditions, relieve discomfort, or deliver medication directly to the joint.

844 services117 patients

Fluoroscopic guidance for needle placement 77002

Fluoroscopic guidance for needle placement is a medical procedure that uses a special X-ray technology to help accurately place a needle in the body. It's often used in biopsies, injections or other treatments to ensure precision and safety.

817 services117 patients

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213

This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.

218 services127 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.

180 services85 patients

Injection, dexamethasone sodium phosphate, 1 mg J1100

Dexamethasone sodium phosphate is a medication given via injection. It is a type of steroid that helps reduce inflammation and immune responses. It can be used to treat a variety of conditions, such as allergies, skin conditions, arthritis, and more.

84 services15 patients

Hospital Affiliations CMS Care Compare 3

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

Elmhurst Memorial Hospital

Acute Care Hospitals · Elmhurst, IL

4/5 CMS rating

OwnershipProprietary

CMS Certification Number140200

Location155 East Brush Hill RoadElmhurst, IL 60126 · Du Page County

Emergency services Birthing friendly

Edward Hospital

Acute Care Hospitals · Naperville, IL

5/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number140231

Location801 South WashingtonNaperville, IL 60540 · Du Page County

Emergency services Birthing friendly

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

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 60148 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

$93.02 typical visit price

range $59.81 – $181.38

Typical copayment $23.25 (range $14.95 – $45.34)

Most-billed visit code 99203

Established Patient

$105.07 typical visit price

range $19.15 – $147.12

Typical copayment $26.26 (range $4.78 – $36.78)

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.

12.16/100

MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program

Individually scored

Quality

Improvement Activities

Cost

40.55

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 Gregory Castello's NPI number?

The NPI number for Gregory Castello is 1417939323. It was assigned to this individual provider in the NPPES registry on November 16, 2005.

Where is Gregory Castello located?

Gregory Castello practices at 2 E 22nd St Ste 217, Lombard, IL 60148. The listed phone number is (630) 620-9500.

What is Gregory Castello's specialty?

The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.

Is Gregory Castello enrolled in Medicare?

Yes. Gregory Castello 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.

Is Gregory Castello affiliated with any hospitals?

According to CMS data, Gregory Castello is affiliated with Elmhurst Memorial Hospital, Edward Hospital and Northwestern Medicine Central Dupage Hospital.

When was this NPI record last updated?

The NPPES record for Gregory Castello was last updated on January 28, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 months 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.