DR. JOSEPH S GRASSO (D.O.) – Family Medicine Physician, NPI 1548383805

DR. JOSEPH S GRASSO (D.O.) is a healthcare provider. based in South barrington, Illinois. specializing in FAMILY PRACTICE. They hold the professional credentials D.O.. They hold a License No. 036-108340 (IL). The NPI Number for DR. JOSEPH S GRASSO (D.O.) is 1548383805

Main info

Male
Sole Proprietor
35 Years Of Experience
Name
DR. JOSEPH S GRASSO (D.O.)
NPI
1548383805
Phone
(847) 426-9000
Address
33 WEST HIGGINS ROAD
Enumeration Date
9 April 2007
Last Update Date
5 May 2010

Doctor Profile

Medical School Name
OTHER
Secondary Phone
-
Graduation Year
1991 (35 years ago)
PAC ID
2860551660
Professional Enrollment ID
I20081107000795
Address ID
IL600109387SO33XXXRDXX401
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience61
Completeness75
Years active:19State licenses:2Digital endpointsOther names

5,037 FAMILY PRACTICE in IL

Provider Addresses for DR. JOSEPH S GRASSO (D.O.)

  • 33 WEST HIGGINS ROAD

    SUITE 600

    SOUTH BARRINGTON, IL 60010

    Phone: (847) 426-9000

    Fax: (847) 426-9050

    Mailing address matches the actual address.

NPPES updates history

No NPPES updates recorded for this provider.

Prescription Activity

Loading prescription activity...

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 60010)

Loading plans...

Reviews

All reviews are moderated before publication. Reviews reflect users' opinions; we do not verify the accuracy of individual reviews.

No reviews yet. Be the first to share your experience — your opinion helps families compare providers.

Frequently asked questions

What is the 10-digit NPI for DR. JOSEPH S GRASSO (D.O.)?
DR. JOSEPH S GRASSO (D.O.) — NPI 1548383805 — is the standard way to identify this listing.
Does the file indicate DR. JOSEPH S GRASSO (D.O.) is practicing under active NPI?
Directory data currently reports DR. JOSEPH S GRASSO (D.O.) as active.
What is DR. JOSEPH S GRASSO (D.O.)'s primary classification?
Family Medicine Physician is the headline specialty for DR. JOSEPH S GRASSO (D.O.) here. Clinical services aligned with this taxonomy classification.
Where is DR. JOSEPH S GRASSO (D.O.) based?
DR. JOSEPH S GRASSO (D.O.) is tied to South Barrington, Illinois in the data we show; additional addresses may exist on the full record.
What does 'Individual Provider' mean on this profile?
Entity type tells you whether the number belongs to a person or an organization.