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DR. ROBERT J LONGO MD
NPI 1265437230
Internal Medicine in Long Grove, IL

Active since June 16, 2005PECOS Enrolled
3880 SALEM LAKE DR, STE F, LONG GROVE, IL 60047(847) 719-2220(847) 719-2265 Get Directions Write a Review

NPPES record last updated: March 7, 2023. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Mar 7, 2023, Dec 17, 2021 (2 updates tracked since 2021).

About Dr. Robert J Longo Md NPPES

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

DR. ROBERT J LONGO MD (NPI 1265437230) is an individual internal medicine provider in Long Grove, Illinois, licensed in Illinois (036089997) and active in the NPI registry since June 2005. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1265437230
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameDR. ROBERT J LONGOCredential: MD
Location Address3880 SALEM LAKE DR, STE FLong Grove, IL 60047-5292
Mailing Address3880 Salem Lake Dr, Ste FLong Grove, IL 60047-5292 · (847) 719-2220 · Fax (847) 719-2265
Phone(847) 719-2220
Fax(847) 719-2265
Sole ProprietorNo
Enumeration DateJune 16, 2005
Last NPPES UpdateMarch 7, 20232 updates tracked since enumeration
NPPES CertifiedDecember 17, 2021
✔ NPI 1265437230 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in IL · 036089997
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
Also ListedHospitalistTaxonomy 208M00000X · License 036089997 (IL)
3880 SALEM LAKE DR, Long Grove, IL 60047
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Other Identifiers 1

Medicaid036089997IL

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Robert J Longo Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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.

Medicare Billing Reassignment

Medicare enrollment records show Robert Longo reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Best Practices Inpatient Care, Ltd.
6.0 mi
Internal Medicine
106 BARRINGTON COMMONS CT UNIT 1790
Barrington, IL 60011
  • Reassigned Medicare billing, Illinois enrollment
  • 155 clinicians in this Medicare group
NPI 1073549713 (847) 719-2220

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 60047 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
$137.43 typical visit price
range $59.81 – $181.38
Typical copayment $34.35 (range $14.95 – $45.34)
Most-billed visit code 99204
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.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

MAREK FILIPIUK M.D.
Internal Medicine
3880 SALEM LAKE DR, STE F
LONG GROVE, IL 60047
Lake County (847) 719-2220
KELLY KEH LIH TAN M.D.
Internal Medicine
3880 SALEM LAKE DR, STE F
LONG GROVE, IL 60047
Lake County (847) 719-2220
BRYN J JEMMI PA-C
Physician Assistant (Medical)
3880 SALEM LAKE DR
LONG GROVE, IL 60047
Lake County (847) 719-2220
DR. IRENE GRAZIANI MD, PHD
Internal Medicine
3880 SALEM LAKE DR, STE F
LONG GROVE, IL 60047
Lake County (847) 719-2220
SUNDEEP KAUR GREWAL D.O.
Internal Medicine
3880 SALEM LAKE DR, STE F
LONG GROVE, IL 60047
Lake County (847) 719-2220
BRENDA SUE SNYDER D.O.
Internal Medicine
3880 SALEM LAKE DR, SUITE F
LONG GROVE, IL 60047
Lake County (847) 719-2220
DR. AVA MASTNY M.D.
Hospitalist
3880 SALEM LAKE DR, F
LONG GROVE, IL 60047
Lake County (847) 719-2220
KEVIN GO MD
Internal Medicine
3880 SALEM LAKE DR, STE F
LONG GROVE, IL 60047
Lake County (847) 719-2220

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 Robert Longo's NPI number?

The NPI number for Robert Longo is 1265437230. It was assigned to this individual provider in the NPPES registry on June 16, 2005.

Where is Robert Longo located?

Robert Longo practices at 3880 Salem Lake Dr Ste F, Long Grove, IL 60047. The listed phone number is (847) 719-2220.

What is Robert Longo's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Robert Longo enrolled in Medicare?

Yes. Robert Longo is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Robert Longo's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Robert Longo reassigns Medicare benefits to Best Practices Inpatient Care, Ltd. (Barrington, IL). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Robert Longo's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Robert Longo was last updated on March 7, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 years 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.