DELARAM MAJLESI M.D.
NPI 1457973109
Internal Medicine in Mchenry, IL

Active since May 15, 2020PECOS Enrolled
4201 MEDICAL CENTER DRIVE, MCHENRY, IL 60050(815) 338-6600(815) 759-8255 Get Directions Write a Review

NPPES record last updated: September 2, 2020. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Sep 2, 2020, May 15, 2020 (2 updates tracked since 2020).

About Delaram Majlesi M.d. NPPES

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

DELARAM MAJLESI M.D. (NPI 1457973109) is an individual internal medicine provider in Mchenry, Illinois, licensed in Illinois (125.077188) and active in the NPI registry since May 2020. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1457973109
Entity TypeIndividualFemale
Primary Taxonomy207R00000X
Provider Legal NameDELARAM MAJLESICredential: M.D.
Location Address4201 MEDICAL CENTER DRIVEMchenry, IL 60050
Mailing Address4309 W Shamrock Ln, Apt #2cMchenry, IL 60050 · (815) 759-4726 · Fax (815) 759-8255
Fax(815) 759-8255
Sole ProprietorNo
Enumeration DateMay 15, 2020
Last NPPES UpdateSeptember 2, 20202 updates tracked since enumeration
NPPES CertifiedSeptember 2, 2020
✔ NPI 1457973109 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in IL · 125.077188
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.
4201 MEDICAL CENTER DRIVE, Mchenry, IL 60050

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Delaram Majlesi M.d. 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 Delaram Majlesi reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Internal Medicine
101 MADISON ST STE 300
Oak Park, IL 60302
  • Reassigned Medicare billing, Illinois enrollment
  • Medicare enrollment name: Cimpar Sc
  • 70 clinicians in this Medicare group

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 60050 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
$127.46 typical visit price
range $54.80 – $168.44
Typical copayment $31.86 (range $13.70 – $42.11)
Most-billed visit code 99204
Established Patient
$97.25 typical visit price
range $17.16 – $136.56
Typical copayment $24.31 (range $4.29 – $34.14)
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.

Internal Medicine
4201 MEDICAL CENTER DRIVE
MCHENRY, IL 60050
Internal Medicine
4201 MEDICAL CENTER DRIVE
MCHENRY, IL 60050
Internal Medicine
4201 MEDICAL CENTER DRIVE
MCHENRY, IL 60050
Internal Medicine
4201 MEDICAL CENTER DRIVE
MCHENRY, IL 60050
Internal Medicine
4201 MEDICAL CENTER DRIVE
MCHENRY, IL 60050
Internal Medicine
4201 MEDICAL CENTER DRIVE
MCHENRY, IL 60050
Nurse Practitioner
4201 MEDICAL CENTER DRIVE
MCHENRY, IL 60050
Internal Medicine
4201 MEDICAL CENTER DRIVE
MCHENRY, IL 60050

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 Delaram Majlesi's NPI number?

The NPI number for Delaram Majlesi is 1457973109. It was assigned to this individual provider in the NPPES registry on May 15, 2020.

Where is Delaram Majlesi located?

Delaram Majlesi practices at 4201 Medical Center Drive, Mchenry, IL 60050. The listed phone number is (815) 338-6600.

What is Delaram Majlesi's specialty?

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

Is Delaram Majlesi enrolled in Medicare?

Yes. Delaram Majlesi is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Delaram Majlesi's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Delaram Majlesi reassigns Medicare benefits to Cimpar, S.C. (Oak Park, 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 Delaram Majlesi'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 Delaram Majlesi was last updated on September 2, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.