DR. AMARJIT SINGH M.D.
NPI 1467452516
Internal Medicine - Critical Care Medicine in Oak Lawn, IL
About Dr. Amarjit Singh M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. AMARJIT SINGH M.D. (NPI 1467452516) is an individual critical care medicine provider in Oak Lawn, Illinois, licensed in Illinois (036062423) and active in the NPI registry since July 2005. He is enrolled in Medicare PECOS and maintains a secondary practice location in Oakbrook Terrace.
NPPES Registry Identity
Specialties & Licenses 3
Secondary Practice Location 1
Other Identifiers 1
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Dr. Amarjit Singh M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
4Medicare enrollment records show Amarjit Singh reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Oak Lawn, IL 60453
- Reassigned Medicare billing, Illinois enrollment
- 4,870 clinicians in this Medicare group
Chicago, IL 60629
- Reassigned Medicare billing, Illinois enrollment
- 646 clinicians in this Medicare group
Chicago, IL 60629
- Reassigned Medicare billing, Illinois enrollment
- 982 clinicians in this Medicare group
Milwaukee, WI 53215
- Reassigned Medicare billing, Wisconsin enrollment
- 4,609 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 60453 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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.
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.
OAK LAWN, IL 60453
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 Amarjit Singh's NPI number?
The NPI number for Amarjit Singh is 1467452516. It was assigned to this individual provider in the NPPES registry on July 29, 2005.
Where is Amarjit Singh located?
Amarjit Singh practices at 9555 S 52nd Ave, Oak Lawn, IL 60453. The listed phone number is (708) 634-0950.
What is Amarjit Singh's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Critical Care Medicine, with taxonomy code 207RC0200X.
Is Amarjit Singh enrolled in Medicare?
Yes. Amarjit Singh is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Amarjit Singh's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Amarjit Singh reassigns Medicare benefits to 4 organizations: Advocate Health And Hospitals Corporation (Oak Lawn, IL), Mount Sinai Community Foundation (Chicago, IL), Cepamerica Illinois LLP (Chicago, IL) and Aurora Medical Group, Inc. (Milwaukee, WI). Each 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 Amarjit Singh's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Amarjit Singh accept?
Health plans from Aspirus Health Plan, CareSource (Common Ground Healthcare) and Oscar Health list Amarjit Singh as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
When was this NPI record last updated?
The NPPES record for Amarjit Singh was last updated on May 23, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 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.
# Dr. Amarjit Singh, M.D. · NPI 1467452516
Critical Care Medicine physician in Oak Lawn, Illinois. Individual provider, active in the CMS NPPES registry since July 29, 2005.
## Identity
- **NPI:** 1467452516 (Entity type: Individual)
- **Enumerated:** July 29, 2005
- **Primary specialty:** Internal Medicine - Critical Care Medicine · taxonomy 207RC0200X
- **State license:** 036062423 (Illinois)
- **Sole proprietor:** No
## Practice location
- **Address:** 9555 S 52ND AVE, Oak Lawn, IL 60453-3054
- **Phone:** (708) 634-0950
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 4 organizations under Medicare reassignment (form CMS-855R): Advocate Health And Hospitals Corporation (NPI 1174747075, Oak Lawn, IL); Mount Sinai Community Foundation (NPI 1578972188, Chicago, IL); Cepamerica Illinois LLP (NPI 1164944369, Chicago, IL); Aurora Medical Group, Inc. (NPI 1427271378, Milwaukee, WI) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** May 23, 2025
- **Other identifiers:** Medicaid 036-062423-6 (IL)
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Source: [NPI Profile](https://npiprofile.com/npi/1467452516) · Data from the CMS NPPES public registry.