SIDDHANTH AHLUWALIA MD
NPI 1851813489
Anesthesiology in Marinette, WI
About Siddhanth Ahluwalia Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
SIDDHANTH AHLUWALIA MD (NPI 1851813489) is an individual anesthesiology provider in Marinette, Wisconsin, licensed in Wisconsin (84576-20) and active in the NPI registry since July 2017. He is enrolled in Medicare PECOS, is affiliated with Mercy Medical Center - Cedar Rapids, and maintains a secondary practice location in Waterloo.
NPPES Registry Identity
Specialties & Licenses 2
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 and accepts Medicare assignment
Siddhanth Ahluwalia Md 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.
Medicare Billing Reassignments
2Medicare enrollment records show Siddhanth Ahluwalia reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Sheboygan, WI 53081
- Reassigned Medicare billing, Wisconsin enrollment
- 4,609 clinicians in this Medicare group
Cedar Rapids, IA 52402
- Reassigned Medicare billing, Iowa enrollment
- 387 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.
Areas of Expertise CMS Part B claims
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.
Hospital Affiliations CMS Care Compare 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Mercy Medical Center - Cedar Rapids
Acute Care Hospitals · Cedar Rapids, IABay Area Medical Center
Acute Care Hospitals · Marinette, WIOther Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
MARINETTE, WI 54143
MARINETTE, WI 54143
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 Siddhanth Ahluwalia's NPI number?
The NPI number for Siddhanth Ahluwalia is 1851813489. It was assigned to this individual provider in the NPPES registry on July 14, 2017.
Where is Siddhanth Ahluwalia located?
Siddhanth Ahluwalia practices at 3003 University Dr, Marinette, WI 54143. The listed phone number is (715) 735-4200.
What is Siddhanth Ahluwalia's specialty?
The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.
Is Siddhanth Ahluwalia enrolled in Medicare?
Yes. Siddhanth Ahluwalia 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.
Which organizations bill Medicare for Siddhanth Ahluwalia's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Siddhanth Ahluwalia reassigns Medicare benefits to 2 organizations: Aurora Medical Group, Inc. (Sheboygan, WI) and Mercy Medical Center (Cedar Rapids, IA). 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 Siddhanth Ahluwalia's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Siddhanth Ahluwalia accept?
Health plans from Ambetter Health, Ambetter Health of Delaware, Ambetter from NH Healthy Families, Ambetter from Sunflower Health Plan and CareSource (Common Ground Healthcare) and 3 other insurers list Siddhanth Ahluwalia 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.
Is Siddhanth Ahluwalia affiliated with any hospitals?
According to CMS data, Siddhanth Ahluwalia is affiliated with Mercy Medical Center - Cedar Rapids and Bay Area Medical Center.
When was this NPI record last updated?
The NPPES record for Siddhanth Ahluwalia was last updated on November 25, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 22 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.
# Siddhanth Ahluwalia, MD · NPI 1851813489
Anesthesiology physician in Marinette, Wisconsin. Individual provider, active in the CMS NPPES registry since July 14, 2017.
## Identity
- **NPI:** 1851813489 (Entity type: Individual)
- **Enumerated:** July 14, 2017
- **Primary specialty:** Anesthesiology · taxonomy 207L00000X
- **State license:** 84576-20 (Wisconsin)
- **Sole proprietor:** No
## Practice location
- **Address:** 3003 UNIVERSITY DR, Marinette, WI 54143-4110
- **Phone:** (715) 735-4200
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 2 organizations under Medicare reassignment (form CMS-855R): Aurora Medical Group, Inc. (NPI 1174670244, Sheboygan, WI); Mercy Medical Center (NPI 1700834165, Cedar Rapids, IA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2016
## Record status
- **NPPES last updated:** November 25, 2024
- **Other identifiers:** Medicaid 100290609 (WI)
---
Source: [NPI Profile](https://npiprofile.com/npi/1851813489) · Data from the CMS NPPES public registry.