DR. SANJAY KUMAR SINGH MD
NPI 1659896199
Hospitalist in Milwaukee, WI
About Dr. Sanjay Kumar Singh Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. SANJAY KUMAR SINGH MD (NPI 1659896199) is an individual hospitalist provider in Milwaukee, Wisconsin, licensed in Wisconsin (72504) and active in the NPI registry since August 2017. He is enrolled in Medicare PECOS, is affiliated with Froedtert Memorial Lutheran Hospital, and is a graduate of Other (1989).
NPPES Registry Identity
Specialties & Licenses 2
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
Dr. Sanjay Kumar Singh 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 Reassignment
Medicare enrollment records show Sanjay Singh reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Milwaukee, WI 53226
- Reassigned Medicare billing, Wisconsin enrollment
- 3,983 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 5
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
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Froedtert Memorial Lutheran Hospital
Acute Care Hospitals · Milwaukee, WIPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 53226 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.
MILWAUKEE, WI 53226
MILWAUKEE, WI 53226
MILWAUKEE, WI 53226
MILWAUKEE, WI 53226
MILWAUKEE, WI 53226
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 Sanjay Singh's NPI number?
The NPI number for Sanjay Singh is 1659896199. It was assigned to this individual provider in the NPPES registry on August 5, 2017.
Where is Sanjay Singh located?
Sanjay Singh practices at 9200 W Wisconsin Ave, Milwaukee, WI 53226. The listed phone number is (414) 955-0350.
What is Sanjay Singh's specialty?
The primary specialty registered for this NPI is Hospitalist with taxonomy code 208M00000X.
Is Sanjay Singh enrolled in Medicare?
Yes. Sanjay Singh 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 organization bills Medicare for Sanjay Singh's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Sanjay Singh reassigns Medicare benefits to The Medical College Of Wisconsin, Inc. (Milwaukee, WI). 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 Sanjay Singh's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Sanjay Singh accept?
Health plans from Anthem Blue Cross and Blue Shield and Aspirus Health Plan list Sanjay 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.
Is Sanjay Singh affiliated with any hospitals?
According to CMS data, Sanjay Singh is affiliated with Froedtert Memorial Lutheran Hospital.
When was this NPI record last updated?
The NPPES record for Sanjay Singh was last updated on March 22, 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.
# Dr. Sanjay Kumar Singh, MD · NPI 1659896199
Hospitalist physician in Milwaukee, Wisconsin. Individual provider, active in the CMS NPPES registry since August 5, 2017.
## Identity
- **NPI:** 1659896199 (Entity type: Individual)
- **Enumerated:** August 5, 2017
- **Primary specialty:** Hospitalist · taxonomy 208M00000X
- **State license:** 72504 (Wisconsin)
- **Sole proprietor:** No
## Practice location
- **Address:** 9200 W WISCONSIN AVE, Milwaukee, WI 53226-3522
- **Phone:** (414) 955-0350 · **Fax:** (414) 805-6851
## 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:** The Medical College Of Wisconsin, Inc. (NPI 1699720086, Milwaukee, WI), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 1989
## Record status
- **NPPES last updated:** March 22, 2023
- **Other identifiers:** Medicaid 1659896199 (WI)
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Source: [NPI Profile](https://npiprofile.com/npi/1659896199) · Data from the CMS NPPES public registry.