DR. MOHUN RAMRATNAM M.D.
NPI 1497809198
Internal Medicine - Cardiovascular Disease in Madison, WI
About Dr. Mohun Ramratnam M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. MOHUN RAMRATNAM M.D. (NPI 1497809198) is an individual cardiovascular disease provider in Madison, Wisconsin, licensed in Wisconsin (61014) and active in the NPI registry since January 2007. He is enrolled in Medicare PECOS, is affiliated with Floyd County Medical Center, and is a graduate of Northwestern University Feinberg Medical School (2004).
NPPES Registry Identity
Specialties & Licenses
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. Mohun Ramratnam M.d. 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
8Medicare enrollment records show Mohun Ramratnam reassigns Medicare billing to 8 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Madison, WI 53703
- Reassigned Medicare billing, Texas enrollment
- 21 clinicians in this Medicare group
Middleton, WI 53562
- Reassigned Medicare billing, Wisconsin enrollment
- 2,832 clinicians in this Medicare group
Wisconsin Dells, WI 53965
- Reassigned Medicare billing, Wisconsin enrollment
- 189 clinicians in this Medicare group
Darlington, WI 53530
- Reassigned Medicare billing, Wisconsin enrollment
- Also billed through NPI 1114987054 (Wisconsin)
- 53 clinicians in this Medicare group
Reedsburg, WI 53959
- Reassigned Medicare billing, Wisconsin enrollment
- 96 clinicians in this Medicare group
Waverly, IA 50677
- Reassigned Medicare billing, Iowa enrollment
- Also billed through NPI 1265402390 (Iowa)
- 96 clinicians in this Medicare group
Refugio, TX 78377
- Reassigned Medicare billing, Texas enrollment
- 44 clinicians in this Medicare group
Pearsall, TX 78061
- Reassigned Medicare billing, Texas enrollment
- 100 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 3
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 5
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Floyd County Medical Center
Critical Access Hospitals · Charles City, IAUnitypoint Health - Meriter
Acute Care Hospitals · Madison, WIUniversity Of Wi Hospitals & Clinics Authority
Acute Care Hospitals · Madison, WIRichland Hospital
Critical Access Hospitals · Richland Center, WIReedsburg Area Medical Center
Critical Access Hospitals · Reedsburg, WIPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 53792 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.
MADISON, WI 53792
MADISON, WI 53792
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 Mohun Ramratnam's NPI number?
The NPI number for Mohun Ramratnam is 1497809198. It was assigned to this individual provider in the NPPES registry on January 22, 2007.
Where is Mohun Ramratnam located?
Mohun Ramratnam practices at 600 Highland Ave, Madison, WI 53792. The listed phone number is (608) 263-1530.
What is Mohun Ramratnam's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Cardiovascular Disease, with taxonomy code 207RC0000X.
Is Mohun Ramratnam enrolled in Medicare?
Yes. Mohun Ramratnam 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 Mohun Ramratnam's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Mohun Ramratnam reassigns Medicare benefits to 8 organizations: Beam Healthcare, Sc (Madison, WI), University Of Wisconsin Medical Foundation, Inc (Middleton, WI), Mile Bluff Medical Center Inc (Wisconsin Dells, WI), Lafayette County (Darlington, WI), Reedsburg Area Medical Center, Inc. (Reedsburg, WI) and 3 more organizations, listed in the Medicare section above. 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 Mohun Ramratnam's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Mohun Ramratnam accept?
Health plans from Anthem Blue Cross and Blue Shield, Aspirus Health Plan, Blue Cross and Blue Shield of Texas, Group Health Cooperative-SCW and HealthPartners and 2 other insurers list Mohun Ramratnam 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 Mohun Ramratnam affiliated with any hospitals?
According to CMS data, Mohun Ramratnam is affiliated with Floyd County Medical Center, Unitypoint Health - Meriter, University Of Wi Hospitals & Clinics Authority, Richland Hospital and Reedsburg Area Medical Center.
When was this NPI record last updated?
The NPPES record for Mohun Ramratnam was last updated on September 10, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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. Mohun Ramratnam, M.D. · NPI 1497809198
Cardiovascular Disease physician in Madison, Wisconsin. Individual provider, active in the CMS NPPES registry since January 22, 2007.
## Identity
- **NPI:** 1497809198 (Entity type: Individual)
- **Enumerated:** January 22, 2007
- **Primary specialty:** Internal Medicine - Cardiovascular Disease · taxonomy 207RC0000X
- **State license:** 61014 (Wisconsin)
- **Sole proprietor:** No
## Practice location
- **Address:** 600 HIGHLAND AVE, Madison, WI 53792-0001
- **Phone:** (608) 263-1530
## 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:** 8 organizations under Medicare reassignment (form CMS-855R): Beam Healthcare, Sc (NPI 1275159998, Madison, WI); University Of Wisconsin Medical Foundation, Inc (NPI 1598784555, Middleton, WI); Mile Bluff Medical Center Inc (NPI 1487734380, Wisconsin Dells, WI); Lafayette County (NPI 1740273358, Darlington, WI); Reedsburg Area Medical Center, Inc. (NPI 1457780983, Reedsburg, WI); and 3 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Northwestern University Feinberg Medical School, class of 2004
## Record status
- **NPPES last updated:** September 10, 2024
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Source: [NPI Profile](https://npiprofile.com/npi/1497809198) · Data from the CMS NPPES public registry.