MS. MARGARET ANN SRINIVASAN PMHNP-BC
NPI 1649157140
Nurse Practitioner - Psychiatric/Mental Health in Mishawaka, IN
About Ms. Margaret Ann Srinivasan Pmhnp-bc NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MS. MARGARET ANN SRINIVASAN PMHNP-BC (NPI 1649157140) is an individual psychiatric/mental health provider in Mishawaka, Indiana, licensed in Indiana (4185345) and active in the NPI registry since August 2025. She is enrolled in Medicare PECOS and is a graduate of Other (2024).
NPPES Registry Identity
Specialties & Licenses
Other Names 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
Ms. Margaret Ann Srinivasan Pmhnp-bc 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
5Medicare enrollment records show Margaret Srinivasan reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Elkhart, IN 46516
- Reassigned Medicare billing, Indiana enrollment
- Medicare enrollment name: Heart City Health Center Inc
- 46 clinicians in this Medicare group
Indianapolis, IN 46260
- Reassigned Medicare billing, Indiana enrollment
- 71 clinicians in this Medicare group
Indianapolis, IN 46250
- Reassigned Medicare billing, Indiana enrollment
- 15 clinicians in this Medicare group
Houston, TX 77070
- Reassigned Medicare billing, Indiana enrollment
- 99 clinicians in this Medicare group
Houston, TX 77070
- Reassigned Medicare billing, Indiana enrollment
- 99 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 46545 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 3
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
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 Margaret Srinivasan's NPI number?
The NPI number for Margaret Srinivasan is 1649157140. It was assigned to this individual provider in the NPPES registry on August 18, 2025. The provider is also known as Ms. Margaret Ann Srinivasan Pmhnp Bc.
Where is Margaret Srinivasan located?
Margaret Srinivasan practices at 1625 E Jefferson Blvd, Mishawaka, IN 46545. The listed phone number is (574) 255-1400.
What is Margaret Srinivasan's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Psychiatric/Mental Health, with taxonomy code 363LP0808X.
Is Margaret Srinivasan enrolled in Medicare?
Yes. Margaret Srinivasan 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 Margaret Srinivasan's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Margaret Srinivasan reassigns Medicare benefits to 5 organizations: Healthlinc, Inc (Elkhart, IN), Indiana United Psych LLC (Indianapolis, IN), Viaquest Community Solutions, LLC (Indianapolis, IN), Psychiatry Of Texas PLLC (Houston, TX) and Psychplus Medical Associates, PLLC (Houston, TX). 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 Margaret Srinivasan's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Margaret Srinivasan accept?
Health plans from Ambetter from Arizona Complete Health, Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections, Ambetter from Superior HealthPlan and Ambetter of Oklahoma and 4 other insurers list Margaret Srinivasan 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 Margaret Srinivasan was last updated on August 18, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.
# Ms. Margaret Ann Srinivasan, PMHNP-BC · NPI 1649157140
Psychiatric/Mental Health physician in Mishawaka, Indiana. Individual provider, active in the CMS NPPES registry since August 18, 2025.
## Identity
- **NPI:** 1649157140 (Entity type: Individual)
- **Enumerated:** August 18, 2025
- **Primary specialty:** Nurse Practitioner - Psychiatric/Mental Health · taxonomy 363LP0808X
- **State license:** 4185345 (Indiana)
- **Sole proprietor:** No
## Practice location
- **Address:** 1625 E JEFFERSON BLVD, Mishawaka, IN 46545-7103
- **Phone:** (574) 255-1400
## 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:** 5 organizations under Medicare reassignment (form CMS-855R): Healthlinc, Inc (NPI 1720033418, Elkhart, IN); Indiana United Psych LLC (NPI 1558237693, Indianapolis, IN); Viaquest Community Solutions, LLC (NPI 1508594094, Indianapolis, IN); Psychiatry Of Texas PLLC (NPI 1013476027, Houston, TX); Psychplus Medical Associates, PLLC (NPI 1558118026, Houston, TX) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2024
## Record status
- **NPPES last updated:** August 18, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1649157140) · Data from the CMS NPPES public registry.