MARIAM ANSARI
NPI 1164884334
Family Medicine in Stamford, CT
About Mariam Ansari NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MARIAM ANSARI (NPI 1164884334) is an individual family medicine provider in Stamford, Connecticut, licensed in Connecticut (79980) and active in the NPI registry since March 2016. She is enrolled in Medicare PECOS, maintains 2 additional practice locations, and is a graduate of Other (2016).
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Locations 2
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
Mariam Ansari 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
4Medicare enrollment records show Mariam Ansari reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Greenwich, CT 06830
- Reassigned Medicare billing, Connecticut enrollment
- 268 clinicians in this Medicare group
Greenwich, CT 06830
- Reassigned Medicare billing, Connecticut enrollment
- Medicare enrollment name: Northeast Medical Group Inc
- 1,824 clinicians in this Medicare group
Jamaica, NY 11418
- Reassigned Medicare billing, New York enrollment
- Medicare enrollment name: Tjh Medical Services PC
- 497 clinicians in this Medicare group
Williamsville, NY 14221
- Reassigned Medicare billing, New York enrollment
- 344 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 6
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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 06902 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 16
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
STAMFORD, CT 06902
STAMFORD, CT 06902
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 Mariam Ansari's NPI number?
The NPI number for Mariam Ansari is 1164884334. It was assigned to this individual provider in the NPPES registry on March 25, 2016.
Where is Mariam Ansari located?
Mariam Ansari practices at 260 Long Ridge Rd, Stamford, CT 06902. The listed phone number is (475) 619-6035.
What is Mariam Ansari's specialty?
The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.
Is Mariam Ansari enrolled in Medicare?
Yes. Mariam Ansari 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 Mariam Ansari's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Mariam Ansari reassigns Medicare benefits to 4 organizations: Greenwich Hospital (Greenwich, CT), Mill Hill Medical Consultants Inc (Greenwich, CT), Tjh Medical Services, P.C. (Jamaica, NY) and Buffalo Medical Group, P.C. (Williamsville, NY). 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 Mariam Ansari's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Mariam Ansari accept?
Health plans from Anthem Blue Cross and Blue Shield list Mariam Ansari 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 Mariam Ansari was last updated on April 18, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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.
# Mariam Ansari · NPI 1164884334
Family Medicine physician in Stamford, Connecticut. Individual provider, active in the CMS NPPES registry since March 25, 2016.
## Identity
- **NPI:** 1164884334 (Entity type: Individual)
- **Enumerated:** March 25, 2016
- **Primary specialty:** Family Medicine · taxonomy 207Q00000X
- **State license:** 79980 (Connecticut)
- **Sole proprietor:** No
## Practice location
- **Address:** 260 LONG RIDGE RD, Stamford, CT 06902-1638
- **Phone:** (475) 619-6035
## 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:** 4 organizations under Medicare reassignment (form CMS-855R): Greenwich Hospital (NPI 1609846088, Greenwich, CT); Mill Hill Medical Consultants Inc (NPI 1881607232, Greenwich, CT); Tjh Medical Services, P.C. (NPI 1184670465, Jamaica, NY); Buffalo Medical Group, P.C. (NPI 1881659506, Williamsville, NY) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2016
## Record status
- **NPPES last updated:** April 18, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1164884334) · Data from the CMS NPPES public registry.