ANN MANTUA ASUNTO M.D.
NPI 1073747788
Family Medicine in Stamford, CT
About Ann Mantua Asunto M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ANN MANTUA ASUNTO M.D. (NPI 1073747788) is an individual family medicine provider in Stamford, Connecticut, licensed in Connecticut (047312) and active in the NPI registry since May 2009. She is enrolled in Medicare PECOS and maintains a secondary practice location in Stamford.
NPPES Registry Identity
Specialties & Licenses
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 (PECOS)
Ann Mantua Asunto M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
2Medicare enrollment records show Ann Asunto reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Stamford, CT 06901
- Reassigned Medicare billing, Connecticut enrollment
- 132 clinicians in this Medicare group
Danbury, CT 06810
- Reassigned Medicare billing, Connecticut enrollment
- 390 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 06905 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 20
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 Ann Asunto's NPI number?
The NPI number for Ann Asunto is 1073747788. It was assigned to this individual provider in the NPPES registry on May 8, 2009.
Where is Ann Asunto located?
Ann Asunto practices at 22 5th St, Stamford, CT 06905. The listed phone number is (203) 323-8160.
What is Ann Asunto's specialty?
The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.
Is Ann Asunto enrolled in Medicare?
Yes. Ann Asunto is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Ann Asunto's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Ann Asunto reassigns Medicare benefits to 2 organizations: Optimus Health Care (Stamford, CT) and Community Health Center Inc (Danbury, CT). 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 Ann Asunto's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Ann Asunto accept?
Health plans from Anthem Blue Cross and Blue Shield list Ann Asunto 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 Ann Asunto was last updated on November 10, 2023. 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.
# Ann Mantua Asunto, M.D. · NPI 1073747788
Family Medicine physician in Stamford, Connecticut. Individual provider, active in the CMS NPPES registry since May 8, 2009.
## Identity
- **NPI:** 1073747788 (Entity type: Individual)
- **Enumerated:** May 8, 2009
- **Primary specialty:** Family Medicine · taxonomy 207Q00000X
- **State license:** 047312 (Connecticut)
- **Sole proprietor:** No
## Practice location
- **Address:** 22 5TH ST, Stamford, CT 06905-5012
- **Phone:** (203) 323-8160
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **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): Optimus Health Care (NPI 1942574082, Stamford, CT); Community Health Center Inc (NPI 1003332446, Danbury, CT) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** November 10, 2023
- **Other identifiers:** Medicaid 004234788 (CT)
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Source: [NPI Profile](https://npiprofile.com/npi/1073747788) · Data from the CMS NPPES public registry.