DR. MERRILL MATHEW
NPI 1982098463
Psychiatry & Neurology - Forensic Psychiatry in Stamford, CT
About Dr. Merrill Mathew NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. MERRILL MATHEW (NPI 1982098463) is an individual forensic psychiatry provider in Stamford, Connecticut, licensed in Connecticut (62207) and active in the NPI registry since March 2015. He is enrolled in Medicare PECOS and is a graduate of Other (2015).
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. Merrill Mathew 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 Merrill Mathew reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Hartford, CT 06106
- Reassigned Medicare billing, Connecticut enrollment
- 1,921 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
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.
Other Providers at the Same Location NPPES 7
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 Merrill Mathew's NPI number?
The NPI number for Merrill Mathew is 1982098463. It was assigned to this individual provider in the NPPES registry on March 24, 2015.
Where is Merrill Mathew located?
Merrill Mathew practices at 28 1st St, Stamford, CT 06905. The listed phone number is (475) 323-4326.
What is Merrill Mathew's specialty?
The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Forensic Psychiatry, with taxonomy code 2084F0202X.
Is Merrill Mathew enrolled in Medicare?
Yes. Merrill Mathew 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 Merrill Mathew's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Merrill Mathew reassigns Medicare benefits to Hartford Healthcare Medical Group Specialists, PLLC (Hartford, CT). 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 Merrill Mathew's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Merrill Mathew accept?
Health plans from Anthem Blue Cross and Blue Shield list Merrill Mathew 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 Merrill Mathew was last updated on January 15, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 21 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.
# Dr. Merrill Mathew · NPI 1982098463
Forensic Psychiatry physician in Stamford, Connecticut. Individual provider, active in the CMS NPPES registry since March 24, 2015.
## Identity
- **NPI:** 1982098463 (Entity type: Individual)
- **Enumerated:** March 24, 2015
- **Primary specialty:** Psychiatry & Neurology - Forensic Psychiatry · taxonomy 2084F0202X
- **State license:** 62207 (Connecticut)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 28 1ST ST, Stamford, CT 06905-5117
- **Phone:** (475) 323-4326 · **Fax:** (475) 325-6217
## 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:** Hartford Healthcare Medical Group Specialists, PLLC (NPI 1023584216, Hartford, CT), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2015
## Record status
- **NPPES last updated:** January 15, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1982098463) · Data from the CMS NPPES public registry.