Merrill Mathew
NPI 1982098463 · Forensic Psychiatry Physician · Stamford, CT
Enrolled with Medicare as Practitioner - Psychiatry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Merrill Mathew is a Forensic Psychiatry Physician provider in Stamford, CT (NPI 1982098463).
Provider details
- NPI number
- 1982098463
- Entity type
- Individual
- Primary specialty
- Forensic Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Sex
- Male
- Sole proprietor
- Yes
- License
- 62207 (CT)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
11 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
230 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Subsequent Hospital Care With Straightforward Or Low Level of Medical Decision Making, Per Day, If Using Time, at Least 25 Minutes99231 | 230 | $51 |
Typical Medicare-allowed amounts for these services range $51–$51 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 8 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Trazodone Hcl | 33 | 21 |
| Zolpidem Tartrate | 22 | — |
| Olanzapine | 16 | — |
| Bupropion Hclbrand: Bupropion Xl | 16 | — |
| Escitalopram Oxalate | 15 | — |
| Gabapentin | 13 | — |
| Lorazepam | 11 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2015-03-24
- Last updated
- 2025-01-15
- Certified
- 2025-01-15
Frequently asked questions
- What is Merrill Mathew's NPI number?
- Merrill Mathew's National Provider Identifier (NPI) is 1982098463, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Merrill Mathew's specialty?
- Merrill Mathew is listed in the NPPES registry with a primary specialty of Forensic Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is Merrill Mathew located?
- Merrill Mathew's practice location on file with NPPES is 28 1st St, Stamford, CT 06905-5117.
- What is Merrill Mathew's phone number?
- The practice phone number listed in the NPPES registry for Merrill Mathew is (475) 323-4326.
- Does Merrill Mathew accept Medicare?
- Merrill Mathew is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Merrill Mathew's NPI active?
- Yes — Merrill Mathew's NPI (1982098463) is active in the NPPES registry as of the last update on 2025-01-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.