Richard Mattson, MD
NPI 1578536538 · Neurology Physician · New Haven, CT
Enrolled with Medicare as Practitioner - Neurology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Richard Mattson, MD is a Neurology Physician provider in New Haven, CT (NPI 1578536538).
Provider details
- NPI number
- 1578536538
- Entity type
- Individual
- Primary specialty
- Neurology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 011509 (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
20 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
34 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 34 | $130 |
Typical Medicare-allowed amounts for these services range $130–$130 (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 · 23 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Lamotrigine | 90 | 20 |
| Divalproex Sodium | 73 | 13 |
| Carbamazepinebrand: Carbamazepine Er | 61 | 13 |
| Levetiracetam | 48 | 13 |
| Clobazam | 41 | 16 |
| Phenytoin Sodium Extendedbrand: Dilantin | 35 | — |
| Carbamazepinebrand: Tegretol Xr | 34 | — |
| Cannabidiol (cbd) |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-02-09
- Last updated
- 2011-03-15
Frequently asked questions
- What is Richard Mattson's NPI number?
- Richard Mattson's National Provider Identifier (NPI) is 1578536538, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Richard Mattson's specialty?
- Richard Mattson is listed in the NPPES registry with a primary specialty of Neurology Physician (Allopathic & Osteopathic Physicians).
- Where is Richard Mattson located?
- Richard Mattson's practice location on file with NPPES is 40 Temple St, New Haven, CT 06510-2715.
- What is Richard Mattson's phone number?
- The practice phone number listed in the NPPES registry for Richard Mattson is (203) 785-4085.
- Does Richard Mattson accept Medicare?
- Richard Mattson is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Richard Mattson's NPI active?
- Yes — Richard Mattson's NPI (1578536538) is active in the NPPES registry as of the last update on 2011-03-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.