Carolyn Fredericks, M.D.
NPI 1285946061 · Neurology Physician · New Haven, CT
Enrolled with Medicare as Practitioner - Neurology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Carolyn Fredericks, M.D. is a Neurology Physician provider in New Haven, CT (NPI 1285946061).
Provider details
- NPI number
- 1285946061
- Entity type
- Individual
- Primary specialty
- Neurology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- A119001 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
16 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
95 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 High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 74 | $184 |
| New Patient Office Or Other Outpatient Visit With a High Level of Medical Decision Making, If Using Time, 60 Minutes Or More99205 | 21 | $230 |
Typical Medicare-allowed amounts for these services range $184–$230 (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 · 9 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Donepezil Hcl | 160 | 46 |
| Sertraline Hcl | 55 | 14 |
| Memantine Hcl | 46 | 14 |
| Trazodone Hcl | 29 | — |
| Rivastigmine | 26 | — |
| Methylphenidate Hcl | 21 | — |
| Memantine Hclbrand: Memantine Hcl Er | 16 | — |
Practice location
Mailing address
Registry dates
- Enumerated
- 2010-07-08
- Last updated
- 2019-08-11
Frequently asked questions
- What is Carolyn Fredericks's NPI number?
- Carolyn Fredericks's National Provider Identifier (NPI) is 1285946061, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Carolyn Fredericks's specialty?
- Carolyn Fredericks is listed in the NPPES registry with a primary specialty of Neurology Physician (Allopathic & Osteopathic Physicians).
- Where is Carolyn Fredericks located?
- Carolyn Fredericks's practice location on file with NPPES is 800 Howard Ave Lowr Level, New Haven, CT 06519-1369.
- What is Carolyn Fredericks's phone number?
- The practice phone number listed in the NPPES registry for Carolyn Fredericks is (203) 785-4085.
- Does Carolyn Fredericks accept Medicare?
- Carolyn Fredericks is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Carolyn Fredericks's NPI active?
- Yes — Carolyn Fredericks's NPI (1285946061) is active in the NPPES registry as of the last update on 2019-08-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.