NPPES file of Aug 9, 2026

Carolyn Anne Fredericks, M.D.

Neurology Physician · New Haven, CT

Carolyn Anne Fredericks, M.D. is a neurology physician with a practice address in New Haven, Connecticut, and NPI 1285946061, issued on Jul 8, 2010. Check the license (Connecticut 63939, as entered in NPPES) on the Connecticut Medical Examining Board; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1285946061
Name
Carolyn Anne Fredericks
Credential
M.D.
Primary taxonomy
Neurology Physician 2084N0400X
License numbers
63939 CT
A119001 CA
Self-reported in NPPES; status is on the state search
Practice location
800 Howard Ave Lowr Level, New Haven, CT 06519
Phone
(203) 785-4085
Enumerated
Jul 8, 2010
Record last updated
Aug 11, 2019 (not updated in 7 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20190909000577); accepts Medicare assignment
Medical or professional school
Stanford University School Of Medicine, 2010
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 800 Howard Ave Lowr Level

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Aditya BodduNeurology Physician1346691409
  2. Victor Bushlyar, MDNeuromuscular Medicine (Psychiatry & Neurology) Physician1700441334
  3. Ylec Cardenas Castillo, M.D.Neuromuscular Medicine (Psychiatry & Neurology) Physician1770967549
  4. Carmen Carrion, PSYDClinical Neuropsychologist1467945675
  5. Eyiyemisi DamisahNeurological Surgery Physician1497045264
  6. Jeffrey Dewey, M.D.Neurology Physician1619315991

Verify Carolyn Anne Fredericks in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersConnecticut Medical Examining Board
    Search for license 63939
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Connecticut license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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70% fewer Medicare Part D claims than the average neurology physician in 2024

411 Medicare Part D claims for 75 beneficiaries, against an average of 1,370 among the 15,005 providers of this specialty who prescribed in Part D. Brand-name drugs were 3% of claims.

  1. Carolyn Fredericks411
  2. Specialty average1,370

Most prescribed

  1. Donepezil Hcl160 claims
  2. Sertraline Hcl55 claims
  3. Memantine Hcl46 claims
  4. Trazodone Hcl29 claims
  5. Rivastigmine26 claims
  6. Methylphenidate Hcl21 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

The practice group's MIPS final score for 2023 (Medicare payment program): 73.6 of 100

The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score75.8
  2. Costout of 100 · 30%51.4
  3. Promoting interoperabilityout of 100 · 25%74.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Bills Medicare through one group practice

  1. Yale UniversityNew Haven, CT

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

121 neurology physician records list a practice address in New Haven

They are 121 of the 9,793 NPPES records with a practice address in New Haven, and 345 neurology physician records in Connecticut.

Other neurology physician records in Connecticut

  1. Wasan Abd Wahab, M.D.New Haven, CT1881380053
  2. Ashish Adlakha, MDFarmington, CT1639344120
  3. Mohamed Afify, MDNew Haven, CT1033738588
  4. Anees Ahmed, MDManchester, CT1184692089
  5. Anthony Alessi, MDNorwich, CT1174573612
  6. Catherine Alessi, MDFarmington, CT1477896900
  7. Stephanie Alessi-Larosa, M.D., M.P.H.Hartford, CT1255742326
  8. Syed Musadiq Ali, MDHartford, CT1376276477
  9. Hamada Altalib, D.O.,M.P.H.West Haven, CT1073700548
  10. Susan Arnold, MDNew Haven, CT1720040587

Common questions

What is Carolyn Anne Fredericks, M.D.'s NPI number?

Carolyn Anne Fredericks, M.D.'s National Provider Identifier (NPI) is 1285946061, issued on Jul 8, 2010. An NPI identifies a provider in billing; it is not a license.

Where is Carolyn Anne Fredericks, M.D. located?

The NPPES record lists a practice address at 800 Howard Ave Lowr Level, New Haven, CT, 06519. Phone: (203) 785-4085. Providers update this record themselves, so call before visiting.

How can I verify Carolyn Anne Fredericks, M.D.'s license?

NPPES lists Connecticut license number 63939, as entered by the provider. Search the Connecticut Medical Examining Board at https://www.elicense.ct.gov/Lookup/LicenseLookup.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Carolyn Anne Fredericks, M.D. prescribe under Medicare Part D?

In 2024, Carolyn Anne Fredericks, M.D. had 411 Medicare Part D claims for 75 beneficiaries; the average among neurology physician prescribers was 1,370. Part D covers Medicare prescriptions only.

What is Carolyn Anne Fredericks, M.D.'s MIPS final score?

The 2023 MIPS final score is 73.6 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.