NPPES file of Aug 9, 2026

Elizabeth McKinnis, M.D.

Internal Medicine Physician · Fairfield, CT

Elizabeth McKinnis, M.D. is an internal medicine physician with a practice address in Fairfield, Connecticut, and NPI 1659628915, issued on Aug 6, 2012. Check the license (Connecticut 043102, 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
1659628915
Name
Elizabeth McKinnis
Credential
M.D.
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
043102 CT
Self-reported in NPPES; status is on the state search
Practice location
363 Reef RD, Fairfield, CT 06824
Phone
(203) 255-0891
Enumerated
Aug 6, 2012
Record last updated
Aug 6, 2012 (not updated in 14 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20130220000139); accepts Medicare assignment
Medical or professional school
University Of Washington School Of Medicine, 1996
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 363 Reef RD

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

  1. Paul Bellofiore, MDInternal Medicine Physician1316906456

Verify Elizabeth McKinnis in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersConnecticut Medical Examining Board
    Search for license 043102
    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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19% more Medicare Part D claims than the average internal medicine physician in 2024

3,795 Medicare Part D claims for 472 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. 25 claims were for opioids.

  1. Elizabeth McKinnis3,795
  2. Specialty average3,176

Most prescribed

  1. Atorvastatin Calcium406 claims
  2. Amlodipine Besylate208 claims
  3. Levothyroxine Sodium185 claims
  4. Rosuvastatin Calcium162 claims
  5. Lisinopril142 claims
  6. Losartan Potassium128 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 MIPS final score for 2023 (Medicare payment program): 94.2 of 100

The Merit-based Incentive Payment System score is reported for this clinician. 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 score78.3
  2. Costnot scored (reweighted)
  3. Promoting interoperabilityout of 100 · 25%100.0
  4. Improvement activities40 of 40 points · 15%100.0

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

Bills Medicare through 2 group practices

  1. Nuvance Health Medical Practice CT IncDanbury, CT
  2. Rehabilitation Associates IncFairfield, CT

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

Elizabeth McKinnis among 2,623 internal medicine physician records in Connecticut

Elizabeth McKinnis, M.D. is one of 2,623 internal medicine physician records with a practice address in Connecticut. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2012, is newer than 67% of them.

  • NPI issued2012 · 67% of these records are older, 30% newer
  • In a Medicare fileYes · 81% of these records are
  • In the CMS Doctors and Clinicians fileYes · 63% of these records are
  • Graduated1996 · median 2004 among the 1,646 with a school on file
  • Record last updated2012 · 61% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Connecticut practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

36 internal medicine physician records list a practice address in Fairfield

They are 36 of the 1,446 NPPES records with a practice address in Fairfield, and 2,623 internal medicine physician records in Connecticut.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Fereshteh Ahmadian, M.D.Fairfield, CT 068241023055506
  2. Paul Bellofiore, MDFairfield, CT 068241316906456
  3. Kathleen Burlison, MDFairfield, CT 068241205862679
  4. Alla Chesky, MDFairfield, CT 068241194707463
  5. Peter Cimino, MDFairfield, CT 068241063473312
  6. Alma GarciaFairfield, CT 068241346281136
  7. Valerie I'Anson, M.D.Fairfield, CT 068241992779862
  8. Monica Jain, MDFairfield, CT 068241568423838

Common questions

What is Elizabeth McKinnis, M.D.'s NPI number?

Elizabeth McKinnis, M.D.'s National Provider Identifier (NPI) is 1659628915, issued on Aug 6, 2012. An NPI identifies a provider in billing; it is not a license.

Where is Elizabeth McKinnis, M.D. located?

The NPPES record lists a practice address at 363 Reef RD, Fairfield, CT, 06824. Phone: (203) 255-0891. Providers update this record themselves, so call before visiting.

How can I verify Elizabeth McKinnis, M.D.'s license?

NPPES lists Connecticut license number 043102, 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 Elizabeth McKinnis, M.D. prescribe under Medicare Part D?

In 2024, Elizabeth McKinnis, M.D. had 3,795 Medicare Part D claims for 472 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.

What is Elizabeth McKinnis, M.D.'s MIPS final score?

The 2023 MIPS final score is 94.2 of 100. 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.