Margaret Karis Fikrig, M.D.
Infectious Disease Physician · New Haven, CT
Margaret Karis Fikrig, M.D. is an infectious disease physician with a practice address in New Haven, Connecticut, and NPI 1376870485, issued on Nov 10, 2009. Check the license (Connecticut 029449, as entered in NPPES) on the Connecticut Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Margaret Karis Fikrig
- Credential
- M.D.
- Primary taxonomy
- Infectious Disease Physician 207RI0200X
- License number
- 029449 CT
Self-reported in NPPES; status is on the state search - Practice location
- 15 York St, New Haven, CT 06510
- Phone
- (203) 688-5303
- Enumerated
- Nov 10, 2009
- Record last updated
- Jan 20, 2011 (not updated in 15 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest infectious disease physician records → All 202 in Connecticut → Look up another NPI →
Also registered at 15 York St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Diana AthonvarangkulEndocrinology, Diabetes & Metabolism Physician1275980450
- Nigel Bamford, MDNeurology with Special Qualifications in Child Neurology Physician1639255318
- Ami Belmont, M.D.Internal Medicine Physician1295183226
- Jean Bolognia, MDDermatology Physician1942291331
Verify Margaret Karis Fikrig in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersConnecticut Medical Examining Board
Search for license 029449Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
54% fewer Medicare Part D claims than the average infectious disease physician in 2024
318 Medicare Part D claims for 26 beneficiaries, against an average of 689 among the 7,388 providers of this specialty who prescribed in Part D. Brand-name drugs were 43% of claims. 32 claims were for opioids.
Most prescribed
- Biktarvy44 claims
- Pravastatin Sodium24 claims
- Oxycontin21 claims
- Rosuvastatin Calcium18 claims
- Symtuza15 claims
- Gabapentin14 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.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Margaret Karis Fikrig among 202 infectious disease physician records in Connecticut
Margaret Karis Fikrig, M.D. is one of 202 infectious disease physician records with a practice address in Connecticut. 77% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2009, is newer than 61% of them.
- NPI issued2009 · 61% of these records are older, 34% newer
- In a Medicare fileYes · 77% of these records are
- In the CMS Doctors and Clinicians fileNo · 68% of these records are
- Record last updated2011 · 66% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RI0200X and a Connecticut practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Infectious Disease Physician providers in Connecticut
There are 202 infectious disease physician records in Connecticut.
All 202 in Connecticut → Every provider in New Haven → Infectious Disease Physician nationwide →
The 8 infectious disease physician records with the nearest ZIP codes
- Anoli Borad, MDNew Haven, CT 065101699881532
- David Calfee, MDNew Haven, CT 065101467481291
- Mahalia Desruisseaux, MDNew Haven, CT 065101063603918
- Brinda Emu, MDNew Haven, CT 065101245328509
- Gerald Friedland, MDNew Haven, CT 065101174506653
- Mark Lustberg, MDNew Haven, CT 065101104948934
- Richard Martinello, MDNew Haven, CT 065101639152846
- Lynn MatthewsNew Haven, CT 065101316016439
Common questions
What is Margaret Karis Fikrig, M.D.'s NPI number?
Margaret Karis Fikrig, M.D.'s National Provider Identifier (NPI) is 1376870485, issued on Nov 10, 2009. An NPI identifies a provider in billing; it is not a license.
Where is Margaret Karis Fikrig, M.D. located?
The NPPES record lists a practice address at 15 York St, New Haven, CT, 06510. Phone: (203) 688-5303. Providers update this record themselves, so call before visiting.
How can I verify Margaret Karis Fikrig, M.D.'s license?
NPPES lists Connecticut license number 029449, 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 Margaret Karis Fikrig, M.D. prescribe under Medicare Part D?
In 2024, Margaret Karis Fikrig, M.D. had 318 Medicare Part D claims for 26 beneficiaries; the average among infectious disease physician prescribers was 689. Part D covers Medicare prescriptions only.
What is Margaret Karis Fikrig, 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.