NPPES file of Aug 9, 2026

Sarah Katherine Apgar, MD

Hospitalist Physician · New Haven, CT

Sarah Katherine Apgar, MD is a hospitalist physician with a practice address in New Haven, Connecticut, and NPI 1043497779, issued on Jan 24, 2008. Check the license (Connecticut 046610, 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 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1043497779
Name
Sarah Katherine Apgar
Credential
MD
Primary taxonomy
Hospitalist Physician 208M00000X
License number
046610 CT
Self-reported in NPPES; status is on the state search
Practice location
20 York St CB-2041, New Haven, CT 06504
Phone
(203) 688-4748
Enumerated
Jan 24, 2008
Record last updated
Jan 6, 2015 (not updated in 11 years: call before relying on the address or phone)
Fax
(203) 688-4740
Medicare enrollment
Enrolled (PECOS I20151021002167); accepts Medicare assignment
Medical or professional school
Icahn School Of Medicine At Mount Sinai, 2005
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 20 York St CB-2041

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

  1. Elaine Bonoan, PA-CMedical Physician Assistant1437241361
  2. David Brissette, P.A.Medical Physician Assistant1841317393
  3. Kerstin Calia, MDHospitalist Physician1386627503
  4. Maria Courtney, P.A.Medical Physician Assistant1265559587
  5. William Cushing, P.A.Medical Physician Assistant1104943455
  6. Angela Delisle, PA-CPhysician Assistant1669584777

Verify Sarah Katherine Apgar in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersConnecticut Medical Examining Board
    Search for license 046610
    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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93% fewer Medicare Part D claims than the average hospitalist physician in 2024

35 Medicare Part D claims for 17 beneficiaries, against an average of 521 among the 21,613 providers of this specialty who prescribed in Part D.

  1. Sarah Apgar35
  2. Specialty average521

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.

Bills Medicare through one group practice

  1. Regents OF The University OF CaliforniaSan Francisco, CA

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

Sarah Katherine Apgar among 400 hospitalist physician records in Connecticut

Sarah Katherine Apgar, MD is one of 400 hospitalist physician records with a practice address in Connecticut. 94% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2008, is newer than 23% of them.

  • NPI issued2008 · 23% of these records are older, 69% newer
  • In a Medicare fileYes · 94% of these records are
  • In the CMS Doctors and Clinicians fileYes · 83% of these records are
  • Graduated2005 · median 2011 among the 332 with a school on file
  • Record last updated2015 · 51% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208M00000X and a Connecticut practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

171 hospitalist physician records list a practice address in New Haven

They are 171 of the 9,793 NPPES records with a practice address in New Haven, and 400 hospitalist physician records in Connecticut.

The 8 hospitalist physician records with the nearest ZIP codes

  1. Lirim Ameti, M.D.New Haven, CT 065041316009608
  2. Senai Asefaw, M.D.New Haven, CT 065041801939343
  3. Arina Cadariu, M.D.New Haven, CT 065041922141969
  4. Kerstin Calia, MDNew Haven, CT 065041386627503
  5. Leonard Calo, MDNew Haven, CT 065041033305545
  6. Christine Chen, M.D.New Haven, CT 065041134189707
  7. Edward Francois, M.D.New Haven, CT 065041598761546
  8. Olutayo Imevbore, M.D.New Haven, CT 065041750447421

Common questions

What is Sarah Katherine Apgar, MD's NPI number?

Sarah Katherine Apgar, MD's National Provider Identifier (NPI) is 1043497779, issued on Jan 24, 2008. An NPI identifies a provider in billing; it is not a license.

Where is Sarah Katherine Apgar, MD located?

The NPPES record lists a practice address at 20 York St CB-2041, New Haven, CT, 06504. Phone: (203) 688-4748. Providers update this record themselves, so call before visiting.

How can I verify Sarah Katherine Apgar, MD's license?

NPPES lists Connecticut license number 046610, 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 Sarah Katherine Apgar, MD prescribe under Medicare Part D?

In 2024, Sarah Katherine Apgar, MD had 35 Medicare Part D claims for 17 beneficiaries; the average among hospitalist physician prescribers was 521. Part D covers Medicare prescriptions only.

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.