NPPES file of Aug 9, 2026

Arun Chakravarthy Nachiappan, MD

Hospitalist Physician · Bridgeport, CT

Arun Chakravarthy Nachiappan, MD is a hospitalist physician with a practice address in Bridgeport, Connecticut, and NPI 1023512811, issued on Mar 19, 2018. Check the license (Connecticut 0068594, 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
1023512811
Name
Arun Chakravarthy Nachiappan
Credential
MD
Primary taxonomy
Hospitalist Physician 208M00000X
License number
0068594 CT
Self-reported in NPPES; status is on the state search
Practice location
267 Grant St, Bridgeport, CT 06610
Phone
(281) 797-2850
Enumerated
Mar 19, 2018
Record last updated
Jul 11, 2022
Medicare enrollment
Enrolled (PECOS I20240229000146); accepts Medicare assignment
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 267 Grant St

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

  1. Justin AbbateCertified Registered Nurse Anesthetist1811780497
  2. Mahmoud AbdelhadiHospitalist Physician1376116574
  3. Shaun AbidStudent in an Organized Health Care Education/Training Program1194428565
  4. Kwame Adjei-SefahStudent in an Organized Health Care Education/Training Program1306648589
  5. Khashayar AfshariStudent in an Organized Health Care Education/Training Program1942002092
  6. Shadi Afyouni, MDStudent in an Organized Health Care Education/Training Program1023811031

Verify Arun Chakravarthy Nachiappan in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersConnecticut Medical Examining Board
    Search for license 0068594
    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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43% fewer Medicare Part D claims than the average hospitalist physician in 2024

298 Medicare Part D claims for 123 beneficiaries, against an average of 521 among the 21,613 providers of this specialty who prescribed in Part D.

  1. Arun Nachiappan298
  2. Specialty average521

Most prescribed

  1. Furosemide18 claims
  2. Eliquis14 claims
  3. Amoxicillin-Clavulanate Potass12 claims
  4. Atorvastatin Calcium12 claims
  5. Prednisone11 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): 93.3 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 score81.7
  2. Costnot scored (reweighted)
  3. Promoting interoperabilityout of 100 · 25%78.0
  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. Associated Physicians OF Harvard Medical Faculty Physicians AT Beth ISNew Bedford, MA
  2. Harvard Medical Faculty Phys AT Beth Israel Deaconess Med Ctr IncBoston, MA

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

Arun Chakravarthy Nachiappan among 400 hospitalist physician records in Connecticut

Arun Chakravarthy Nachiappan, 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 2018, is newer than 69% of them.

  • NPI issued2018 · 69% of these records are older, 26% newer
  • In a Medicare fileYes · 94% of these records are
  • In the CMS Doctors and Clinicians fileYes · 83% of these records are
  • Graduated2016 · median 2011 among the 332 with a school on file
  • Record last updated2022 · 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).

46 hospitalist physician records list a practice address in Bridgeport

They are 46 of the 2,980 NPPES records with a practice address in Bridgeport, and 400 hospitalist physician records in Connecticut.

The 8 hospitalist physician records with the nearest ZIP codes

  1. William Cheuk, MDBridgeport, CT 066101275798761
  2. Frances Denu, MDBridgeport, CT 066101124427042
  3. Sahil Goyal, M.D.Bridgeport, CT 066101376963355
  4. Freda Kennedy, M.D.Bridgeport, CT 066101619310943
  5. Krishna KilaruBridgeport, CT 066101598152936
  6. Charles Kochan, M.D.Bridgeport, CT 066101467473298
  7. Pranitha Mantrala, MDBridgeport, CT 066101578843496
  8. Steluta Nedelcuta, M.D.Bridgeport, CT 066101386971463

Common questions

What is Arun Chakravarthy Nachiappan, MD's NPI number?

Arun Chakravarthy Nachiappan, MD's National Provider Identifier (NPI) is 1023512811, issued on Mar 19, 2018. An NPI identifies a provider in billing; it is not a license.

Where is Arun Chakravarthy Nachiappan, MD located?

The NPPES record lists a practice address at 267 Grant St, Bridgeport, CT, 06610. Phone: (281) 797-2850. Providers update this record themselves, so call before visiting.

How can I verify Arun Chakravarthy Nachiappan, MD's license?

NPPES lists Connecticut license number 0068594, 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 Arun Chakravarthy Nachiappan, MD prescribe under Medicare Part D?

In 2024, Arun Chakravarthy Nachiappan, MD had 298 Medicare Part D claims for 123 beneficiaries; the average among hospitalist physician prescribers was 521. Part D covers Medicare prescriptions only.

What is Arun Chakravarthy Nachiappan, MD's MIPS final score?

The 2023 MIPS final score is 93.3 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.