NPPES file of Aug 9, 2026

Karla Tejada Arias, MD

Internal Medicine Physician · New Haven, CT

Karla Tejada Arias, MD is an internal medicine physician with a practice address in New Haven, Connecticut, and NPI 1104347905, issued on Jun 30, 2017. Check the license (Connecticut 66995, 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
1104347905
Name
Karla Tejada Arias
Credential
MD
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
66995 CT
Self-reported in NPPES; status is on the state search
Practice location
374 Grand Ave, New Haven, CT 06513
Phone
(203) 777-7411
Enumerated
Jun 30, 2017
Record last updated
Jul 9, 2021 (not updated in 5 years: call before relying on the address or phone)
Fax
(203) 777-8506
Medicare enrollment
Enrolled (PECOS I20210716001268); 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 374 Grand Ave

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

  1. Sharon Anderson, MDFamily Medicine Physician1427230614
  2. Mark Austin, MS, NCC, LPCProfessional Counselor1053690784
  3. Cindy Avila, LPCProfessional Counselor1790108652
  4. Susannah Bernheim, MDFamily Medicine Physician1689789224
  5. Joel Bluman, MDFamily Medicine Physician1043855521
  6. Renu Boatright, M.D.Pediatrics Physician1407023252

Verify Karla Tejada Arias in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersConnecticut Medical Examining Board
    Search for license 66995
    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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4.5 times the Medicare Part D claims of the average internal medicine physician in 2024

14,282 Medicare Part D claims for 708 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 20% of claims. 153 claims were for opioids.

  1. Karla Tejada Arias14,282
  2. Specialty average3,176

Most prescribed

  1. Atorvastatin Calcium737 claims
  2. Amlodipine Besylate689 claims
  3. Gabapentin483 claims
  4. Pantoprazole Sodium441 claims
  5. Rosuvastatin Calcium434 claims
  6. Lisinopril415 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.

Bills Medicare through one group practice

  1. Fair Haven Community Health Clinic IncNew Haven, CT

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

Karla Tejada Arias among 2,623 internal medicine physician records in Connecticut

Karla Tejada Arias, MD 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 2017, is newer than 80% of them.

  • NPI issued2017 · 80% of these records are older, 18% newer
  • In a Medicare fileYes · 81% of these records are
  • In the CMS Doctors and Clinicians fileYes · 63% of these records are
  • Graduated2012 · median 2004 among the 1,646 with a school on file
  • Record last updated2021 · 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).

329 internal medicine physician records list a practice address in New Haven

They are 329 of the 9,793 NPPES records with a practice address in New Haven, and 2,623 internal medicine physician records in Connecticut.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Laurie Bridger, MDNew Haven, CT 065131720182876
  2. Karen Dahl, M.D.New Haven, CT 065131316056930
  3. Mehul Dalal, M.D.New Haven, CT 065131528256849
  4. Charles Dela Cruz, MD PHDNew Haven, CT 065131467548396
  5. Kelly Kyanko, M.D.New Haven, CT 065131881879674
  6. Nilda Leon-Smith, MDNew Haven, CT 065131992807937
  7. Mario Ochoa Prieto, M.D.New Haven, CT 065131407206295
  8. Douglas Olson, M.D.New Haven, CT 065131972788792

Common questions

What is Karla Tejada Arias, MD's NPI number?

Karla Tejada Arias, MD's National Provider Identifier (NPI) is 1104347905, issued on Jun 30, 2017. An NPI identifies a provider in billing; it is not a license.

Where is Karla Tejada Arias, MD located?

The NPPES record lists a practice address at 374 Grand Ave, New Haven, CT, 06513. Phone: (203) 777-7411. Providers update this record themselves, so call before visiting.

How can I verify Karla Tejada Arias, MD's license?

NPPES lists Connecticut license number 66995, 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 Karla Tejada Arias, MD prescribe under Medicare Part D?

In 2024, Karla Tejada Arias, MD had 14,282 Medicare Part D claims for 708 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.