NPPES file of Aug 9, 2026

Jack Avak Tertadian, M.D.

Internal Medicine Physician · Cudahy, WI

Jack Avak Tertadian, M.D. is an internal medicine physician with a practice address in Cudahy, Wisconsin, and NPI 1689780462, issued on Aug 22, 2006. Check the license (Wisconsin 34176-020, as entered in NPPES) on the Wisconsin 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
1689780462
Name
Jack Avak Tertadian
Credential
M.D.
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
34176-020 WI
Self-reported in NPPES; status is on the state search
Practice location
5900 S. Lake Drive, Cudahy, WI 53110
Phone
(414) 489-4190
Enumerated
Aug 22, 2006
Record last updated
Aug 2, 2024
Fax
(414) 489-4015
Medicaid ID
31953000 WI
Medicare enrollment
Enrolled (PECOS I20050607001264); accepts Medicare assignment
Medical or professional school
Medical College Of Wisconsin, 1990
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 5900 S. Lake Drive

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

  1. Nicholas Armstrong, MDSurgery Physician1457329534
  2. Thomas Broihier, MDCardiovascular Disease Physician1578641155
  3. Stephen Lamberton, MDFamily Medicine Physician1558435123
  4. Dexter Rebancos, MDFamily Medicine Physician1801974399

Verify Jack Avak Tertadian in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWisconsin Medical Examining Board
    Search for license 34176-020
    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 Wisconsin 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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27% more Medicare Part D claims than the average internal medicine physician in 2024

4,046 Medicare Part D claims for 307 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 8% of claims.

  1. Jack Tertadian4,046
  2. Specialty average3,176

Most prescribed

  1. Atorvastatin Calcium251 claims
  2. Lisinopril207 claims
  3. Amlodipine Besylate182 claims
  4. Metoprolol Succinate172 claims
  5. Losartan Potassium165 claims
  6. Furosemide163 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 2 group practices

  1. Advantage Physical Therapy And Sports Rehab, LLCMount Pleasant, WI
  2. Lakeshore Medical Clinic LLCSaint Francis, WI

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

Jack Avak Tertadian among 2,078 internal medicine physician records in Wisconsin

Jack Avak Tertadian, M.D. is one of 2,078 internal medicine physician records with a practice address in Wisconsin. 70% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 9% of them.

  • NPI issued2006 · 9% of these records are older, 46% newer
  • In a Medicare fileYes · 70% of these records are
  • In the CMS Doctors and Clinicians fileYes · 53% of these records are
  • Graduated1990 · median 2002 among the 1,098 with a school on file
  • Record last updated2024 · 55% 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 Wisconsin practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

6 internal medicine physician records list a practice address in Cudahy

They are 6 of the 174 NPPES records with a practice address in Cudahy, and 2,078 internal medicine physician records in Wisconsin.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Susan Felsenthal, MDCudahy, WI 531101437264512
  2. Armando Nunag, MDCudahy, WI 531101649385139
  3. Michael Nunag, D.O.Cudahy, WI 531101588827729
  4. Meenaxi Shah, MDCudahy, WI 531101932217155
  5. Javed SheikhCudahy, WI 531101790888931
  6. Rajbir Dhillon, M.D.Burlington, WI 531051871615096
  7. Elizabeth Joseph, M.D.Burlington, WI 531051962424333
  8. Clifford Poplar, M.D.Delavan, WI 531151942396718

Common questions

What is Jack Avak Tertadian, M.D.'s NPI number?

Jack Avak Tertadian, M.D.'s National Provider Identifier (NPI) is 1689780462, issued on Aug 22, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Jack Avak Tertadian, M.D. located?

The NPPES record lists a practice address at 5900 S. Lake Drive, Cudahy, WI, 53110. Phone: (414) 489-4190. Providers update this record themselves, so call before visiting.

How can I verify Jack Avak Tertadian, M.D.'s license?

NPPES lists Wisconsin license number 34176-020, as entered by the provider. Search the Wisconsin Medical Examining Board at https://dsps.wi.gov/Pages/BoardsCouncils/MEB/Default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Jack Avak Tertadian, M.D. prescribe under Medicare Part D?

In 2024, Jack Avak Tertadian, M.D. had 4,046 Medicare Part D claims for 307 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.