Jack Tertadian, M.D.
NPI 1689780462 · Internal Medicine Physician · Cudahy, WI
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Jack Tertadian, M.D. is a Internal Medicine Physician provider in Cudahy, WI (NPI 1689780462).
Provider details
- NPI number
- 1689780462
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 34176-020 (WI)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
19 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
495 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 139 | $168 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 110 | $120 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 89 | $120 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 56 | $8 |
| Anticoagulant Management of Patient Taking Warfarin93793 | 36 | $11 |
| Administration of Influenza Virus VaccineG0008 | 23 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 60 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 251 | 71 |
| Lisinopril | 207 | 56 |
| Amlodipine Besylate | 182 | 55 |
| Metoprolol Succinate | 172 | 50 |
| Losartan Potassium | 165 | 43 |
| Furosemide | 163 | 37 |
| Levothyroxine Sodium |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-08-22
- Last updated
- 2024-08-02
- Certified
- 2024-08-02
Frequently asked questions
- What is Jack Tertadian's NPI number?
- Jack Tertadian's National Provider Identifier (NPI) is 1689780462, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Jack Tertadian's specialty?
- Jack Tertadian is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Jack Tertadian located?
- Jack Tertadian's practice location on file with NPPES is 5900 S. Lake Drive, Cudahy, WI 53110.
- What is Jack Tertadian's phone number?
- The practice phone number listed in the NPPES registry for Jack Tertadian is (414) 489-4190.
- Does Jack Tertadian accept Medicare?
- Jack Tertadian is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Jack Tertadian's NPI active?
- Yes — Jack Tertadian's NPI (1689780462) is active in the NPPES registry as of the last update on 2024-08-02.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.