Jeffrey Gatz, MD
NPI 1609868207 · Internal Medicine Physician · Valparaiso, IN
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Jeffrey Gatz, MD is a Internal Medicine Physician provider in Valparaiso, IN (NPI 1609868207).
Provider details
- NPI number
- 1609868207
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 01049226A (IN)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
20 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
444 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
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 .
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) |
|---|---|---|
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 139 | $120 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 102 | $83 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 80 | $119 |
| Hemoglobin A1c Level83036 | 70 | $10 |
| Administration of Influenza Virus VaccineG0008 | 27 | $30 |
| Administration of Pneumococcal VaccineG0009 | 14 | $30 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 85 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 387 | 108 |
| Amlodipine Besylate | 297 | 83 |
| Levothyroxine Sodium | 228 | 54 |
| Losartan Potassium | 202 | 49 |
| Metformin Hcl | 159 | 43 |
| Hydrochlorothiazide | 152 | 48 |
| Lisinopril |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$23 across 1 record (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2005-08-19
- Last updated
- 2023-08-08
- Certified
- 2023-08-08
Frequently asked questions
- What is Jeffrey Gatz's NPI number?
- Jeffrey Gatz's National Provider Identifier (NPI) is 1609868207, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Jeffrey Gatz's specialty?
- Jeffrey Gatz is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Jeffrey Gatz located?
- Jeffrey Gatz's practice location on file with NPPES is 2421 Laporte Ave, Valparaiso, IN 46383-6914.
- What is Jeffrey Gatz's phone number?
- The practice phone number listed in the NPPES registry for Jeffrey Gatz is (219) 462-6192.
- Does Jeffrey Gatz accept Medicare?
- Jeffrey Gatz is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Jeffrey Gatz's NPI active?
- Yes — Jeffrey Gatz's NPI (1609868207) is active in the NPPES registry as of the last update on 2023-08-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.