Jeffrey Klak, DO
NPI 1134568991 · Family Medicine Physician · Fishers, IN
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Jeffrey Klak, DO is a Family Medicine Physician provider in Fishers, IN (NPI 1134568991).
Provider details
- NPI number
- 1134568991
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- DO
- Sex
- Male
- Sole proprietor
- Yes
- License
- 11017330A (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
13 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
334 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 139 | $119 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 96 | $9 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 54 | $84 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 22 | $120 |
| Administration of Influenza Virus VaccineG0008 | 12 | $28 |
| Administration of Pneumococcal VaccineG0009 | 11 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 103 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 320 | 99 |
| Levothyroxine Sodium | 200 | 57 |
| Losartan Potassium | 168 | 45 |
| Amlodipine Besylate | 160 | 45 |
| Omeprazole | 128 | 42 |
| Rosuvastatin Calcium | 126 | 43 |
| Lisinopril |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$32 across 2 records (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
Additional practice locations (1)
- 510 E State Road 32Suite aWestfield, IN 46074-8767Phone: (317) 867-5263Fax: (317) 867-2031
Registry dates
- Enumerated
- 2013-06-14
- Last updated
- 2025-08-08
- Certified
- 2025-08-08
Frequently asked questions
- What is Jeffrey Klak's NPI number?
- Jeffrey Klak's National Provider Identifier (NPI) is 1134568991, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Jeffrey Klak's specialty?
- Jeffrey Klak is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Jeffrey Klak located?
- Jeffrey Klak's practice location on file with NPPES is 11100 USA Pkwy Ste 1100, Fishers, IN 46037-9205.
- What is Jeffrey Klak's phone number?
- The practice phone number listed in the NPPES registry for Jeffrey Klak is (317) 678-3850.
- Does Jeffrey Klak accept Medicare?
- Jeffrey Klak is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Jeffrey Klak's NPI active?
- Yes — Jeffrey Klak's NPI (1134568991) is active in the NPPES registry as of the last update on 2025-08-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.