Gerald Mader, MD
NPI 1922174234 · Family Medicine Physician · Whiteland, IN
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Gerald Mader, MD is a Family Medicine Physician provider in Whiteland, IN (NPI 1922174234).
Provider details
- NPI number
- 1922174234
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 01044523 (IN)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
19 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
3 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
424 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 Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 194 | $86 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 181 | $121 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 37 | $122 |
| Administration of Influenza Virus VaccineG0008 | 12 | $29 |
Typical Medicare-allowed amounts for these services range $29–$122 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 123 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 250 | 35 |
| Atorvastatin Calcium | 193 | 59 |
| Clonazepam | 172 | 23 |
| Omeprazole | 147 | 36 |
| Rosuvastatin Calcium | 139 | 38 |
| Oxycodone Hcl/Acetaminophenbrand: Oxycodone-Acetaminophen | 130 | 23 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,648 across 76 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 (2)
- 1155 W Jefferson St Ste 101Franklin, IN 46131-2731Phone: (317) 736-6133Fax: (317) 736-6403
- 3000 S State Road 135 Ste 200Greenwood, IN 46143-9829Phone: (317) 736-6133Fax: (317) 736-6133
Registry dates
- Enumerated
- 2006-11-28
- Last updated
- 2021-05-11
- Certified
- 2021-05-11
Frequently asked questions
- What is Gerald Mader's NPI number?
- Gerald Mader's National Provider Identifier (NPI) is 1922174234, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gerald Mader's specialty?
- Gerald Mader is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Gerald Mader located?
- Gerald Mader's practice location on file with NPPES is 8 N US 31 Ste a, Whiteland, IN 46184-1546.
- What is Gerald Mader's phone number?
- The practice phone number listed in the NPPES registry for Gerald Mader is (317) 736-6133.
- Does Gerald Mader accept Medicare?
- Gerald Mader is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Gerald Mader's NPI active?
- Yes — Gerald Mader's NPI (1922174234) is active in the NPPES registry as of the last update on 2021-05-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.