Katherine Holzman, DO
NPI 1255778791 · Family Medicine Physician · Brownsburg, IN
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Katherine Holzman, DO is a Family Medicine Physician provider in Brownsburg, IN (NPI 1255778791).
Provider details
- NPI number
- 1255778791
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- DO
- Sex
- Female
- Sole proprietor
- No
- License
- 02008330A (IN)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Student, Health Care
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
489 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 | 176 | $132 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 144 | $90 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 63 | $138 |
| Hemoglobin A1c Level83036 | 39 | $10 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 32 | $17 |
| Administration of Influenza Virus Vaccine |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 72 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Amlodipine Besylate | 268 | 85 |
| Atorvastatin Calcium | 258 | 85 |
| Levothyroxine Sodium | 253 | 74 |
| Rosuvastatin Calcium | 189 | 63 |
| Lisinopril | 173 | 53 |
| Escitalopram Oxalate | 146 | 36 |
| Metformin Hcl |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$785 across 37 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)
- 13114 Fm 1960 Rd WSuite 119Houston, TX 77065-4290Phone: (281) 890-6446
Registry dates
- Enumerated
- 2013-05-23
- Last updated
- 2026-04-14
- Certified
- 2026-04-14
Frequently asked questions
- What is Katherine Holzman's NPI number?
- Katherine Holzman's National Provider Identifier (NPI) is 1255778791, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Katherine Holzman's specialty?
- Katherine Holzman is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Katherine Holzman located?
- Katherine Holzman's practice location on file with NPPES is 1375 N Green St Ste 100, Brownsburg, IN 46112-8734.
- What is Katherine Holzman's phone number?
- The practice phone number listed in the NPPES registry for Katherine Holzman is (317) 852-2251.
- Does Katherine Holzman accept Medicare?
- Katherine Holzman is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Katherine Holzman's NPI active?
- Yes — Katherine Holzman's NPI (1255778791) is active in the NPPES registry as of the last update on 2026-04-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.