Horst Filtzer, M.D.
NPI 1417018862 · Internal Medicine Physician · Bullhead City, AZ
Enrolled with Medicare as Practitioner - General Surgery · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Horst Filtzer, M.D. is a Internal Medicine Physician provider in Bullhead City, AZ (NPI 1417018862).
Provider details
- NPI number
- 1417018862
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 35139 (AZ)
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
19 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
266 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 Straightforward Medical Decision Making, If Using Time, 10 Minutes Or More99212 | 90 | $55 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 70 | $82 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 67 | $120 |
| Removal of Tissue From Wound, 20.0 Sq Cm Or Less97597 | 25 | $45 |
| Removal of Skin and Tissue, 20.0 Sq Cm Or Less11042 | 14 | $56 |
Typical Medicare-allowed amounts for these services range $45–$120 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, 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 · 51 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Levothyroxine Sodium | 97 | 36 |
| Atorvastatin Calcium | 92 | 32 |
| Trazodone Hcl | 71 | 26 |
| Amlodipine Besylate | 65 | 23 |
| Metoprolol Tartrate | 47 | 18 |
| Losartan Potassium | 45 | 16 |
| Hydrochlorothiazide |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$93 across 3 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
Registry dates
- Enumerated
- 2006-12-12
- Last updated
- 2025-09-18
- Certified
- 2025-09-18
Frequently asked questions
- What is Horst Filtzer's NPI number?
- Horst Filtzer's National Provider Identifier (NPI) is 1417018862, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Horst Filtzer's specialty?
- Horst Filtzer is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Horst Filtzer located?
- Horst Filtzer's practice location on file with NPPES is 1555 Ramar Rd, Bullhead City, AZ 86442-6010.
- What is Horst Filtzer's phone number?
- The practice phone number listed in the NPPES registry for Horst Filtzer is (928) 299-3087.
- Does Horst Filtzer accept Medicare?
- Horst Filtzer is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Horst Filtzer's NPI active?
- Yes — Horst Filtzer's NPI (1417018862) is active in the NPPES registry as of the last update on 2025-09-18.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.