Howard Leibowitz, MD
NPI 1851363121 · Internal Medicine Physician · Worthington, MN
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Howard Leibowitz, MD is a Internal Medicine Physician provider in Worthington, MN (NPI 1851363121).
Provider details
- NPI number
- 1851363121
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 57260 (MN)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
20 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
4,905 Medicare services, 2024 (ranked within specialty)
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 methodology.
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) |
|---|---|---|
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 1,096 | $9 |
| Complete Blood Cell Count (red Cells, White Blood Cell, Platelets), Automated Test and Automated Differential White Blood Cell Count85025 | 582 | $8 |
| Blood Test, Comprehensive Group of Blood Chemicals80053 | 396 | $10 |
| Blood Test, Clotting Time85610 | 266 | $4 |
| Manual Urinalysis Test With Examination Using Microscope, Automated81001 | 229 | $3 |
| Blood Test, Lipids (cholesterol and Triglycerides)80061 | 201 | $13 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 124 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Amlodipine Besylate | 266 | 55 |
| Levothyroxine Sodium | 252 | 48 |
| Lisinopril | 236 | 51 |
| Furosemide | 232 | 45 |
| Atorvastatin Calcium | 196 | 39 |
| Omeprazole | 193 | 45 |
| Metformin Hcl | 159 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-02-02
- Last updated
- 2015-06-03
Frequently asked questions
- What is Howard Leibowitz's NPI number?
- Howard Leibowitz's National Provider Identifier (NPI) is 1851363121, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Howard Leibowitz's specialty?
- Howard Leibowitz is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Howard Leibowitz located?
- Howard Leibowitz's practice location on file with NPPES is 1216 Ryans Rd, Worthington, MN 56187-1722.
- What is Howard Leibowitz's phone number?
- The practice phone number listed in the NPPES registry for Howard Leibowitz is (507) 372-2921.
- Does Howard Leibowitz accept Medicare?
- Howard Leibowitz is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Howard Leibowitz's NPI active?
- Yes — Howard Leibowitz's NPI (1851363121) is active in the NPPES registry as of the last update on 2015-06-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.