James Ziomek, MD
NPI 1487652780 · Internal Medicine Physician · Los Alamos, NM
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
James Ziomek, MD is a Internal Medicine Physician provider in Los Alamos, NM (NPI 1487652780).
Provider details
- NPI number
- 1487652780
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 95166 (NM)
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
5,082 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) |
|---|---|---|
| Professional Service for Preparation and Provision of 1 Or More Antigens95165 | 2,690 | $13 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 743 | $121 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 407 | $85 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 334 | $170 |
| 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 | 313 | $16 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 86 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Levothyroxine Sodium | 244 | 47 |
| Rosuvastatin Calcium | 178 | 36 |
| Atorvastatin Calcium | 146 | 37 |
| Amlodipine Besylate | 125 | 29 |
| Losartan Potassium | 115 | 24 |
| Metoprolol Succinate | 104 | 19 |
| Lisinopril |
Practice location
Mailing address
Registry dates
- Enumerated
- 2005-07-11
- Last updated
- 2009-12-31
Frequently asked questions
- What is James Ziomek's NPI number?
- James Ziomek's National Provider Identifier (NPI) is 1487652780, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is James Ziomek's specialty?
- James Ziomek is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is James Ziomek located?
- James Ziomek's practice location on file with NPPES is 3917 West Rd, Los Alamos, NM 87544-2275.
- What is James Ziomek's phone number?
- The practice phone number listed in the NPPES registry for James Ziomek is (505) 662-4351.
- Does James Ziomek accept Medicare?
- James Ziomek is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is James Ziomek's NPI active?
- Yes — James Ziomek's NPI (1487652780) is active in the NPPES registry as of the last update on 2009-12-31.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.