Physician Profile
Based in Los Alamos, NM, James J. Ziomek, MD is listed in the NPI registry under internal medicine. James graduated from Loyola University of Chicago, Stritch School of Medicine in 1991. According to Medicare claims data, James cared for 1,659 Medicare patients across 6,502 services. The services billed most often include professional service for preparation and provision of 1 or more antigens, injection, denosumab, 1 mg, and established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it — free, and no identity document with a practice or institutional email.
License numbers are what the provider reported to NPPES when the NPI was issued or updated. NPPES does not verify licensure; confirm current standing with the state licensing board.
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
3917 WEST RD SUITE 150
Los Alamos, NM 87544
Within Internal Medicine generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Most searched conditions
Cardiometabolic
Digestive and liver
Endocrine, blood, and bone
Infectious disease
Kidney and urinary
Respiratory
Blood & Circulation
Blood disorders
Brain & Nerves
Brain and nerves
Cardiac and vascular
Digestive
Heart & Circulation
Infections
Kidney & Bladder
Lungs & Breathing
Mental Health
Neurologic and behavioral
Pain
Rheumatologic and pain
Most searched procedures
Preventive and evaluation
Screening and diagnostic testing
Bones & Joints
Brain and nerves
Cancer screening
Digestive
Exams & Consultations
Heart & Circulation
Heart health
Imaging referral
Immunizations
Lab tests
Lungs & Breathing
Metabolic & Weight
Minor procedures
Office procedures
Office Procedures
Pain management
Preventive & Routine Care
Screenings & Diagnostics
Sexual health
6,502 services · 1,659 patients · 17 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Aspiration and/or injection of fluid from large joint | Procedure | 20610 |
20 | Less often than most peers in Internal Medicine |
| Professional service for preparation and provision of 1 or more antigens | Treatment | 95165 |
2,690 | More often than most peers in Internal Medicine |
| Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report | Treatment | 93000 |
153 | More often than most peers in Internal Medicine |
| Injection of drug or substance under skin or into muscle | Treatment | 96372 |
22 | Less often than most peers in Internal Medicine |
| Test to measure the level of nitric oxide gas | Treatment | 95012 |
19 | Less often than most peers in Internal Medicine |
| Test to measure expiratory airflow and volume changes before and after medication administration | Treatment | 94060 |
18 | Less often than most peers in Internal Medicine |
| Test to determine lung volumes using gas dilution or washout | Treatment | 94727 |
17 | Less often than most peers in Internal Medicine |
| Test to examine how well the lungs exchange gases | Treatment | 94729 |
16 | Less often than most peers in Internal Medicine |
| Injection, denosumab, 1 mg | Drug given | J0897 |
900 | Less often than most peers in Internal Medicine |
| Injection, methylprednisolone acetate, 1 mg | Drug given | J1010 |
520 | Less often than most peers in Internal Medicine |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Dr. Ziomek is an internist in Los Alamos, NM. That is the designation recorded for this NPI in the federal registry, where it is listed as “Internal Medicine”.
NPI registry
Dr. Ziomek is listed at 3917 West Rd Suite 150, Los Alamos, NM 87544. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (505) 662-4351. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
Dr. Ziomek's National Provider Identifier is 1487652780. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Dr. Ziomek attended Loyola University of Chicago, Stritch School of Medicine, graduating in 1991. This comes from the CMS National Downloadable File.
CMS public data
Dr. Ziomek has 35 years experience. Calculated from a graduation year of 1991, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, Dr. Ziomek performs procedures including aspiration and/or injection of fluid from large joint; provides treatments such as professional service for preparation and provision of 1 or more antigens and routine electrocardiogram using at least 12 leads with interpretation and report, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Ziomek. If this is you, claiming it is free.
Guide.md
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.