Doctor profile · Federal record

Dr. James Ziomek, MD

Internal Medicine Physician (CMS: Internal Medicine) · Los Alamos, NM

  • NPI 1487652780
  • Accepts Medicare
  • MIPS 75.0 / 100 · 2023
  • 35 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
3917 West RD, Suite 150
Los Alamos, NM 875442275
(505) 662-4351
fax (505) 662-4351

Credentials & registration

NPPES · NUCC
NPI registered
July 2005 — 21 yrs on file
Profile last updated
December 31, 2009
Year of graduation
1991 — 35 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
New Mexico #95166
Medicaid
NM #30985

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1487652780. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
6,492
Distinct HCPCS
10
Medicare allowed
$228,513
HCPCS Description Services Patients Avg allowed
95165 Professional service for preparation and provision of 1 or more antigens 2,248 106 $14
J0897 Injection, denosumab, 1 mg 1,321 19 $20
J7325 Hyaluronan or derivative, synvisc or synvisc-one, for intra-articular injection, 1 mg 1,008 11 $9
99214 Established patient office or other outpatient visit, 30-39 minutes 742 347 $121
99213 Established patient office or other outpatient visit, 20-29 minutes 434 333 $86
83036 Hemoglobin a1c level 262 154 $10
99215 Established patient office or other outpatient visit, 40-54 minutes 143 107 $168
93000 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report 126 116 $14
81000 Manual urinalysis test with examination using microscope, non-automated 45 38 $4
99212 Established patient office or other outpatient visit, 10-19 minutes 27 19 $53

In context: peer comparison

Among 4 peers in this city , average services per provider: 187. This provider delivers 35× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,319
Patients
275
Total drug cost
$19,721
Drug Type Claims Patients Total cost
Levothyroxine Sodium Generic 242 47 $3,483
Rosuvastatin Calcium Generic 130 31 $1,617
Amlodipine Besylate Generic 123 25 $755
Atorvastatin Calcium Generic 118 28 $1,897
Losartan Potassium Generic 103 22 $1,257
Lisinopril Generic 82 16 $764
Metoprolol Succinate Generic 76 17 $1,456
Omeprazole Generic 66 16 $1,062
Simvastatin Generic 63 12 $440
Albuterol Sulfate Hfa (Albuterol Sulfate) Brand 62 23 $2,037

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. James Ziomek's medical specialty?
Dr. James Ziomek practices Internal Medicine Physician in Los Alamos, NM.
Where does Dr. James Ziomek practice?
Dr. James Ziomek practices at 3917 West RD, Los Alamos, NM 875442275. Office phone: 5056624351.
What is Dr. James Ziomek's NPI?
Dr. James Ziomek's National Provider Identifier (NPI) is 1487652780, issued by NPPES.
Does Dr. James Ziomek accept Medicare assignment?
Yes. Dr. James Ziomek accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. James Ziomek commonly perform?
Top Medicare-reported procedures in 2023: Professional service for preparation and provision of 1 or more antigens (HCPCS 95165); Injection, denosumab, 1 mg (HCPCS J0897); Hyaluronan or derivative, synvisc or synvisc-one, for intra-articular injection, 1 mg (HCPCS J7325). Source: CMS Medicare Physician & Other Practitioners file.