Doctor profile · Federal record

Dr. Chadwick Nachtman, M.D.

Family Medicine Physician (CMS: Family Practice) · Dubuque, IA

  • NPI 1598717688
  • Accepts Medicare
  • 28 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1000 Langworthy St
Dubuque, IA 520017313
(563) 584-3226
fax (563) 584-3395
Mailing address
1500 Associates Dr
Dubuque, IA 520022201

Credentials & registration

NPPES · NUCC
NPI registered
May 2006 — 20 yrs on file
Profile last updated
November 25, 2009
Year of graduation
1998 — 28 yrs since
Specialty taxonomy
207Q00000X — NUCC code
State license (1)
Iowa #34112
Medicaid
IA #0234146

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1598717688. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
24,420
Distinct HCPCS
10
Medicare allowed
$266,433
HCPCS Description Services Patients Avg allowed
A9575 Injection, gadoterate meglumine, 0.1 ml 8,350 43 $0
Q9967 Low osmolar contrast material, 300-399 mg/ml iodine concentration, per ml 6,589 69 $0
36415 Insertion of needle into vein for collection of blood sample 920 391 $8
85025 Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count 612 330 $8
99214 Established patient office or other outpatient visit, 30-39 minutes 416 204 $118
80061 Blood test, lipids (cholesterol and triglycerides) 382 281 $13
82565 Blood creatinine level 365 203 $5
77067 Screening mammography 306 306 $118
77063 Screening 3d breast mammography 300 300 $49
82947 Blood glucose (sugar) level 291 178 $4

In context: peer comparison

Among 14 peers in this city , average services per provider: 186. This provider delivers 131× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
5,239
Patients
1,208
Total drug cost
$65,293
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 758 193 $8,954
Levothyroxine Sodium Generic 532 102 $7,799
Lisinopril Generic 495 129 $4,846
Omeprazole Generic 443 120 $5,405
Potassium Chloride Generic 372 73 $8,948
Furosemide Generic 348 67 $2,093
Amlodipine Besylate Generic 326 91 $3,041
Losartan Potassium Generic 317 83 $4,265
Warfarin Sodium Generic 301 0 $1,816
Simvastatin Generic 253 65 $2,651

Frequently asked questions

Auto-generated from federal data
What is Dr. Chadwick Nachtman's medical specialty?
Dr. Chadwick Nachtman practices Family Medicine Physician in Dubuque, IA.
Where does Dr. Chadwick Nachtman practice?
Dr. Chadwick Nachtman practices at 1000 Langworthy St, Dubuque, IA 520017313. Office phone: 5635843226.
What is Dr. Chadwick Nachtman's NPI?
Dr. Chadwick Nachtman's National Provider Identifier (NPI) is 1598717688, issued by NPPES.
Does Dr. Chadwick Nachtman accept Medicare assignment?
Yes. Dr. Chadwick Nachtman accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Chadwick Nachtman commonly perform?
Top Medicare-reported procedures in 2023: Injection, gadoterate meglumine, 0.1 ml (HCPCS A9575); Low osmolar contrast material, 300-399 mg/ml iodine concentration, per ml (HCPCS Q9967); Insertion of needle into vein for collection of blood sample (HCPCS 36415). Source: CMS Medicare Physician & Other Practitioners file.