Doctor profile · Federal record

Dr. Charles Zachem, D.O.

Specialist (CMS: Nephrology) · Eugene, OR

  • NPI 1407851942
  • Accepts Medicare
  • 36 yrs in practice
  • Male
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1200 Hilyard St, Ste 470
Eugene, OR 974018107
(541) 485-6478
fax (541) 485-0452

Credentials & registration

NPPES · NUCC
NPI registered
June 2005 — 21 yrs on file
Profile last updated
July 8, 2007
Year of graduation
1990 — 36 yrs since
Specialty taxonomy
174400000X — NUCC code
State license (1)
Oregon #DO20422

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1407851942. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,503
Distinct HCPCS
10
Medicare allowed
$140,007
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 291 191 $98
99457 Management using the results of remote vital sign monitoring per calendar month, first 20 minutes 260 32 $47
99454 Remote monitoring of physiologic parameters, initial supply of devices with daily recordings or programmed alerts transmission, each 30 days 238 30 $48
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 164 86 $114
99215 Established patient office or other outpatient visit, 40-54 minutes 131 95 $113
99458 Management using the results of remote vital sign monitoring per calendar month, each additional 20 minutes 111 27 $38
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 58 39 $74
90935 Hemodialysis procedure with physician evaluation 50 34 $68
99291 Critical care, first 30-74 minutes 45 24 $203
90966 Home dialysis services per month (20 years or older) 44 13 $282

In context: peer comparison

Among 3 peers in Eugene Specialist, average services per provider: 99. This provider delivers 15× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$123
Transactions
2
Manufacturers
2
Payer (manufacturer) Industry Txns Amount
Medtronic, INC. 1 $101.67
Amgen INC. 1 $20.89

By nature of payment

Food and Beverage
$123

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,321
Patients
343
Total drug cost
$38,421
Drug Type Claims Patients Total cost
Calcitriol Generic 327 83 $7,298
Amlodipine Besylate Generic 119 36 $1,265
Prednisone Generic 114 22 $891
Losartan Potassium Generic 108 31 $1,716
Furosemide Generic 102 31 $1,494
Carvedilol Generic 96 29 $1,385
Lisinopril Generic 79 24 $600
Nifedipine ER (Nifedipine) Brand 61 15 $4,201
Spironolactone-Hctz (Spironolact/Hydrochlorothiazid) Brand 60 15 $3,074
Spironolactone Generic 48 13 $1,108

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Charles Zachem's medical specialty?
Dr. Charles Zachem practices Specialist in Eugene, OR.
Where does Dr. Charles Zachem practice?
Dr. Charles Zachem practices at 1200 Hilyard St, Eugene, OR 974018107. Office phone: 5414856478.
What is Dr. Charles Zachem's NPI?
Dr. Charles Zachem's National Provider Identifier (NPI) is 1407851942, issued by NPPES.
Does Dr. Charles Zachem accept Medicare assignment?
Yes. Dr. Charles Zachem accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Charles Zachem commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Management using the results of remote vital sign monitoring per calendar month (HCPCS 99457); Remote monitoring of physiologic parameters, initial supply of devices with daily recordings or programmed alerts transmission, each 30 days (HCPCS 99454). Source: CMS Medicare Physician & Other Practitioners file.