Doctor profile · Federal record

Dr. Stephen Zeimantz, NP

Nurse Practitioner · Nurse Practitioner · Portland, OR

  • NPI 1922001478
  • 21 yrs on file
  • Licensed in 2 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
20 N Skidmore St
Portland, OR 97217
(888) 663-6331
fax (415) 252-7176
Additional location
8675 W Ardene St
Boise, ID 837092601
(208) 780-3900
fax (208) 375-2882
Mailing address
1 Embarcadero Ctr Ste 1900
San Francisco, CA 941113723

Credentials & registration

NPPES · NUCC
NPI registered
May 2005 — 21 yrs on file
Profile last updated
March 14, 2025
Specialty taxonomy
363L00000X — NUCC code
State licenses (2)
Oregon #201050227NP · Idaho #NP-674A

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1922001478. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
79
Distinct HCPCS
3
Medicare allowed
$5,698
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 34 29 $77
99213 Established patient office or other outpatient visit, 20-29 minutes 33 31 $61
99203 New patient office or other outpatient visit, 30-44 minutes 12 12 $89

In context: peer comparison

Among 14 peers in Portland Nurse Practitioner, average services per provider: 74. This provider delivers 1.1× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
811
Patients
248
Total drug cost
$13,393
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 143 47 $2,262
Lisinopril Generic 98 33 $897
Amlodipine Besylate Generic 69 28 $554
Albuterol Sulfate Hfa (Albuterol Sulfate) Brand 56 20 $1,889
Omeprazole Generic 55 18 $780
Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) Brand 49 0 $835
Metformin Hcl Generic 46 14 $481
Gabapentin Generic 44 14 $1,511
Levothyroxine Sodium Generic 42 16 $981
Losartan Potassium Generic 41 19 $804

Frequently asked questions

Auto-generated from federal data
What is Dr. Stephen Zeimantz's medical specialty?
Dr. Stephen Zeimantz practices Nurse Practitioner in Portland, OR.
Where does Dr. Stephen Zeimantz practice?
Dr. Stephen Zeimantz practices at 20 N Skidmore St, Portland, OR 97217. Office phone: 8886636331.
What is Dr. Stephen Zeimantz's NPI?
Dr. Stephen Zeimantz's National Provider Identifier (NPI) is 1922001478, issued by NPPES.
What procedures does Dr. Stephen Zeimantz commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99213); New patient office or other outpatient visit (HCPCS 99203). Source: CMS Medicare Physician & Other Practitioners file.