Doctor profile · Federal record

Dr. Nicholas Mandelis, DO

Emergency Medicine Physician (CMS: Emergency Medicine) · Student in an Organized Health Care Education/Training Program · Wenatchee, WA

  • NPI 1811450026
  • Accepts Medicare
  • 7 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1201 S Miller St
Wenatchee, WA 988013201
(509) 663-8711
Mailing address
820 N Chelan Ave
Wenatchee, WA 988012028

Credentials & registration

NPPES · NUCC
NPI registered
April 2019 — 7 yrs on file
Profile last updated
March 29, 2022
Year of graduation
2019 — 7 yrs since
Specialty taxonomy
207P00000X — NUCC code
State license (1)
Washington #OP61246725

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1811450026. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
736
Distinct HCPCS
5
Medicare allowed
$97,268
HCPCS Description Services Patients Avg allowed
99284 Emergency department visit with moderate level of medical decision making 318 308 $117
99285 Emergency department visit with high level of medical decision making 252 244 $169
99291 Critical care, first 30-74 minutes 65 65 $206
99283 Emergency department visit with low level of medical decision making 54 52 $70
93042 Electrocardiogram (ecg) 1 to 3 leads with review by physician only 47 47 $7

In context: peer comparison

Among 14 peers in this city , average services per provider: 111. This provider delivers 6.6× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
253
Patients
250
Total drug cost
$1,157
Drug Type Claims Patients Total cost
Oxycodone Hcl Generic 47 47 $114
Cephalexin Generic 46 45 $260
Ibuprofen Generic 46 46 $266
Prednisone Generic 35 33 $49
Ondansetron Odt (Ondansetron) Brand 23 23 $166
Amoxicillin-Clavulanate Potass (Amoxicillin/Potassium Clav) Brand 16 16 $109
Doxycycline Hyclate Generic 15 15 $117
Azithromycin Generic 13 13 $48
Furosemide Generic 12 12 $27

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Nicholas Mandelis's medical specialty?
Dr. Nicholas Mandelis practices Emergency Medicine Physician in Wenatchee, WA.
Where does Dr. Nicholas Mandelis practice?
Dr. Nicholas Mandelis practices at 1201 S Miller St, Wenatchee, WA 988013201. Office phone: 5096638711.
What is Dr. Nicholas Mandelis's NPI?
Dr. Nicholas Mandelis's National Provider Identifier (NPI) is 1811450026, issued by NPPES.
Does Dr. Nicholas Mandelis accept Medicare assignment?
Yes. Dr. Nicholas Mandelis accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Nicholas Mandelis commonly perform?
Top Medicare-reported procedures in 2023: Emergency department visit with moderate level of medical decision making (HCPCS 99284); Emergency department visit with high level of medical decision making (HCPCS 99285); Critical care (HCPCS 99291). Source: CMS Medicare Physician & Other Practitioners file.