Nicholas Mandelis, DO
NPI 1811450026 · Emergency Medicine Physician · Wenatchee, WA
Enrolled with Medicare as Practitioner - Emergency Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Nicholas Mandelis, DO is a Emergency Medicine Physician provider in Wenatchee, WA (NPI 1811450026).
Provider details
- NPI number
- 1811450026
- Entity type
- Individual
- Primary specialty
- Emergency Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- DO
- Sex
- Male
- Sole proprietor
- No
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
7 yrs in NPPES registry
- Profile completeness28% of score
83% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
612 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Emergency Department Visit With High Level of Medical Decision Making99285 | 304 | $168 |
| Emergency Department Visit With Moderate Level of Medical Decision Making99284 | 218 | $116 |
| Critical Care, First 30-74 Minutes99291 | 53 | $202 |
| Emergency Department Visit With Low Level of Medical Decision Making99283 | 25 | $67 |
| Simple Repair of Surface Wound of Scalp, Neck, Underarms, Trunk, Arms, Or Legs, 2.5 Cm Or Less12001 | 12 | $42 |
Typical Medicare-allowed amounts for these services range $42–$202 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 9 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Cephalexin | 33 | 31 |
| Amoxicillin/Potassium Clavbrand: Amoxicillin-Clavulanate Potass | 30 | 30 |
| Oxycodone Hcl | 30 | 30 |
| Prednisone | 28 | 28 |
| Ondansetronbrand: Ondansetron Odt | 24 | 23 |
| Ibuprofen | 22 | 20 |
| Doxycycline Hyclate | 17 | 17 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2019-04-13
- Last updated
- 2022-03-29
- Certified
- 2022-03-29
Frequently asked questions
- What is Nicholas Mandelis's NPI number?
- Nicholas Mandelis's National Provider Identifier (NPI) is 1811450026, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Nicholas Mandelis's specialty?
- Nicholas Mandelis is listed in the NPPES registry with a primary specialty of Emergency Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Nicholas Mandelis located?
- Nicholas Mandelis's practice location on file with NPPES is 1201 S Miller St, Wenatchee, WA 98801-3201.
- What is Nicholas Mandelis's phone number?
- The practice phone number listed in the NPPES registry for Nicholas Mandelis is (509) 663-8711.
- Does Nicholas Mandelis accept Medicare?
- Nicholas Mandelis is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Nicholas Mandelis's NPI active?
- Yes — Nicholas Mandelis's NPI (1811450026) is active in the NPPES registry as of the last update on 2022-03-29.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.