Ian Isby, MD
NPI 1851853246 · Emergency Medicine Physician · Wenatchee, WA
Enrolled with Medicare as Practitioner - Emergency Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Ian Isby, MD is a Emergency Medicine Physician provider in Wenatchee, WA (NPI 1851853246).
Provider details
- NPI number
- 1851853246
- Entity type
- Individual
- Primary specialty
- Emergency Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- MD61363727 (WA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
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
100% of core fields populated
- Practice footprint17% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
505 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 | 252 | $166 |
| Emergency Department Visit With Moderate Level of Medical Decision Making99284 | 198 | $114 |
| Critical Care, First 30-74 Minutes99291 | 39 | $206 |
| Emergency Department Visit With Low Level of Medical Decision Making99283 | 16 | $69 |
Typical Medicare-allowed amounts for these services range $69–$206 (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 · 10 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Ondansetronbrand: Ondansetron Odt | 36 | 36 |
| Amoxicillin/Potassium Clavbrand: Amoxicillin-Clavulanate Potass | 22 | 22 |
| Cephalexin | 20 | 20 |
| Oxycodone Hcl | 20 | 20 |
| Morphine Sulfate | 19 | 19 |
| Tizanidine Hcl | 14 | 14 |
| Azithromycin | 11 | 11 |
Practice location
Mailing address
Additional practice locations (1)
- 1955 W Frye RdChandler, AZ 85224-6282Phone: (480) 728-3753
Registry dates
- Enumerated
- 2019-04-03
- Last updated
- 2023-05-19
- Certified
- 2023-05-19
Frequently asked questions
- What is Ian Isby's NPI number?
- Ian Isby's National Provider Identifier (NPI) is 1851853246, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ian Isby's specialty?
- Ian Isby is listed in the NPPES registry with a primary specialty of Emergency Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Ian Isby located?
- Ian Isby's practice location on file with NPPES is 1201 S Miller St, Wenatchee, WA 98801-3201.
- What is Ian Isby's phone number?
- The practice phone number listed in the NPPES registry for Ian Isby is (509) 662-1511.
- Does Ian Isby accept Medicare?
- Ian Isby is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Ian Isby's NPI active?
- Yes — Ian Isby's NPI (1851853246) is active in the NPPES registry as of the last update on 2023-05-19.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.