Shaun Mcmillin, DO
NPI 1447889464 · Emergency Medicine Physician · Marietta, OH
Enrolled with Medicare as Practitioner - Emergency Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Shaun Mcmillin, DO is a Emergency Medicine Physician provider in Marietta, OH (NPI 1447889464).
Provider details
- NPI number
- 1447889464
- Entity type
- Individual
- Primary specialty
- Emergency Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- DO
- Sex
- Male
- Sole proprietor
- Yes
- License
- 036164476 (IL)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
6 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
527 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 | 217 | $173 |
| Emergency Department Visit With Moderate Level of Medical Decision Making99284 | 168 | $119 |
| Emergency Department Visit With Low Level of Medical Decision Making99283 | 79 | $70 |
| Critical Care, First 30-74 Minutes99291 | 44 | $207 |
| Emergency Department Visit With Straightforward Medical Decision Making99282 | 19 | $41 |
Typical Medicare-allowed amounts for these services range $41–$207 (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 | 52 | 51 |
| Prednisone | 44 | 44 |
| Ondansetronbrand: Ondansetron Odt | 40 | 39 |
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 35 | 35 |
| Doxycycline Hyclate | 19 | 19 |
| Amoxicillin/Potassium Clavbrand: Amoxicillin-Clavulanate Potass | 18 | 18 |
| Cyclobenzaprine Hcl |
Practice location
Mailing address
Registry dates
- Enumerated
- 2020-04-02
- Last updated
- 2023-07-25
- Certified
- 2023-07-25
Frequently asked questions
- What is Shaun Mcmillin's NPI number?
- Shaun Mcmillin's National Provider Identifier (NPI) is 1447889464, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Shaun Mcmillin's specialty?
- Shaun Mcmillin is listed in the NPPES registry with a primary specialty of Emergency Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Shaun Mcmillin located?
- Shaun Mcmillin's practice location on file with NPPES is 401 Matthew St, Marietta, OH 45750.
- What is Shaun Mcmillin's phone number?
- The practice phone number listed in the NPPES registry for Shaun Mcmillin is (740) 568-5669.
- Does Shaun Mcmillin accept Medicare?
- Shaun Mcmillin is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Shaun Mcmillin's NPI active?
- Yes — Shaun Mcmillin's NPI (1447889464) is active in the NPPES registry as of the last update on 2023-07-25.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.