Chase Hemphill, DO
NPI 1134689987 · Emergency Medicine Physician · Green Bay, WI
Enrolled with Medicare as Practitioner - Emergency Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Chase Hemphill, DO is a Emergency Medicine Physician provider in Green Bay, WI (NPI 1134689987).
Provider details
- NPI number
- 1134689987
- 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
2 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
361 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 | 147 | $160 |
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report Only93010 | 118 | $8 |
| Emergency Department Visit With Moderate Level of Medical Decision Making99284 | 84 | $110 |
| Critical Care, First 30-74 Minutes99291 | 12 | $194 |
Typical Medicare-allowed amounts for these services range $8–$194 (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 |
|---|---|---|
| Ondansetronbrand: Ondansetron Odt | 56 | 55 |
| Prednisone | 43 | 43 |
| Methocarbamol | 39 | 39 |
| Cephalexin | 34 | 34 |
| Cefdinir | 16 | 16 |
| Lidocaine | 12 | 12 |
| Pantoprazole Sodium | 12 | 12 |
| Albuterol Sulfate |
Practice location
Mailing address
Additional practice locations (1)
- 1800 Se Tiffany AvePort St Lucie, FL 34952-7521Phone: (715) 690-9327
Registry dates
- Enumerated
- 2019-03-20
- Last updated
- 2022-09-21
- Certified
- 2022-09-21
Frequently asked questions
- What is Chase Hemphill's NPI number?
- Chase Hemphill's National Provider Identifier (NPI) is 1134689987, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Chase Hemphill's specialty?
- Chase Hemphill is listed in the NPPES registry with a primary specialty of Emergency Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Chase Hemphill located?
- Chase Hemphill's practice location on file with NPPES is 835 S Van Buren St, Green Bay, WI 54301-3526.
- What is Chase Hemphill's phone number?
- The practice phone number listed in the NPPES registry for Chase Hemphill is (920) 433-0111.
- Does Chase Hemphill accept Medicare?
- Chase Hemphill is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Chase Hemphill's NPI active?
- Yes — Chase Hemphill's NPI (1134689987) is active in the NPPES registry as of the last update on 2022-09-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.