Jennifer Mervau, DO
NPI 1013438944 · Emergency Medicine Physician · Hastings, MI
Enrolled with Medicare as Practitioner - Emergency Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Jennifer Mervau, DO is a Emergency Medicine Physician provider in Hastings, MI (NPI 1013438944).
Provider details
- NPI number
- 1013438944
- Entity type
- Individual
- Primary specialty
- Emergency Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- DO
- Sex
- Female
- Sole proprietor
- No
- License
- 5101024892 (MI)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
8 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
197 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 | 95 | $181 |
| Emergency Department Visit With Moderate Level of Medical Decision Making99284 | 78 | $125 |
| Critical Care, First 30-74 Minutes99291 | 24 | $217 |
Typical Medicare-allowed amounts for these services range $125–$217 (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 · 7 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Cefuroxime Axetilbrand: Cefuroxime | 41 | 41 |
| Ondansetronbrand: Ondansetron Odt | 24 | 24 |
| Methocarbamol | 18 | 18 |
| Prednisone | 16 | 16 |
| Doxycycline Monohydrate | 13 | 13 |
| Amoxicillin/Potassium Clavbrand: Amoxicillin-Clavulanate Potass | 12 | 11 |
| Methylprednisolone | 11 | 11 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2017-06-30
- Last updated
- 2025-02-24
- Certified
- 2025-02-24
Frequently asked questions
- What is Jennifer Mervau's NPI number?
- Jennifer Mervau's National Provider Identifier (NPI) is 1013438944, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Jennifer Mervau's specialty?
- Jennifer Mervau is listed in the NPPES registry with a primary specialty of Emergency Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Jennifer Mervau located?
- Jennifer Mervau's practice location on file with NPPES is 1009 W Green St, Hastings, MI 49058-1710.
- What is Jennifer Mervau's phone number?
- The practice phone number listed in the NPPES registry for Jennifer Mervau is (269) 945-3451.
- Does Jennifer Mervau accept Medicare?
- Jennifer Mervau is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Jennifer Mervau's NPI active?
- Yes — Jennifer Mervau's NPI (1013438944) is active in the NPPES registry as of the last update on 2025-02-24.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.