Robert Zehrung, DO
NPI 1659866127 · Emergency Medicine Physician · Muskegon, MI
Enrolled with Medicare as Practitioner - Emergency Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Robert Zehrung, DO is a Emergency Medicine Physician provider in Muskegon, MI (NPI 1659866127).
Provider details
- NPI number
- 1659866127
- Entity type
- Individual
- Primary specialty
- Emergency Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- DO
- Sex
- Male
- Sole proprietor
- Yes
- License
- 5101024288 (MI)
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
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
245 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 | 88 | $170 |
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report Only93010 | 80 | $8 |
| Emergency Department Visit With Moderate Level of Medical Decision Making99284 | 46 | $116 |
| Critical Care, First 30-74 Minutes99291 | 31 | $204 |
Typical Medicare-allowed amounts for these services range $8–$204 (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 |
|---|---|---|
| Naproxen | 29 | 28 |
| Cephalexin | 27 | 27 |
| Methylprednisolone | 25 | 24 |
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 24 | 24 |
| Cyclobenzaprine Hcl | 14 | 14 |
| Ondansetronbrand: Ondansetron Odt | 14 | 14 |
| Prednisone | 13 | 13 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2018-06-27
- Last updated
- 2021-01-15
- Certified
- 2021-01-15
Frequently asked questions
- What is Robert Zehrung's NPI number?
- Robert Zehrung's National Provider Identifier (NPI) is 1659866127, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Robert Zehrung's specialty?
- Robert Zehrung is listed in the NPPES registry with a primary specialty of Emergency Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Robert Zehrung located?
- Robert Zehrung's practice location on file with NPPES is 1700 Clinton St, Muskegon, MI 49442-5502.
- What is Robert Zehrung's phone number?
- The practice phone number listed in the NPPES registry for Robert Zehrung is (231) 726-3511.
- Does Robert Zehrung accept Medicare?
- Robert Zehrung is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Robert Zehrung's NPI active?
- Yes — Robert Zehrung's NPI (1659866127) is active in the NPPES registry as of the last update on 2021-01-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.