Robert Zarum, MD
NPI 1831149327 · Emergency Medicine Physician · Hyannis, MA
Enrolled with Medicare as Practitioner - Emergency Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Robert Zarum, MD is a Emergency Medicine Physician provider in Hyannis, MA (NPI 1831149327).
Provider details
- NPI number
- 1831149327
- Entity type
- Individual
- Primary specialty
- Emergency Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 79621 (MA)
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
20 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
1,071 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 | 372 | $172 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 306 | $130 |
| Emergency Department Visit With Moderate Level of Medical Decision Making99284 | 143 | $118 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 91 | $169 |
| Critical Care, First 30-74 Minutes99291 | 66 | $209 |
| Urinalysis, Manual Test81002 | 46 | $3 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 11 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Cefuroxime Axetilbrand: Cefuroxime | 109 | 109 |
| Prednisone | 80 | 79 |
| Cephalexin | 43 | 43 |
| Naproxen | 29 | 29 |
| Azithromycin | 25 | 25 |
| Amoxicillin/Potassium Clavbrand: Amoxicillin-Clavulanate Potass | 23 | 23 |
| Erythromycin Basebrand: Erythromycin | 21 | 21 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-05-12
- Last updated
- 2008-04-30
Frequently asked questions
- What is Robert Zarum's NPI number?
- Robert Zarum's National Provider Identifier (NPI) is 1831149327, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Robert Zarum's specialty?
- Robert Zarum is listed in the NPPES registry with a primary specialty of Emergency Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Robert Zarum located?
- Robert Zarum's practice location on file with NPPES is 27 Park St, Hyannis, MA 02601-5230.
- What is Robert Zarum's phone number?
- The practice phone number listed in the NPPES registry for Robert Zarum is (508) 862-5981.
- Does Robert Zarum accept Medicare?
- Robert Zarum is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Robert Zarum's NPI active?
- Yes — Robert Zarum's NPI (1831149327) is active in the NPPES registry as of the last update on 2008-04-30.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.