Zaid Hamarsha, M.D
NPI 1891229365 · Student in an Organized Health Care Education/Training Program · Staten Island, NY
Enrolled with Medicare as Practitioner - Hospitalist · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Zaid Hamarsha, M.D is a Student in an Organized Health Care Education/Training Program provider in Staten Island, NY (NPI 1891229365).
Provider details
- NPI number
- 1891229365
- Entity type
- Individual
- Primary specialty
- Student in an Organized Health Care Education/Training ProgramStudent, Health Care
- Credential
- M.D
- Sex
- Male
- Sole proprietor
- No
Specialties & taxonomies
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
9 yrs in NPPES registry
- Profile completeness28% of score
83% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
519 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) |
|---|---|---|
| Critical Care, First 30-74 Minutes99291 | 401 | $209 |
| Critical Care, Each Additional 30 Minutes99292 | 59 | $105 |
| Emergent Insertion of Breathing Tube Into Windpipe Using an Endoscope31500 | 17 | $136 |
| Insertion of Non-Tunneled Central Venous Tube for Infusion (5 Years Or Older)36556 | 17 | $82 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 14 | $117 |
| Hospital Discharge Day Management, 30 Minutes Or Less99238 | 11 | $81 |
Typical Medicare-allowed amounts for these services range $81–$209 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, 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.
Practice location
Mailing address
Registry dates
- Enumerated
- 2017-04-12
- Last updated
- 2017-04-12
Frequently asked questions
- What is Zaid Hamarsha's NPI number?
- Zaid Hamarsha's National Provider Identifier (NPI) is 1891229365, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Zaid Hamarsha's specialty?
- Zaid Hamarsha is listed in the NPPES registry with a primary specialty of Student in an Organized Health Care Education/Training Program (Student, Health Care).
- Where is Zaid Hamarsha located?
- Zaid Hamarsha's practice location on file with NPPES is 475 Seaview Ave, Staten Island, NY 10305-3436.
- What is Zaid Hamarsha's phone number?
- The practice phone number listed in the NPPES registry for Zaid Hamarsha is (718) 226-9000.
- Does Zaid Hamarsha accept Medicare?
- Zaid Hamarsha is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Zaid Hamarsha's NPI active?
- Yes — Zaid Hamarsha's NPI (1891229365) is active in the NPPES registry as of the last update on 2017-04-12.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.