Mark Christian Estrellado, M.D.
NPI 1336584457 · Emergency Medicine Physician · Bronx, NY
Enrolled with Medicare as Practitioner - Emergency Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mark Christian Estrellado, M.D. is a Emergency Medicine Physician provider in Bronx, NY (NPI 1336584457).
Provider details
- NPI number
- 1336584457
- Entity type
- Individual
- Primary specialty
- Emergency Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 288204 (NY)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
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
13 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
97 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 47 | $144 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 34 | $187 |
| Detection Test By Immunoassay With Direct Visual Observation for Severe Acute Respiratory Syndrome Coronavirus 2 (covid-19)87811 | 16 | $41 |
Typical Medicare-allowed amounts for these services range $41–$187 (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 · 16 distinct drugs on file.
| Drug | Part D claims (2024) |
|---|---|
| Ipratropium/Albuterol Sulfatebrand: Combivent Respimat | 40 |
| Diclofenac Sodium | 35 |
| Cyclosporinebrand: Restasis | 34 |
| Ubrogepantbrand: Ubrelvy | 34 |
| Efinaconazolebrand: Jublia | 32 |
| Mirabegronbrand: Myrbetriq | 32 |
| Ruxolitinib Phosphatebrand: Opzelura | 32 |
| Atogepantbrand: Qulipta | 32 |
| Icosapent Ethylbrand: Vascepa | 32 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2013-05-02
- Last updated
- 2026-01-04
- Certified
- 2026-01-04
Frequently asked questions
- What is Mark Christian Estrellado's NPI number?
- Mark Christian Estrellado's National Provider Identifier (NPI) is 1336584457, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Christian Estrellado's specialty?
- Mark Christian Estrellado is listed in the NPPES registry with a primary specialty of Emergency Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Mark Christian Estrellado located?
- Mark Christian Estrellado's practice location on file with NPPES is 1400 Pelham Pkwy S, Bronx, NY 10461-1138.
- What is Mark Christian Estrellado's phone number?
- The practice phone number listed in the NPPES registry for Mark Christian Estrellado is (718) 918-5820.
- Does Mark Christian Estrellado accept Medicare?
- Mark Christian Estrellado is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mark Christian Estrellado's NPI active?
- Yes — Mark Christian Estrellado's NPI (1336584457) is active in the NPPES registry as of the last update on 2026-01-04.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.