Mark Zafereo, MD
NPI 1699920876 · Otolaryngology Physician · Houston, TX
Enrolled with Medicare as Practitioner - Otolaryngology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mark Zafereo, MD is a Otolaryngology Physician provider in Houston, TX (NPI 1699920876).
Provider details
- NPI number
- 1699920876
- Entity type
- Individual
- Primary specialty
- Otolaryngology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- BP20029922 (TX)
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
17 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
154 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) |
|---|---|---|
| Diagnostic Exam of Voice Box Using a Flexible Endoscope31575 | 40 | $68 |
| New Patient Office Or Other Outpatient Visit With a High Level of Medical Decision Making, If Using Time, 60 Minutes Or More99205 | 39 | $178 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 25 | $66 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 18 | $128 |
| Removal of Lymph Nodes, Muscle, and Tissue of Neck38724 | 17 | $1,780 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2008-12-01
- Last updated
- 2012-01-23
Frequently asked questions
- What is Mark Zafereo's NPI number?
- Mark Zafereo's National Provider Identifier (NPI) is 1699920876, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Zafereo's specialty?
- Mark Zafereo is listed in the NPPES registry with a primary specialty of Otolaryngology Physician (Allopathic & Osteopathic Physicians).
- Where is Mark Zafereo located?
- Mark Zafereo's practice location on file with NPPES is 1515 Holcombe Blvd Unit 1445, Houston, TX 77030-4000.
- What is Mark Zafereo's phone number?
- The practice phone number listed in the NPPES registry for Mark Zafereo is (713) 792-6525.
- Does Mark Zafereo accept Medicare?
- Mark Zafereo is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mark Zafereo's NPI active?
- Yes — Mark Zafereo's NPI (1699920876) is active in the NPPES registry as of the last update on 2012-01-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.