Marcos Masson, MD
NPI 1134123664 · Orthopaedic Hand Surgery Physician · Houston, TX
Enrolled with Medicare as Practitioner - Orthopedic Surgery · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Marcos Masson, MD is a Orthopaedic Hand Surgery Physician provider in Houston, TX (NPI 1134123664).
Provider details
- NPI number
- 1134123664
- Entity type
- Individual
- Primary specialty
- Orthopaedic Hand Surgery PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- J1304 (TX)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
21 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
1,132 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
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 .
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 Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 169 | $87 |
| Therapy Procedure Using Exercise to Develop Strength, Endurance, Range of Motion, and Flexibility, Each 15 Minutes97110 | 155 | $20 |
| X-Ray of Shoulder, Minimum of 2 Views73030 | 96 | $33 |
| Aspiration And/Or Injection of Fluid From Large Joint20610 | 86 | $61 |
| Therapy Procedure to Re-Educate Brain-To-Nerve-To-Muscle Function, Each 15 Minutes97112 | 85 | $29 |
| Therapy Procedure Using Manual Technique, Each 15 Minutes97140 | 77 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 14 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 80 | 45 |
| Celecoxib | 40 | 21 |
| Ibuprofen | 38 | 22 |
| Meloxicam | 33 | 24 |
| Acetaminophen With Codeinebrand: Acetaminophen-Codeine | 29 | 16 |
| Ketorolac Tromethamine | 27 | 21 |
| Tramadol Hcl | 26 | 17 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$69 across 2 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2005-06-13
- Last updated
- 2019-12-23
- Certified
- 2019-12-23
Frequently asked questions
- What is Marcos Masson's NPI number?
- Marcos Masson's National Provider Identifier (NPI) is 1134123664, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Marcos Masson's specialty?
- Marcos Masson is listed in the NPPES registry with a primary specialty of Orthopaedic Hand Surgery Physician (Allopathic & Osteopathic Physicians).
- Where is Marcos Masson located?
- Marcos Masson's practice location on file with NPPES is 1200 Binz St, Houston, TX 77004-6900.
- What is Marcos Masson's phone number?
- The practice phone number listed in the NPPES registry for Marcos Masson is (713) 520-1210.
- Does Marcos Masson accept Medicare?
- Marcos Masson is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Marcos Masson's NPI active?
- Yes — Marcos Masson's NPI (1134123664) is active in the NPPES registry as of the last update on 2019-12-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.