Kathy Sam, M.D.
NPI 1427203819 · Hematology & Oncology Physician · Houston, TX
Enrolled with Medicare as Practitioner - Hematology/Oncology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Kathy Sam, M.D. is a Hematology & Oncology Physician provider in Houston, TX (NPI 1427203819).
Provider details
- NPI number
- 1427203819
- Entity type
- Individual
- Primary specialty
- Hematology & Oncology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- P3812 (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
17 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
19 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
2,504 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) |
|---|---|---|
| Complete Blood Cell Count (red Cells, White Blood Cell, Platelets), Automated Test and Automated Differential White Blood Cell Count85025 | 739 | $8 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 250 | $16 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 241 | $89 |
| Injection of Drug Or Substance Under Skin Or Into Muscle96372 | 227 | $14 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 225 | $127 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 61 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Letrozole | 213 | 76 |
| Apixabanbrand: Eliquis | 105 | 21 |
| Anastrozole | 98 | 31 |
| Dexamethasone | 92 | 49 |
| Ondansetronbrand: Ondansetron Odt | 90 | 68 |
| Abemaciclibbrand: Verzenio | 90 | 13 |
| Prednisone | 83 | 22 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$4,070 across 167 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
Additional practice locations (18)
- 7121 S Padre Island DrSuite 102-101,119Corpus Christi, TX 78412-4938Phone: (361) 696-6000Fax: (361) 992-4120
- 27700 Northwest FreewaySuite 400,425Cypress, TX 77433-6767Phone: (832) 377-3260Fax: (888) 506-5887
- 10405 Katy Fwy Ste 150eHouston, TX 77024-1165Phone: (713) 722-9660Fax: (713) 722-9664
- 2130 W Holcombe Blvd Fl 10Houston, TX 77030-3306Phone: (713) 600-0900Fax: (713) 600-0070
- 10405 Katy Fwy Ste 120Houston, TX 77024-1121Phone: (832) 333-1474Fax: (832) 333-1475
- 11920 Astoria Blvd Ste 150Houston, TX 77089-6097Phone: (281) 481-6688Fax: (281) 481-0870
- 9150 Main St Ste A3Houston, TX 77025-3848Phone: (713) 630-8181Fax: (713) 838-9708
- 925 Gessner Rd
Registry dates
- Enumerated
- 2008-11-26
- Last updated
- 2026-03-18
- Certified
- 2026-03-18
Frequently asked questions
- What is Kathy Sam's NPI number?
- Kathy Sam's National Provider Identifier (NPI) is 1427203819, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Kathy Sam's specialty?
- Kathy Sam is listed in the NPPES registry with a primary specialty of Hematology & Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is Kathy Sam located?
- Kathy Sam's practice location on file with NPPES is 7789 Southwest Fwy Ste 460, Houston, TX 77074-1841.
- What is Kathy Sam's phone number?
- The practice phone number listed in the NPPES registry for Kathy Sam is (713) 778-0300.
- Does Kathy Sam accept Medicare?
- Kathy Sam is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Kathy Sam's NPI active?
- Yes — Kathy Sam's NPI (1427203819) is active in the NPPES registry as of the last update on 2026-03-18.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.