Doctor profile · Federal record

Dr. Andrew Mak, M.D.

Hematology & Oncology Physician (CMS: Hematology/Oncology) · Amarillo, TX

  • NPI 1306227376
  • Accepts Medicare
  • MIPS 93.3 / 100 · 2023
  • 11 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1751 Wallace Blvd
Amarillo, TX 791061711
(806) 212-4673
fax (806) 212-0057

Credentials & registration

NPPES · NUCC
NPI registered
June 2015 — 11 yrs on file
Profile last updated
September 16, 2022
Year of graduation
2015 — 11 yrs since
Specialty taxonomy
207RH0003X — NUCC code
State license (1)
Texas #T5978

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1306227376. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
388
Distinct HCPCS
5
Medicare allowed
$46,339
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 148 79 $93
99215 Established patient office or other outpatient visit, 40-54 minutes 148 41 $137
99204 New patient office or other outpatient visit, 45-59 minutes 55 55 $126
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 22 18 $125
99205 New patient office or other outpatient visit, 60-74 minutes 15 15 $174

In context: peer comparison

Among 7 peers in Amarillo Hematology & Oncology Physician, average services per provider: 2,834. This provider delivers 0.1× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$953
Transactions
32
Manufacturers
15
Payer (manufacturer) Industry Txns Amount
Incyte Corporation 1 $84.99
Astellas Pharma US INC 3 $61.04
Genentech USA, INC. 3 $57.85
Blueprint Medicines Corporation 2 $56.61
Daiichi Sankyo INC. 3 $55.67
Pfizer INC. 3 $51.40
Merck Sharp & Dohme LLC 2 $50.55
Novartis Pharmaceuticals Corporation 2 $50.38
Alexion Pharmaceuticals, INC. 2 $46.40
Celgene Corporation 2 $45.11
Gilead Sciences, INC. 2 $42.03
BeiGene USA, INC. 2 $37.74
Abbvie INC. 2 $35.08
TerSera Therapeutics LLC 1 $34.02
Array Biopharma INC 2 $30.56

By nature of payment

Food and Beverage
$868
Education
$85

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
297
Patients
75
Total drug cost
$30,382
Drug Type Claims Patients Total cost
Prochlorperazine Maleate Generic 43 22 $792
Ondansetron Hcl Generic 36 19 $441
Megestrol Acetate Generic 26 0 $3,601
Morphine Sulfate ER (Morphine Sulfate) Brand 24 11 $572
Diphenoxylate-Atropine (Diphenoxylate Hcl/Atropine) Brand 21 0 $490
Xarelto (Rivaroxaban) Brand 21 0 $15,685
Acyclovir Generic 19 0 $394
Oxycodone Hcl Generic 17 11 $239
Azithromycin Generic 16 12 $81
Lorazepam Generic 15 0 $84

Frequently asked questions

Auto-generated from federal data
What is Dr. Andrew Mak's medical specialty?
Dr. Andrew Mak practices Hematology & Oncology Physician in Amarillo, TX.
Where does Dr. Andrew Mak practice?
Dr. Andrew Mak practices at 1751 Wallace Blvd, Amarillo, TX 791061711. Office phone: 8062124673.
What is Dr. Andrew Mak's NPI?
Dr. Andrew Mak's National Provider Identifier (NPI) is 1306227376, issued by NPPES.
Does Dr. Andrew Mak accept Medicare assignment?
Yes. Dr. Andrew Mak accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Andrew Mak commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99215); New patient office or other outpatient visit (HCPCS 99204). Source: CMS Medicare Physician & Other Practitioners file.