Doctor profile · Federal record

Dr. Alda Tam, M.D.

Diagnostic Radiology Physician (CMS: Interventional Radiology) · Houston, TX

  • NPI 1649283250
  • Accepts Medicare
  • MIPS 79.4 / 100 · 2023
  • 26 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1515 Holcombe Blvd
Houston, TX 770304009
(713) 792-6161
Mailing address
Po Box 4439
Houston, TX 772104439

Credentials & registration

NPPES · NUCC
NPI registered
August 2006 — 20 yrs on file
Profile last updated
June 20, 2012
Year of graduation
2000 — 26 yrs since
Specialty taxonomy
2085R0202X — NUCC code
State license (1)
Texas #41396
Medicaid
TX #182779201

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1649283250. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
243
Distinct HCPCS
7
Medicare allowed
$10,617
HCPCS Description Services Patients Avg allowed
99152 Use of a drug to induce depression of consciousness by physician performing a procedure (5 years or older), initial 15 minutes 72 68 $13
71045 X-ray of chest, 1 view 57 27 $9
77012 Review by radiologist of ct guidance for needle placement 46 44 $71
32408 Core needle biopsy of lung or center cavity of chest (mediastinum), accessed through skin 22 22 $149
76942 Ultrasonic guidance for needle placement 20 20 $31
49180 Needle biopsy of growth of abdominal cavity 15 14 $79
47000 Needle biopsy of liver through skin 11 11 $77

In context: peer comparison

Among 269 peers in Houston Diagnostic Radiology Physician, average services per provider: 111. This provider delivers 2.2× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$389
Transactions
4
Manufacturers
4
Payer (manufacturer) Industry Txns Amount
Boston Scientific Corporation 1 $135.68
Ethicon US, LLC 1 $108.73
Cook Medical LLC 1 $75.35
Siemens Medical Solutions USA, INC. 1 $68.99

By nature of payment

Food and Beverage
$389

Frequently asked questions

Auto-generated from federal data
What is Dr. Alda Tam's medical specialty?
Dr. Alda Tam practices Diagnostic Radiology Physician in Houston, TX.
Where does Dr. Alda Tam practice?
Dr. Alda Tam practices at 1515 Holcombe Blvd, Houston, TX 770304009. Office phone: 7137926161.
What is Dr. Alda Tam's NPI?
Dr. Alda Tam's National Provider Identifier (NPI) is 1649283250, issued by NPPES.
Does Dr. Alda Tam accept Medicare assignment?
Yes. Dr. Alda Tam accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Alda Tam commonly perform?
Top Medicare-reported procedures in 2023: Use of a drug to induce depression of consciousness by physician performing a procedure (5 years or older) (HCPCS 99152); X-ray of chest, 1 view (HCPCS 71045); Review by radiologist of ct guidance for needle placement (HCPCS 77012). Source: CMS Medicare Physician & Other Practitioners file.