Doctor profile · Federal record

Dr. Huong Phan, MD

Internal Medicine Physician (CMS: Internal Medicine) · Columbia, SC

  • NPI 1326059627
  • Accepts Medicare
  • MIPS 83.0 / 100 · 2023
  • 34 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
4540 Trenholm RD
Columbia, SC 292064462
(803) 790-4700
fax (803) 790-6130
Mailing address
Po Box 6069
West Columbia, SC 291716069

Credentials & registration

NPPES · NUCC
NPI registered
August 2006 — 20 yrs on file
Profile last updated
November 10, 2020
Year of graduation
1992 — 34 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
South Carolina #17413
Medicaid
SC #174135

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1326059627. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
5,889
Distinct HCPCS
10
Medicare allowed
$191,613
HCPCS Description Services Patients Avg allowed
36415 Insertion of needle into vein for collection of blood sample 866 337 $7
99214 Established patient office or other outpatient visit, 30-39 minutes 789 326 $122
80053 Blood test, comprehensive group of blood chemicals 669 329 $10
83036 Hemoglobin a1c level 477 236 $9
80061 Blood test, lipids (cholesterol and triglycerides) 475 311 $13
85025 Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count 393 297 $8
84443 Blood test, thyroid stimulating hormone (tsh) 353 281 $16
81003 Automated urinalysis test 317 277 $2
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 241 241 $124
82043 Urine microalbumin (protein) level 205 199 $6

In context: peer comparison

Among 57 peers in Columbia Internal Medicine Physician, average services per provider: 697. This provider delivers 8.4× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$998
Transactions
63
Manufacturers
15
Payer (manufacturer) Industry Txns Amount
AstraZeneca Pharmaceuticals Lp 9 $194.88
Lilly USA, LLC 9 $152.75
Abbvie INC. 15 $149.17
Novo Nordisk INC 8 $148.24
Amgen INC. 5 $69.71
Boehringer Ingelheim Pharmaceuticals, INC. 3 $52.27
Salix Pharmaceuticals, A Division of Bausch Health US, LLC 3 $48.73
Abbott Laboratories 2 $46.64
Dynavax Technologies Corporation 2 $32.70
Exact Sciences Corporation 2 $31.21
Lexicon Pharmaceuticals, INC. 1 $15.00
Corcept Therapeutics 1 $14.94
Iti, INC. (D/B/A Intra-Cellular Therapies, INC.) 1 $14.34
Astellas Pharma US INC 1 $13.64
Phathom Pharmaceuticals, INC. 1 $13.43

By nature of payment

Food and Beverage
$998

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
3,050
Patients
843
Total drug cost
$45,803
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 506 136 $7,852
Rosuvastatin Calcium Generic 401 123 $7,371
Levothyroxine Sodium Generic 332 72 $4,387
Losartan Potassium Generic 305 81 $4,290
Amlodipine Besylate Generic 298 84 $2,098
Omeprazole Generic 177 52 $2,733
Pravastatin Sodium Generic 155 44 $2,412
Potassium Chloride Generic 123 30 $2,177
Ezetimibe Generic 122 38 $5,327
Metformin Hcl ER (Metformin Hcl) Brand 121 34 $1,545

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Huong Phan's medical specialty?
Dr. Huong Phan practices Internal Medicine Physician in Columbia, SC.
Where does Dr. Huong Phan practice?
Dr. Huong Phan practices at 4540 Trenholm RD, Columbia, SC 292064462. Office phone: 8037904700.
What is Dr. Huong Phan's NPI?
Dr. Huong Phan's National Provider Identifier (NPI) is 1326059627, issued by NPPES.
Does Dr. Huong Phan accept Medicare assignment?
Yes. Dr. Huong Phan accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Huong Phan commonly perform?
Top Medicare-reported procedures in 2023: Insertion of needle into vein for collection of blood sample (HCPCS 36415); Established patient office or other outpatient visit (HCPCS 99214); Blood test, comprehensive group of blood chemicals (HCPCS 80053). Source: CMS Medicare Physician & Other Practitioners file.