Doctor profile · Federal record

Dr. Mai Phan, M.D.

Internal Medicine Physician (CMS: Internal Medicine) · Reseda, CA

  • NPI 1306879283
  • Accepts Medicare
  • 48 yrs in practice
  • Female
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
18625 Sherman Way, Suite #104
Reseda, CA 913354148
(818) 342-8171
fax (818) 342-8173

Credentials & registration

NPPES · NUCC
NPI registered
July 2006 — 20 yrs on file
Profile last updated
July 8, 2007
Year of graduation
1978 — 48 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
California #A051466
Medicaid
CA #00A514660

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1306879283. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
418
Distinct HCPCS
7
Medicare allowed
$29,814
HCPCS Description Services Patients Avg allowed
36415 Insertion of needle into vein for collection of blood sample 144 73 $8
99214 Established patient office or other outpatient visit, 30-39 minutes 142 71 $134
99213 Established patient office or other outpatient visit, 20-29 minutes 62 48 $89
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 20 20 $140
G0442 Annual alcohol misuse screening, 5 to 15 minutes 18 18 $21
G0444 Annual depression screening, 5 to 15 minutes 18 18 $21
G0008 Administration of influenza virus vaccine 14 14 $33

In context: peer comparison

Among 4 peers in this city , average services per provider: 365. This provider delivers 1.1× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$283
Transactions
10
Manufacturers
5
Payer (manufacturer) Industry Txns Amount
Regeneron Healthcare Solutions, Inc. 4 $163.79
ABBVIE INC. 2 $46.09
AstraZeneca Pharmaceuticals LP 2 $27.41
Exact Sciences Corporation 1 $22.98
Bausch & Lomb Americas Inc. 1 $22.97

By nature of payment

Food and Beverage
$283

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
7,228
Patients
2,282
Total drug cost
$1,309,735
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 1,284 378 $56,029
Losartan Potassium Generic 808 224 $36,327
Amlodipine Besylate Generic 719 219 $31,323
Alendronate Sodium Generic 577 175 $22,197
Metformin Hcl Generic 539 172 $13,896
Simvastatin Generic 402 114 $16,000
Triamcinolone Acetonide Generic 387 145 $5,864
Omeprazole Generic 385 132 $16,774
Celecoxib Generic 354 139 $78,198
Tamsulosin Hcl Generic 353 112 $19,859

Frequently asked questions

Auto-generated from federal data
What is Dr. Mai Phan's medical specialty?
Dr. Mai Phan practices Internal Medicine Physician in Reseda, CA.
Where does Dr. Mai Phan practice?
Dr. Mai Phan practices at 18625 Sherman Way, Reseda, CA 913354148. Office phone: 8183428171.
What is Dr. Mai Phan's NPI?
Dr. Mai Phan's National Provider Identifier (NPI) is 1306879283, issued by NPPES.
Does Dr. Mai Phan accept Medicare assignment?
Yes. Dr. Mai Phan accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Mai 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); Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.