Doctor profile · Federal record

Dr. Madeleine Ma, PA-C

Physician Assistant · Physician Assistant · Sunnyvale, CA

  • NPI 1376158907
  • Accepts Medicare
  • 6 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
301 Old San Francisco RD
Sunnyvale, CA 940866386
(408) 730-4262
Mailing address
325 Distel Cir
Los Altos, CA 940221408

Credentials & registration

NPPES · NUCC
NPI registered
September 2020 — 6 yrs on file
Profile last updated
March 1, 2024
Year of graduation
2020 — 6 yrs since
Specialty taxonomy
363A00000X — NUCC code
State license (1)
California #PA58556

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1376158907. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
224
Distinct HCPCS
6
Medicare allowed
$19,589
HCPCS Description Services Patients Avg allowed
99213 Established patient office or other outpatient visit, 20-29 minutes 82 68 $82
99214 Established patient office or other outpatient visit, 30-39 minutes 48 46 $127
99442 Telephone medical discussion with physician, 11-20 minutes 35 32 $65
99443 Telephone medical discussion with physician, 21-30 minutes 33 29 $92
93000 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report 15 15 $15
99203 New patient office or other outpatient visit, 30-44 minutes 11 11 $114

In context: peer comparison

Among 9 peers in this city , average services per provider: 44. This provider delivers 5.1× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$125
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Exact Sciences Corporation 1 $124.98

By nature of payment

Food and Beverage
$125

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
221
Patients
13
Total drug cost
$5,031
Drug Type Claims Patients Total cost
Amlodipine Besylate Generic 35 13 $330
Losartan Potassium Generic 30 0 $364
Atorvastatin Calcium Generic 22 0 $248
Pantoprazole Sodium Generic 22 0 $192
Rosuvastatin Calcium Generic 21 0 $442
Lisinopril-Hydrochlorothiazide (Lisinopril/Hydrochlorothiazide) Brand 17 0 $65
Levothyroxine Sodium Generic 13 0 $193
Metformin Hcl Generic 13 0 $109
Metformin Hcl Er (Metformin Hcl) Brand 13 0 $511
Clonidine Hcl Generic 12 0 $155

Frequently asked questions

Auto-generated from federal data
What is Dr. Madeleine Ma's medical specialty?
Dr. Madeleine Ma practices Physician Assistant in Sunnyvale, CA.
Where does Dr. Madeleine Ma practice?
Dr. Madeleine Ma practices at 301 Old San Francisco RD, Sunnyvale, CA 940866386. Office phone: 4087304262.
What is Dr. Madeleine Ma's NPI?
Dr. Madeleine Ma's National Provider Identifier (NPI) is 1376158907, issued by NPPES.
Does Dr. Madeleine Ma accept Medicare assignment?
Yes. Dr. Madeleine Ma accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Madeleine Ma commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Established patient office or other outpatient visit (HCPCS 99214); Telephone medical discussion with physician (HCPCS 99442). Source: CMS Medicare Physician & Other Practitioners file.