Doctor profile · Federal record

Dr. Matthew Sakumoto

Internal Medicine Physician (CMS: Internal Medicine) · Student in an Organized Health Care Education/Training Program · San Francisco, CA

  • NPI 1053700807
  • Accepts Medicare
  • 11 yrs in practice
  • Male
  • Solo practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
533 Parnassus Ave Rm U125
San Francisco, CA 94143
(415) 514-4539
Additional location
4077 Fifth Ave, Mer35
San Diego, CA 921032105
(619) 260-7220
Mailing address
333 1St St Ste A
San Francisco, CA 941052661

Credentials & registration

NPPES · NUCC
NPI registered
January 2015 — 11 yrs on file
Profile last updated
July 2, 2020
Year of graduation
2015 — 11 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
California #144546

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1053700807. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
48
Distinct HCPCS
2
Medicare allowed
$7,358
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 24 21 $152
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 24 24 $155

In context: peer comparison

Among 236 peers in this city , average services per provider: 93. This provider delivers 0.5× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$108
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Exact Sciences Corporation 1 $108.33

By nature of payment

Food and Beverage
$108

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
285
Patients
26
Total drug cost
$4,203
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 44 15 $611
Levothyroxine Sodium Generic 32 0 $456
Lisinopril Generic 27 11 $398
Gabapentin Generic 25 0 $279
Losartan Potassium Generic 24 0 $387
Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) Brand 23 0 $423
Amlodipine Besylate Generic 19 0 $245
Hydrochlorothiazide Generic 15 0 $44
Simvastatin Generic 15 0 $150
Bupropion Xl (Bupropion Hcl) Brand 14 0 $114

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Matthew Sakumoto's medical specialty?
Dr. Matthew Sakumoto practices Internal Medicine Physician in San Francisco, CA.
Where does Dr. Matthew Sakumoto practice?
Dr. Matthew Sakumoto practices at 533 Parnassus Ave Rm U125, San Francisco, CA 94143. Office phone: 4155144539.
What is Dr. Matthew Sakumoto's NPI?
Dr. Matthew Sakumoto's National Provider Identifier (NPI) is 1053700807, issued by NPPES.
Does Dr. Matthew Sakumoto accept Medicare assignment?
Yes. Dr. Matthew Sakumoto accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Matthew Sakumoto commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (HCPCS G0439). Source: CMS Medicare Physician & Other Practitioners file.