Doctor profile · Federal record

Dr. Thanh Nguyen-Dinh, M.D.

Geriatric Medicine (Internal Medicine) Physician (CMS: Internal Medicine) · San Leandro, CA

  • NPI 1063495323
  • Accepts Medicare
  • MIPS 90.2 / 100 · 2023
  • 52 yrs in practice
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
716 Raineer CT
San Leandro, CA 945771556
(408) 681-8999

Credentials & registration

NPPES · NUCC
NPI registered
November 2005 — 21 yrs on file
Profile last updated
December 27, 2013
Year of graduation
1974 — 52 yrs since
Specialty taxonomy
207RG0300X — NUCC code
State license (1)
Virginia #0101-31818

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1063495323. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,554
Distinct HCPCS
10
Medicare allowed
$138,806
HCPCS Description Services Patients Avg allowed
99213 Established patient office or other outpatient visit, 20-29 minutes 547 524 $107
99203 New patient office or other outpatient visit, 30-44 minutes 337 337 $131
81002 Urinalysis, manual test 138 138 $3
99214 Established patient office or other outpatient visit, 30-39 minutes 94 92 $151
93000 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report 75 75 $18
87635 Amplifed dna or rna probe detection of severe acute respiratory syndrome coronavirus 2 (covid-19) antigen 74 74 $50
87880 Detection test by immunoassay with direct visual observation for streptococcus, group a (strep) 63 63 $16
99212 Established patient office or other outpatient visit, 10-19 minutes 41 41 $68
87804 Detection test by immunoassay with direct visual observation for influenza virus 40 40 $16
99204 New patient office or other outpatient visit, 45-59 minutes 36 36 $196

In context: peer comparison

Among 1 peers in San Leandro Geriatric Medicine (Internal Medicine) Physician, average services per provider: 103. This provider delivers 15× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$55
Transactions
2
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Gilead Sciences, INC. 2 $54.59

By nature of payment

Food and Beverage
$55

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,585
Patients
994
Total drug cost
$30,154
Drug Type Claims Patients Total cost
Amlodipine Besylate Generic 234 100 $5,680
Atorvastatin Calcium Generic 229 94 $7,144
Losartan Potassium Generic 155 62 $4,930
Baclofen Generic 125 115 $853
Metformin Hcl Generic 104 43 $2,338
Triamcinolone Acetonide Generic 103 88 $883
Paxlovid (Eua) (Nirmatrelvir/Ritonavir) Brand 99 99 $1,010
Hydrochlorothiazide Generic 88 39 $722
Doxycycline Monohydrate Generic 81 80 $1,209
Cephalexin Generic 78 74 $549

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Thanh Nguyen-Dinh's medical specialty?
Dr. Thanh Nguyen-Dinh practices Geriatric Medicine (Internal Medicine) Physician in San Leandro, CA.
Where does Dr. Thanh Nguyen-Dinh practice?
Dr. Thanh Nguyen-Dinh practices at 716 Raineer CT, San Leandro, CA 945771556. Office phone: 4086818999.
What is Dr. Thanh Nguyen-Dinh's NPI?
Dr. Thanh Nguyen-Dinh's National Provider Identifier (NPI) is 1063495323, issued by NPPES.
Does Dr. Thanh Nguyen-Dinh accept Medicare assignment?
Yes. Dr. Thanh Nguyen-Dinh accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Thanh Nguyen-Dinh commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); New patient office or other outpatient visit (HCPCS 99203); Urinalysis, manual test (HCPCS 81002). Source: CMS Medicare Physician & Other Practitioners file.