Doctor profile · Federal record

Dr. Sudha Karupaiah, MD

Internal Medicine Physician (CMS: Sleep Medicine) · San Jose, CA

  • NPI 1316984800
  • Accepts Medicare
  • MIPS 100.0 / 100 · 2023
  • 34 yrs in practice
  • Female
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
560 E Saint John St
San Jose, CA 951123413
(408) 279-1400
fax (408) 279-3216

Credentials & registration

NPPES · NUCC
NPI registered
June 2006 — 20 yrs on file
Profile last updated
May 25, 2022
Year of graduation
1992 — 34 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
California #A85414

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1316984800. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,229
Distinct HCPCS
9
Medicare allowed
$243,972
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 939 374 $155
99204 New patient office or other outpatient visit, 45-59 minutes 58 58 $200
95810 Sleep study in sleep lab (6 years or older) 56 55 $828
90674 Influenza vaccine, quadrivalent derived from cell cultures, preservative and antibiotic free 45 45 $33
G0008 Administration of influenza virus vaccine 45 45 $37
95811 Sleep study in sleep lab with continuous airway pressure (6 years or older) 37 37 $866
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 17 17 $158
95806 Sleep study including heart rate, breathing, airflow, and effort 16 15 $118
G0444 Annual depression screening, 5 to 15 minutes 16 16 $24

In context: peer comparison

Among 94 peers in this city , average services per provider: 175. This provider delivers 7.0× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
2,037
Patients
593
Total drug cost
$32,836
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 270 74 $4,442
Levothyroxine Sodium Generic 208 56 $4,255
Amlodipine Besylate Generic 191 57 $2,250
Lisinopril Generic 182 49 $2,205
Losartan Potassium Generic 167 54 $3,468
Metformin Hcl Generic 155 44 $2,138
Simvastatin Generic 138 38 $2,265
Glipizide Er (Glipizide) Brand 124 37 $3,652
Zolpidem Tartrate Generic 107 17 $780
Hydrochlorothiazide Generic 99 30 $386

Frequently asked questions

Auto-generated from federal data
What is Dr. Sudha Karupaiah's medical specialty?
Dr. Sudha Karupaiah practices Internal Medicine Physician in San Jose, CA.
Where does Dr. Sudha Karupaiah practice?
Dr. Sudha Karupaiah practices at 560 E Saint John St, San Jose, CA 951123413. Office phone: 4082791400.
What is Dr. Sudha Karupaiah's NPI?
Dr. Sudha Karupaiah's National Provider Identifier (NPI) is 1316984800, issued by NPPES.
Does Dr. Sudha Karupaiah accept Medicare assignment?
Yes. Dr. Sudha Karupaiah accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Sudha Karupaiah commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); New patient office or other outpatient visit (HCPCS 99204); Sleep study in sleep lab (6 years or older) (HCPCS 95810). Source: CMS Medicare Physician & Other Practitioners file.