Doctor profile · Federal record

Dr. Alex Studemeister, MD

Infectious Disease Physician (CMS: Infectious Disease) · Internal Medicine Physician · Hospitalist Physician · San Jose, CA

  • NPI 1235171620
  • Accepts Medicare
  • MIPS 22.5 / 100 · 2023
  • 43 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
751 S Bascom Ave, Infectious Disease Department
San Jose, CA 951282604
(408) 885-5000

Credentials & registration

NPPES · NUCC
NPI registered
June 2006 — 20 yrs on file
Profile last updated
May 5, 2008
Year of graduation
1983 — 43 yrs since
Specialty taxonomy
207RI0200X — NUCC code
State license (1)
California #G57832
Medicaid
CA #00G578320

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1235171620. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,369
Distinct HCPCS
3
Medicare allowed
$181,580
HCPCS Description Services Patients Avg allowed
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 530 170 $135
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 510 144 $89
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 329 301 $196

In context: peer comparison

Among 3 peers in San Jose Infectious Disease Physician, average services per provider: 295. This provider delivers 4.6× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$28
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Insmed, INC. 1 $27.75

By nature of payment

Food and Beverage
$28

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
433
Patients
0
Total drug cost
$298,259
Drug Type Claims Patients Total cost
Gabapentin Generic 83 0 $744
Atorvastatin Calcium Generic 68 0 $751
Biktarvy (Bictegrav/Emtricit/Tenofov Ala) Brand 46 0 $192,453
Simvastatin Generic 37 0 $182
Losartan Potassium Generic 36 0 $179
Levothyroxine Sodium Generic 32 0 $389
Memantine Hcl Generic 27 0 $2,267
Diltiazem 24Hr ER (Cd) (Diltiazem Hcl) Brand 23 0 $388
Citalopram Hbr (Citalopram Hydrobromide) Brand 17 0 $84
Tivicay (Dolutegravir Sodium) Brand 16 0 $78,555

Frequently asked questions

Auto-generated from federal data
What is Dr. Alex Studemeister's medical specialty?
Dr. Alex Studemeister practices Infectious Disease Physician in San Jose, CA.
Where does Dr. Alex Studemeister practice?
Dr. Alex Studemeister practices at 751 S Bascom Ave, San Jose, CA 951282604. Office phone: 4088855000.
What is Dr. Alex Studemeister's NPI?
Dr. Alex Studemeister's National Provider Identifier (NPI) is 1235171620, issued by NPPES.
Does Dr. Alex Studemeister accept Medicare assignment?
Yes. Dr. Alex Studemeister accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Alex Studemeister commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Initial hospital care with moderate level of medical decision making (HCPCS 99223). Source: CMS Medicare Physician & Other Practitioners file.