Doctor profile · Federal record

Dr. Alina Tan, M.D.

Hospitalist Physician (CMS: Hospitalist) · Internal Medicine Physician · Mountain View, CA

  • NPI 1952627267
  • Accepts Medicare
  • 16 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
701 E El Camino Real
Mountain View, CA 940402833
(650) 934-7000
Mailing address
325 Distel Cir
Los Altos, CA 940221408

Credentials & registration

NPPES · NUCC
NPI registered
April 2010 — 16 yrs on file
Profile last updated
February 25, 2021
Year of graduation
2010 — 16 yrs since
Specialty taxonomy
208M00000X — NUCC code
State license (1)
California #A129303

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1952627267. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
803
Distinct HCPCS
5
Medicare allowed
$101,143
HCPCS Description Services Patients Avg allowed
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 316 145 $137
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 215 108 $91
99239 Hospital discharge day management, more than 30 minutes 160 151 $133
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 74 73 $200
99231 Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 38 28 $56

In context: peer comparison

Among 19 peers in this city , average services per provider: 136. This provider delivers 5.9× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. Alina Tan's medical specialty?
Dr. Alina Tan practices Hospitalist Physician in Mountain View, CA.
Where does Dr. Alina Tan practice?
Dr. Alina Tan practices at 701 E El Camino Real, Mountain View, CA 940402833. Office phone: 6509347000.
What is Dr. Alina Tan's NPI?
Dr. Alina Tan's National Provider Identifier (NPI) is 1952627267, issued by NPPES.
Does Dr. Alina Tan accept Medicare assignment?
Yes. Dr. Alina Tan accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Alina Tan 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); Hospital discharge day management (HCPCS 99239). Source: CMS Medicare Physician & Other Practitioners file.