Doctor profile · Federal record

Dr. Abren Belay, M.D.

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

  • NPI 1194030593
  • Accepts Medicare
  • 24 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
2500 Grant RD
Mountain View, CA 940404302
(650) 988-3271
Additional location
300 Pasteur Dr
Stanford, CA 943052200
(650) 723-4000

Credentials & registration

NPPES · NUCC
NPI registered
August 2010 — 16 yrs on file
Profile last updated
April 22, 2024
Year of graduation
2002 — 24 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
California #A122037

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1194030593. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
393
Distinct HCPCS
2
Medicare allowed
$76,299
HCPCS Description Services Patients Avg allowed
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 363 346 $199
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 30 13 $137

In context: peer comparison

Among 31 peers in Mountain View Internal Medicine Physician, average services per provider: 110. This provider delivers 3.6× the peer median.

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Abren Belay's medical specialty?
Dr. Abren Belay practices Internal Medicine Physician in Mountain View, CA.
Where does Dr. Abren Belay practice?
Dr. Abren Belay practices at 2500 Grant RD, Mountain View, CA 940404302. Office phone: 6509883271.
What is Dr. Abren Belay's NPI?
Dr. Abren Belay's National Provider Identifier (NPI) is 1194030593, issued by NPPES.
Does Dr. Abren Belay accept Medicare assignment?
Yes. Dr. Abren Belay accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Abren Belay commonly perform?
Top Medicare-reported procedures in 2023: Initial hospital care with moderate level of medical decision making (HCPCS 99223); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233). Source: CMS Medicare Physician & Other Practitioners file.