Doctor profile · Federal record

Dr. Santiago de la Garza, M.D.

Internal Medicine Physician (CMS: Internal Medicine) · Student in an Organized Health Care Education/Training Program · Boulder, CO

  • NPI 1063830313
  • Accepts Medicare
  • 12 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
4747 Arapahoe Ave
Boulder, CO 803031131
(303) 415-7610
fax (303) 415-7618
Mailing address
5450 Western Ave
Boulder, CO 803012709

Credentials & registration

NPPES · NUCC
NPI registered
April 2014 — 12 yrs on file
Profile last updated
March 17, 2018
Year of graduation
2014 — 12 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
Colorado #DR.0058277

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1063830313. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
194
Distinct HCPCS
3
Medicare allowed
$32,379
HCPCS Description Services Patients Avg allowed
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 151 144 $171
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 31 30 $129
99236 Initial hospital care with same-day admission and discharge with high level of medical decision making, per day, if using time, at least 85 minutes 12 12 $207

In context: peer comparison

Among 21 peers in this city , average services per provider: 87. This provider delivers 2.2× the peer median.

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Santiago de la Garza's medical specialty?
Dr. Santiago de la Garza practices Internal Medicine Physician in Boulder, CO.
Where does Dr. Santiago de la Garza practice?
Dr. Santiago de la Garza practices at 4747 Arapahoe Ave, Boulder, CO 803031131. Office phone: 3034157610.
What is Dr. Santiago de la Garza's NPI?
Dr. Santiago de la Garza's National Provider Identifier (NPI) is 1063830313, issued by NPPES.
Does Dr. Santiago de la Garza accept Medicare assignment?
Yes. Dr. Santiago de la Garza accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Santiago de la Garza commonly perform?
Top Medicare-reported procedures in 2023: Initial hospital care with moderate level of medical decision making (HCPCS 99223); Initial hospital care with straightforward or low-level medical decision making (HCPCS 99222); Initial hospital care with same-day admission and discharge with high level of medical decision making (HCPCS 99236). Source: CMS Medicare Physician & Other Practitioners file.