Doctor profile · Federal record

Dr. Lauren Sarnat, M.D.

Internal Medicine Physician (CMS: Internal Medicine) · Denver, CO

  • NPI 1649385352
  • Accepts Medicare
  • 26 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1400 Jackson St
Denver, CO 802062761
(303) 388-4461
fax (303) 270-2206

Credentials & registration

NPPES · NUCC
NPI registered
August 2006 — 20 yrs on file
Profile last updated
March 17, 2021
Year of graduation
2000 — 26 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
Colorado #41572
Medicaid
CO #15255361

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1649385352. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
149
Distinct HCPCS
3
Medicare allowed
$19,272
HCPCS Description Services Patients Avg allowed
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 83 31 $120
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 42 38 $175
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 24 12 $80

In context: peer comparison

Among 78 peers in Denver Internal Medicine Physician, average services per provider: 111. This provider delivers 1.3× the peer median.

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Lauren Sarnat's medical specialty?
Dr. Lauren Sarnat practices Internal Medicine Physician in Denver, CO.
Where does Dr. Lauren Sarnat practice?
Dr. Lauren Sarnat practices at 1400 Jackson St, Denver, CO 802062761. Office phone: 3033884461.
What is Dr. Lauren Sarnat's NPI?
Dr. Lauren Sarnat's National Provider Identifier (NPI) is 1649385352, issued by NPPES.
Does Dr. Lauren Sarnat accept Medicare assignment?
Yes. Dr. Lauren Sarnat accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Lauren Sarnat commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Initial hospital care with moderate level of medical decision making (HCPCS 99223); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232). Source: CMS Medicare Physician & Other Practitioners file.