Doctor profile · Federal record

Dr. Clare Sullivan, ARNP

Nurse Practitioner · Family Nurse Practitioner · Littleton, CO

  • NPI 1154878981
  • 10 yrs on file
  • Licensed in 2 states
  • Female
  • Solo practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
15 W Dry Creek Cir
Littleton, CO 801204427
(303) 952-1105
Additional location
13918 E Mississippi Ave, 474
Aurora, CO 800123603
(303) 695-6060

Credentials & registration

NPPES · NUCC
NPI registered
September 2016 — 10 yrs on file
Profile last updated
June 6, 2023
Specialty taxonomy
363L00000X — NUCC code
State licenses (2)
Colorado #APN0992594NP · Florida #ARNP9361853

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1154878981. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
521
Distinct HCPCS
2
Medicare allowed
$55,432
HCPCS Description Services Patients Avg allowed
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 453 200 $100
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 68 66 $146

In context: peer comparison

Among 11 peers in this city , average services per provider: 101. This provider delivers 5.2× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. Clare Sullivan's medical specialty?
Dr. Clare Sullivan practices Nurse Practitioner in Littleton, CO.
Where does Dr. Clare Sullivan practice?
Dr. Clare Sullivan practices at 15 W Dry Creek Cir, Littleton, CO 801204427. Office phone: 3039521105.
What is Dr. Clare Sullivan's NPI?
Dr. Clare Sullivan's National Provider Identifier (NPI) is 1154878981, issued by NPPES.
What procedures does Dr. Clare Sullivan 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). Source: CMS Medicare Physician & Other Practitioners file.