Doctor profile · Federal record

Dr. Sean Wallis, NP

Nurse Practitioner · Boulder, CO

  • NPI 1356980205
  • Accepts Medicare
  • 7 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
4747 Arapahoe Ave
Boulder, CO 803031131
(303) 415-7000
Mailing address
8769 W Cornell Ave Apt 3
Lakewood, CO 802274820

Credentials & registration

NPPES · NUCC
NPI registered
December 2019 — 7 yrs on file
Profile last updated
December 19, 2023
Year of graduation
2019 — 7 yrs since
Specialty taxonomy
363L00000X — NUCC code
State license (1)
Colorado #APN.0995133-NP

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1356980205. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
759
Distinct HCPCS
6
Medicare allowed
$57,290
HCPCS Description Services Patients Avg allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 304 172 $68
99239 Hospital discharge day management, more than 30 minutes 164 159 $98
99231 Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 113 68 $42
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 101 79 $100
99238 Hospital discharge day management, 30 minutes or less 65 62 $69
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 12 12 $111

In context: peer comparison

Among 3 peers in this city , average services per provider: 387. This provider delivers 2.0× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
108
Patients
81
Total drug cost
$2,267
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 21 17 $137
Prednisone Generic 21 20 $63
Oxycodone Hcl Generic 18 18 $75
Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) Brand 14 14 $92
Amoxicillin-Clavulanate Potass (Amoxicillin/Potassium Clav) Brand 12 12 $112
Dexamethasone Generic 11 0 $62
Enoxaparin Sodium Generic 11 0 $1,727

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Sean Wallis's medical specialty?
Dr. Sean Wallis practices Nurse Practitioner in Boulder, CO.
Where does Dr. Sean Wallis practice?
Dr. Sean Wallis practices at 4747 Arapahoe Ave, Boulder, CO 803031131. Office phone: 3034157000.
What is Dr. Sean Wallis's NPI?
Dr. Sean Wallis's National Provider Identifier (NPI) is 1356980205, issued by NPPES.
Does Dr. Sean Wallis accept Medicare assignment?
Yes. Dr. Sean Wallis accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Sean Wallis commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Hospital discharge day management (HCPCS 99239); Subsequent hospital care with straightforward or low level of medical decision making (HCPCS 99231). Source: CMS Medicare Physician & Other Practitioners file.