Doctor profile · Federal record

Dr. Rebecca Allyn, MD

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

  • NPI 1386790962
  • Accepts Medicare
  • MIPS 86.1 / 100 · 2023
  • 22 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
777 Bannock St
Denver, CO 802044597
(303) 436-4949
fax (303) 602-5056

Credentials & registration

NPPES · NUCC
NPI registered
January 2007 — 19 yrs on file
Profile last updated
December 31, 2024
Year of graduation
2004 — 22 yrs since
Specialty taxonomy
208M00000X — NUCC code
State license (1)
Colorado #DR.0045615

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1386790962. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
147
Distinct HCPCS
5
Medicare allowed
$15,080
HCPCS Description Services Patients Avg allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 71 33 $80
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 37 14 $120
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 14 14 $175
99239 Hospital discharge day management, more than 30 minutes 13 13 $116
99238 Hospital discharge day management, 30 minutes or less 12 12 $82

In context: peer comparison

Among 64 peers in this city , average services per provider: 73. This provider delivers 2.0× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. Rebecca Allyn's medical specialty?
Dr. Rebecca Allyn practices Hospitalist Physician in Denver, CO.
Where does Dr. Rebecca Allyn practice?
Dr. Rebecca Allyn practices at 777 Bannock St, Denver, CO 802044597. Office phone: 3034364949.
What is Dr. Rebecca Allyn's NPI?
Dr. Rebecca Allyn's National Provider Identifier (NPI) is 1386790962, issued by NPPES.
Does Dr. Rebecca Allyn accept Medicare assignment?
Yes. Dr. Rebecca Allyn accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Rebecca Allyn commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); 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.