Doctor profile · Federal record

Dr. Rhianon Liu, MD

Hospice and Palliative Medicine (Family Medicine) Physician (CMS: Hospice/Palliative Care) · Family Medicine Physician · Family Medicine Physician · Integrative Medicine Physician · Portland, ME

  • NPI 1194064956
  • Accepts Medicare
  • MIPS 93.1 / 100 · 2023
  • 10 yrs in practice
  • Licensed in 2 states
  • Female
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
22 Bramhall St
Portland, ME 041023134
(207) 662-3500
Additional location
144 US Route 1 Ste 2
Scarborough, ME 040747219
(207) 396-7606
fax (207) 819-6802

Credentials & registration

NPPES · NUCC
NPI registered
February 2013 — 13 yrs on file
Profile last updated
March 24, 2025
Year of graduation
2016 — 10 yrs since
Specialty taxonomy
207QH0002X — NUCC code
State licenses (2)
Maine #MD25934 · California #1171153

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1194064956. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
134
Distinct HCPCS
4
Medicare allowed
$13,296
HCPCS Description Services Patients Avg allowed
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 42 41 $168
G0316 Prolonged hospital inpatient or observation care evaluation and management service(s) beyond the total time for the primary service (when the primary service has been selected using time on the date of the primary service); each additional 15 minutes by th 39 19 $30
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 27 17 $77
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 26 21 $115

In context: peer comparison

Among 3 peers in Portland Hospice and Palliative Medicine (Family Medicine) Physician, average services per provider: 72. This provider delivers 1.9× the peer median.

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Rhianon Liu's medical specialty?
Dr. Rhianon Liu practices Hospice and Palliative Medicine (Family Medicine) Physician in Portland, ME.
Where does Dr. Rhianon Liu practice?
Dr. Rhianon Liu practices at 22 Bramhall St, Portland, ME 041023134. Office phone: 2076623500.
What is Dr. Rhianon Liu's NPI?
Dr. Rhianon Liu's National Provider Identifier (NPI) is 1194064956, issued by NPPES.
Does Dr. Rhianon Liu accept Medicare assignment?
Yes. Dr. Rhianon Liu accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Rhianon Liu commonly perform?
Top Medicare-reported procedures in 2023: Initial hospital care with moderate level of medical decision making (HCPCS 99223); Prolonged hospital inpatient or observation care evaluation and management service(s) beyond the total time for the primary service (when the primary service has been selected using time on the date of the primary service); each additional 15 minutes by th (HCPCS G0316); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232). Source: CMS Medicare Physician & Other Practitioners file.