Doctor profile · Federal record

Dr. Rhianon Groom, M.D.

Psychiatry Physician (CMS: Psychiatry) · Middleton, WI

  • NPI 1871724302
  • Accepts Medicare
  • 17 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

Operates at 3 locations .

NPPES Updated May 11, 2026
Primary practice
8333 Greenway Blvd
Middleton, WI 535623684
(630) 974-6602
fax (630) 487-2411
Additional location
1900 South Ave
La Crosse, WI 546015467
(608) 775-2287
Additional location
2448 S 102Nd St Ste 180
West Allis, WI 532272150
Mailing address
1100 Jorie Blvd Ste 300
Oak Brook, IL 605232219

Credentials & registration

NPPES · NUCC
NPI registered
July 2009 — 17 yrs on file
Profile last updated
November 22, 2024
Year of graduation
2009 — 17 yrs since
Specialty taxonomy
2084P0800X — NUCC code
State license (1)
Wisconsin #72280

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1871724302. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
74
Distinct HCPCS
2
Medicare allowed
$4,535
HCPCS Description Services Patients Avg allowed
99231 Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 37 12 $47
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 37 11 $76

In context: peer comparison

Among 2 peers in Middleton Psychiatry Physician, average services per provider: 31. This provider delivers 2.4× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. Rhianon Groom's medical specialty?
Dr. Rhianon Groom practices Psychiatry Physician in Middleton, WI.
Where does Dr. Rhianon Groom practice?
Dr. Rhianon Groom practices at 8333 Greenway Blvd, Middleton, WI 535623684. Office phone: 6309746602.
What is Dr. Rhianon Groom's NPI?
Dr. Rhianon Groom's National Provider Identifier (NPI) is 1871724302, issued by NPPES.
Does Dr. Rhianon Groom accept Medicare assignment?
Yes. Dr. Rhianon Groom accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Rhianon Groom commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with straightforward or low level of medical decision making (HCPCS 99231); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232). Source: CMS Medicare Physician & Other Practitioners file.