Doctor profile · Federal record

Dr. Michelle Riba, MD

Psychiatry Physician (CMS: Psychiatry) · Ann Arbor, MI

  • NPI 1275605107
  • Accepts Medicare
  • 41 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1500 E Medical Center Dr
Ann Arbor, MI 481095000
(734) 936-4000
Mailing address
3621 S State St
Ann Arbor, MI 481081633

Credentials & registration

NPPES · NUCC
NPI registered
November 2006 — 20 yrs on file
Profile last updated
December 14, 2020
Year of graduation
1985 — 41 yrs since
Specialty taxonomy
2084P0800X — NUCC code
State license (1)
Michigan #4301062458
Medicaid
MI #3049551

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1275605107. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
36
Distinct HCPCS
1
Medicare allowed
$3,482
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 36 31 $97

In context: peer comparison

Among 31 peers in Ann Arbor Psychiatry Physician, average services per provider: 82. This provider delivers 0.4× the peer median.

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Michelle Riba's medical specialty?
Dr. Michelle Riba practices Psychiatry Physician in Ann Arbor, MI.
Where does Dr. Michelle Riba practice?
Dr. Michelle Riba practices at 1500 E Medical Center Dr, Ann Arbor, MI 481095000. Office phone: 7349364000.
What is Dr. Michelle Riba's NPI?
Dr. Michelle Riba's National Provider Identifier (NPI) is 1275605107, issued by NPPES.
Does Dr. Michelle Riba accept Medicare assignment?
Yes. Dr. Michelle Riba accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Michelle Riba commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.