Doctor profile · Federal record

Dr. Angela Grandbois, P.A.

Physician Assistant · Royal Oak, MI

  • NPI 1255510038
  • Accepts Medicare
  • MIPS 78.1 / 100 · 2023
  • 19 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
3601 W 13 Mile RD
Royal Oak, MI 480736712
(248) 423-3144
Mailing address
26901 Beaumont Blvd Ste 3D
Southfield, MI 480333849

Credentials & registration

NPPES · NUCC
NPI registered
October 2007 — 19 yrs on file
Profile last updated
July 25, 2022
Year of graduation
2007 — 19 yrs since
Specialty taxonomy
363A00000X — NUCC code
State license (1)
Michigan #5601005137

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1255510038. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
220
Distinct HCPCS
3
Medicare allowed
$18,399
HCPCS Description Services Patients Avg allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 130 126 $69
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 79 77 $104
99284 Emergency department visit with moderate level of medical decision making 11 11 $108

In context: peer comparison

Among 38 peers in Royal Oak Physician Assistant, average services per provider: 48. This provider delivers 4.6× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. Angela Grandbois's medical specialty?
Dr. Angela Grandbois practices Physician Assistant in Royal Oak, MI.
Where does Dr. Angela Grandbois practice?
Dr. Angela Grandbois practices at 3601 W 13 Mile RD, Royal Oak, MI 480736712. Office phone: 2484233144.
What is Dr. Angela Grandbois's NPI?
Dr. Angela Grandbois's National Provider Identifier (NPI) is 1255510038, issued by NPPES.
Does Dr. Angela Grandbois accept Medicare assignment?
Yes. Dr. Angela Grandbois accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Angela Grandbois 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); Emergency department visit with moderate level of medical decision making (HCPCS 99284). Source: CMS Medicare Physician & Other Practitioners file.