Doctor profile · Federal record

Dr. Mary Ann Stockwell, RN,LMSW

Clinical Social Worker · Washington, MI

  • NPI 1639566920
  • Accepts Medicare
  • 32 yrs in practice
  • Female
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
6303 26 Mile RD, Ste 120
Washington, MI 480943825
(586) 604-1339

Credentials & registration

NPPES · NUCC
NPI registered
April 2015 — 11 yrs on file
Profile last updated
April 29, 2015
Year of graduation
1994 — 32 yrs since
Specialty taxonomy
1041C0700X — NUCC code
State license (1)
Michigan #6801068321

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1639566920. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
269
Distinct HCPCS
2
Medicare allowed
$29,830
HCPCS Description Services Patients Avg allowed
90837 Psychotherapy, 1 hour 254 21 $110
90791 Psychiatric diagnostic evaluation 15 15 $131

In context: peer comparison

Among 1 peers in Washington Clinical Social Worker, average services per provider: 134. This provider delivers 2.0× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. Mary Ann Stockwell's medical specialty?
Dr. Mary Ann Stockwell practices Clinical Social Worker in Washington, MI.
Where does Dr. Mary Ann Stockwell practice?
Dr. Mary Ann Stockwell practices at 6303 26 Mile RD, Washington, MI 480943825. Office phone: 5866041339.
What is Dr. Mary Ann Stockwell's NPI?
Dr. Mary Ann Stockwell's National Provider Identifier (NPI) is 1639566920, issued by NPPES.
Does Dr. Mary Ann Stockwell accept Medicare assignment?
Yes. Dr. Mary Ann Stockwell accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Mary Ann Stockwell commonly perform?
Top Medicare-reported procedures in 2023: Psychotherapy (HCPCS 90837); Psychiatric diagnostic evaluation (HCPCS 90791). Source: CMS Medicare Physician & Other Practitioners file.