Doctor profile · Federal record

Dr. William Mansfield, M.D.

Anesthesiology Physician (CMS: Anesthesiology) · Royal Oak, MI

  • NPI 1750323622
  • MIPS 82.4 / 100 · 2023
  • 26 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
3601 W 13 Mile RD
Royal Oak, MI 480736712
(248) 898-1905
fax (248) 898-1032
Mailing address
1631 W Big Beaver RD
Troy, MI 480843501

Credentials & registration

NPPES · NUCC
NPI registered
June 2006 — 20 yrs on file
Profile last updated
August 17, 2007
Year of graduation
2000 — 26 yrs since
Specialty taxonomy
207L00000X — NUCC code
State license (1)
Michigan #4301083496

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1750323622. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
148
Distinct HCPCS
5
Medicare allowed
$9,272
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 74 71 $49
00731 Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope 33 33 $68
00811 Anesthesia for other procedure on large bowel using an endoscope 15 15 $68
01922 Anesthesia for x-ray or radiation therapy 15 15 $110
00910 Anesthesia for other procedure on urinary system through urethra 11 11 $62

In context: peer comparison

Among 25 peers in Royal Oak Anesthesiology Physician, average services per provider: 28. This provider delivers 5.3× the peer median.

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. William Mansfield's medical specialty?
Dr. William Mansfield practices Anesthesiology Physician in Royal Oak, MI.
Where does Dr. William Mansfield practice?
Dr. William Mansfield practices at 3601 W 13 Mile RD, Royal Oak, MI 480736712. Office phone: 2488981905.
What is Dr. William Mansfield's NPI?
Dr. William Mansfield's National Provider Identifier (NPI) is 1750323622, issued by NPPES.
Does Dr. William Mansfield accept Medicare assignment?
Dr. William Mansfield does not accept Medicare assignment for all services. Patients may be billed amounts beyond Medicare-allowed charges.
What procedures does Dr. William Mansfield commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with straightforward or low level of medical decision making (HCPCS 99231); Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope (HCPCS 00731); Anesthesia for other procedure on large bowel using an endoscope (HCPCS 00811). Source: CMS Medicare Physician & Other Practitioners file.