Doctor profile · Federal record

Dr. Aislinn Williams, M.D., PH.D.

Psychiatry Physician (CMS: Psychiatry) · Psychiatry Physician · Iowa City, IA

  • NPI 1235440249
  • Accepts Medicare
  • 16 yrs in practice
  • Licensed in 2 states
  • Female
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
200 Hawkins Dr
Iowa City, IA 522421009
(319) 335-2434
Additional location
4250 Plymouth RD
Ann Arbor, MI 481092700
(734) 764-6443

Credentials & registration

NPPES · NUCC
NPI registered
June 2010 — 16 yrs on file
Profile last updated
March 17, 2018
Year of graduation
2010 — 16 yrs since
Specialty taxonomy
2084P0800X — NUCC code
State licenses (2)
Iowa #MD-44579 · Michigan #4301096430

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1235440249. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
165
Distinct HCPCS
2
Medicare allowed
$11,095
HCPCS Description Services Patients Avg allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 125 32 $74
99231 Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 40 14 $46

In context: peer comparison

Among 19 peers in Iowa City Psychiatry Physician, average services per provider: 81. This provider delivers 2.0× the peer median.

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Aislinn Williams's medical specialty?
Dr. Aislinn Williams practices Psychiatry Physician in Iowa City, IA.
Where does Dr. Aislinn Williams practice?
Dr. Aislinn Williams practices at 200 Hawkins Dr, Iowa City, IA 522421009. Office phone: 3193352434.
What is Dr. Aislinn Williams's NPI?
Dr. Aislinn Williams's National Provider Identifier (NPI) is 1235440249, issued by NPPES.
Does Dr. Aislinn Williams accept Medicare assignment?
Yes. Dr. Aislinn Williams accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Aislinn Williams commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Subsequent hospital care with straightforward or low level of medical decision making (HCPCS 99231). Source: CMS Medicare Physician & Other Practitioners file.