Doctor profile · Federal record

Dr. Mary Stone, MD

Dermatopathology Physician (CMS: Dermatology) · Dermatology Physician · Iowa City, IA

  • NPI 1194719401
  • Accepts Medicare
  • 45 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
200 Hawkins Dr
Iowa City, IA 522421009
(319) 356-2274
fax (319) 356-8317

Credentials & registration

NPPES · NUCC
NPI registered
September 2005 — 21 yrs on file
Profile last updated
December 19, 2007
Year of graduation
1981 — 45 yrs since
Specialty taxonomy
207ND0900X — NUCC code
State license (1)
Iowa #25448
Medicaid (2)
IA #0238055 · IA #1238055

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1194719401. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
3,991
Distinct HCPCS
10
Medicare allowed
$145,869
HCPCS Description Services Patients Avg allowed
88305 Pathology examination of tissue using a microscope, intermediate complexity 1,583 1,064 $35
88305 Pathology examination of tissue using a microscope, intermediate complexity 1,213 755 $35
17003 Destruction of precancer skin growth, 2-14 growths 291 61 $2
99213 Established patient office or other outpatient visit, 20-29 minutes 122 108 $61
88321 Surgical pathology consultation and report on referred slides prepared elsewhere 119 119 $90
17000 Destruction of precancer skin growth, 1 growth 97 78 $45
99214 Established patient office or other outpatient visit, 30-39 minutes 85 77 $91
88304 Pathology examination of tissue using a microscope, moderately low complexity 59 52 $10
88341 Special stained specimen slides to examine tissue, each additional procedure 56 24 $26
88342 Special stained specimen slides to examine tissue, initial procedure 45 44 $33

In context: peer comparison

Among 1 peers in Iowa City Dermatopathology Physician, average services per provider: 181. This provider delivers 22× the peer median.

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Mary Stone's medical specialty?
Dr. Mary Stone practices Dermatopathology Physician in Iowa City, IA.
Where does Dr. Mary Stone practice?
Dr. Mary Stone practices at 200 Hawkins Dr, Iowa City, IA 522421009. Office phone: 3193562274.
What is Dr. Mary Stone's NPI?
Dr. Mary Stone's National Provider Identifier (NPI) is 1194719401, issued by NPPES.
Does Dr. Mary Stone accept Medicare assignment?
Yes. Dr. Mary Stone accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Mary Stone commonly perform?
Top Medicare-reported procedures in 2023: Pathology examination of tissue using a microscope, intermediate complexity (HCPCS 88305); Pathology examination of tissue using a microscope, intermediate complexity (HCPCS 88305); Destruction of precancer skin growth, 2-14 growths (HCPCS 17003). Source: CMS Medicare Physician & Other Practitioners file.