Doctor profile · Federal record

Dr. John Hellstein, DDS

Oral and Maxillofacial Pathology Dentist (CMS: Oral Surgery) · Iowa City, IA

  • NPI 1396837050
  • Accepts Medicare
  • 44 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
386 Dental Science Bldg S
Iowa City, IA 522421001
(319) 335-9656
fax (319) 335-7351
Mailing address
322 Dental Science Bldg S
Iowa City, IA 522421001

Credentials & registration

NPPES · NUCC
NPI registered
September 2006 — 20 yrs on file
Profile last updated
December 16, 2016
Year of graduation
1982 — 44 yrs since
Specialty taxonomy
1223P0106X — NUCC code
State license (1)
Iowa #40069
Medicaid
IA #0279711

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1396837050. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
356
Distinct HCPCS
5
Medicare allowed
$30,285
HCPCS Description Services Patients Avg allowed
88305 Pathology examination of tissue using a microscope, intermediate complexity 199 184 $66
99214 Established patient office or other outpatient visit, 30-39 minutes 111 83 $119
99203 New patient office or other outpatient visit, 30-44 minutes 21 21 $103
88304 Pathology examination of tissue using a microscope, moderately low complexity 13 13 $39
88312 Special stained specimen slides to identify organisms including interpretation and report 12 12 $103

In context: peer comparison

Among 3 peers in Iowa City Oral and Maxillofacial Pathology Dentist, average services per provider: 73. This provider delivers 4.9× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
547
Patients
134
Total drug cost
$19,227
Drug Type Claims Patients Total cost
Dexamethasone Generic 158 49 $5,631
Clonazepam Generic 94 17 $4,747
Clobetasol Propionate Generic 51 26 $897
Cyclobenzaprine Hcl Generic 40 0 $151
Clotrimazole Generic 37 15 $1,492
Chlorhexidine Gluconate Generic 33 15 $185
Minocycline Hcl Generic 32 0 $925
Fluconazole Generic 31 12 $687
Prednisone Generic 25 0 $214
Pilocarpine Hcl Generic 23 0 $3,888

Frequently asked questions

Auto-generated from federal data
What is Dr. John Hellstein's medical specialty?
Dr. John Hellstein practices Oral and Maxillofacial Pathology Dentist in Iowa City, IA.
Where does Dr. John Hellstein practice?
Dr. John Hellstein practices at 386 Dental Science Bldg S, Iowa City, IA 522421001. Office phone: 3193359656.
What is Dr. John Hellstein's NPI?
Dr. John Hellstein's National Provider Identifier (NPI) is 1396837050, issued by NPPES.
Does Dr. John Hellstein accept Medicare assignment?
Yes. Dr. John Hellstein accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. John Hellstein commonly perform?
Top Medicare-reported procedures in 2023: Pathology examination of tissue using a microscope, intermediate complexity (HCPCS 88305); Established patient office or other outpatient visit (HCPCS 99214); New patient office or other outpatient visit (HCPCS 99203). Source: CMS Medicare Physician & Other Practitioners file.